Senior Security and Fire Systems Service Engineer

Ranger Services Holdings Limited

Join Fidelity, an expanding security and fire systems company, as a Senior Engineer in Greater London, focusing on commercial applications.

Last checked on June 6, 2026. We may earn a commission when you click through.

✓ Stable full-time hours ✓ Accredited company with a good reputation ✓ Focus on commercial projects

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Senior Security and Fire Systems Service Engineer

Ranger Services Holdings Limited

Updated 3 months ago

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Orpington Full Time

If you have a strong background in security systems, this position offers a solid career path with a respected firm.

About this role

Join Fidelity, an expanding security and fire systems company, as a Senior Engineer in Greater London, focusing on commercial applications.

About the Company

Ranger Services Holdings Limited is an accredited company specialising in integrated security and fire systems for commercial clients.

Key Highlights

✓ Full-time position, Monday to Friday, 08:00-17:00
✓ NACOSS Gold and BAFE FIRE Gold accredited
✓ Focus on commercial applications
✓ Opportunities for career development
✓ Dynamic and expanding work environment

💡 Honest Take: This role is ideal for experienced engineers looking to specialise in security and fire systems within a reputable company.

Pros

✓ Stable full-time hours
✓ Accredited company with a good reputation
✓ Focus on commercial projects
✓ Potential for career growth
✓ Supportive work environment

Cons

✗ Limited remote work options
✗ Requires significant experience
✗ High-pressure environment during installations
✗ Work primarily in Greater London only
✗ May involve on-call duties

Best For: This role is designed for engineers with substantial experience in security and fire systems, particularly in commercial settings.

Watch Out: Candidates should be prepared for the demands of a fast-paced work environment, particularly during project deadlines.

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What Customers Say

Employees appreciate the company's focus on professional development and its supportive work environment.

Expert Review

The role of Senior Security and Fire Systems Service Engineer at Fidelity presents an excellent opportunity for skilled professionals in Greater London. With a strong focus on commercial applications, this position requires a solid background in security systems, making it less suitable for entry-level candidates.

Fidelity is a reputed company, accredited by NACOSS Gold and BAFE FIRE Gold, indicating a commitment to quality and excellence in service delivery. This recognition may appeal to engineers looking to work with a respected brand. The typical work hours are 08:00 to 17:00, providing a stable routine.

However, be aware that the role demands significant experience and may involve high-pressure situations, particularly during installations. The lack of remote work options could also be a drawback for those seeking flexibility. Overall, this position is for those looking to make a significant impact in the security and fire systems sector.