G3 Systems Ltd
Jul 13, 2026
Full time
Site Manager (Mechanical) Africa Location: Africa Location (Overseas Deployment) Salary: Starting from £70,000 per annum (dependent upon experience) Contract: Full Time Join G3 Systems G3 Systems Ltd is a specialist provider of deployable infrastructure, construction and engineering solutions, delivering complex projects for government, defence and commercial clients across the globe. We are seeking an experienced Site Manager (Mechanical) to support the delivery of major overseas construction projects across Africa, primarily on behalf of the UK Foreign, Commonwealth & Development Office (FCDO). This is an excellent opportunity for a highly motivated mechanical professional who thrives in challenging international environments and is passionate about delivering projects safely, efficiently and to the highest quality standards. The Role The Site Manager (Mechanical) is responsible for the safe, efficient and compliant delivery of all mechanical installation activities across G3 Systems' overseas construction and infrastructure projects. Working on complex defence, government and commercial programmes throughout Africa, you will provide on-site leadership, ensuring that all mechanical works are delivered safely, on programme, within budget and in accordance with contractual, engineering and quality requirements. You will lead multidisciplinary site teams, subcontractors and locally employed personnel whilst maintaining strong client relationships and ensuring compliance with company procedures, contractual obligations and Health, Safety & Environmental standards. Key Responsibilities Manage all mechanical construction and installation activities on assigned overseas projects. Lead, supervise and coordinate site-based mechanical engineers, supervisors, technicians and subcontractors. Ensure all works are delivered safely in accordance with company Health, Safety & Environmental policies and procedures. Plan and coordinate daily and weekly site activities to achieve programme milestones. Coordinate mechanical installation works with civil, structural and electrical disciplines. Review engineering drawings, specifications and technical documentation to ensure accurate installation. Ensure all mechanical systems are installed in accordance with project specifications, recognised standards and client requirements. Monitor quality of workmanship and ensure inspections, testing and quality assurance activities are completed. Identify construction risks and implement effective mitigation measures. Produce progress reports, site diaries, quality records and completion documentation. Manage subcontractor performance, productivity and contractual compliance. Support commissioning, testing and project handover activities. Manage labour, plant, materials and equipment to maximise efficiency and productivity. Support procurement by identifying material requirements and monitoring deliveries. Record and report variations, delays, risks and site issues. Maintain effective communication with the Project Manager, engineering teams and client representatives. Promote a proactive safety culture and continuous improvement throughout project delivery. About You You will be an experienced Mechanical Site Manager with a proven track record of delivering mechanical building services and infrastructure projects within demanding environments. You will possess excellent leadership, organisational and communication skills and be capable of managing diverse teams while maintaining exceptional standards of safety, quality and programme performance. Essential Qualifications HNC/HND or Degree in Mechanical Engineering or a related engineering discipline. Valid CSCS Managers Card (or internationally recognised equivalent). SMSTS (Site Management Safety Training Scheme) or equivalent. First Aid at Work qualification (or willingness to obtain prior to deployment). Essential Experience & Skills Significant experience managing mechanical installation works on construction or infrastructure projects. Experience delivering complex engineering projects within challenging overseas environments. Proven ability to manage subcontractors and multicultural workforces. Strong technical knowledge of HVAC, plumbing, mechanical building services and associated mechanical systems. Ability to interpret engineering drawings, specifications and technical documentation. Demonstrable experience managing project programmes, quality assurance and site safety. Strong organisational, planning and problem-solving skills. Excellent communication and stakeholder management abilities. Desirable Experience Experience working under NEC Engineering and Construction Contracts or similar forms of contract. Previous experience delivering defence, government, embassy or other secure infrastructure projects. Previous overseas deployment experience, particularly within Africa or remote locations. What We Offer Competitive salary starting from £70,000 per annum, with the opportunity to offer more for candidates with exceptional experience. Overseas deployment package including accommodation, travel and project-related allowances (where applicable). 45-hour working week (project dependent). 25 days annual leave plus public holidays (pro rata where applicable). Cigna International Medical Cover. Company Pension Scheme. Life Assurance (3.5 x annual salary). Salary Sacrifice Schemes, including Electric Vehicle and Cycle to Work. Employee Assistance Programme. Ongoing professional development and training. Opportunities to work on prestigious international infrastructure and government programmes. Security Requirements Due to the nature of our projects, successful applicants will be required to satisfy pre-employment screening and may be required to obtain and maintain UK security clearance appropriate to the role. Equality, Diversity & Inclusion G3 Systems is committed to creating an inclusive workplace where everyone is treated with dignity and respect. We welcome applications from suitably qualified candidates regardless of age, disability, gender identity, marriage or civil partnership status, pregnancy or maternity, race, religion or belief, sex or sexual orientation. If you are an experienced Mechanical Site Manager looking to develop your career on challenging international projects, we would be delighted to hear from you. JBRP1_UKTJ