Mitie Cleaning & Hygiene Services
Head of Technical Services
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Head of Technical Services (Critical Systems)
Wokingham / Reading (with future national scope)
Mitie | NESO Contract
The Role
Mitie is looking for a highly capable Head of Technical Services (Critical Systems) to join our NESO (National Energy System Operator) contract.
Working alongside the Head of Operations and reporting to the Account Manager, you'll act as the technical authority across the account, ensuring all engineering activity is safe, compliant, and future-focused.
This is not a purely strategic role — we're looking for someone who can combine deep technical knowledge with a proactive, hands-on approach, spotting risks before they materialise and driving improvements across critical systems.
You'll be based primarily across sites in Wokingham and Reading, with occasional travel as the contract evolves.
About The Contract
The NESO contract supports the UK's National Energy System Operator, responsible for balancing electricity supply and demand across the country.
Mitie delivers a total facilities management solution across key operational sites, including critical control environments, infrastructure and associated systems. These sites operate in a highly resilient, always-on environment, where maintaining service continuity is essential.
This role operates at the heart of that environment, ensuring that all critical engineering systems continue to perform to the highest standards.
Key Responsibilities
Technical Assurance & Compliance
- Lead on Safe Systems of Work, SOPs, EOPs and electrical compliance
- Oversee the performance, maintenance and reliability of critical M&E infrastructure
- Ensure compliance with statutory, regulatory and client standards
- Conduct audits, reviews and continuous improvement of engineering processes
Engineering Leadership
- Act as the SME for technical excellence across the contract
- Provide guidance on maintenance strategy, asset lifecycle and system optimisation
- Identify risks and opportunities across plant, systems and infrastructure
- Drive a culture of consistency, best practice and operational excellence
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Critical Systems Oversight
- Maintain resilience of key infrastructure including:
- High and low voltage systems
- UPS, generators and backup power systems
- Cooling and environmental controls
- Proactively identify upgrades or changes required to maintain uptime and resilience
Risk & Safety
- Lead on engineering risk management and mitigation
- Support incident investigations and root cause analysis
- Ensure a strong health, safety and compliance culture across all activities
Client & Stakeholder Engagement
- Build strong relationships with the NESO client team
- Present technical recommendations and challenge where required
- Provide clear, confident and evidence-based reporting on system performance and risk
Team Support & Development
- Support the development, capability and compliance of engineering teams
- Ensure all engineers are appropriately trained, qualified and authorised
- Act as a technical mentor and escalation point for complex issues
About You
We're looking for someone who combines technical credibility with strong presence and foresight — someone who can influence, challenge and lead from the front.
Essential
- Professionally qualified Engineer (e.g. IET, CIBSE)
- Strong HV/LV electrical background with Authorised Person (AP) experience
- Experience working in critical environments (e.g. data centres, CNI, control rooms)
- Deep understanding of compliance, safety standards and engineering governance
- Ability to be proactive — identifying issues before they arise and driving solutions
- Confident communicator, able to engage and influence senior stakeholders
Highly Desirable
- Experience as or working towards Authorising Engineer (AE)
- Chartered Engineer (CEng) status
- Data centre or Uptime Institute / critical systems exposure
- Broader mechanical knowledge alongside electrical expertise
Our Benefits
Our market-leading offering provides you with benefits that suit your lifestyle.
- We have a virtual GP on hand for you and members of your household. So you can get expert advice by video or phone without having to leave your home.
- We offer financial wellbeing assistance through our Salary Finance scheme. For example, you could access 50% of your earned pay before payday for a small fee. Salary Finance also offers competitive loans.
- When you join us, we’ll give you a link to our flexible lifestyle benefits platform, Choices. You might choose to purchase up to five extra days’ holiday each year. You might buy critical illness insurance, seek dental treatment or buy technology products at an affordable cost. There are many choices!
- We give you access to high street discounts from thousands of well-known retailers, gyms and more through our MiDeals platform. And we have a cycle-to-work scheme.
- Life cover of up to four times your salary is available. We also offer enhanced pension contributions, a save-as-you-earn scheme, and a Mitie Matching Share Plan (you could even be awarded free shares in Mitie).
- We award our employees with Mitie Stars as recognition for their hard work. There are cash prizes up for grabs each month and at the end of the year there’s a chance to scoop a top prize of £10,000!
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Our Commitment to Inclusivity
We are committed to ensuring our recruitment process is inclusive and accessible to all. If you have a disability or long-term condition (for example dyslexia, anxiety, autism, a mobility condition or hearing loss) and need us to make any reasonable adjustments, changes or do anything differently during the recruitment process, please let us know by emailing Marie Hyde at marie.hyde@mitie.com.
About Mitie
Since 1987, Mitie’s 84,000 employees have been maintaining companies globally. We are the UK’s leading facilities management and professional services company, and our clients range from household names in banking, critical government sites as well as hospitals and schools.
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