Mission freelance Site Engineer

A client of ours are looking for a Site Engineer for their 400kV substation project in the Dorset area.

This would be a 6-month rolling contract starting 16/02/2026, with the project itself lasting 1 year.

Job Summary:

To assist the site manager, oversee and assist the works on site including interfacing with and sensibly monitoring any subcontractors whilst feeding back the necessary information to the site manager. You will be a technical advisor to subcontractors and assist with quality control and assurance.

Job Duties:

• Maintain and interpret site drawings, topographical drawings, construction drawings, rebar drawing and rebar schedules.
• Setting out, levelling, and surveying the site.
• Verifying Sub-Contractors works including checking setting out co-ordinates and levels are compliant with AFC drawings.
• Be a point of contact for the site team/client/gangers/sub-contractors to assist with the progression of works and carry out any inspections required
• Maintain records, site diary, quality assurance documentation, reports and records.
• Record and report as-built data
• Collate final handover packages including updating as-built drawings
• Offering technical advice on a construction site for subcontractors and operatives
• Manage and co-ordinate temporary works in the role of TWC
• Ensuring that all materials used onsite meet the standards and specifications required
• Ensure all installations adhere to the required quality plans including SQP, PQP and ITPs
• Identification, communication and undertaking of all Witness and hold points for the installation works
• Management of the Technical Query and RFI process in a timely manner onsite including updating of the TQ & RFI registers
• Liaising with any consultants, subcontractors, supervisors, planners, quantity surveyors and the general workforce involved in the project
• Support the Site Manager to plan the work efficiently in order to meet agreed deadlines.
• Support quality control and health and safety matters on site.
• Support all required Quality Assurance activities
• Understand the Company Health & Safety and Environmental (SHE) Policies and Processes and statutory requirements as they affect the company's operations and ensure the requirements are implemented.
• Help Deliver the planned work safely and on time, adhering to the requirements of the client
• Produce reports or provide information in a timely manner
• Attend and cascade briefings as directed and in a timely manner
• To provide sufficient and timely guidance, assessment and coaching to ensure sub-contractors are performing to agreed production levels
• To maintain own levels of skill and knowledge to do the job effectively
• To perform other duties as directed by your line manager or management team
• To comply with the relevant Company HSQE and welfare policy provisions
• To support client and ensure all agreed KPIs are met or exceeded
• Ensure works are delivered to a programme whilst maintaining the highest standards of health and safety
• Lead by example in health, safety, quality & environmental management.
• Assist with the implementation of Safe Systems of Work including issuing Permits to Dig
• Ensure compliance to the construction drawings and confirm setting out locations on site

Job Requirement:

• Full UK driving licence
• National Grid Person
• IOSHH Managing Safely or SMSTS or SSSTS
• CSCS or CCNSG Safety Passport
• Minimum 5 years' experience in the T&D industry in a site engineer role, preferably on National Grid sites
• Temporary Works Coordinator or Supervisor experience

Please click to find out more about our Key Information Documents. Please note that the documents provided contain generic information. If we are successful in finding you an assignment, you will receive a Key Information Document which will be specific to the vendor set-up you have chosen and your placement.

To find out more about Progressive please visit

Progressive Recruitment, a trading division of SThree Partnership LLP is acting as an Employment Business in relation to this vacancy | Registered office | 8 Bishopsgate, London, EC2N 4BQ, United Kingdom | Partnership Number | OC387148 England and Wales