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Site Office Manager

Job in Plymouth, Devon, PL2, England, UK
Listing for: Costain
Full Time position
Listed on 2026-02-19
Job specializations:
  • Administrative/Clerical
    Office Administrator/ Coordinator, Administrative Management
Salary/Wage Range or Industry Benchmark: 60000 - 80000 GBP Yearly GBP 60000.00 80000.00 YEAR
Job Description & How to Apply Below

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Job Description

We require a Site Office Manager to support our project office in Plymouth

Your responsibility as Site Office Manager is to ensure the efficient, day-to-day administrative operation of the project office. Site office managers coordinate and oversee administrative duties as well as the coordination of any Facilities based functions within the Office. Responsibilities include Document Control, greeting visitors, managing office supplies and equipment, overseeing contractors carrying out Property repairs and inspections, owning budgets, supporting senior staff members with administrative tasks and management of Office based Soft Services such as Cleaning and Security.

This role is based full time on site in Plymouth

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Responsibilities
  • Assisting with the set up and administration of project systems and data for the Plymouth office
  • Manage all aspects of office duties.
  • To create a collaborative office environment to allow staff to thrive in.
  • Maintain office supplies and asset register.
  • Reception duties
  • Circulate team communications.
  • Document Control.
  • Assist onboarding process for new starters
  • Support the Wider Leadership Team with administration
  • Arrange attendance at seminars, conferences and training courses
  • Book and set up meeting rooms and telephone conferences

    Document Management
  • Organising events for Projects
Qualifications
  • Experience is a similar role is essential.
  • Good interpersonal skills
  • Document control experience
  • Innovative, flexible and willing to adapt
  • Ability to influence and persuade
  • Proficient in the Microsoft Office suite and good general IT literacy
  • Excellent communicator both written and verbally
  • Self‑motivated
  • Be able to work to tight deadlines
  • To be able to collaborate across a wide team and gather information
  • Meticulous in data entry and checking quality of output
  • Excellent organisation skills
  • Minute taking, booking meeting rooms, hot desks and managing diaries of senior management
  • Pro‑active and quick learner
About Us

Costain helps to improve people's lives with integrated, leading edge, smart infrastructure solutions across the UK's energy, water, transportation and defence markets. We help our clients improve their business performance by increasing capacity, improving customer service, safeguarding security, enhancing resilience, decarbonising and delivering increased efficiency. Our vision is to be the UK's leading smart infrastructure solutions company. We will achieve this by focusing on blue chip clients whose major spending plans are underpinned by strategic national needs, regulatory commitments, legislation or essential performance requirements.

We offer our clients leading edge solutions that are digitally optimised through the following five services which cover the whole lifecycle of their assets: future‑shaping strategic consultancy; consultancy and advisory; digital technology solutions; asset optimisation and complex programme delivery. Our culture and values underpin everything we do.

Costain appreciate the time and effort taken when applying for one of our positions but, due to the high volume of responses, we are unable to provide individual feedback on candidates at application phase.

We do share individual feedback following an interview.

A Disability Confident employer will generally offer an interview to any applicant that disclose they have a disability and meets the minimum criteria for the job as defined by the employer.

It is important to note that in certain recruitment situations such as high‑volume, seasonal and high‑peak times, the employer may wish to limit the overall numbers of interviews offered to both disabled people and non‑disabled people.

For more details please go to the Disability Confident website:

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