Better places, thriving communities.
About the Role
We are seeking an experienced and dynamic Senior Site Manager – Security Operations to take full operational responsibility for the performance, compliance, and delivery of security services across a key site. This senior leadership role requires strong commercial acumen, exceptional people management skills, and a commitment to delivering service excellence in line with contractual targets and company standards.
You will oversee the financial and operational performance of the security operation, ensuring efficient use of labour and resources, adherence to legislation, and successful delivery of new and existing contracts. Working closely with clients, stakeholders, and internal teams, you will help identify new opportunities and contribute to continuous improvement and business growth.
Key Responsibilities
Operational & Commercial Management
1. Take overall responsibility for the operational performance of the site's security function in line with defined targets.
2. Maintain full control over contract delivery, including financial performance, cost management, and service effectiveness.
3. Ensure efficient deployment and utilisation of labour and resources through strong team leadership and planning.
4. Ensure all services comply with relevant legislation and company standards.
5. Lead the effective commissioning of all contracts within agreed timeframes, standards, and profitability targets.
6. Liaise with internal departments to identify business development opportunities and support sales activities.
Expected Behaviours & Leadership Qualities
Building Effective Teams
7. Act as the primary point of contact for management teams.
8. Drive a culture of service excellence through leadership, coaching, performance feedback, and continuous improvement.
9. Support training and development initiatives to enhance team capability.
Drive for Results
10. Ensure management teams and officers act proactively to meet or exceed all SLAs and KPIs.
11. Promote operational efficiency, responsiveness, and high-quality service delivery.
Leadership Behaviours
12. Lead, coach, and develop operational teams, including Site Managers, Supervisors, Team Leaders, Officers, and subcontractors.
13. Model professionalism and exceptional customer service in every interaction.
14. Maintain a smart and professional appearance and encourage the same across the team.
15. Drive a client-focused culture that aims to resolve issues quickly and effectively through innovative solutions.
16. Encourage strategic thinking about service delivery beyond day-to-day tasks.
17. Champion new systems and processes, acting as an ambassador for organisational improvements.
Influencing and Building Effective Relationships
18. Build positive working relationships with clients, internal stakeholders, and local teams.
19. Co-ordinate direct and subcontract labour to deliver high performance at optimal cost.
20. Foster an environment of collaboration, trust, and shared purpose.
Decision Making
21. Ensure planned and reactive workstreams are delivered efficiently and profitably.
22. Maintain accountability for accurate and timely billing.
23. Support the continuous development and enhancement of the client–company service offering.
Who We're Looking For
24. A proven leader with experience managing complex security operations.
25. Strong commercial awareness and confidence managing budgets and contract performance.
26. Excellent communication and relationship‑building skills.
27. A strategic thinker who can also be hands-on when required.
28. Someone who leads by example and is committed to high ethical standards.
29. Adaptable, proactive, and motivated to drive improvements and deliver results.
30. Driving Licence required as a company car is provided
31. SIA Licence Required
A full job specification will be provided at Interview. This position is one of overall responsibility for security operations not the site contract
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,!
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 .