Embedded Supervisor

Sibylline; Greater London; On-site; GBP 38,000 - 52,000; Full time

Job summary

Sibylline in London is seeking an experienced Security Operations Supervisor to join our embedded client team, providing shift leadership for 24/7 operations and ensuring high standards of security across all activities.

You will manage alarm responses, CCTV monitoring, access control and incident handling, with a requirement for a valid SIA CCTV licence and a rotating 5x8 shift pattern that includes nights and weekends.

Qualifications

• Bachelor's degree or equivalent experience preferred.
• 3+ years of operational security, GSOC, or security operations experience.
• Previous supervisory, shift-lead, coaching, or mentoring experience preferred.

Responsibilities

• Supervise daily shift activities and provide leadership to Operators.
• Review alarms, incidents, dispatches, and escalations to ensure proper handling.
• Support emergency response and incident coordination activities.
• Monitor CCTV, access control, and badge management processes for quality and compliance.
• Review reports, logs, and documentation for accuracy and completeness.
• Conduct shift handovers and maintain operational continuity across shifts.
• Provide coaching, mentoring, and on-the-job training.
• Support workforce scheduling, coverage, and escalation management.
• Act as shift lead during critical incidents and facility disruptions.

Skills

Operational security

Incident management

CCTV knowledge

Access control

Leadership

SIA CCTV licence

Written communication

Shift leadership

Education

Bachelor's degree or equivalent

Job description

Sibylline is a leading intelligence and strategic risk consultancy in the security sector. Since 2010 we have supported businesses, governments and NGOs by providing high-quality risk analysis, due diligence and consultancy services.

The firm provides an innovative, entrepreneurial and fast-growing working environment, offering employees ever greater exposure to high-profile clients and challenges. Sibylline offers fantastic opportunities for career progression within a successful company, and we aim to help our employees build their own personal profiles as well-regarded analysts within the broader industry.

Key attributes of Sibylline employees are

• Self-motivated, and auto-improving individuals who can couple initiative and boldness with good judgement
• Excellent written and spoken English
• Clarity of thought and analytical flair
• Strong, demonstrable interest in security and intelligence
• The ability to work under pressure, demonstrate leadership when required but also be able to collaborate effectively in teams
• Excellent attention to detail

About Sibylline

Sibylline is a leading intelligence and strategic risk consultancy in the security sector. Since 2010 we have supported businesses, governments and NGOs by providing high-quality risk analysis, due diligence and consultancy services.

The firm provides an innovative, entrepreneurial and fast-growing working environment, offering employees ever greater exposure to high-profile clients and challenges. Sibylline offers fantastic opportunities for career progression within a successful company, and we aim to help our employees build their own personal profiles as well-regarded analysts within the broader industry.

Key attributes of Sibylline employees are

• Self-motivated, and auto-improving individuals who can couple initiative and boldness with good judgement
• Excellent written and spoken English
• Clarity of thought and analytical flair
• Strong, demonstrable interest in security and intelligence
• The ability to work under pressure, demonstrate leadership when required but also be able to collaborate effectively in teams
• Excellent attention to detail

Job Description

About the Role

We are looking for an experienced security operations Supervisor to join us in an embedded role supporting the client’s 24/7 global security operations. You will provide shift leadership and operational oversight for personnel and activities.

As the Supervisor, you will oversee alarm response activities, dispatch coordination, access control operations, incident management, CCTV monitoring, emergency communications, and quality assurance processes while ensuring adherence to established procedures. You will serve as a key escalation point for Operators and act on behalf of the Manager when required.

This is an onsite role at the client’s London office. This role would require you to work 5x8 hour shifts, rotating early, late and nights, including weekends, with flexibility to cover gaps where required.

Must provide a valid SIA CCTV (Public Space Surveillance) licence prior to commencing employment.

Essential Functions / Responsibilities

• Supervise daily shift activities and provide leadership to Operators.
• Review alarms, incidents, dispatches, and escalations to ensure proper handling.
• Support emergency response and incident coordination activities.
• Monitor CCTV, access control, and badge management processes for quality and compliance.
• Review reports, logs, and documentation for accuracy and completeness.
• Conduct shift handovers and maintain operational continuity across shifts.
• Provide coaching, mentoring, and on-the-job training.
• Support workforce scheduling, coverage, and escalation management.
• Act as shift lead during critical incidents and facility disruptions.

Knowledge, Skills, and Abilities

• Strong operational security and incident management experience.
• Ability to prioritise multiple incidents and competing operational requirements.
• Strong written communication and report review skills.
• Knowledge of access control, CCTV, dispatch, and alarm monitoring platforms.
• Experience supervising or mentoring personnel preferred.
• A current SIA CCTV (Public Space Surveillance) licence.

Qualifications

• Bachelor's degree or equivalent experience preferred.
• 3+ years of operational security, GSOC, or security operations experience.
• Previous supervisory, shift-lead, coaching, or mentoring experience preferred.

Additional Information

Interview Process

• Initial call with a member of our Talent Acquisition team
• Timed written assessment (arranged at a time that suits you) to test writing and analytical capability
• Panel interview with some of the team members and hiring managers at Sibylline
• Meet and Greet with the client

Research indicates that certain groups are less likely to apply for a position unless they meet every single requirement. If you feel you meet some of the requirements and can offer a unique perspective to this role, we strongly encourage you to apply—you might be the perfect fit we are looking for!

Sibylline is committed to the recruitment and selection of candidates without regard for sexual orientation, gender, ethnicity, age, political beliefs, culture and lifestyle. We are committed to fostering a business culture that reflects these values and promotes equal opportunity.