Construction Site Manager

Construction Site Manager

The Construction Site Manager plays a pivotal role in delivering the safe, efficient, and high-quality construction of a 200MW/800MWh Battery Energy Storage System (BESS) project. The position is focused on overseeing all site-based activities, ensuring works are executed in line with design specifications, programme requirements, and construction best practices, while effectively managing contractors, resources, and interfaces on site. This role is central to driving construction performance, maintaining strict control of health and safety, quality, and productivity throughout all phases of the build. It supports the successful progression from early works through to commissioning by proactively managing site risks, resolving technical and logistical challenges, and fostering a disciplined, delivery-focused culture that ensures the project is completed on time, within budget, and to the highest construction standards.

Key Responsibilities

As a Construction Site Manager, you will take full responsibility for the day to day management of site activities, ensuring all works are delivered safely, efficiently, and in line with the project programme and technical requirements. You will work directly with the Project Management Team maintaining clear oversight of progress, productivity, and quality across all construction phases. This is a broad and varied role with the opportunity to have massive impact. Key responsibilities include:

• Take full responsibility for the day-to-day management of all on-site construction activities;
• Enforce high standards of health, safety, and environmental compliance across site;
• Act as the primary on-site point of contact for project managers, engineers, and stakeholders;
• Liaise and support the Principal Contractor (PC) to coordinate and supervise contractors, subcontractors, and trades across multiple work fronts ensuring alignment with Employers Requirements and contractual commitments;
• Support and oversee PC ensuring that planning and sequence on site works ensure efficient delivery in line with the project programmes;
• Collaborate and support PC for the effective management of site logistics, including access, materials, plant, and resource allocation;
• Oversee civil, electrical, and mechanical installations, ensuring alignment with design specifications and contractual obligations;
• Monitor progress against key milestones and take proactive action to mitigate delays;
• Lead site briefings, watching briefs (as required), inspections, and audits, addressing risks and non-conformances promptly;
• Ensure quality control processes are followed, including inspections, testing, and documentation;
• Facilitate clear communication between all parties to resolve technical and logistical issues;
• Track and report on site performance, productivity, and programme status;
• Drive a culture of accountability, teamwork, and high performance on site;
• Ensure the project is delivered safely, on time, within budget, and to the highest construction standards

Skills, Knowledge and Expertise

The skills you'll need

• Proven site-based delivery experience on UK energy infrastructure with exposure to BESS and/or HV BOP works.
• Strong understanding of construction sequencing across civils + electrical + controls/SCADA.
• Solid grasp of CDM 2015, RAMS, PTW, and contractor management.
• High-quality reporting and a completion-focused mindset (evidence-based sign-off).
• Confident communicator able to challenge poor practice safely and professionally.
• Full UK driving licence and willingness to travel
• Demonstrable experience in reviewing Quality related documentation including QMP, ITP and raising NCRs

• Direct experience with BESS OEM packages (PCS/inverters, EMS, container systems, fire strategy integration).
• SMSTS/SSSTS; IOSH/NEBOSH.
• Familiarity with TO interface processes and grid compliance context (e.g., G99).
• AP/SAP experience (depending on owner model and project arrangements).

• Strong operational focus with a practical approach to safety and risk management.
• Ability to influence, coach, and engage teams across all levels.
• Proactive mindset with attention to detail and follow-through.
• Commitment to continuous improvement and building an open, learning culture.
• Strong written and verbal communication skills at all level

• Engineering or electrical qualification (apprenticeship/HNC/HND/degree) or equivalent experience;
• CSCS/ECS (as applicable)
• First Aid at Work (preferred)

Benefits

We're offering a competitive compensation package, including participation in our employee share scheme which rewards all employees for the growth of the business. You'll be awarded shares when you join, which will vest over four years - and as the business grows in size and value, so will your shares! We value our team's wellbeing and belonging so we invest approx £5,000 a year on a range of perks, benefits and wellbeing activities, including regular team socials and events.

• Up to 10% Company wide bonus based on company performance
• Hybrid working (blend of home and office working to suit individual needs)
• £2,000 per year to spend on your professional development
• Private medical cover with Bupa from day one with the option to add family members.
• Company Pension with 8% Contribution
• Enhanced parental leave, for all new parents:
  • 6 months fully paid primary carer leave
  • 3 months fully paid secondary carer leave
  • 10 days fully paid leave for fertility treatment
• Fun co-working office space in Shoreditch, London
• 1 month work from anywhere, for those with a travel bug
• 1 day green leave to do something good for the environment
• free lunch once a week - a great way to get to know people in the wider team
• dog friendly office, feel free to bring your pooch along
• Spill: our mental health benefit allowing every Fielder access to equal and unrestricted therapy and resources
• Regular, optional team socials designed to be inclusive for everyone (not just the pub goers!)
• Birthday carbon offset: a gift from Field to the world to celebrate your birthday