Admin Assistant (Projects)

KOON SENG ENGINEERING AND CONSTRUCTION PTE. LTD.Singaporemycareersfuturepublished 11/10/2026

Koon Seng Engineering & Construction is a specialist subcontractor in plumbing & sanitary, auto-irrigation and rainwater harvesting systems, running about 30 concurrent projects across Singapore.

We are looking for an Admin Assistant to support our project teams with administrative work. This is a part-time, office-based role of about 30 hours a week, with core hours of 10 a.m. to 3 p.m. and the remaining hours flexible. You will own the project paperwork, so our engineers can focus on the work on site.

Responsibilities

Site access and safety documents

  • Prepare and submit worker documents to main contractors for site access (worker lists, work permit copies, safety course certificates, insurance)
  • Submit safety documents requested by main contractors (risk assessments, safe work procedures, permits-to-work) and follow up until accepted
  • Maintain a tracker of worker certificate and permit expiry dates and flag upcoming expiries

Document control

  • File incoming documents (drawings, delivery orders, site instructions, test reports, correspondence) into project folders
  • Print and prepare drawing sets and document packs for project teams

Project support

  • Compile supporting documents for monthly progress claims
  • Handle calls and emails from main contractors and suppliers and route them to the right person

Requirements

  • GCE ’N’/’O’ Level, ITE, Diploma or equivalent
  • Organised and detail-oriented, able to manage documents across multiple projects
  • Proficient in Microsoft Word and Excel; comfortable with email and PDF tools
  • Working English, written and spoken
  • Fresh school leavers and those returning to work are welcome; prior admin experience in construction is an advantage