Well established local M&E Company looking for Human Resource & Admin Executive.

Responsibilites & Duties

• Oversee daily operations of the HR department
• Manage all work pass applications eg WP, SP, EP
• Arrange for courses eg CSOC, work-at-height, confinement space
• Act as the point of contact regarding labor legislation issues
• Manage employees’ grievances
• Provide counselling on policies and procedures
• Responsible for stock management of uniforms, stationery & etc
• Setting-up and maintenance of employees' files
• Issuance of Staff ID
• Preparation of letters
• Assist in staff clearance process
• Managing employee benefits utilization such as leave, medical benefits as per HR policy and guidelines
• Support administrative work for office to ensure smooth running of daily operation

Jobs Requirements

• Familiar with government regulations and handle foreign employee issue resolution
• Minimum 4 years of experience
• Detailed oriented person
• Firm and stern character yet possess patience in liasing with colleagues especially with foreign employees
• Proven experience as HR officer, administrator, or other HR position
• Proficient in MS Office

Benefits;

• Office Hours (8:30 am - 6:00 pm)
• Monday to Friday
• Attractive remunerations and Benefits
• Work work-life balance and Friendly Work Environment

Roles & Responsibilities;

• Prepare delivery order
• Perform administrative duties including documentation collection, distribution, and filling.
• Update and compile logistics-related daily and monthly reports.
• Maintain and update stock inventory and location.
• Assist in answering phone calls and message-taking
• Other logistics-related duties as assigned
• Experience in administrative duties and data entry
• Knowledge of MS office and MS outlook
• Able to work in a fast-paced environment and perform overtime when required

Requirements;

• Diploma in Logistics Management / Supply Chain / Business Administration
• Minimum 2 years of related working experience
• Able to work in a multi-cultural environment and with people of all levels
• Meticulous and possess a positive attitude
• Good verbal and written communication skills in English & Chinese
• Flexible and adaptable
• Proficient in computer skills - MS Word, PowerPoint, Excel

Responsibilities

• Prepare correspondence emails, quotations, contract agreements, letters, documents, purchase orders, reports etc.

• Work with other departments/divisions and companies

• Coordinate administrative work within department

• Prepare reports by collecting all relevant information

• Handle the collation and submission of documents to clients / government agencies

• Offer constructive solutions to superiors when problems arise.

• Undertake any other ad-hoc tasks and duties as and when assigned by superior.

Working hours: 10:30am to 7:30pm (Monday to Friday)

10:30am to 3:30pm (Sat) (Alt Sat)

- Assist and support the Project Manager in the project administrative duties/ deliverables

- Manages the administrative aspects of a construction project

- Communicate and work closely with customers, sub-contractors, 3rd Party service providers.

- Liaise with internal and external suppliers for quotation, ordering & arranging of goods delivery

Job requirement:

- Diploma in Building, Facilities management, civil engineering or equivalent certification preferred

-SC/PR only

Key Details:

Duration: 4 - 6 months

Internship Allowance: $1,200

Location: Lifelong Learning Institute, 11 Eunos Road 8, Singapore 408601.

Working Hours: 8:30 AM to 6:00 PM (Monday to Thursday), 8:30 AM to 5:30 PM (Friday).

Skills Badge & Course Accreditation Support

Overview

We're looking for a motivated and detail-oriented intern to support our team in the Skills Badge and Course Accreditation processes. This role is ideal for someone interested in gaining practical experience in learning & development and data analysis.

Responsibilities

Skills Badge & Course Accreditation Support

• Assist in reviewing and processing course accreditation applications, ensuring accuracy and completeness
• Support the development and maintenance of Skills Badge resources and documentation
• Track and analyse Skills Badge and Course Accreditation data to identify trends and areas for improvement

Learning & Development Support

• Collaborate with the team to convert existing playbooks into engaging learning modules for the Learn platform
• Assist in the development of new learning content and resources as needed

Research & Data Analysis

• Support the Skills Development team with research for future Jobs Skills Insights, gathering and analysing relevant data
• Prepare reports and presentations summarising research findings

Additional Responsibilities

• Undertake any other tasks or projects assigned by the supervisor, contributing to the overall success of the team

Qualifications

• Enrolled in or recently completed a relevant program (e.g., HR, Business Administration, or a related field)
• Some exposure to HR knowledge and practices is preferred
• Strong attention to detail and organisational skills
• Proficient in Microsoft Office Suite (Word, Excel, PowerPoint) and Data Analysis tools
• Excellent communication and collaboration skills
• Self-motivated and proactive, with a willingness to learn

Benefits

• Gain valuable experience in learning & development, and data analysis.
• Work on projects that directly impact the Skills Badge and Course Accreditation processes
• Collaborate with a dynamic team of professionals and expand your network
• Develop practical skills and knowledge applicable to future career opportunities

Key Details:

Duration: 4 - 6 months

Internship Allowance: $1,200

Location: Lifelong Learning Institute, 11 Eunos Road 8, Singapore 408601.

Working Hours: 8:30 AM to 6:00 PM (Monday to Thursday), 8:30 AM to 5:30 PM (Friday).

Overview

We're seeking an intern to join our team in the review and development of IHRP's certification assessment products. This role is ideal for someone interested in gaining hands-on experience in assessment design and quantitative as well as qualitative research methods.

Responsibilities

Assessment question bank development and review

• Support in setting up questions and collecting reviews by subject matter experts
• Support in managing content development of preparatory materials for assessment
• Analyse question item performance
• Support the coordination / logistics of running pilots of newly developed questions

Research and insights

• Support the team in cleaning and analysing data from existing IHRP’s products to provide insights
• Undertake any other research tasks (e.g. coordinating focus group discussions/surveys and analysing results) as assigned by the supervisor

Additional Responsibilities

• Undertake any other tasks or projects assigned by the supervisor, contributing to the overall success of the team.

Qualifications

• In 3rd to Final Year of Studies in relevant undergraduate programme: (e.g., Psychology, Economics, Sociology).
• Statistical software: Experience with statistical software (e.g. SPSS, R, Stata, Python), knowledge of R is a plus.
• Understanding of research design: Knowledge of research design, survey design methods.
• Knowledge of quantitative and qualitative analysis: Knowledge of common quantitative models (e.g. linear regression, ANOVA) and qualitative analysis methods (e.g. Thematic analysis).
• Excellent communication and collaboration skills: Ability to articulate ideas clearly and work effectively within a team.
• Self-motivated and proactive: Eager to learn and contribute to the project's success.

Benefits

• Gain valuable experience in quantitative and qualitative research methods
• Work on a real-world project that will directly impact the quality of IHRP’s key product (certification assessment).
• Collaborate with a dynamic team of professionals and expand your network.
• Develop practical skills and knowledge applicable to future career opportunities.

We are proud to announce the acquisition of Gravotech, a global leader in engraving and cutting solutions. This strategic acquisition enhances Brady Corporation's capabilities and expands our product offerings in the identification solutions market.

About Gravotech: Gravotech is renowned for its innovative engraving and cutting technologies, serving a diverse range of industries worldwide. With a commitment to excellence and customer satisfaction, Gravotech adds significant value to Brady's portfolio.

Sales admin:

· Follow the process from Order booking till Sales invoicing with close communication with internal team members & customers

· Manage relationships with customs and transportation suppliers.

· Optimizes the flow of information between departments involved in the processing of customers’ requests

Logistics

· Track import orders

· Track, prepare, and send orders within the specified time frame to customers

· Handling disputes related to transportation (package loss, delivery to incorrect address, etc.) = occasional tasks

· Stock management with first in first out

Requirement

· Major in International Trade/Logistics and related 3 years+ working experience

· English (Reading Writing Speaking)

· Computer skills (ERP - CRM - MS Office (Excel & PPT))

· Required experience: Customer Service - Import and Export

· Customer focus & Team spirit

· Quality and Continuous Improvements

· Respect & Responsibility

Sales/Marketing experience a advantage in housekeeping products, e.g. trash bags, hygiene papers, cleaning chemicals etc.

Prospecting, provide quotations, take orders, fulfil orders, following up and service with customers, provide support for order fulfiling.

Able to converse in mandarin and english. Able to handle PC activites such as typing quotations, documents, emails communication and some simple online purchasing.

Salary 2.1k to 2.7k, no agent please

Located near Macpherson MRT

Whatsapp: 9164-9046 or email [email protected]

The person assisting with our Admin and Operations.

A self-motivated and creative individual who is able to work in a team environment. He/she is well-organized, can multi-task and at the same time stay focused on the target goals.

Job Scope

• General adminstrative work including data entry.
• Assist with our operational activities including online/offline sales and order processing and fulfilment, production planning, inventory tracking, supply chain planning and management.
• Support other projects that may be assigned.

Requirements

• Minimum 'O' Levels / NITEC

• Consumer healthcare / FMCG experience preferred but not necessary

• Good communication skills

• Driven, motivated and outgoing with positive attitude

If you are interested in this opportunity, please email your application and resume to [email protected]

ADVAGEN is a close-knit team of high-achievers who are motivated, innovative, creative and, above all else, passionate about what we do. Besides skill sets, we also look for personality.

You must thrive in a dynamic, entrepreneurial and autonomous environment where all of us work towards our common goals. You will succeed based on your contribution and work ethic. We take pride in our “family” atmosphere where each person’s contribution is vital to our success. You are empowered to make decisions, think creatively and be proactive in your approach. Positive, team-oriented people work at ADVAGEN and are rewarded with an attractive package that commensurate with your experience and most importantly a fun workplace.

ADVAGEN is an Equal Opportunity employer.

About The Swim Starter:
The Swim Starter is a purpose-driven company dedicated to water safety and education. Founded in 1981, we have been providing critical swimming and survival skills to children, fostering confidence, and preventing water-related tragedies. Join a team that values professionalism, innovation, and a strong commitment to our mission of empowering young swimmers.

Job Description:
We are seeking a proactive and detail-oriented HR Admin Executive to support our growing team. This role involves developing hiring strategies, managing recruitment processes, designing and executing training programs, handling payroll, and maintaining accurate staff and recruitment databases. You will work closely with managers to align hiring and training initiatives with company goals.

Key Responsibilities:

Recruitment and Hiring Strategies:

• Develop and implement effective hiring strategies to attract top talent.
• Manage the end-to-end recruitment process, including job postings, candidate sourcing, and shortlisting.
• Schedule and coordinate interviews with respective managers.
• Maintain a robust recruitment database to track candidate progress and outcomes.

Training and Onboarding:

• Design comprehensive training materials for new staff in collaboration with department managers.
• Conduct and facilitate onboarding and training sessions for new employees.
• Monitor training effectiveness and make improvements as needed.

Payroll and Administration:

• Manage payroll processes accurately and on time, ensuring compliance with statutory regulations.
• Maintain and update employee records, including attendance, leave, and performance data.
• Handle HR documentation, such as employment contracts, policies, and benefits.

Database Management:

• Maintain accurate and organized recruitment and staff databases.
• Generate regular HR reports for management to support decision-making.

Requirements:

• Education: Diploma or degree in Human Resources, Business Administration, or related field.
• Experience: Preferably 1 year of experience in HR or administrative roles (fresh graduates with strong interest are welcome to apply).
• Skills:Strong understanding of recruitment strategies and HR practices.
  Ability to design and execute training programs.
  Proficiency in payroll systems and administrative tools.
  Excellent organizational and time management skills.
  Strong communication and interpersonal abilities to work effectively with managers and staff.
  Tech-savvy with experience in HR management software or CRM tools is a plus.
  
• Attributes:Detail-oriented with strong problem-solving skills.
  Proactive and self-motivated with a can-do attitude.
  Ability to maintain confidentiality and handle sensitive information with discretion.
  

Working Hours and Environment:

• Working Days: Monday to Friday
• Hours: 9:00 AM - 6:00 PM
• Location: Ubi, Singapore

Why Join Us?

• Salary: SGD $2,200 to $2,500.
• Be part of a meaningful mission that prioritizes water safety and education.
• Opportunity to shape and improve HR practices within a growing organization.
• Work in a collaborative environment that values personal and professional growth.

Job Description & Requirements

• Provide accounting and admin support to the finance department
• Invoicing to customers and verifying of vendor invoices
• Customer Credit Control
• Perform general office admin such as filing, answering of phone calls, and respond to queries
• Perform any other administrative and accounting duties as assigned.

• Diploma / Degree in Accounting / Business Administration
• 2 years of working experience in accounting and administrative duties
• Competent knowledge of Microsoft Office Software and MYOB
• Meticulous and Good Positive Attitude
• Good communications skills, Team-player
• Able to multi task and work independently

We are proud to announce the acquisition of Gravotech, a global leader in engraving and cutting solutions. This strategic acquisition enhances Brady Corporation's capabilities and expands our product offerings in the identification solutions market.

About Gravotech: Gravotech is renowned for its innovative engraving and cutting technologies, serving a diverse range of industries worldwide. With a commitment to excellence and customer satisfaction, Gravotech adds significant value to Brady's portfolio.

Sales Admin:

• Follow the process from Order booking till Sales invoicing with close communication with internal team members & customers
• Manage relationships with customs and transportation suppliers.
• Optimizes the flow of information between departments involved in the processing of
• customers’ requests

Logistics

• Track import orders
• Track, prepare, and send orders within the specified time frame to customers
• Handling disputes related to transportation (package loss, delivery to incorrect
• address, etc.) = occasional tasks
• Stock management with first in first out

Requirement

• Major in International Trade/Logistics and related 3 years+ working experience
• English (Reading Writing Speaking)
• Computer skills (ERP - CRM - MS Office (Excel & PPT))
• Required experience: Customer Service - Import and Export
• Customer focus & Team spirit
• Quality and Continuous Improvements
• Respect & Responsibility

Job description

Responsibilities:

• General administrative duties
• Handling, sorting, updating and filing of documents
• Request for Quotation, Follow up Purchase Order/Site Order
• Match invoice, DO and PO, ensure correct billing prices
• Maintain and update purchasing document/records

Requirements:

• Candidate must possess at least Primary/Secondary School/"O" Level in any field.
• At least 1 Year(s) of working experience in the related field is required for this position.
• Proficient in MS Office Applications
• Meticulous and willing to learn
• Familar Plumbing & Fitting as well
• Autocount system knowledge

Please include these into your resume:

• Last drawn salary
• Expected salary
• Reasons for leaving (past and current employment)
• Notice period

Job description

Assist site personnel in purchasing material and handling logistic
- Handle MRF, POs, DOs and Invoicing.
- Assist in site material budgeting and monitoring
- Any other duties and responsibilities involved within the role as assigned from time to time.
- Assist project coordinators/engineers/managers on implementation of project
- Other ad-hoc duties
- Duties include filing, telephone calls, receiving and directing visitors,
- Word processing, creating spreadsheets and presentations, and filing.

Processing, sorting, filing & data entry of various accounting documents to be used for Financial Statements’ generation. Maintenance & record keeping of attendance, incentives and benefits including payroll processing. Assist in the administration of Accounts & HR policies.

Performance Area 1: Documentation

Tasks:

1. Maintain complete records of employees in various HR softwares.

2. Compilation of supporting documents for all accounting transactions

3. Maintain all files in an organized manner.

Performance Area 2: Accounting Support

Tasks:

1. Data entry of suppliers Invoice and reconciliation of Statement of Accounts from suppliers.

2. Prepare Statement of Accounts for Customers & follow up collections.

Maintain proper records of cash and cheque collections; prepare debt collection status report

and Aged Receivable Report.

3. Prepare Payment Voucher to suppliers and creditors

4. Maintain, record and disburse petty cash and prepare related summary reports.

Performance Area 3: HR & Administrative Support

Tasks:

1. Assist in full spectrum of Accounts & HR administration.

2. Record keeping and monitoring of attendance, workers’ overtime, leave entitlements, benefits and other incentives. Prepare related reports for management review and for payroll processing

3. Assist in orientation of newly joined employee.

4. Maintain employee personal records in the HR Software and update workers details to be used in the Operations Department.

5. Assist in MOM issues, workers courses, workers’ medical appointment and others.

6. Prepare and calculate monthly payroll for workers.

7. Monitor and handle the upkeep of company’s vehicles like insurance, road tax, repairs etc.

· Able to commit night shift/during weekends &PH

· Able to commit OT

· Communicate with managers to coordinate schedules

· Prepare essential documentation, including memos, reports, and other forms of communication

· Handle human resource duties, including managing personnel databases and payroll

· Act as the organizational receptionist and receive calls and guests

· Answer and respond to organization emails and phone calls, and forward communications to appropriate parties as necessary

· Maintains and organizes meeting schedules

· Regularly check and maintain record of necessary office supplies

· Communicate regularly with staff to help procure needed items

Requirements

• Diploma / Degree in Purchasing & Materials Management or relevant field.
• Preferably at least 4 years of working experience in purchasing / procurement.
• Preferably 2 year of hands-on experience with Dynamics Navision System.
• A good team player with ability to meet tight deadlines.
• Possess good negotiation skills and good knowledge of construction costs and related rates.
• Meticulous with strong analytical skills
• Intelligent Entry Level candidates with a passion to work in construction industry are welcome

Job Description

• Liaise with project team on material specification.
• Material sourcing, price negotiation and order fulfilment including ISO's compliances.
• Preparation and execution of purchase requisition.
• Arrange timely delivery of material.
• Manage material / inventory level at sites and ensure the target level is met but not overstock.
• Manage the Company’s material, assets and equipment / machinery rental at sites and ensure within budget.
• Perform cost analysis and generate reports.
• Meet subcontractors and suppliers onsite as necessary.
• Manage equipment and/or machinery rental.
• Any other duties that may be assigned.

Jobscopes of the position Includes:

1) Customer Service

2) Arrange Servicing Schedule with customer

3) Arrange Installation Schedule with customer

4) Keep track contract renewal

5) Keep and maintain records (Data Entry)

6) Provide Quotation

7) Ordering of stocks

and Any Ad-hoc Duty assigned when required.

Job Description & Requirements

- To perform the full spectrum of coordination and administrative duties,including invoicing, data entry, documents filling etc.

- Efficient document management such as printing and filing of the documents.

- Assist with day to day operations of the office.

Benefits:

- Annual leave, medical leave, and public holidays in accordance with local labor laws.

Position Overview:

The HR and Admin Executive will assist to ensure that the department’s day-to-day operations are running smoothly; recruitment, payroll, admin and training.

HR Processes | Office Management responsibilities:

• Update Employee Handbook and Policies
• Prepare Contracts of Employment, review Salary offers (to be approved by GM)
• Execute and Support HR processes (includes Payroll, Hiring, Onboarding/ Exit processes, Performance Management, Objective Settings, Training and Development enrolment, FWA, follow through on MOM obligations, manage work pass/ foreign employment applications etc.)
• Consistently update and provide support in PDPA
• Submission of statistics & report to government bodies
• Processing & applying available grants with relevant Government departments
• Assist in organizing company events & activities
• Handle contracts and renewals
• Organize and maintain files on all insurances, patents, licenses, certifications and trademarks
• Manage office efficiency and cost relating to: office stationery, pantry requisition, cleaning service and office equipment procurement
• Maintain the office & equipment condition & proactively coordinate necessary maintenance & repairs in partnership with Production Supervisor
• Liaise with all facility management vendors (including cleaning, security services, building maintenance)
• Source, negotiate, select and manage list of preferred vendors for all offices & shops
• Ensure Health & Workplace Safety standards are met
• Support IT related matters (at HQ & retail shop), as point of contact, maintaining back-up & disaster recovery plan

HIGHLIGHTS:

• Attractive BONUS + Extra Incentives
• One-on-one coaching system
• Career Progression
• Frequent Bonding Events
• Personal Development Training

RESPONSIBILITIES:

• Ensuring a company is operating securely and effectively
• Administering employee-related services such as payroll, training, and benefits
• Preparing and reviewing operational reports
• Leading and/or participating in meetings
• Assisting managers in compiling annual budget information and reports
• Maintaining all policies and procedures manuals
• Hiring and training administrative staff
• Delegating tasks to administrative assistants
• Creating personnel folders for new hires
• Monitoring and projecting staffing needs
• Overseeing department budget planning and development
• Managing and maintaining all department databases

REQUIREMENTS:

• Team Player
• Good Learning Attitude
• Citizen or PR preferred

Roles & Responsibilities:

Job Responsibilities:

• Manage and provide support to customers and managers
• Perform sales administrative and order management functions
• Handle customer enquiries and correspondences
• Liaise with various departments on planning, delivery, quality, engineering and registration matters
• Provide design and administrative support in marketing materials and corporate website
• Any other sales administration and marketing related duties as assigned
• Working Hours : Mon to Fri (8.00 am to 5.00pm) & Sat (8.00am to 12.00pm)

Job Requirements:

• Diploma in Business Administration/ Engineering
• Fresh ITE/Polytechnic/University graduate are welcome to apply
• Good communication and interpersonal skills
• Meticulous and Adaptable
• Proficient in Microsoft Office.
• Adobe Photoshop Illustrator & Autocad 2D will be an added advantage
• Salary will commensurate with qualifications and experience

• Document Collection & Verification:

• Gather invoices, receipts, and other financial documents from subcontractors, suppliers, and other project stakeholders.
• Ensure all documents are complete, accurate, and meet project or company standards.
• Follow up with vendors or internal teams to resolve missing or incomplete documentation.

• Data Entry & Accounting System Maintenance:
• Input financial data from collected documents into the company’s accounting software or system.
  Verify that all information is accurately recorded, including project-specific costs and materials.
  Maintain detailed accounts, including job costing, revenue, and bank reconciliations.
  
• Vendor Invoice Processing:
• Process incoming vendor invoices and match them with purchase orders, contracts, or delivery receipts.
  Prepare payment schedules and ensure timely payments to vendors, suppliers, and subcontractors.

Financial Reporting & Reconciliation:

• Prepare regular financial reports for construction projects, such as daily or weekly cost summaries.
• Maintain and update accounts receivable (AR) and accounts payable (AP) aging reports.
• Perform bank reconciliations and ensure accurate tracking of project-related expenses.

Payroll Support:

• Assist in processing payroll for project teams, including tracking hours worked, calculating overtime, and managing deductions for labor costs.
  

Responsibilities

• Cut tiles and shape them properly to ensure they fit around obstacles and in tight corners and odd spaces using power and hand tools.
• Form tile beds using concrete, plaster, mastic, cement, glue or mortar utilizing tools such as screeds, brushes and trowels
• Align tiles and straighten them with straightedges, levels and squares to ensure patterns are even and precise
• Cut, install, polish and surface granite and marble and ensure accuracy during the installation process for lasting results
• Prepare various surfaces for tiling with waterproofing material or lath and by cleaning the surfaces properly
• Create decorative wall and floor designs by laying and setting mosaic tiles in kitchens, bathrooms and living rooms
• Tap tiles into place carefully using tools to properly adhere tiles to the base, making sure not to break or damage tiles
• Follow blueprints precisely and mark and measure surfaces that need to be tiled to determine how to go about jobs.

Requirements:

• Min 2 Years relevant working experiences.
• Willingness to work in non-climate-controlled conditions (heat, cold, outdoors).
• Ability to lift heavy materials and equipment.
• Excellent customer service skills.

Availability: Immediate

JOB REQUIREMENTS

1. Strong Accounts background
2. Able to work independently
3. Good communication skill
4. Deligent and meticulous

JOB DESCRIPTION

Accounts Payable

Monitor and ensure data of inventories/ invoices/ vendor particulars are input into the Accounting System.
Ensure all documentations are well received, invoices tally with delivery orders and ensuring payment are promptly issued within credit term.
Generating of payment vouchers and issuance of cheques.
Ensure payment are immediately entered into the Accounting System upon payment.
Proper filing and book keeping.

Accounts Receivable

Generating invoices accordingly to certified payment.
Follow up on accounts receivable with relevant clients.
Ensure timely collection of payment.
Keeping proper documentations and paper trail regarding related AR matters.

Monitoring of Project

Generate weekly (WIP) Work-in-progress report to reflect revenue, COGS, labour costs and other operating expenses to derive the profitability of the week.
Ensure timely and justifiable certification of payment are provided by Clients.
Keep track of progress claim status and Accounts Receivable.

Finalization of Project

Generate report to reflect the statistics of man-hours/ COGS/ operating expenses and update to system for future reference.
Finalize payment and keep track of retention amount and time frame.
Final settlement of payment and record project reference into “Completed projects”.

Administrative Duties/ Others

Generating of invoices, payment vouchers and other related documents.
Ensure neat and tidy book keeping.
Assist with issuance of wages to workers and breaking down into the appropriate monetary denominations.
Fulfil any other ad-hoc duties as and when assigned by Superior/ Management.
Reimbursement to employees / Petty cash.
Generate weekly reports for Management review. (Progress Claim status, WIP and Accounts Receivable)
Handle GST quarterly report and filing, Form C-S/C submission.
Liaise with auditors for statutory reporting and compliance.

Coordinate with Human Resource and Logistics