Senior Estimator

Sector: Rail & Civil Engineering

Region: South Supporting Wales, Western and South East Business Units

Office Locations: Pontyclun ¦ Swanley ¦ Highbridge

We have an exciting opportunity for an experienced Senior Estimator to join our growing South Region Pre‑Contract Team, supporting a diverse portfolio of multi‑disciplinary rail and civil engineering projects. This role is central to our work-winning success across CP7 frameworks, rail infrastructure, and complex civil engineering schemes for key clients including Transport for Wales, Network Rail and the Environment Agency.

What We Offer

• Competitive salary (dependent on experience)
• Company Car or Car Allowance
• 25 days annual leave + bank holidays (increasing with length of service)
• Up to 3 volunteer days
• Company contributory pension scheme
• Life Insurance
• Medicash Health Cash Plan & Rewards
• A structured and well-supported development pathway, with opportunities to grow through internal leadership and talent programmes (including Purposeful Leadership, Women in Leadership and more)

Supportive, inclusive and safe working environment

Employee forums to ensure your voice is heard and valued

About AmcoGiffen

AmcoGiffen delivers an extensive range of civil engineering and infrastructure projects across the UK. Our Southern region is fast‑paced, collaborative, and involved in an impressive portfolio of pre‑contract and tendered works including:

• Bridges, footbridges & structures
• Embankments, earthworks & drainage
• Station improvements & platforms (including Access for All)
• Tunnels, strengthening & refurbishment
• Electrification & Plant works
• Minor works and national frameworks
• Multi-disciplinary rail infrastructure packages
  
  

You’ll be joining a highly engaged work‑winning team at an exciting time of growth, contributing to strategic tender activity and supporting major framework commitments.

The Role

As Senior Estimator, you will take ownership of tender opportunities across the South region, ensuring robust, accurate and commercially sound estimates are produced for a variety of civil engineering and rail schemes.

Key responsibilities include:

• Effective registration, control and administration of tender documentation
• Managing the full tender process from initial receipt through to final submission
• Preparing and presenting tender submissions at senior review meetings
• Liaising closely with the Supply Chain team to issue enquiries and assess subcontractor quotes
• Undertaking technical and commercial appraisals of labour, plant, materials and temporary works
• Completing take-offs and producing first‑principles cost build-ups
• Identifying, analysing and pricing project risks
• Producing high‑quality estimating reports and supporting documents
• Collaborating with internal proposals and contract management teams
• Supporting continuous improvement and knowledge sharing across the work‑winning function
  
  

About You

You will be an experienced Estimator or Senior Estimator with a strong background in rail and/or civil engineering, ideally gained within a contracting organisation.

Essential:

• First Principles Estimating experience
• Experience working on multi-disciplinary rail or civil engineering projects

Strong technical understanding of construction methodologies

Proficient with Excel and modern estimating software

Able to manage multiple tenders simultaneously in a fast-paced environment

Preferred:

• Previous site or operational experience before moving into Estimating
• Experience working within Network Rail frameworks (CP6 / CP7)
  
  

The Company

Why AmcoGiffen?

You will be joining a reputable and firmly established, engineering contractor operating nationally in rail, civils and engineering markets. AmcoGiffen are renowned in the market as a specialist civil, building, mechanical and electrical renewals and maintenance business with ongoing and successful projects and frameworks across the country, you will become part of our expert outfit.

AmcoGiffen has a wealth of experience working on sensitive, live assets in highly regulated environments, we deliver exceptional peace of mind for our customers, creating and maintaining assets across a growing range of high-quality public and private sectors. These include rail, power generation, electricity distribution, flood defence, aviation, waterways and much more.

Diversity & Inclusion at AmcoGiffen

We value collective expertise, but also the spark that one person can bring. As one of us, you can be you, because your individuality is an asset to our business and the communities in which we work and represent.

We are working hard as part of the civil engineering and construction industry, to improve diversity & inclusion. Our Diversity and inclusion journey at AmcoGiffen, is constantly evolving and is designed to break down barriers and promote the principles of a diverse workforce through multiple channels. This includes delivering training, raising awareness, regular forums and sharing our engagement calendar of activities and events to encourage participation at all levels throughout our organisation.

Diversity & Inclusion is embodied throughout our SPIRIT core Business values and lies at the heart of our culture of Safety, Professionalism, Innovation, Respect, Integrity and Teamwork.

AmcoGiffen is an Equal Opportunities Employer, offering challenging, worthwhile careers to everyone and is pro-actively committed to improving our understanding year on year to foster a diverse and inclusive environment for all employees as well as for the customers and communities in which we serve and operate within. It doesn’t matter to us what your age, disability, employment status, gender, health, marital status, sexual preference, membership or non-membership of a trade union, nationality, race, religion or social class are, or indeed any other personal characteristics not directly related to the relevant job. Anyone who meets the requirements of the job is eligible for employment with AmcoGiffen.

Health & Wellbeing

Operating from a people first perspective we support safety and wellbeing in the workplace as a priority. We have large number of colleagues that are trained and qualified mental health first aiders to support and listen where appropriate. We enrol all of the AmcoGiffen family onto an employee assistance programme which provides 24 hour, 7 days a week counselling and advice services.

Is AmcoGiffen your next career challenge? If so, apply now!

For more information or to arrange a private and confidential discussion about AmcoGiffen career opportunities, please contact our Recruitment Team:

tom.peach@amcogiffen.co.uk

Recruitment Manager