OCS
Senior Mechanical Project Manager
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About The Role
We are seeking an experienced Senior Mechanical Project Manager to join our Projects Division. The successful candidate will be responsible for leading mechanical building-services projects from initial scope and design development through to installation, commissioning and final handover, ensuring projects are delivered safely, on time, within budget and to the highest quality standards.
This is a project-delivery role focused on physical mechanical works, including heating, ventilation, cooling, pipework, plant replacement and associated building-services installations.
You will manage the technical, commercial and operational delivery of projects while coordinating clients, engineers, subcontractors, suppliers and internal teams.
Key Responsibilities
- Manage mechanical installation, replacement, upgrade and refurbishment projects.
- Lead projects from initial scope and design development through to final handover.
- Develop project programmes, delivery plans and resource schedules.
- Review technical drawings, specifications and scopes of work.
- Coordinate engineers, subcontractors, suppliers and site activities.
- Monitor project progress and address potential delays or delivery risks.
- Manage budgets, variations, forecasts and WIP with the Commercial team.
- Ensure compliance with technical standards, client requirements and CDM Regulations.
- Produce and review RAMS and other project documentation.
- Lead project meetings and provide progress reports to clients and stakeholders.
- Manage testing, commissioning, snagging and final handover.
- Ensure all health, safety and environmental procedures are followed.
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Qualifications and Experience Essential
- Significant experience managing mechanical engineering or building-services projects.
- Strong knowledge of heating, ventilation, cooling, pipework, pumps and plantroom systems.
- Experience delivering projects from initial planning through to handover.
- Experience managing budgets, forecasts, variations and WIP.
- Ability to interpret mechanical drawings and technical specifications.
- Experience managing subcontractors, suppliers and site teams.
- SMSTS or an equivalent five-day Site Management Safety qualification.
- Valid CSCS card.
- Strong leadership, commercial and communication skills.
- Full UK driving licence.
Desirable
- HNC, HND or degree in Mechanical Engineering, Building Services or Construction Management.
- Recognised mechanical trade or engineering qualification.
- PRINCE2, APM or equivalent project-management qualification.
- IOSH or NEBOSH qualification.
About The Company
OCS UK & Ireland is a leading engineering and facilities management company with 50,000+ colleagues and a turnover in excess of £2bn. We deliver innovative, award-winning services within facilities management, hard services, cleaning, security and catering.
Our mission is to make people and places the best they can be for our colleagues, customers and the communities we serve. Our commitment to doing business the right way is rooted in our TRUE values - Trust, Respect, Unity, and Empowerment.
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Why Work for OCS?
- ✅ Award-Winning Employer: Ranked 36th on Glassdoor’s Best Companies to Work For 2025 — we value and motivate our people.
- 🚀 Digital Learning: The OCS Academy offers digital courses and resources to help you build skills and grow your career.
- 🙂 Retail Perks: With our Hapi app, you can gain access to exclusive discounts, rewards and wellbeing resources.
- 📝 Professional Growth: 600+ live learners across UK&I — Empowering colleagues with further development and qualifications!
- 💰 Flexible Pay: Access a portion of earned wages before payday with our Wagestream App! (Contract Specific)
How to Apply
If you are interested in joining a business that encourages professional development, career progression and the chance to work with inspirational people then please click apply and register your interest! You can also sign up to our job alerts when registering which will notify you when other suitable vacancies are available.
We are an equal opportunities employer and rely on a diverse workforce with a broad range of knowledge, skills, and backgrounds to deliver our goals. We offer an inclusive and welcoming environment and actively encourage applications from all individuals regardless of race, gender, nationality, religion, sexual orientation, disability, or age.
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