Job Summary

The role reports to the Head of Quality and is supported by a Senior Quality Technician on the documentation.

The successful candidate will be responsible for maintaining the Document Control System, and Quality System Audit Program.

Responsibilities

System Audit (Internal/Certification Body/Customer/Regulatory) Management

• Lead and coordinate internal quality management system (QMS) audit, and internal environmental management system (EMS) audit
• Prepare and coordinate for successful external audits from certification body, customer and regulatory factory inspections
• Report to management on the NC findings, and coordinate the Root Cause and CAPA for timely closure
• Arrange for awareness training on relevant Quality Management System topics

System Maintenance and Improvements

• Maintain document control systems, to comply with ISO1348, ISO9001 and ISO14001 standards, regulatory and customer requirements
• Ensure that document owners keep their documents up-to-date, accurate and easily accessible to employees who need them
• Ensure that record owners retain their records, complying with applicable requirements
• Support mapping of business process flow-chart, and assist document owners in creating their documents
• Drive continuous improvements related to QMS and EMS, e.g. ESD Control compliance, Recycling rate improvement, e-Document Management improvement, e-Global Asset Management System (Calibration, Preventive Maintenance, etc) improvement

Requirements

• Working experience in the manufacturing industry (Electronics/Mechanical/Bio-Medical/Mechatronics), Life Science Instruments, and PCBA
• Experience in supervision and a demonstrated track record in effectively leading team
• Knowledge in Quality Standard: ISO13485, ISO9001, ISO14001, and FDA 21 CFR part 820
• Familiar with Regulatory Requirements: RoHS, REACH, UL/ETL Product Safety labeling
• Proficient in planning, executing, and leading Internal Quality Audits
• Strong communication and coordination skills to facilitate External Quality Audits
• Proficient in utilizing software tools such as Visio and Excel to map business process flowcharts
• Skilled in delivering presentations to management regarding Quality Audit outcomes and status

• Monitor and identify clients and maintain client base through efficient interactions with clients and analyze any changes in clients needs.
• Coordinate with prospects to understand individual client requirement and recommend plans to ensure achievement of all objectives.
• Develop strategies and plans and recommend specific products to clients.
• Maintain frequent communication and follow-up with clients.
• Build positive and long-term client relationships for business growth
• Evaluate prospect requirements of clients and determine qualified leads through efficient networking and cold calling.
• Mange all communication and provide excellent after service support.
• Administer all clients’ queries on financial issues, manage and redirect perspectives.
• Assist in service and sales process and provide training to sales personnel.
• Analyze all information to develop strategies and ensure achievement of all financial objectives for client.
• Develop strategies to promote solutions and products that the company offers.

Requirements:

• Possesses a Diploma or Degree in any fields;
• Excellent leadership skills
• Critical thinker and problem solver
• Great communication and presentation skills
• Customer service oriented
• Good interpersonal skills

Job Responsibilities

• Responsible for all on-site technical and engineering related matters

• Ensuring works carried out to meet company's quality standards & contractual requirements

• Involved in project planning, monitoring project progress and schedule

• To coordinate and liaise with the clients and main-contractor

• Assisting with monthly progress claims and monthly progress reports

Job Requirements

• Degree in Civil or Structural Engineering from a distinguished University

• At least 5 years job experience

About the Job

New Life’s VM Team plays a vital role in building up the capability of the organisation’s ability to network, engage and retain its volunteers.

As a Volunteer Management Executive, you are a vital co-labourer and co-creator in the Team’s effort in creating a volunteer friendly culture within New Life where fulfilled volunteers are fulfilling needs.

Responsibilities

- Participate in Conceptualise, Plan and Develop strategies to build deep friendships with partners and foster collaborative relationships with internal and external stakeholders.

- Design and implement volunteer management systems and processes to network, match and engage volunteers.

- Manage the roll out of volunteer training programmes to strengthen capability, support aspirational and motivational needs, and create buy-in.

- Work closely with departments to coordinate volunteer contributions on both department and organisation-wide levels.

- Effectively handle communications with volunteers and internal departments on various platforms to optimise engagement and coordination.

Requirements

- Diploma, Degree or equivalent in any discipline

- Proficiency with Microsoft Office Suite with basic IT knowledge and skills

- Able to work outside office hours on occasion, willing to move about the island and possess the resilience to handle challenges.

- Attention to detail and accuracy

- Resourceful and innovative while being able to see big-picture.

- Ability to build good working relationships with stakeholders, collaborating at all level

- Understanding of Social Service or non-profit Sector will be an advantage

We are looking for a detail-oriented and driven director of business development to increase company revenue by identifying profitable business opportunities and developing long-term business growth strategies. The responsibilities of the director of business development include recommending ways to improve operations planning, attending meetings with clients and advisors, and notifying partners of key business developments. You should also be able to assess business risks by analyzing financial, statistical, and economic data.

To be successful as a director of business development, you should be persuasive and have strong business acumen. Ultimately, an exceptional director of business development should be adept at negotiating sound business deals as well as demonstrate excellent communication, leadership, and problem-solving skills.

Director of Business Development Responsibilities:

• Building solid relationships with clients, overseas agent and supply chain, as well as sales and marketing teams.
• Developing in-depth knowledge of company offerings to identify profitable business opportunities.
• Directing marketing efforts by presenting market research to marketing directors and suggesting strategies to expand market research.
• Assessing marketing and sales as well as overseas agent supply and overseas agent operations and recommending improvements as needed.
• Preparing all documentation required for requests for proposals (RFPs).
• Researching emerging trends and recommending new company offerings to satisfy customers’ needs.
• Developing and managing strategic partnerships to grow business.
• Presenting business or marketing opportunities to company executives and management.
• Selecting automation software and software platforms that best meet company needs.

Director of Business Development Requirements:

• Master degree or equivalent.
• At least 10 years’ senior management position.
• Proven business development, sales, or marketing experience.
• Proficient in all Microsoft Office applications.
• Must proficient in Chinese written and communications.
• Excellent analytical, problem-solving, and decision-making skills.
• Exceptional leadership and management skills.
• Effective communication and negotiation skills.
• Strong business acumen.
• Detail-oriented and persuasive.

Responsibilities

• Assist the Project Manager in supervision at the workshop & project site.
• Liaise with client's representatives with regards to all site matters with proper documentation.
• Coordinate with workshop and subcontractors with the delivery of products and installation works.
• Attend site meeting if required.
• Ensure that staff and subcontractors carry out their work in a safe manner.
• Responsible for monitoring the daily process and progress at the project site.
• Carry out inspection of purchased materials delivered to the project site.
• Conduct project site inspection on a regular basis.
• Supervise the general workers with regards to the installations and constructions.
• Identify and records quality control problems during production or site work.
• Responsible for determining the cause of the quality problem and initiate corrective action.
• Carry out defect liability servicing of completed projects and maintain records of such servicing.
• Responsible for providing information for shipping documents and compounding packing list.
• Perform any other ad hoc duties as assigned by Superior.

Requirements

• Interior Design/Carpentry knowledge & experience in construction/furniture industry will be an added advantage.
• ITE NTC cert or 'O' level and above.
• Willing and able to travel overseas for project supervision

Responsibilities

• Implement and provide directions in project planning, coordinate works, liaise with clients and consultants, ensures overall progresses based on schedules.
• Effectively communicate project expectations to team members and stakeholders in a timely and clear fashion.
• Coordinate with the drafting department with regards to the preparation/ submission/ approval of shop and as-built drawings.
• Liaise with client's representatives with regards to all site matters, attend site meeting if required.
• Delegate tasks and responsibilities to appropriate personnel.
• Recognize and solve potential problems and evaluate project/program effectiveness.
• Develop best practices and tools for project execution and management.

Requirements

• Min. 5 years façade project management experience required.
• Willing and able to travel overseas frequently for project coordination.
• Able to identify specialist drawing/architectural/MEP/Structural termination details.
• Good knowledge of Autocad, Inventor or Revit software will be an advantage.

Job ID: 19195

RESPONSIBILITIES

• Business Partnering with Commodity and BU Finance teams; supporting these teams with data, analysis, metrics and process creation/improvements
• Measure and track monthly Cost Savings vs target; and work closely with key stakeholders to identify opportunities to bridge such gaps
• Prepare monthly actuals and forecast on Direct and Indirect Spend; and variance analysis to actual
• Support month end activities such as Purchase Price Variance
• Support Cost Centre Controlling; including template roll-overs; forecasting and budgeting process
• Support and drive ad-hoc projects; including analysing supplier pricing variances; geographical spend profile and indirect expenses such as IT etc. to identify opportunities for cost savings
• Support in the implementation of new business improvement activities; including low cost sourcing, dual cost sourcing and landed cost analyses to drive cost reductions
• Ability to handle large data sets (>35,000 parts) and assist in reporting improvements by leveraging on IT systems

EXPERIENCE

• Knowledge in Spend and Cost Savings management reporting; understanding of procurement and supply chain operations preferred
• Knowledge of accounting principles and best practices of cost accounting
• Familiar with financial forecasting and budgeting
• Previous experience with fully integrated SAP, ERP systems
• Advanced user on data visualization tools such as Power BI, Excel and Powerpoint
• Ability to interact and influence other functional teams across the organisation
• Good communication and presentation skills
• Experience working in a MNC

EDUCATION

• Minimum Bachelor's Degree in Accounting or Finance
• Minimum 3 years of relevant experience in semiconductor, manufacturing OR similar high technology manufacturing environment.
• CPA Certification

Job ID: 19195

Responsibilities :

• project co-ordination
• fabric selection
• ordering and tracking of materials
• scheduling of fabrication, installation, maintenance works
• preparation of quotations
• liaising with designers and suppliers

The applicant should have the following :

• a diploma level education with minimum 2 years working experience
• be proficient in the use of AutoCad and Microsoft Excel
• measurement and quantity surveying skills will be an asset
• have a good eye for design and fabrics

Role and Responsibilities:

• Handling on-site technical/ engineering matters and authority submission,
• Oversee the project, planning & ensure work is carried out according to master program
• Lead in Site Coordination and execution relating to the construction project.
• Planning of micro scheduling with other trades/disciplines against Master program
• Risk management - identification, evaluation, and prioritization of risks followed by coordinated and economical application of resources to minimize, monitor, and control the probability
• To update progress timely to manager/management
• Supervise and monitor projects are carried out in accordance with the company’s operating procedures, quality standards & contractual specifications.
• To manage the construction process & attend site meeting, cover site activities and documents
• Ensuring supervisors & foremen meet clients’ regulatory work requirements.
• Obtain building permits, licenses and meet code regulations
• To check and ensure compliance with TOP checklist
• Responsible for all inspection activities being carried out.
• Ensuring environmental, safety, and health practices are carried out at all times
• Site inspections and coordination
• Maintain health and safety standards
• Other duties as assigned by the company from time to time
• Foster a collaborative and productive work environment.

Requirement:

• Degree or higher qualifications in Civil Engineering, Building Management, or Construction Management.
• At least 2 years of on-site management experience is required, and can independently manage the construction site
• Proven track record in Project Engineering in construction industry.
• Good communication skills, and leadership.
• Able to multitask, process of problem solving skill

Role and Responsibilities:

· Define Project Scope, develop comprehensive project plan, managing schedule, monitor and track the progress, to ensure safe and timely delivery and completion of development works.

· Overseeing all aspects of construction projects, from initiation to completion

· Reviewing in collaboration with the Client and Project Team, the adequacy of the development plan

· Present management reports pertaining to progress of projects, personnel performance and problems encountered and appropriate and effective solutions

· Monitoring all necessary applications for planning and building approvals with government bodies

· Risk management - identification, evaluation, and prioritization of risks followed by coordinated and economical application of resources to minimize, monitor, and control the probability

· Lead project teams, manage resources, ensure compliance with regulations, and communicate effectively with stakeholders to achieve project goals within established timelines and budgets.

· Manage resources such as construction materials, construction workers and equipment

· Oversee the performance of the general contractor, site manager and other members of the construction team

· Obtain building permits, licenses and meet code regulations

· Maintain health and safety standards

· Cover site activities and documents, and timely report to management

· Other duties as assign by the company from time to time

Requirement:

· Degree or higher qualifications in Civil Engineering, Building Management, or Construction Management.

· At least 5 years of on-site management experience is required, and can independently manage the construction site.

· Proven track record in Project management in construction industry.

· Good communication skills, leadership, customer orientated.

· With problem solving skill and able to multitask

· Proficient with Microsoft Office / AutoCAD (View)

RESPONSIBILITY AND JOB DESCRIPTION:

1) Work closely with Sales Manager

2) In charge of coordinating and liaising all site works (own work + subcons/vendors)

3) Monitor project progress and handle any issues that arise; update to PM

4) Ensure all works on site proceed smoothly and according to schedule

SKILLS AND EXPERIENCE REQUIRED:

1) Responsible and accountable

2) Adaptive and quick to handle challenges on site

3) Able to multi-task and manage several things at one time

4) Able to handle stress/pressure and work hard with tight deadlines

5) Experience using computers for a variety of tasks (e.g emails)

6) Preferable skillful with Autocad

KSK Design and build Pte Ltd is a renovation company providing full end to end interior design and renovation services for both residential and commercial customers.

We are having our own in-house aluminium and glass fabrication services for window, doors, skylight, trellis, staircases, etc.

Construction industry

a) Looking for experience project executive or project manager to handle daily on site tools-box meetings together with main contractors.

b) Liaising with sub-contractors to come out with project schedule and work within the desire project timeframe for each project.

c) He / she must be able to work independently with mininium supervision.

d) Having experiences in AutoCAD drawing and 3D rendering drawing experiences are prefer.

e) Able to work under pressure without compromising on the agreed projects completion time schedule.

· Position: Project Coordinator

· Location: Woodlands

· Working hours: Monday to Saturday (8am - 5pm)

· Salary (commensurate with experience): Up to $3,500 + AWS + Performance Bonus (1-3 Months) + Transport Allowance + 14 Days Annual Leave

· Duration: Permanent

· Industry: Contractor

Main Responsibilities:

· Attend to main-con request and site meetings

· Lead and manage workers

· To coordinate with site work and site progress

· Resolve issues encountered on work site

· Any other ad-hoc duties assigned

Requirements:

· At least 2 years of working experience with in the related field is required for this position

· Knowledge of Microsoft Office, Words, Project , Auto CAD etc

· Project management skills with experience handling multiple deadlines and schedules autonomously.

· Require Class 3 Driving License

Email to: [email protected]for more information.

Do visit www.facebook.com/search.personnel for more job listings.

***We do not charge our candidates any referral fee nor bind them with any contract.***

Abby Pang

Associate Consulting Director (APAC)

Reg no.: R2093867

EA No: 13C6684

Job Responsibilities

-Responsible for reviewing of lease documents, contracts, and tenancy schedule prepared by the team.

-Collate and prepare monthly management reports for submission.

-Responsible for audit checks on leases and tenants, arrears management, tenant and other related lease management functions.

-Oversee arrears management process to ensure arrears ratio is low, prepare arrears report on a regular interval and present the recovery plan for delinquent cases.

-Supervise the team in the tracking security deposit, monitor submission of gross sales turnover reports and audited sales reports by tenants and adjustment of audited sales.

-Ensure accurate and timely submission of gross sales turnover reports and detailed analysis of rental, gross sales turnover and occupancy cost.

-Develop and maintain cordial relationships with tenants and attend to all feedbacks/requests promptly.

-Coordinate and liaise with both internal and external parties

-Perform any ad hoc duties as assigned by leasing manager and management

Requirements

- A positive work attitude and willingness to learn

- Good interpersonal and communication skills

- Self-driven and highly-motivated

- Able to work under pressure and in a fast-paced environment

- Have initiative, independent and well-organised

- Enjoy communicating with people

As a role that focuses on completing a project as efficiently and promptly as possible, expect to see any of the following duties and responsibilities in a Project Manager job description:

• Leading project planning sessions
• Coordinating staff and internal resources
• Managing project progress and adapt work as required
• Ensuring projects meet deadlines
• Managing relationships with clients and stakeholders
• Designing and signing off on contracts
• Overseeing all incoming and outgoing project documentation
• Participating in tender process i.e. design, submission and review
• Designing risk mitigation plan
• Conducting project review and creating detailed reports for executive staff
• Optimising and improving processes and the overall approach where necessary
• Securing growth opportunities and initiating new projects
• Managing large and diverse teams

Project Manager job qualifications and requirements

A great Project Manager usually has five or more years’ experience, and one or several formal qualifications. A Project Manager job description could include degrees in any of the following fields:

• Engineering
• IT or Computer Science
• Business or Business Administration
• Management

Additionally, Project Managers should possess high levels of the below skills to perform well in the role:

• Written and verbal communication skills
• Capacity to manage high stress situations
• Ability to multi-task and manage various project elements simultaneously
• Leadership skills
• Big-picture thinking and vision
• Attention to detail
• Conflict resolution skills

Job Description

• Plans and controls the execution of the project. Prepares the manpower, machinery and materials requirement on site. To confirm the duration of each critical activity and construction programme.
• Regulates current activities with regards to work methods, technical solutions, resources input and other operational details.
• Delegate duties to respective site personnel such as Foreman, Project Engineers, Safety Officer, Quantity Surveyor and Site Clerk.
• Co-ordinates matters pertaining to site progress. Manpower and machinery utilisation, mobilisation schedule, certification of payment, site disputes, planning of site facilities and workers quarters etc.
• Communicates and maintains public relation with relevant parties and local authorities.
• Prepare and compile site progress reports for progress claims and monitoring project activities.
• To verify work done by subcontractors.
• To carry out other site works job duties as instructed.

Requirements

• Candidate to possess Bachelor’s Degree in Civil Engineering and relevant certificates.
• At least 3 years of working experience in the construction field.
• Preferably with Class 3 Driving licence.
• Good interpersonal and communication skills. Leadership, problem-solving and multi-tasking skills.

Job Responsibilities

• To supervise Drivers, Operators, General workers and maintenance of equipment at site.
• Assist and support Project Manager in handling and monitoring smooth progress of project.
• To ensure and carried out site work in accordance to construction programme safetly.
• Must be familiar with all roads, drainage, sewers and all other infrastructure construction.
• To carry out all site works issues and ad-hoc duties when instructed.

Requirements

• Candidate must possess Bachelor’s degree in Civil Engineering (RE Recognised)
• Candidate to possess relevant certificates and Building Construction Supervisors Safety Course Certificate (BCSS)
• At least 3 years of working experience in the related field
• Preferably with Class 3 Driving Licence
• Good communication, self-initiative and interpersonal skills

Job Description

· Generate daily operation plan

· Monitor and drive weekly operation planning forecast

· Schedule and deploy assessors for job assignment 1 to 3 months ahead

· Collaborate with Project & Operations team on identifying and resolving real-time constraints.

· Work closely with Project team to ensure 100% customer fulfilment.

· Coordination with Project team for any ad-hoc job assignments

· Flow job assignment details to Project Manager & General Manager in timely manner

· Optimize monthly utilization rate for Project Manager & General Manager

· Complete weekly and/or monthly reports to Project Manager & General Manager

Requirements:

· Able to work independently and handle dynamic scheduling

· Ability to multi-task and manage sudden changes in priorities.

· Logical approach to problem-solving, inventive, and results-oriented, with high attention to detail.

· Strong planning, organizational and time management skills.

· Ability to handle customer and vendor requests via telephone, email, web.

· Proficiency in Microsoft Office and SAP.

· Knowledge of planning and administrative tools is preferable.

· Excellent communication skills – verbal, written & listening.

· Proven fluency in English (verbal & written).

Others:

· 5 Working days per week

· 9am – 6pm

Co-ordinate with Main Contractor / Consultants / Subcontractors on site

Conducts project site inspection on a regular basis

Report Progress claims and monitoring project activities

Monitoring daily process and progress at Project sites

Project planning, execute resource management and control

Attend site meeting

• Early involvement with Business Development and Toolroom team on Early Product Review

• Participate in DFM of new project development.

• Perform Tool buy-off testing and ensure that tool conform to targeted yield, cycle time and quality for smooth mass production run as well as tool function reliability.

• Define process to achieve optimal cycle time, yield and quality for all new products assigned.

• Provide support for manufacturing/molding site to ensure FIM process meets requirement of quality level.

• Ensure smooth transfer of new product to Site PE via tool transfer, setup and troubleshooting to manufacturing site.

• Take reasonable care of workplace health and safety, abide by all EHS policies and procedures

Requirements:

• Diploma/ Degree in Mechanical/Electronic Engineering

• Min 5 years of relevant experience. Candidates with more years of experiences will be considered for Project Manager.

• Knowledge and hands on experience in Engineering & Production process automation. Knowledge/experience in Plastic injection molding a plus.

• Knowledge in IATF16949 awareness is an added advantage

• Independent, good initiative and able to multi-task in fast paced environment

• Office: Joo Koon/Boon Lay | Mon – Fri (8:30am to 5:45pm)

• Monthly salary x 13 + Variable Bonus. Monthly salary will commensurate according to experiences

• Candidates who can start on short notice preferred

We invite interested and qualified candidates to send in your updated resume (MS Word Format), stating your reasons for leaving each employment, your current and expected salary to [email protected] and cc [email protected]. Please indicate the position you are applying in your email subject. Your interest will be treated with strict confidentiality,

We regret to inform that only shortlisted candidates will be notified

EA License: 90C3627

EA Reg No: R1108020

Responsibilities:

• Responsible for payroll administration covering the full spectrum of payroll for staff
• Manage all statutory submissions, payments and processing of government claims e.g. annual tax filings, IR21, IR8A, NS Reservist claims, CDCA claims etc
• Administer and process workmen compensation claims with insurance broker
• Administer E-leave and E-attendance system
• Provide payroll related information for internal and external audits
• Administer the benefits and compensation scheme which include various incentive schemes, annual increment exercise, progressive bonus and staff welfare
• Prepare costing and salary vs sales report
• Ensure compliance to statutory requirements, government legislation and group policies and standards
• Manage end-to-end employee experience from Onboarding of new hires to Offboarding and exit interviews
• Administer work pass application, renewal, cancellation, exemption and etc.
• Plan and organize employee engagement activities like team bonding, educational and well-being talks, etc. to build a positive and growth-oriented company culture.
• Assist in day-to-day employee related issues
• Any other ad-hoc duties as and when assigned by superior

Requirements:

• Minimum a GCE O level
• Minimum 2 years of experience in HR role
• Good knowledge in MOM legislation
• Experience in TimesPay software, E-leave and E-attendance System will be an added advantage
• Able to meet tight deadline especially during payroll processing period
• Able to work independently and as a team
• Entry level candidates with HR qualification are welcome to apply

JOB DESCRIPTION

- Assist the Head of Sales to formulate and implement sales strategies to grow market share in the Electrical Product sector. (i.e., PVC cables, electrical circuit protection, wiring devices and cable support system etc.)

- Provide support in strengthening relationships and aligning growth strategies with Key Account clients through periodic business reviews.

- Identify clients' needs by specifications and exploring new opportunities with existing or new accounts by liaising with electrical contractors, M&E consultants etc

- Conduct regular market research to be up-to-date on market sentiments, projects and opportunities in order to have a strong project pipeline.

- Ensure timely report submissions and updates on trade prices.

- Conduct presentations, negotiations and closing of sales with clients.

- To attend off/on-site meetings with clients and resolve issues, as and when required.

- To provide after-sales services to clients. (i.e., accounts settlement, fulfilment of orders, delivery service performance, calls for assistance)

- Work closely with respective internal teams on project management.

REQUIREMENTS

- Minimum Diploma in Electrical Engineering or equivalent.

- At least 2 years of related working experience in accounts management and sales.

- Excellent interpersonal and communication skills.

- Presentation and public speaking skills required.

- Committed and self-driven team player, with the ability to respond positively to clients’ requests for assistance.

- Possess own transport an advantage

Responsibilities

• Generating leads and cold calling to get appointments with potential clients
• Attending face to face client meeting to understand business needs and consultatively pitch our solutions
• Consult with prospect about business challenges and requirements with analysis of costs and benefits.
• Build and enhance relationship with clients to grow portfolio.
• Report on sales activity on a weekly basis
• Other general admin duties as assigned

Requirements

• Hunter mentality and a “no fear” approach to prospecting corporate clients
• A strong work ethic, positive attitude and genuine desire to learn
• Candidates with no experience are welcome to apply as training will be provided
• Candidates with prior experience in related fields can be considered for senior position

Job Responsibilities

- In-house design for company’s collateral

- Content creation for social media platforms such as Facebook, Instagram, YouTube


- Maintain company’s objective by generating inbound leads via Facebook Ads, Google Ads (Paid and Organic)
 - Photography cum videography required at job sites for completed projects, followed by photo/video editing/production for content


- To handle online marketing eg Facebook, Instagram, and company website


- Responsible to assist in marketing planning and execution

Requirements:

- Knowledge in Adobe Photoshop / Illustrator / Canva

- Knowledge in social media marketing skills