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Sub Agent Jobs (On-site work)

14 Job Offers

New
Sub Agent
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United Kingdom , Porthmadog
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Salary
55000.00 - 60000.00 GBP / Year
rullion.co.uk Logo
Rullion
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Until further notice
New
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United Kingdom , Peterborough
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Not provided
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Social Value Portal Ltd
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New
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United Kingdom , South Yorkshire
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40000.00 - 50000.00 GBP / Year
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Randstad
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A major Tier 1 contractor seeks an experienced Sub Agent for a high-profile urban regeneration project in Sheffield city centre. You will manage daily site operations, supervise multidisciplinary teams, and oversee NEC contracts on complex civil engineering and infrastructure works. Ideal candida...
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United Kingdom , Sheffield
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350.00 - 400.00 GBP / Day
ganymedesolutions.co.uk Logo
Ganymede
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Until further notice
Sub Agent
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United Kingdom , Wigan
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400.00 - 450.00 GBP / Day
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Randstad
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Sub Agent
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United Kingdom , Sheffield
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450.00 - 500.00 GBP / Day
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Ganymede
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Sub Agent
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United Kingdom , Newham
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450.00 - 500.00 GBP / Day
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Randstad
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Randstad CPE seeks a Sub Agent / Senior Engineer for a 12-month+ rail scheme in East London. Ideal candidates possess a BEng in civil engineering, a CSCS card, and rail experience. Key duties include managing subcontractors, site coordination, and ensuring high standards in drainage, piling, and ...
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United Kingdom , Newham
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Not provided
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Randstad
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Seeking an experienced **Sub Agent** for major highways infrastructure projects in **Norwich, UK**. You will manage site teams, subcontractors, and short-term programmes (MS Project/Primavera). Requires a Civil Engineering degree, SMSTS, CSCS Black/Gold Card, and proven National Highways experien...
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United Kingdom , Norwich
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Salary
400.00 - 450.00 GBP / Day
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Randstad
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Sub-Agent role based at Faslane, supporting the Clyde Framework. You will manage daily site operations, ensuring safe, on-time, and budget-compliant delivery. Requires HND/HNC, CSCS, SMSTS, and proven civil engineering experience. Ideal for a hands-on leader with strong planning and commercial sk...
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United Kingdom , Faslane
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Not provided
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Morgan Sindall Plc
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Step up as a Sub Agent on a major water infrastructure programme (AMP7/8). Take full ownership of heavy civils, pipeline, and shaft works on site in Portsmouth. This outside IR35 role requires a driven Civil Engineer with SMSTS and site management experience. Join a high-performing team for long-...
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United Kingdom , Portsmouth
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Ganymede
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Freelance Sub Agent role in Buckinghamshire for the HS2 rail project. Requires a construction/civil engineering qualification and experience in structures, highways, or earthworks. You will manage site engineering teams, ensure SHEQ compliance, and assist with construction strategy. Must have a v...
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United Kingdom , Calvert
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Not provided
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EKFB
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Seeking a Sub Agent for a major HS2 project in London. You will develop construction methodologies, manage site delivery, and ensure compliance with safety and quality standards. The role requires a civil engineering degree, strong contract knowledge, and experience in reinforced concrete or pili...
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United Kingdom , London
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Not provided
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Morson Talent
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Seeking a Sub Agent for a major energy project in Dinorwig, North Wales. You will manage the construction site, ensuring delivery against health & safety, quality, and cost objectives. Essential requirements include civil engineering experience, SMSTS, and a hands-on commercial approach. We offer...
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United Kingdom , Dinorwig, North Wales
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Not provided
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Morgan Sindall Plc
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Until further notice

About the Sub Agent role

Sub Agent jobs represent a critical mid-level management role within the civil engineering and infrastructure construction sectors. Serving as the right hand to a Site Agent or Project Manager, a Sub Agent is typically responsible for overseeing specific sections or work packages on large-scale construction sites, ensuring that projects are delivered safely, on time, within budget, and to the highest quality standards. This profession bridges the gap between hands-on site engineering and senior project leadership, making it an ideal stepping stone for experienced engineers looking to take on greater responsibility and move toward full project management.

The core responsibilities of a Sub Agent are diverse and demanding. On a daily basis, individuals in these roles coordinate site activities, supervise teams of engineers and section engineers, and manage direct labour and subcontractors. They are heavily involved in the planning and execution of construction strategies, from developing method statements and risk assessments to creating short-term programmes and managing resource allocation. A significant part of the role involves liaising between the client, design teams, and the wider project leadership to ensure that construction operations align with contract requirements. Sub Agents also play a key role in financial control, contributing to cost forecasting, site measurement, material reconciliations, and progress reporting. Health, safety, environment, and quality (SHEQ) management is a paramount concern, requiring constant vigilance and a proactive approach to maintaining compliance and best practices on site.

To succeed in Sub Agent jobs, professionals typically need a strong background in civil engineering, often supported by a relevant HNC, degree, or equivalent qualification. Essential technical skills include experience with heavy civils, structures, highways, utilities, pipelines, or earthworks. Practical knowledge of temporary works, confined spaces, and construction sequencing is highly valued. Mandatory certifications commonly include SMSTS (Site Management Safety Training Scheme) and a valid CSCS card (often at the gold, black, or white level). Additional qualifications such as First Aid, confined space training, or EUSR certification are frequently advantageous.

Beyond technical expertise, a successful Sub Agent must demonstrate exceptional leadership, communication, and coordination skills. The ability to run a section of works with minimal supervision, solve problems on the fly, and maintain clear reporting lines to senior management is crucial. This is a role for driven, disciplined individuals who are keen to progress their careers and take ownership of project delivery. Whether working on major infrastructure frameworks, water treatment facilities, or large-scale transport links, Sub Agent jobs offer a dynamic and rewarding career path for those ready to step up and make a tangible impact on the built environment.