Mobile Security Support Officer Employment Contract UK

Responsibilities reflected in the contract

• Patrol and check allocated client sites.
• Provide authorised relief and lock-up cover.
• Manage vehicle keys codes and site information.
• Respond to alarms defects and incidents.
• Record visits findings and unfinished action.

A realistic working scenario

During a late shift the MSO carries out timed patrols, logs CCTV observations to the incident log, completes a handover checklist for the next shift, reports a suspicious entry and follows SIA escalation steps. The MSO updates operations and facilities, preserves CCTV and access-control records, and secures company property until an approver instructs otherwise.

Outputs to agree

• Completed timed patrol reports and handover checklist for the next shift.
• Incident logs with CCTV reference, access-control entries and actions taken.
• MSO quality-checks for patrol routes, equipment and PPE.
• Escalation notices to operations and facilities for safeguarding, safety or regulatory risk.

Records and evidence

• Timed patrol records with route, start/finish times and anomalies.
• Incident log entries referencing CCTV clips and access-control events.
• Visitor and access-control lists showing authorisations and refusals.
• Handover checklist completed at shift change with outstanding actions.
• Equipment and PPE check records and any defects reported.
• Work records.

Reporting relationship

Typically reports to Line Manager or Department Manager. Confirm the employer's actual reporting structure in the builder.

Authority and escalation

• MSO must act within assignment instructions and SIA escalation expectations. Seek approval from operations for site access exceptions, damaged company property, preservation or disclosure of CCTV data, and for deviations from patrol instructions. Escalate safeguarding disclosures, unsafe equipment, or incidents requiring emergency services to operations and facilities immediately.
• Obtain approval before committing expenditure, changing contractual commitments or making regulated or staffing decisions outside the assigned role.

Tools and systems

• Access control systems.
• Radios.
• Risk assessment records.

Workplace context

• Office, client premises, remote systems or assigned work locations.

Training and certification

• Complete employer-required health and safety training.

Contract priorities

• Keep patrol, incident, CCTV and access-control records accurate and up to date.
• Preserve CCTV and access-control evidence where incidents occur and notify operations before any disclosure.
• Complete MSO quality checks and report defective PPE or equipment to facilities.
• Follow SIA escalation steps and notify operations for safeguarding disclosures or where competence limits are reached.
• Ensure handovers record outstanding actions, delays, complaints and risks affecting subsequent shifts.

Information the employer should prepare

• the route territory sites and response targets
• the vehicle fuel and driving requirements
• the key code and lone-work controls
• the relief post and induction process
• the shifts call-outs and client escalation