Fire & Security Mobile Service Engineer

OCS; Winchester; On-site; GBP 32,000 - 45,000; Full time

Benefits offered by this job

Wagestream flexible pay

OCS Academy training and development

Hapi app discounts

Job summary

OCS UK & Ireland seeks an experienced technician to maintain and repair fire alarm systems across multiple sites. You will diagnose faults, perform PPMs and support CCTV and access control as needed.

The role requires knowledge of British Standards, experience with various manufacturers and a valid UK driving licence. Travel between client sites is expected, with out-of-hours support on occasion.

Qualifications

• Proven experience maintaining, fault-finding and repairing fire alarm systems.
• Good understanding of relevant British Standards and fire alarm industry regulations.
• Strong diagnostic and fault-finding skills.
• Experience with multiple fire alarm manufacturers and control panels.
• Knowledge of permit-to-work systems, method statements and risk assessments.
• Health and safety awareness.

Responsibilities

• Carry out planned preventative maintenance (PPM) on fire alarm systems in line with contractual requirements and schedules.
• Diagnose, investigate and repair faults across fire alarm systems; provide reactive maintenance.
• Support CCTV, access control and other security systems as required.
• Undertake system modifications, small works and additional installations per client requirements.
• Prepare dilapidation surveys and reports; identify defects and recommend improvements.
• Identify opportunities for improvements and assist with quotations.

Job description

Job Purpose

To deliver planned preventative maintenance, reactive maintenance, fault diagnosis and small works across fire alarm systems, ensuring all work is completed safely and in accordance with relevant British Standards and contractual requirements.

About The Role

The role will primarily focus on fire alarm systems, with additional support for CCTV, access control and other security systems when required. Experience working with large commercial clients and multiple fire alarm manufacturers would be advantageous.

Duties, Responsibilities & Accountabilities

• Carry out planned preventative maintenance (PPM) on fire alarm systems in line with contractual requirements and agreed schedules.
• Diagnose, investigate and repair faults across fire alarm systems, providing reactive maintenance when required.
• Provide reactive support for CCTV, access control and other security systems.
• Undertake system modifications, small works and additional installations in line with client requirements.
• Complete dilapidation surveys and reports on newly acquired contracts, identifying defects and recommending improvements or remedial works.
• Identify system improvements and additional works opportunities, supporting technical recommendations and quotation delivery.
• Ensure all work complies with relevant British Standards, manufacturer guidance and industry best practice.
• Maintain effective communication and working relationships with clients, colleagues, management and the helpdesk.
• Complete service reports, maintenance records and technical documentation accurately and within required timescales.
• Maintain accurate asset records and support effective contract management.
• Comply with OCS policies covering health and safety, security, environmental and technical compliance.
• Complete and review risk assessments and method statements before undertaking work.
• Wear appropriate PPE and maintain safe working practices at all times.
• Escalate significant technical issues, safety concerns or contractual risks to management.
• Ensure reactive works are completed within agreed service level agreements (SLAs).

Resource Responsibilities

• Maintain control of allocated stock, tools, equipment and materials.
• Support accurate asset management and equipment records.
• Identify additional works and provide technical information to support quotations.
• Ensure company vehicles and equipment are maintained and used responsibly.

Essential Skills & Experience

• Proven experience maintaining, fault-finding and repairing fire alarm systems.
• Good understanding of relevant British Standards and fire alarm industry regulations.
• Strong diagnostic and fault-finding skills, with the ability to identify and resolve technical issues.
• Experience working with different fire alarm manufacturers and control panels.
• Knowledge of permit-to-work systems, method statements and risk assessments.
• Good understanding of health and safety requirements.
• Ability to manage PPM schedules and meet agreed deadlines.
• Experience responding to reactive maintenance requests within contractual SLAs.
• Understanding of asset identification and management.
• Full, valid UK driving licence.
• Strong communication and customer service skills.

Desirable Skills & Experience

• Experience working with CCTV, access control and electronic security systems.
• Experience within large commercial, multi-site or complex client environments.
• Experience completing system surveys, dilapidation reports and identifying additional works.
• Relevant industry qualifications or manufacturer-specific training.

Training and development will be provided to address any identified skills gaps and support continued professional development.

Other Factors Relevant To The Role

• Mobile role requiring travel between client sites.
• Participation in an out-of-hours call-out rota, responding to emergency maintenance requirements.
• Flexibility to support varying client and contractual requirements.
• Compliance with all OCS policies and procedures.

About The Company

OCS UK & Ireland is a leading facilities management company with 50,000+ colleagues and a turnover in excess of £2bn. We deliver innovative, award-winning services within facilities management, hard services, cleaning, security and catering.

Our mission is to make people and places the best they can be for our colleagues, customers and the communities we serve. Our commitment to doing business the right way is rooted in our TRUE values - Trust, Respect, Unity, and Empowerment.

Why Work for OCS

Award-Winning Employer: Ranked 36th on Glassdoor’s Best Companies to Work For 2025 — we value and motivate our people.

Digital Learning: The OCS Academy offers digital courses and resources to help you build skills and grow your career.

Retail Perks With our Hapi app, you can gain access to exclusive discounts, rewards and wellbeing resources.

Professional Growth: 600+ live learners across UK&I — Empowering colleagues with further development and qualifications!

Flexible Pay: Access a portion of earned wages before payday with our Wagestream App! (Contract Specific)

Equal Opportunities

We are an equal opportunities employer and rely on a diverse workforce with a broad range of knowledge, skills, and backgrounds to deliver our goals. We offer an inclusive and welcoming environment and actively encourage applications from all individuals regardless of race, gender, nationality, religion, sexual orientation, disability, or age.