Deputy Site Protection Manager

Better places, thriving communities. Deputy Site Protection Manager 📍 Location: Wokingham and Reading, Berkshire

💷 Pay Rate: £43,000-45,000 per annum (dependent on experience)

🕒 Shifts: Operational flexibility required (including days, nights, weekends, and on-call support)

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 Deputy Site Protection Manager, you will play a key role in the leadership and delivery of security operations within a Critical National Infrastructure (CNI) environment.

This is a senior operational management role where you will oversee the day-to-day delivery of security services, lead Supervisors and Officers, and ensure that all operations are effective, compliant, and aligned with site and regulatory requirements.

You will act as the operational lead in the absence of the Site Protection Manager, taking ownership of incidents, decision-making, and performance across the security function.

Key Responsibilities

• Oversee the delivery and performance of all security operations across the site
• Lead incident management, ensuring structured response, escalation, and resolution
• Maintain full situational awareness of site activity, identifying risks and operational gaps
• Ensure compliance with all security procedures, Assignment Instructions (AIs), and regulatory requirements
• Manage Supervisors and Officers, ensuring performance, discipline, and professionalism
• Support workforce planning, rostering, and resource allocation to maintain operational resilience
• Ensure all incidents, reports, and system issues are accurately recorded and reviewed
• Act as the operational lead during out-of-hours periods and in the absence of the Site Protection Manager

Why This Role Matters

• You will play a key role in protecting infrastructure critical to the UK's energy system
• Your leadership will directly impact site security, resilience, and operational continuity
• You will operate in a high-security environment where strong decision-making is essential

What We're Looking For We are seeking experienced and capable security professionals with strong operational management experience.

Essential Requirements

• SIA Front Line Door Supervisor &​ CCTV Operator License.
• Significant experience in a management role within security.
• First Aid at Work qualification (or willingness to obtain).
• Level 3 qualification in Security Management or related field.
• Full UK Manual Driving License.
• 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 teams, incidents and operations.
• Strong understanding of security systems and procedures.

Highly Desirable

• Experience within government, CNI, or high-security environments.
• SC Clearance - must be obtained as a condition of your employment.
• Level 4 qualification in Security Management or related field.
• NEBOSH/IOSH or equivalent Health &​ Safety qualification.
• Experience in audits, compliance, and investigations.

Skills &​ Capability

• Fluent in verbal and written English with excellent communication and interpersonal skills.
• Strong operational management and leadership capability.
• Excellent stakeholder management skills.
• Ability to manage incidents, investigations, and escalations.
• Strong understanding of compliance (SIA, GDPR, H&​S, site policies).
• Competence in using security systems (CCTV, access control, reporting systems).
• Analytical skills to assess risk and improve operations.
• Working knowledge of health &​ safety and compliance requirements.
• Excellent IT skills and a good understanding of all MS Office applications.

Personal Attributes

• Professional and confident leader.
• Strong decision-making and problem-solving skills.
• Resilient and able to manage high-pressure situations.
• Highly organised with strong attention to detail.
• Proactive and solution-focused mindset.
• High integrity and ability to handle sensitive information.

About You You will be an experienced security professional with the ability to manage operations and lead teams in a high-security environment. You will be confident in making decisions, managing incidents, and ensuring consistent delivery of high standards.

You will demonstrate strong leadership, professionalism, and the ability to balance operational demands with compliance and governance requirements.

Training &​ Development You will receive structured site-specific training and ongoing development, including:

• Operational management and leadership training
• Security systems (CCTV, access control, alarms)
• Incident management and crisis response
• Compliance, governance, and regulatory awareness
• Ongoing professional development and career progression within Mitie

Pre-Employment Requirements All successful candidates will be required to complete:

• Competency test (including eyesight, hearing, and fitness test)
• Drug and alcohol screening
• Security vetting and clearance (SC)

What To Expect Our recruitment process is fair, transparent, and based on merit. You must successfully pass each stage to progress:

• Eligibility Screening
• Application &​ Situational Judgement Test (SJT)
• Application Review (Sift)
• Virtual Interview
• Pre-Employment Checks (including vetting and fitness assessment)

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!

Our success is a direct result of the experience and quality of our people. Progressing your career is therefore a top priority for us. We offer a diverse variety of training and development avenues via a wide selection of learning resources to suit you.

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 at .

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. Join our Mitie Team. Together our diversity makes us stronger.

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