Senior Security Control Manager

Nasstar

5d • Remote

About The Position

This role is responsible for leading Nasstar’s compliance with the Telecoms Security Act (TSA) and associated Ofcom regulatory requirements, ensuring the organisation can evidence a robust and defensible security posture. As a key member of the Risk & Compliance function, this role operates at the intersection of regulation and technology, partnering closely with engineering, security, and operational teams to translate regulatory expectations into practical, real-world control effectiveness. This is a high-impact role with visibility across senior stakeholders and direct relevance to the protection of critical national infrastructure.

Requirements

• Experienced in one or more of the following areas: Telecoms or network service provider environments, Cyber security, network security, or infrastructure security, Risk, compliance, or regulatory assurance within technology functions, Supporting or responding to regulatory frameworks (e.g. TSA, NCSC CAF, ISO 27001, NIS)
• Experience operating in a second line (GRC) or assurance capacity, rather than hands-on engineering or operational delivery
• Ability to engage with asset owners and technical SMEs to: Extract relevant control evidence, Validate that controls are appropriately designed and operating, Challenge where control coverage or assurance appears insufficient
• At least one certification from the following: (ISC)² / ISACA: CISSP – Certified Information Systems Security Professional, CISM Certified Information Security Manager, CRISC Certified in Risk and Information Systems Control
• Demonstrated ability to interpret technical concepts and align them to security or regulatory requirements.
• Demonstrated ability to assess control effectiveness and identify gaps or weaknesses.
• Experience within a regulated telecoms environment, particularly under either Telecoms Security Act (TSA) or Ofcom regulatory engagement.

Nice To Haves

• Industry Network Security Certifications (desirable): CCNP Security / CCSP / CCNA Security
• CompTIA Security+ / Network+
• Equivalent vendor or industry-recognised certifications

Responsibilities

• Lead delivery of Telecoms Security Act compliance activities.
• Coordinate responses to Ofcom information requests and regulatory submissions.
• Interpret TSA Code of Practice measures and translate into business and technical actions.
• Review and validate technical, architectural, and operational evidence.
• Provide effective, evidence-based challenge and ensure submissions are complete, accurate, and aligned to regulatory expectations.
• Identify gaps in evidence, control weaknesses, and areas requiring remediation.
• Assess adequacy of compensating controls where full compliance is not achieved.
• Apply risk scoring in line with Nasstar’s risk management framework.
• Focus on risks impacting Security Critical Functions and supporting network oversight capabilities.
• Align TSA requirements with broader frameworks such as NCSC CAF, ISO 27001 and HSCN.
• Support governance reporting and risk committee discussions.
• Contribute to the development of internal assurance and control frameworks.
• Review and advise on supplier contracts to ensure security obligations are appropriate and enforceable.
• Support Legal & Procurement with security requirements and risk considerations.
• Contribute to third-party risk and assurance activities.

Benefits

• 25 days’ holiday (excluding bank holidays) + Your Birthday Off
• Flexible working
• Virtual working
• Top tech – Leading services and solutions aren’t just for our clients; we supply best-of-breed software and hardware for all our staff too
• 4x annual salary life assurance
• Health cash plan
• Retail discounts and other perks from major brands

What This Job Offers

• Job Type: Full-time
• Career Level: Senior
• Education Level: No Education Listed