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Embedded GSOC Supervisor

Sibylline Ltd

Office

London, United Kingdom

Full Time

Company Description

About Sibylline

Sibylline is a leading intelligence and strategic risk consultancy in the security sector. Since 2010 we have supported businesses, governments and NGOs through the provision of 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 to 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 a Global Security Operations Centre (GSOC) Supervisor to join us in an embedded role within our Professional Services Client’s security team. You will direct a 24/7 team of analysts as part of a tight-knit operation providing actionable intelligence and advice to decision-makers, and support to the Client’s employees. Additionally, you will provide day-to-day operational oversight of GSOC tasks and team management.This role will act as the first point of escalation and ensure high-quality standards of all GSOC products and services. 

This is a full-time role working Monday to Friday with occasional need to work on weekends and bank holidays. This role is primarily office-based, requiring to work a minimum of 3 days per week in the client’s central London office, with the potential to be more depending on client requirements.

Responsibilities  

  • Supervise the GSOC’s day-to-day operations, including incident escalation, reviewing products to maintain high standards, and delivering reports in a timely manner
  • Line manage the GSOC team, in coordination with the embedded Program Manager. Identify knowledge gaps and deliver upskilling and training. Provide mentorship, manage reviews, and support the team’s professional development
  • Support with hiring GSOC operators when required, and develop and deliver induction and training plans for new joiners
  • Develop and deliver operations training and drills, such as on new SOPs and workflows, the use of tools and systems, and scenarios to continually test operators’ knowledge and responses 
  • Quality assurance of incident alerts and a suite of analytical products that are timely, credible, and provide actionable insight to client stakeholders  
  • Maintain, develop and implement SOPs in line with business needs and requirements
  • Manage scheduling to ensure the GSOC is fully staffed with limited lost hours
  • Maintain a good understanding of tools and platforms, ensuring the GSOC utilises these to full capacity. Conduct market research and analysis of tools and platforms
  • Coordinate with security verticals and managers to ensure effective liaison, communication and operational alignment, supported by an embedded Program Manager
  • Support the program manager by integrating the regional analysis component of the GSOC.

Requirements

  • Must be adaptable in a high-volume, fast-paced environment
  • Previous exposure to tactical and operational security work, strong analysis skills, and technically savvy
  • Strong innovation skills, and the ability to continuously improve the quality of services through the upskilling of operators
  • Previous managerial experience within a 24/7 team
  • The operations supervisor will also support the program manager by integrating the regional analysis component of the GSOC
  • Ability to be flexible and adaptable to the changing needs of the work schedule and shift workload
  • Self-starter who can work independently and as part of a global team
  • Must have the right to work in the UK.

Additional Information

Interview process:

  • Initial call with our Talent Acquisition team member 
  • Timed written assessment (arranged at the 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  

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. 

Embedded GSOC Supervisor

Office

London, United Kingdom

Full Time

August 13, 2025

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Sibylline Ltd

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