Commercial Administrator

United Infrastructure Group Services Limited; Thame; On-site; GBP 25,000 - 35,000; Full time

Job summary

United Infrastructure is seeking a Commercial Assistant to support the commercial team across the full lifecycle of nationally significant infrastructure projects. You will measure completed works, approve subcontractor supply chain applications, and help manage contracts and payments.

Ideal candidates bring strong numerical and analytical skills, excellent Excel proficiency, and the ability to deliver accurate work under tight deadlines in a collaborative construction environment.

Qualifications

• Strong numerical and analytical skills.
• Proficiency in Microsoft Excel and Office.
• Attention to detail and accuracy under deadlines.
• Experience with standard measurement methods is beneficial.
• Familiarity with construction industry processes.

Responsibilities

• Support commercial team across full project lifecycle.
• Assist with measuring completed works and subcontractor supply chain applications.
• Manage contract administration and subcontractor payments.
• Prepare cost value reconciliations and Earned Value reports.
• Maintain robust commercial documentation and timely reporting.

Skills

Numerical analysis

Excel

Attention to detail

Communication

Teamwork

Time management

Education

GCSEs 5 including Maths & English

Level 4 qualification or equivalent

Tools

Microsoft Office

Job description

Job Advert Description

United Infrastructure is a dynamic and rapidly expanding business, focused on delivering critical infrastructure projects, across the utility and social infrastructure sectors. Our team of highly skilled and hardworking specialists deliver innovative solutions to the complex challenges our clients face. Our company is split into two business areas: Utility Infrastructure –Our team of Utility Infrastructure specialists design, build and maintain critical water, energy (gas), power and telecoms infrastructure, for the UK’s largest network owners and operators. Social Infrastructure - Our team of Social Infrastructure specialists revitalise homes and communities by carrying out a wide range of work, from retrofit to refurbishment, and maintenance. Working in partnership with our clients, which are the UK’s largest network owners and operators, we work on highly complex projects to deliver resilient infrastructure, meeting the needs of local communities as well as national interests. One of our key strengths lies in our ability to deliver projects nationally, but also ensuring that within each programme of work, we engage with local communities. We do this through employing people who are representative of the local communities we work in, training and developing them to take pride in the work they do, and to be responsible for delivering leading levels of performance across our projects.

Job Description

United Infrastructure is looking for an Commercial Assistant to join our team. As part of a dynamic, fast-growing division, you'll be at the heart of nationally significant infrastructure projects that will shape the UK’s future.

What You’ll Be Doing

As an Commercial Assistant you’ll be responsible for supporting the commercial team and contributing towards its success across the full lifecycle of each project — from Measuring completed works to Approving Sub contractor supply chain applications.

You will be supporting:

• Contract management in line with JTC ,NEC 3/4 (Options A & C)
• Subcontractor negotiations, payments, and performance tracking
• Deliver accurate and timely Completed works measures and Billing Processes
• Produce monthly Cost Value Reconciliation and generate Earned Value Analysis reports, whilst maintaining robust commercial documentation.

Qualifications

• Must have Experience in NHF SoR Rates or similar
• Bespoke Sor Rates
• Familiarity with the construction industry
• 5 GCSEs (or equivalent) at 9-4 (grade C or above), including Math, English, and ideally a Science
• Any previous Level 4 related qualification or equivalent discipline is advantageous
• Proficiency in Microsoft Office, with a strong emphasis on Excel
• Basic understanding of standard methods of measurement
• Strong numerical and analytical skills
• Ability to produce accurate work under tight deadlines
• Excellent attention to detail and organizational skills
• Strong communication and interpersonal skills
• Enthusiasm, commitment, and flexibility
• Willingness to take responsibility for own development and extend knowledge of software packages
• Ability to work collaboratively in a team environment
• Previous experience in the construction industry is desirable
• Full UK driving licence and flexibility to travel as required

Join us at United Infrastructure and be part of our mission to deliver innovative and sustainable solutions to the complex infrastructure needs of the UK.

Here at United Infrastructure, we invest in our people and firmly believe that our workforce is our most valuable asset. A driving force for success and the core to achieving our vision of creating a connected and sustainable future, our team is the heart of our organisation.

A fast-paced, diverse, and hugely ambitious business, we welcome challengers, innovators and people who embrace change. Establish yourself in a creative environment that champions freedom of expression, and supports you in your personal and professional development – because together, we achieve more.

United Infrastructure operates a direct sourcing model and does not accept speculative CVs from recruitment agencies. Any CVs submitted without prior agreement will be considered a gift and the candidate will be deemed to have been introduced directly. No fees will be payable in these circumstances.