Admin Office Manager

Admin Office Manager
Project:
Sizewell C (Site Based)

Reports to:

Project Manager
Contractor:
Specialist civil and Environmental Engineering Contractor

Why This Role is Great
Long-term freelance opportunity on a major national infrastructure project
Work on the Sizewell C marine and civil engineering programme
Central role supporting project delivery, compliance, and communication
Exposure to senior project meetings and key decision-making processes
Opportunity to develop skills in document control, planning, logistics, and HSQE administration

Role Overview
We are seeking an experienced Office Manager and Document Controller to support site administration for Sizewell

C. The role is responsible for managing project information, tracking senior project meetings and actions, and ensuring compliance and programme progress. Acting as the central administrative hub, this role is critical to maintaining project control and communication standards.

Key Responsibilities

Document Control and Information Management
Oversee incoming/outgoing drawings and project documents
Maintain registers, revision logs, submission trackers, and EDMS/SharePoint systems
Ensure current revisions are available at point of use
Track all project correspondence and issue client submission packs
Support Engineering Manager with design approvals and standards tracking

Programme, Planning, and Senior Meeting Support
Administer three week lookahead and weekly work plan distribution
Schedule and track senior project meetings, recording and following up on actions
Maintain milestone and key date trackers
Prepare weekly project summary reports covering risks, ageing RFIs, constraints, and upcoming audits

Commercial and Cost Administration
Maintain registers for Early Warnings and Compensation Events
Track timesheets, plant returns, and supporting records
Support weekly material, plant, and waste reporting
Assist with cost data collation and commercial trackers

Logistics and Site Coordination
Support logistics planning and bookings, liaising with procurement and suppliers
Maintain personnel databases, site access, vehicle pass, and visitor systems
Investigate and resolve logistics issues

Health, Safety, Environmental and Quality Administration
Maintain training, competency, and certification trackers
Administer inspection records and incident/near miss registers
Manage waste tracking and environmental documentation
Support HSQE audits and compliance reporting

Onboarding and Security Clearance
Manage security clearance documentation and submissions
Coordinate inductions, onboarding, and workforce compliance
Track outstanding documentation and site access requirements

Skills and Experience

Essential

CSCS card
Valid driving licence
Experience in site-based administration and document control
EDMS experience such as Project Wise or Share Point
Strong Microsoft Office skills
Excellent written and verbal communication
Highly organised with strong attention to detail Desirable

Degree or HND/HNC in Business, IT, or Information Management
Document Control certification
Knowledge of Datascope or CEMAR
BIM awareness

Personal Attributes
Proactive, self motivated, and structured
Calm under pressure and professional
Analytical with strong attention to detail
Collaborative with effective communication
Committed to compliance, quality, and safety

This role offers the chance to play a key administrative and coordination role on one of the UK’s most significant infrastructure projects, ensuring project information, meetings, and actions are effectively tracked to support smooth delivery at Sizewell

C.

If this sounds of interest, I’d love to have a quick chat to discuss your experience and the role in more detail. (phone number removed) or send across your CV.

Know someone perfect for this role? We also offer a referral bonus for successful introductions