Senior Maintenance Engineer

Our client is a fast-growing, ambitious science and technology organisation developing a world-class research campus in Oxford. With significant investment into a flagship, high-spec development, they are seeking an electrically biased Senior Maintenance Engineer to play a key role across both the build phase and long-term operation of the site.

The initial 12–18 months will focus on construction integration, commissioning, and operational readiness, including developing a deep understanding of building systems and establishing maintenance strategies ahead of handover. You will also advise contractors and project teams to ensure systems are delivered with long-term operability and maintainability in mind. Post-completion, you will lead maintenance delivery, managing a team to ensure high performance, reliability, and minimal downtime across a complex, multi-site environment.

• Develop detailed knowledge of building systems during construction, supporting commissioning and long-term maintainability
• Act as the engineering lead during the build phase, advising contractors and project teams to ensure systems are designed, installed, and commissioned in line with operational and maintenance requirements
• Establish maintenance strategies, procedures, and operational standards ahead of site handover
• Lead and manage maintenance delivery across sites, ensuring performance, compliance, and minimal downtime
• Oversee preventative and reactive maintenance, acting as escalation point for complex technical issues
• Lead, mentor, and develop a team of engineers and technicians
• Manage contractors post-handover, ensuring quality, safety, and delivery standards are maintained
• Engineering qualification (apprenticeship, HNC/HND, or degree)
• Proven experience in a senior or supervisory maintenance role
• Strong knowledge of electrical, mechanical, HVAC, and building services systems
• Experience managing both preventative and reactive maintenance programmes
• Ability to troubleshoot and resolve complex technical issues
• Experience leading teams and managing performance
• Strong understanding of health & safety and compliance requirements
• Able to work across multiple sites
• Experience with in laboratory, healthcare, or other regulated environments
• Exposure to commissioning, soft landings, or new‑build projects
• Experience working on high-spec or complex facilities

This is a rare opportunity to play a key role in shaping a high-spec, technically advanced facility, ensuring it is delivered and operated to an exceptional standard from construction through to long-term operation.

• Competitive salary + benefits package
• Ongoing training and professional development
• Opportunity to lead within a cutting‑edge environment

If you are a Senior Maintenance Engineer looking for a role with greater responsibility within a rapidly growing estate, apply now or contact Hugo Oliver at or

Carriera Limited values diversity and promotes equality and no terminology in this advert is intended to discriminate against any protected characteristics under the Equality Act 2010. We welcome applications from all sections of society and are open to discussing any reasonable adjustments or additional arrangements you may require to support your application. All applicants must be eligible to live and work in the UK.

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