Total 83,214 Full-time maintenance engineer service job vacancies in Singapore

Job Description:

• Takes charge of the entire engineering department, leading a team as they complete various projects
• To assist in site supervision works
• Coordinate internally with inter-department and externally with clients & consultants
• Coordinating for the project planning, documentation, and execution of works on-site
• Coordination, supervision & monitoring of the progress of the project works on site, manpower mobilization, materials planning & ordering
• Coordinate with the contractor and suppliers on all project implementation issues and attend site meetings when required
• Produce weekly site progress reports and necessary submission
• Attend meetings, and conduct site inspections on work progress to ensure quality control in accordance with authority requirements.
• To carry out daily implementation of works at the site with assistance from fellow supervisors and foremen.
• To plan and ensure all implementations are carried out in accordance with the Construction program.
• Carry out daily discussions with the project team and fellow colleagues to ensure works are carried out smoothly and no re-work or clashes with other trade works.
• Study all related construction drawings and prepare and raise any RFI’s required early before implementation of the actual works.
• To prepare any necessary construction method statement and technical proposal to ensure the smooth transition of works.
• Ensure all necessary inspections in accordance with the client’s requirements are carried out accordingly, correctly, and timely.
• The plan and sequences of the construction operations are in accordance with the Project Quality Plan. Attends all necessary site progress meetings, and internal meetings as & when required.
• Keep track of submission status like shop drawings, materials, samples, method statements & all other technical submissions.
• To carry out resource planning, machinery allocations, and equipment management on a day-to-day basis to ensure works at the site are carried out smoothly.
• Coordinates and maintains constant communications with fellow colleagues from other departments like architectural, technical, and planning.
• Liaise with the client’s supervisory department for site inspections, submission of necessary technical reports, and maintaining necessary records at the site.

Job Requirements:

• Bachelor's Degree in Civil Engineering or equivalent
• More than 10 years of working experience in the related field is required
• Proficient with AutoCAD and other office software
• Ability to work with tight deadlines
• Work closely with the project team to resolve technical issues
• Good attitude and communication skills
• Need to be stationed at the site (Jurong East)
• Willing to work 6 days at the project site
• Experience in LTA projects is required
• Experience with high-rise buildings would be advantageous
• Excellent verbal and written communication skills
• Equipped with leadership skills in which able to lead the engineers in completing the jobs

Responsibilities:

• Conduct QAQC daily checks
• Prepare monthly QAQC report for submission to Corporate QAQC Department
• Conducting monthly QAQC Training to Sub-contractors
• Issuance of QAQC Non-compliance to sub-contractors
• Attend monthly QAQC presentation and meeting at Corporate QAQC Department

Job Requirements:

• Min 3 years experience
• Min Diploma in Engineering fields
• Architectural-trained or Structural-trained work experience

Responsibilities:

• IDD works including implementation, coordination, and daily operation
• Time to time site temporary facility and utilization planning
• Assist PM on detailed planning of monthly work actives, weekly schedule
• Update master program
• Assist PM to draft all the progress meeting, coordination meeting minutes, method statement
• Have experiences and able to perform delay analysis to demonstrate the number of EOT required and/ or resulted by the any delay events, to keep proper records of all the documents required for EOT and Variation claim.
• Incorporating Cost and Resource Planning (manpower, machinery, materials) into the Master Programme.
• Well versed in Earn Value Method to track progress of project.
• Well versed in Critical Path Analysis

Requirements:

• Min Diploma in Building/Civil Engineering or equivalent
• Min 3 years relevant experience
• Good technical knowledge
• Qualified and experienced in planning and management of complex construction projects using Primavera P6 software

Overview

As a Production Engineer, you are to assist the Production Manager in overseeing the production operation and work out schedules and plans, monitor progress, forecast demand of resources, and manage all the technical activities aiming at assuring smooth project delivery and optimization of production performance from conception to completion. You are to adhere to company's Integrated Management System (IMS) and compliance to applicable Singapore Standards and Regulations in the Industry.

Responsibilities

1. Plan, manage and coordinate projects to ensure that the projects are completed on time, within budget and of highest quality.
2. Work closely with clients, suppliers, consultants, contractors, and relevant authorities in projects managed.
3. Plan, develop, execute, monitor project schedule, resource plan and budget.
4. Monitor compliance to applicable codes, practices, QA / QC policies, performance standards and specifications.
5. Perform overall quality control of the work (budget, schedule, plans, personnel’s performance) and report regularly on project status.
6. Supervise team of Supervisors, foreman and workers in the production operations to ensure quality, productivity, and safety.
7. Set daily/ weekly/ monthly objectives and communicate them to production team.
8. Cooperate and communicate effectively with project stakeholders to provide assistance and technical support.
9. Review engineering deliverables and initiate appropriate corrective actions.

Responsibilities:

• Participate in design, development, testing and implementation of applications
• Support daily operations and end user requirements
• Maintain and improve current systems and operations
• Prepare system documentation and training materials
• New technology exploration and if adopted, to execute its implementation

Requirements:

• Degree / Diploma in IT/ Computer studies or related
• Min 1-2 years of experience in Front-End Development primarily ReactJS.
• Knowledge in SQL database
• Knowledge in versioning tools (GIT, SVN)
• Knowledge of Back-End Development Framework such as ASP.Net Core is an added advantage.
• Completed 1 or more projects in any role using either Agile or Waterfall methodology
• Exposure to any ERP software will be an added advantage
• Able to multi-task and work under tight schedules
• Good team player with excellent communication skills

- Provides technical expertise through sales presentations, product demonstrations, installation and maintenance of company products.

- Assists the sales staff in assessing potential application of company products to meet customer needs and preparing detailed product specifications for the development and implementation of customer applications/solutions.

- May build a mini-application based on customer requirements to demonstrate feasibility of the application, often requiring rapid prototyping and/or product demo for client.

- May provide software development and consultation to prospective users and/or product capability assessment and validation.

- Ensures that the product application/solution is functioning according to specifications.

- May provide follow-up support to company sales staff and customer personnel by disseminating technical information on specific applications.

Yow Jiewei Jacky
EA Personnel: R22111755
EA License: 12C6295

Responsibilities:

• Design, develop, and optimize large-scale data pipelines for efficient data collection, processing, and storage.
• Monitor and maintain data pipelines to ensure high availability and consistency.
• Develop algorithms for processing and analyzing large datasets.
• Utilize distributed computing frameworks like Hadoop and Spark for scalable data processing.
• Design and manage large-scale data storage solutions, including HDFS, Cassandra, NoSQL, and BigQuery.
• Implement robust data management practices to ensure data integrity and security.
• Collaborate with data scientists, analysts, and stakeholders to meet data requirements.
• Communicate complex data concepts effectively to non-technical stakeholders.
• Stay updated on the latest trends and advancements in big data technologies.
• Continuously enhance data infrastructure to improve performance and scalability.

Requirements:

• Bachelor's degree or higher in Computer Science, Data Science, or a related field.
• Minimum of 2 years of relevant professional experience preferred.
• Proven experience in designing and maintaining data pipelines and storage solutions.
• Strong proficiency with distributed computing frameworks, particularly Spark.
• Expertise in data management systems like HDFS, Cassandra, NoSQL, or BigQuery.

Our client, a well-known main contractor in the construction industry, is looking for talent as Tunnel Engineer.

Responsibilities:

The Tunnel Engineer is responsible for, but not limited to, the following:

• Provide planning of tunnelling operation from safety, quality, and productivity viewpoint.
• Provide engineering supervision to bored tunnelling operation, including final ring selection and selection of key.
• Ensure the work is done in compliant with the protocol established for the project.
• Coordinate with project stakeholders.
• Report to Tunnel Manager / Deputy Tunnel Manager / Sr Tunnel Engineer.
  

Qualifications/Job Experience:

• Minimum 5 years of TBM bored tunnelling experience.
• Large diameter (over 10m diameter) bored tunnelling experience.
• Hydro-Shield TBM experience (if applicable)

Requirements:

• Degree in Civil Engineering or equivalent.
• Experience in handling tunneling projects.
• Ability to work under compressed air.

• Design, develop, and maintain scalable ETL/ELT workflows using Spark, SQL, and Python on the Azure Databricks platform.
• Build and optimize data pipelines on the ADA platform to support advanced analytics and business intelligence.
• Import and process metadata and data from multiple sources (e.g., S3 buckets) to support reporting and analytics.
• Implement data quality checks, data validation, and ensure accuracy in processed data.
• Hands-on experience in cloud services (Microsoft Azure) and data warehousing.
• Proven experience in predictive modelling, analytics, and creating dashboards for KPI tracking.
• Programming Languages: Python, Scala
• ETL Tools: Informatica, SAS
• Database Management: Oracle, MySQL, MS SQL Server, MongoDB
• Scripting: SQL, PL/SQL
• Development Tools: Eclipse, IntelliJ, Jupyter Notebook, Notebook
• Version Control and Build Tools: Maven, SBT, Git
• Methodologies: Agile, Scrum
• Operating Systems: Windows, Unix, Linux
• Microsoft Cloud Services: Azure Databricks, Azure Data Factory, Azure SQL DataWarehouse, Azure Data Lake Storage, BLOB Storage

• looking for someone who know marine trade electrical
• able to handle task that are given
• able to communicate well with the existing foreign talent and main cons
• assist employer in getting more projects for the company
• able to work independently
• self driven person
• loves in working in marine industry
• good benefit and warefare

Responsibilities:

• Coordinate and Supervise project work on various site
• Manage project schedule efficiently
• Review M & E Drawings
• Follow up on drawing discrepancies
• Implement project planning, design, material requisition, cost control and documentation
• Ensure smooth progress of works on site and timely completion
• Liaise closely with clients, consultants, and suppliers on all project related matter

Requirements:

• ITE/Poly/Diploma/Degree in Electrical in any engineering field
• Prior experience in interior fit out works would be an added advantage
• Office proficient in (AutoCAD/Microsoft Office/Microsoft Project)
• Independent, resourceful, pro-active and team player
• Possess good organization, planning and project management skills
• Ability to work under tight deadlines

Responsibilities:

• Coordinate and Supervise project work on various site
• Manage project schedule efficiently
• Review M & E Drawings
• Follow up on drawing discrepancies
• Implement project planning, design, material requisition, cost control and documentation
• Ensure smooth progress of works on site and timely completion
• Liaise closely with clients, consultants, and suppliers on all project related matter

Requirements:

• ITE/Poly/Diploma/Degree in Electrical in any engineering field
• Prior experience in interior fit out works would be an added advantage
• Office proficient in (AutoCAD/Microsoft Office/Microsoft Project)
• Independent, resourceful, pro-active and team player
• Possess good organization, planning and project management skills
• Ability to work under tight deadlines

Client: MNC, A1 Main Contractor
Location: Central, Hougang

Work Hours: 7.30am - 6pm / 5.5 Or 6 Days Work Week
Salary: $3.5K - $5K Negotiable, Based on Qualification, Experience & Capability

*Remuneration: Year end bonus + Health + Dental Benefit etc.

Requirements:

• Degree in Mechanical Engineering / Electrical Engineering (recognized by PE board)
• 3 - 5 years experience in the engineering / civil works
• 2 years experience in underground / MRT tunnelling project experience
• Experience in Diaphragm wall, Bored-piling and Tunneling Projects

Responsibilities:

• Plan and schedule work sequences for construction operation
• To study tender / construction drawings, specifications and contracts to understand project requirements
• Liaise with consultants, client & main / sub-contractors and coordinate for site activities arrangement
• Perform site inspection and ensure that the works are carried out according to project specification and construction drawing
• Lead a team of supervisors for work coordination with main/sub-contractors and/or authorities and/or consultant on project progress and technical issues
• Planning and deployment of resources such as manpower, machinery, equipment and material
• Preparation of progress report, Method Statements and technical submissions
• Ensure the project complies with regulations and clients’ specifications
• Adhere to safety and health regulations and aim for zero accident in the workplace, and to perform Ad-Hoc duties as per assigned

To Apply:

Please send in your updated detailed resume to [email protected] or Whatsappl 89101675.

Subject: Site Engineer / Senior Engineer @ Central > IMMED

• 1) Updated detailed resume
• 2) BioData
• 3) State your last drawn salary and Expected salary (With current & previous employers)

4) The notice required and availability date, Range of expected salary
5) Reason for leaving each employment
6) Singapore's Project experience & Duration

NOTE: ** Our Consultants will contact you for the next step.

Take Care, Stay Safe & God Bless.

MOM Certified: R 1103510

If you are a proactive individual with a positive attitude and a desire to make a real impact in the transportation sector, we would love to hear from you!

Let’s Drive Excellence Together! To carry out cutting & welding on heavy vehicles.

Job Requirements:

To carry out accident repair on buses and trucks

To carry out all types of body repair, fitter work, fabrication and welding workon trucks & buses

Job Requirements:

Minimum NTC, NITEC or Technical Trade in Welding

Minimum 3 years of hands-on experience in welding and cutting

Others:

5 days’ work week

Work Location: 8 Gul Circle, Singapore 629564

To apply, click the "Apply" button or send your updated resume or call Human Resource at 6868 1125 mentioning the job position you are applying for.

Note: ONLY shortlisted candidates will be contacted for further selection processes.

We're looking for a personnel who would be a specialist for marine electrical practical knowledge to handle/control & monitor & expart to solve problem for all the project site. He/she must know to design and plan for the project & save the overall production cost. He/she must prove his/her capability by the performance. He/she should have a proper knowledge to maintain of job responsibility & punctuality. He/she must respect & follow every rules_regulation & restriction Of the organization.

Above all we're looking for someone who has a capability to perform high productivity with lower salary.

• Maintains project administration in a correct and timely manner.Orders materials and equipment and takes care of the necessary permits.Accomplishes construction human resource objectives by selecting, orienting, and training employees.Assesses safety and finance goals.Manages sub-contractors by locating, evaluating, and selecting contractors.Meets operational standards by contributing construction information to strategic plans and reviews.Meets construction budget by monitoring project expenditures.Accomplishes construction project results by defining project purpose and scope.Approves construction projects by conducting inspections at critical phases.Prevents fines and work interruptions by complying with, and enforcing, codes.Maintains a safe, secure, and healthy work environment by following guidelines, standards, and procedures.

Patsnap is a technology innovation information service provider, committed to providing services for global innovative enterprises and innovation ecosystem people, providing innovation data to gain insights, providing innovation tools to promote agile collaboration, building innovation ecosystem with open cooperation, and realizing the mission and value of "connecting innovation, breaking boundaries".

Job Description

• Drive revenue growth for our organization and the businesses we support by managing the entire customer lifecycle mainly around renewal and expansion.
• Build and maintain strong relationships with customers.
• Improve performance of our clients IP and R&D workflow in a client-centric manner
• Adopt a data-driven approach of sales funnel management and account management with accurate forecasting.
• Demonstrate expertise in all matters relevant to your book of business, including escalation and troubleshooting to resolve client issues
• Conduct professional negotiation of commercial agreements.
• Conduct customer onboarding meetings and quarterly business reviews.
• Develop new business in life-science industry with the region’s leading enterprises from big enterprises to promising SMEs.
• Keep up to date with all major product updates for the ability to articulate their value to our clients.

Job Requirements

• Bachelor's degree or higher in a relevant field.
• 5-10 years of relevant work experience in a client-facing role, preferably in a sales or account management capacity.
• Proficiency in CRM systems and data analysis tools.
• Experience with sales force automation tools and customer relationship management best practices.
• Strong analytical and problem-solving skills.
• Excellent communication and presentation skills

BIPO Service (Singapore) Pte. Ltd.

EA License No. : 18S9180

Reporting to Centre Manager , you will ensure frequency, reliability, and quality of Befriending service to relieve loneliness and improve the quality of lives of the socially isolated Seniors.

Responsibilities:

· Contacting and engaging seniors referred to the Association, via phone calls and home visits, to

conduct periodic assessment and coordination of care needs.

· Monitor the visit report submitted by the volunteers to update the status of the Seniors and

prevent lapse in services.

· Administrative coordination and management of seniors' activities and programmes.

Requirements:

· Able to work in the evening and on weekends when required

· Proficient in MS Word, Excel and Powerpoint

· Passionate in working with Seniors

· Strong organizational and communication skills

· Meticulous and detailed

The Job

• Develop and implement maintenance plans and schedules based on equipment requirements and resource availability.
• Coordinate and communicate maintenance activities with co-workers and various departments to minimize disruption to day-to-day operations.
• Plan equipment inspection, servicing, and overhaul during scheduled downtime.
• Perform both short and long range planning and scheduling, respond to emergencies and schedule changes.
• Coordinate with procurement department to call quotation/tender for term contracts and external ad-hoc services required by maintenance team.
• Liaise with term contractors such as planning maintenance schedule, where applicable.
• Monitor validity of term contractors' insurance policies and security deposit during period of contract.
• Liaise with team leaders to create purchase requisition for utilization of term contract roles.
• Establish and maintain standardized maintenance planning process, procedures, and workflows.
• Review and improve maintenance processes and procedures including work order system to enhance overall effectiveness and efficiency.
• Make recommendations on best practices to be in line with industry standards.
• Maintain accurate records of maintenance activities, including work orders, maintenance procedures and schedule.
• Analyze breakdown report and liaise with team leaders to ensure breakdowns are categorized correctly.
• Provide reports on adherence to maintenance schedules.

The Requirements

• Minimum Diploma in technical field, preferably in Electrical or Mechanical Engineering.
• 5 years working experience in an engineering role, with minimum 3 years in scheduling position with demonstrated success of implementing and operationalizing master schedules.
• Proven experience in performing preventive maintenance and repair works.
• A team player.
• Good analytical and communication skills.
• Proficient in IT applications (Microsoft Word, Excel, and PowerPoint)

Job Description:

• Ensure chiller systems operate at optimal performance and efficiency.
• Provide exceptional service by addressing client inquiries and concerns about chiller operations and maintenance.
• Diagnose mechanical, electrical, and control system issues, implementing effective solutions.
• Educate clients on proper operation and maintenance practices to enhance the lifespan of their chiller systems.
• Prepare detailed reports outlining service activities, findings, and recommendations for improvements.
• Execute commissioning processes for new chiller installations, ensuring proper setup and functionality.
• Work with agents, customers, and contractors to verify system performance and compliance with specifications.
• Foster collaborative relationships with contractors to encourage teamwork and shared problem-solving.
• Adhere to safety protocols and regulations, conducting safety briefings to ensure understanding of responsibilities.
• Perform field-based tasks in various environmental conditions, including outdoor settings.
• Be available for chiller breakdown calls during assigned standby shifts.

Job Requirement:

• Diploma and Degree
• 3-5 years of proven experience in chiller maintenance, commissioning, or related HVAC roles.
• Strong technical knowledge of chiller systems, HVAC principles, and electrical controls.
• Excellent problem-solving skills with a keen attention to detail.
• Strong communication and interpersonal skills for effective interaction with clients and team members.
  Ability to work independently and manage time efficiently.
• Completion of Building Construction Supervisors Safety Courses or equivalent certifications.

HOW TO APPLY:

Interested applicants, please click on “Apply Now” and provide the below details in your resume.

We regret only shortlisted candidates will be notified.

Important Note: Trust Recruit Pte Ltd is committed to safeguarding your personal data in accordance with the Personal Data Protection Act (PDPA).

Please read our privacy statement on our corporate website www.trustrecruit.com.sg.

Trust Recruit Pte Ltd
EA License No: 19C9950
EA Personnel: Vivian Chung Fhui Tiin
EA Personnel Reg No: R22106436

Responsibilities

• Diagnose and solve technical problems on semiconductor machinery and systems, such as computer setups, advanced software, or networked/wireless systems.
• Carry out on-site installations, continuous improvement initiatives, parts overhauls, preventative maintenance, equipment modifications, and repair work.
• Act as the main point of contact between the company and the customer for both administrative and technical matters related to assigned projects.
• Organize logistics and coordinate with customers on equipment-related issues.
• Address customer complaints, offering timely solutions to resolve their issues.
• Track product performance, providing regular updates and feedback on customer service requests.
• Report recurring customer concerns to management to help prevent future issues.

Requirements:

• Minimum of 2 years of related experience in Semiconductor Industry
• Possess at least a Diploma/Degree in Electrical or Electronic Engineering
• Good time management skills, ability to meet deadlines, and strong attention to detail
• Good team player with the ability to work independently

Please submit your updated resume in Word format by using the Apply Now Button.
We regret that only shortlisted candidates will be notified.

Email resume to [email protected]

People Profilers Pte Ltd, 20 Cecil Street, #08-09, PLUS Building, Singapore 049705.
Tel: 6950 9724

http://www.peopleprofilers.com
EA License Number: 02C4944
Registration Number: R1872398

Posting Personnel: Ng Jwee Ken

Ref: QXV54V53

Our client is a Singapore based Scientific and Medical devices provider with presence in Southeast Asia region. Due to their current expansion plan, they are looking for a Technical Service Engineer to join their Engineering Team, in hopes of developing the current high performing team. They are located in the South area – easily accessible.

Duties of Technical Service Engineer:

• Provide after-sales technical support for equipment installation and maintenance.
• Offer technical guidance and consultation to customers.
• Address and troubleshoot customer issues, ensuring timely solutions.
• Document service activities and prepare detailed reports.

Requirements:

• Minimum NiTEC in ELectrical or Mechanical Engineering
• 2 - 3 years experience in servicing Life Science Medical Devices
• Possess own transport

Interested candidates who wish to apply for the advertised position, please click APPLY NOW or email an updated copy of your resume/cv.

We regret that only shortlisted candidate will be notified

• Email Address: [email protected]
• EA License No: 19C9682
• EA Personnel No: R2199158
• EA Personnel Name: Soo Wei De

Our client is a Singapore based Scientific and Medical devices provider with presence in Southeast Asia region. Due to their current expansion plan, they are looking for a Technical Service Engineer to join their Engineering Team, in hopes of developing the current high performing team. They are located in the South area – easily accessible.

Duties of Technical Service Engineer:

• Provide after-sales technical support for equipment installation and maintenance.
• Offer technical guidance and consultation to customers.
• Address and troubleshoot customer issues, ensuring timely solutions.
• Document service activities and prepare detailed reports.

Requirements:

• Minimum NiTEC in ELectrical or Mechanical Engineering
• 2 - 3 years experience in servicing Medical Imaging Devices

Interested candidates who wish to apply for the advertised position, please click APPLY NOW or email an updated copy of your resume/cv.

We regret that only shortlisted candidate will be notified

• Email Address: [email protected]
• EA License No: 19C9682
• EA Personnel No: R2199158
• EA Personnel Name: Soo Wei De

Job description:

Customer support:

• To arrange service visiting, install, repair, troubleshooting, and relocation on site.

• To set up and dismantle equipment for demonstrations.

• To conduct equipment familiarization training for users.

• To answer service enquiries.

• To attend user’s meetings.

• To install and commission new equipment at customer’s sites.

Service administration

• To prepare service quotations, contracts, report, and invoice.

• To arrange spare parts from suppliers.

• To send / deliver repair item and spare parts.

• To collect equipment for in-house repairs.

• To deliver new equipment to customers.

• To attack and pursue outstanding debts.

• To send faulty parts to vendors for checking and testing.

• To furnish technical information and quality report to Principal.

Job requirements:

• Min. Diploma in Engineering

• Min. 1 to 2 years of experience in going clients’ sites to perform servicing

• Experience in medical device servicing is advantageous

Apply now by sending your resume to [email protected]

We regret to inform that only shortlisted candidates will be notified

Alex Goh Hock Leong | CEI.No: R1763413 l Recruit Express Pte Ltd (Healthcare & Life Sciences) | 99C4599

JOB PURPOSE:

Overall responsibility for LEROY SOMER alternators service sales and promotion in South East Asia and Australia/New Zealand to meet bookings & service sales targets and to provide the full spectrum of support.

JOB DETAILS

The job holder should be responsible for the following:

• Sell service, whether spare parts, work on site, machine replacement, or workshop services at targeted customer segments.

• Establishing good relationship with end user and service partners to capture growth.

• He will make technical visits on site to quote service projects. He can rely on the application/technical support engineer to understand and analyze the situation of the machine at the customer’s site, propose our technical solution and articulate it in front of the customer.

• Development program with distributorship in the region.

• Prepare technical & commercial offers against client requirements (max. value 500,000US$ without manager review).

• Liaise with sales administration & finance teams to ensure effective & profitable sales.

• Coordination with manufacturing facilities to facilitate on-time delivery.

• Forecast budget & action plan.

• Keep CRM updated ( Saleforce ) on very regular basis.

• Prepare weekly & monthly report for visits, offers.

• Adhere to local and international trade compliance procedures in connection with all transactions and business practices (reference LEROY SOMER Trade Compliance Procedure).

• Fulfil any other reasonable duties as required.

Education and Qualification(s): Qualified to degree level in engineering / bachelor in electrical discipline

Experience: Relevant market & industry knowledge 5 years minimum

Language & level: Excellent English