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Site Engineer

Hounslow, Middlesex, United KingdomPosted Oct 26, 2026

Job description

We are seeking a highly motivated Site Engineer to join our team delivering a major civils package at Heathrow Airport. The successful candidate will play a key role in the day-to-day engineering control, setting out, and quality delivery of link bridge foundations and structures, working closely with both self-delivery teams and subcontractors.

This position offers the opportunity to contribute to a high-profile infrastructure project in a complex live airport environment. #LI-JK1 Responsibilities; ● Execute precise setting-out and engineering control for link bridge foundations, reinforced concrete (RC), groundworks, and structural civils. ● Review, interpret, and work from technical drawings, specifications, and design packages to ensure accurate execution on site.

● Assist in technical input and design coordination, particularly regarding structural elements and cladding interfaces. ● Carry out quality control inspections, managing accurate Inspection & Test Plans (ITPs), permits to work, and maintaining detailed site daily records/shift logs. ● Assist with the preparation and implementation of Method Statements, Risk Assessments (RAMS), and Quality Checklists.

● Provide technical guidance and day-to-day engineering support to operational site teams and subcontractors on site. ● Monitor live site works to ensure all operations strictly comply with health, safety, environmental, and quality standards. ● Support the Section Engineer and Site Manager with daily planning, task briefings, sequencing, and tracking progress against the programme.

● Assist in managing temporary works checks and ensuring safe systems of work are maintained on site. Knowledge, Skills, and Experience Essential ● Proven experience as a Site Engineer with a Tier 1 or Tier 2 main contractor. Hands-on setting-out experience using modern surveying equipment (Robotic Total Station, GPS, Leica equipment).

● Strong technical understanding of RC frames, deep foundations, groundworks, and structural interfaces/cladding packages. ● Practical knowledge of quality compliance processes (ITPs, as-builts, material testing, and QA sign-offs). ● Excellent communication, problem-solving, and team-working skills. ● Heathrow Airport or other major infrastructure/live transport environment experience is highly advantageous.

● Valid CSCS card (Civil Engineering/Engineer) and relevant site safety qualifications (SSSTS or SMSTS desirable). Desirable Experience in working on a similar project is desirable but not essential.

What We Offer

● Opportunity to work on one of the UK’s flagship aviation infrastructure projects. ● Competitive salary and package. ● Career development and progression paths toward Section Engineer within a leading Tier 1 contractor. ● A collaborative, supportive, and safety-focused working environment. Essential Civil Engineering related qualification (HNC, HND BSc, MSc, BEng, Meng) SMSTS First Aid Desirable Appointed Person, lifting training is an advantage Mental Health First Aid Fire Marshalling

Description copied from Costain's careers page. Read the full posting before you apply.

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