Head of Security

Role

Head of Security (Cyber Security)

Reporting to: CTO

Location:

Remote – UK

Job Type: Full‑time, Permanent

Salary:
Competitive, based on experience + benefits + bonus potential

Come and be a part of The Investigo Group (TIG), a dynamic coalition of cutting‑edge tech firms specialising in Platform, Software, Data, AI and other bleeding‑edge technology solutions. Our innovative prowess spans the globe while proudly hailing from the United Kingdom.

The group is multi‑functional with a large portfolio of B2B products and services.

IIS provides secure internet access in both the public and private sectors. Its mission is to deliver world‑class secure internet capabilities enhancing productivity across diverse skillsets and organisations.

Vestigo Consulting is our training and consultancy company, tailored around specialist sector‑specific knowledge, and provides regular courses and CPD for our community.

Collaboraite is a bleeding‑edge company that provides our Data and AI capability. A collaborative partner for designing user‑centred secure data solutions to overcome operational hurdles, delivered through design thinking and agile coaching.

Diversity, Equity, and Inclusion (DEI) are at the heart of TIG. We actively seek diverse talent, promote fairness, and foster an inclusive environment where every voice matters.

The group provides bespoke, secure, user‑centric products fuelled by deep technical knowledge advanced data and analytical skills.

We proudly stand as a global leader in this space, partnering with esteemed entities that require these advanced forward‑thinking capabilities.

You are an accomplished security leader with the credibility to influence at Board level and the technical depth to guide teams across cyber, physical, personnel, and operational resilience. You thrive in complex, high‑stakes environments where risk management, regulatory compliance, and innovation must coexist.

You are equally comfortable defining long‑term strategy as you are rolling up your sleeves to solve immediate challenges. With a strong track record of building and leading multidisciplinary teams, you foster a culture of accountability, collaboration, and continuous improvement.

You bring proven experience of shaping security functions in government, defence, critical national infrastructure, or highly regulated commercial sectors, and are fluent in the language of both security operations and business transformation.

The Security & Resilience team spans cyber, physical, personnel, and operational resilience. The function delivers the organisation‑wide Security Strategy, oversees security operations, architecture, compliance, and risk management, and leads resilience and incident response activities.

We’re looking for a seasoned and strategic Head of Security to take ownership of our organisation’s entire security landscape, spanning cyber, physical, personnel, and operational resilience.

You will set and deliver a comprehensive security strategy that balances commercial ambitions with risk management, regulatory compliance, and resilience.

• Report on key performance indicators (KPIs), threat landscape, and security posture to the Board of Directors.
• Lead the development and delivery of the organisation‑wide Security Strategy.
• Align security operations with commercial expansion goals and emerging geopolitical and sector trends.
• Champion a security‑first culture across all departments.
• Shape security as a business‑enabling capability.

• Oversee the design, implementation, and operation of a modern Security Operations Centre (SOC), resilience programmes, red‑teaming, insider threat monitoring, and secure architecture consulting.
• Lead proactive threat intelligence, detection, and response efforts.
• Drive the implementation of security‑by‑design principles in collaboration with engineering and Dev Sec Ops  teams.
• Create and mature a Security Architecture function supporting SSDLC and product security.

• Own the enterprise risk register, redefining the organisation’s approach to…