Senior Site Engineer

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Sector: Rail & Civil Engineering

Location: Pontyclun, South Wales

We’re offering an exciting opportunity for a skilled and motivated Senior Site Engineer to join our growing team in Wales. You’ll play a key role in delivering a diverse portfolio of rail and civil engineering projects, spanning long‑term framework agreements and competitively tendered capital delivery schemes.

• Competitive salary (dependent on experience)
• Company car or car allowance
• 25 days’ holiday plus bank holidays (increasing with service)
• Up to 3 paid volunteer days
• Company contributory pension scheme
• Life insurance
• Westfield Health Cash Plan & Westfield Rewards
• Generous employee referral scheme
• Strong internal support structure with clear pathways for career development
• Continuous learning and development opportunities
• A safe, inclusive and supportive working environment
• Employee forums that ensure every voice is heard
• Access to leadership programmes, including Women in Leadership and Purposeful Leadership

• Rail infrastructure (bridges, embankments, stations, platforms, tunnels and more)
• Environment Agency projects
• Local Authority schemes
• Multi‑disciplinary civils projects across the region

Current programmes include CP6 infrastructure works, minor civils packages, and Environment Agency frameworks. Typical project scopes involve bridge reconstruction and replacement, structural upgrades and refurbishments, station enhancements (including Access for All), and a variety of structural works such as tunnels and footbridges.

As a Senior Site Engineer, you will report to the Site Agent or Project Manager and take ownership of the weekly planning and delivery of site‑based works. This role operates Monday to Friday, with regular weekend and night‑shift working to support possession‑based activities.

• Lead on‑site Safety, Health, Environmental and Quality (SHEQ) compliance across all activities
• Review and interpret project drawings, specifications and technical documentation
• Carry out accurate setting out and surveying
• Ensure engineering activities are delivered professionally, systematically and to the highest standards
• Supervise site operations, including direct labour, plant and subcontractors
• Maintain detailed and accurate site records, including daily diaries
• Manage material take‑offs and procurement
• Plan and coordinate daily and weekly works, including weekend/night possession activities
• Support the development of Risk Assessments, Work Package Plans, Inspection Test Plans and associated documentation
• Provide day‑to‑day leadership and support to subcontractors and junior engineers

To thrive in this role, you’ll bring proven experience as a Site Engineer, ideally within rail or multi‑disciplinary civil engineering environments. You’ll be confident in setting out, planning works, and leading site teams in a fast‑moving project environment.

• Degree, HNC or HND in Civil Engineering
• PTS (Personal Track Safety)

• Strong setting out and surveying capability
• Experience planning and delivering site works, including producing and reviewing ITPs, WPPs and Task Briefs
• Working towards professional accreditation (e.g., CEng, MAPM) is desirable

If you’re a driven engineering professional looking to take the next step in your career and make a meaningful impact across major rail and civil engineering projects, we’d love to hear from you.

Amco Giffen is a reputable and firmly established engineering contractor operating nationally in rail, civils and engineering markets. We are renowned as a specialist in civil, building, mechanical and electrical renewals and maintenance with ongoing and successful projects and frameworks across the country.

You will be joining a team that has a wealth of experience working on sensitive, live assets in highly regulated environments, delivering exceptional peace of mind for our customers and maintaining assets across a growing range of high‑quality public and private sectors, including rail, power generation,…