Administrator

Key Responsibilities

A) Construction Phase (Primary)

• Contractor Coordination
  • Act as the on-site focal point supporting the Project Manager.
  • Work with Document Controller to serve as first point of contact for document receipt/logging from General Contractor, piling, and specialty contractors (submittals, RFIs, method statements, permits, inspection reports).
  • Follow-up Document Controller to track document status and dependencies; route to reviewers; maintain a clean register with due dates and approvals.
• Site Visit & Management Logistics
  • Plan and book vans, hotels, meeting rooms, access badges, PPE, and site escorting for management/visitor tours.
  • Prepare visit agendas, contact lists, and onsite packs (HSE briefing, maps, emergency numbers).
• Meeting Operations
  • Organize site construction meetings; circulate agendas; record minutes, decisions, and action owners; follow through to closure.
• HSE & Compliance Admin
  • Maintain visitor logs, induction records, permit-to-work logs, and incident/near-miss admin files per site rules.
• Reporting & Controls
  • Compile weekly/monthly dashboards (progress snapshots, action logs, submittal/RFI aging, visit calendar).
  • Maintain registers: drawing transmittals, NCRs, punch list, and handover dossiers.

B) Travel & Expense (Concur)

• Create travel requests/itineraries for management and project staff (flights, hotels, ground transport) in line with policy.
• Prepare and audit expense claims; ensure receipts/compliance; submit in Concur; track reimbursements and aging.
• Coordinate with Finance team for the reimbursements.

C) Operations Phase (Production)

• Plant Admin Support
  • Support Plant Manager with meeting cadence, shift rosters distribution, visitor management, vendor PO/GR admin, and document archiving.
• Facilities & Vendor Coordination
  • Coordinate routine contractor/service provider visits (maintenance, calibration, waste, utilities) and keep service logs current.
• Document Controller
  • Keep SOPs/templates current; propose process simplifications for operations document control system (numbering, metadata, revision control, and distribution matrix).

Required Qualifications

• Diploma/Bachelor's in Business Administration, Engineering Admin, or related field.
• 3+ years' experience in project/site administration or plant admin; construction/industrial setting preferred.
• Proficient in MS Office (Excel, PowerPoint, SharePoint/Teams); strong file/version control discipline.
• Experience with Concur (or an equivalent T&E system) for bookings and expense claims is an advantage.
• Strong English and Thai communication; clear, concise business writing.
• High reliability under time pressure; able to manage multiple parallel requests at site.
• Basic knowledge of HSE site protocols.
• Familiarity with construction documentation (submittals, RFIs, ITPs, permits).

Tools & Systems

• Microsoft 365 (Outlook, Excel, PowerPoint, SharePoint/Teams), Concur, site access/badge systems, scanner/printer.

Application Notes

Candidates should be comfortable working at a live construction site, interfacing with multiple contractors, and switching seamlessly to plant administrative routines after handover.

#LI-DNI

Globally, our policy is to recruit individuals from wide and diverse backgrounds. However, certain positions require access to controlled goods and technologies subject to various export control regulations.  Applicants for these positions may be limited (by, for example, their countries of citizenship, country of origin, or immigration status) where required by law or governmental contact, and/or employment made contingent upon the issuance of appropriate governmental licensing.

MKS Inc. and its affiliates and subsidiaries ("MKS") is an affirmative action and equal opportunity employer: diverse candidates are encouraged to apply. We win as a team and are committed to recruiting and hiring qualified applicants regardless of race, color, national origin, sex (including pregnancy and pregnancy-related conditions), religion, age, ancestry, physical or mental disability or handicap, marital status, membership in the uniformed services, veteran status, sexual orientation, gender identity or expression, genetic information, or any other category protected by applicable law. Hiring decisions are based on merit, qualifications and business needs. We conduct background checks and drug screens, in accordance with applicable law and company policies.  MKS is generally only hiring candidates who reside in states where we are registered to do business.

MKS is committed to working with and providing reasonable accommodations to qualified individuals with disabilities. If you need a reasonable accommodation during the application or interview process due to a disability, please contact us at:  .

If applying for a specific job, please include the requisition number (ex: RXXXX), the title and location of the role