At a Glance
- Tasks: Lead security operations and ensure safety in a critical infrastructure environment.
- Company: Join the National Energy System Operator, shaping the future of energy in the UK.
- Benefits: Earn £18.00 per hour with a rotating shift pattern and opportunities for professional development.
- Other info: Dynamic role with ongoing training and career progression opportunities.
- Why this job: Make a real impact on site safety and resilience while leading a dedicated team.
- Qualifications: SIA Licence, supervisory experience, and strong leadership skills required.
The predicted salary is between 18 - 18 £ per hour.
Location: Wokingham and Reading area, Berkshire.
Pay Rate: £18.00 per hour.
Shifts: 12‑hour rotating 4 on / 4 off shift pattern, consisting of 2 days & 2 nights, then 4 days off.
About Our Client
We are the National Energy System Operator (NESO) — an independent, impartial, and expert organisation at the centre of Great Britain's energy system. We are driven by collaboration, innovation, and a shared purpose: to ensure everyone has access to clean, affordable, and reliable energy. At NESO, we value inclusivity, diversity, and belonging. We build strong relationships, empower one another, and ensure every voice matters. Together, we are shaping the future of energy and supporting communities across the nation.
About The Role
As a Site Protection Supervisor, you will play a critical role in leading security operations within a Critical National Infrastructure (CNI) environment. This is a position of responsibility and leadership, where you will oversee the delivery of security services, manage incidents, and ensure the highest standards of safety, compliance, and professionalism are maintained at all times. You will act as the key operational lead on shift, supporting and directing officers, making decisions in real time, and ensuring that site security remains effective, resilient, and compliant.
Key Responsibilities
- Supervise and coordinate day‑to‑day security operations across all site functions
- Lead and direct incident response, ensuring effective control, escalation, and resolution
- Maintain real‑time situational awareness and proactively identify risks or vulnerabilities
- Oversee access control processes, ensuring compliance with site security procedures
- Monitor CCTV, alarm systems, and control room activities
- Manage and support Site Protection Officers, ensuring performance, conduct, and professionalism
- Ensure all incidents, activities, and system faults are accurately recorded and reported
- Deliver structured briefings, handovers, and operational updates
Why This Role Matters
- You will lead security operations protecting critical infrastructure supporting the UK's energy system
- Your decisions will directly impact site safety, resilience, and operational continuity
- You will operate in a high‑security environment requiring strong leadership and accountability
Essential Requirements
- SIA Front Line Door Supervisor & CCTV Operator Licence
- Proven experience in a supervisory role within security
- First Aid at Work qualification (or willingness to obtain)
- Full UK Manual Driving Licence
- British citizen with a UK Passport or hold dual Nationality
- Lived and worked in the UK for the past 5 years
- Minimum of 3 GCSEs including English and Maths at grade C/4 or above (or equivalent)
- Experience managing incidents and leading teams
Highly Desirable
- Experience within government or critical infrastructure environments
- SC Clearance – must be obtained as a condition of employment
- Experience using systems such as CCTV, access control platforms and incident reporting tools
Skills & Capability
- Fluent in verbal and written English with excellent communication and interpersonal skills
- Strong leadership and team management skills
- Good knowledge of security operations, CCTV, access control, and incident response
- Ability to manage conflict and make decisions under pressure
- Competent in report writing and incident documentation
- Strong working knowledge of health & safety and compliance requirements
- Excellent IT skills and a good understanding of all MS Office applications
Personal Attributes
- Confident leader with the ability to motivate and guide others
- Professional, disciplined, and accountable
- Calm and decisive in high‑pressure situations
- Strong attention to detail
- Approachable and supportive management style
- High level of integrity and discretion
Training & Development
- Operational procedures and security protocols
- Security systems (CCTV, access control, alarms)
- Conflict management and de‑escalation techniques
- Fire safety and First Aid
- Ongoing professional development and career progression
Pre‑Employment Requirements
- Fitness medical (including eyesight, hearing, and fitness test)
- Drug and alcohol screening
- Security vetting and clearance (SC)
Contact Details:
Mitie Cleaning & Hygiene Services Recruitment Team
