IT Security Specialist - Infrastructure & Networks; NIST​/CIS benchmarking​/CISSP

Infrastructure & Network Security Specialist

Guildford (Hybrid – 1–2 days onsite)

Are you a technically strong security specialist who thrives in complex enterprise environments? We’re working with a leading global organisation to find an Infrastructure & Network Security Specialist to play a critical role in protecting and evolving their UK technology landscape.

This is a high-impact position where you’ll take ownership of IT security risks, influence senior stakeholders, and help shape the future of infrastructure security across a large, multi-national environment.

You’ll be responsible for governing and enhancing infrastructure and network security, ensuring robust controls, compliance, and continuous improvement across IT systems.

Key responsibilities include:

• Owning IT security risks and controls across infrastructure and networks
• Driving risk mitigation and remediation activities to completion
• Partnering with IT, security, and business stakeholders to strengthen security posture
• Overseeing third-party providers and ensuring adherence to security frameworks
• Supporting audits, regulatory compliance, and internal controls
• Contributing to security strategy and investment cases
• Ensuring secure delivery of projects during service acceptance

We’re keen to speak with candidates who bring a mix of technical depth and governance experience, including:

• Certifications such as CISSP, CISA, or CRISC
• Strong knowledge of NIST, COBIT, ISO 27001, CIS Controls, ITIL
• Deep understanding of network, infrastructure, and workplace architectures
• Experience with firewalls, proxies, email gateways, routing technologies
• Solid grasp of IT risk management and security frameworks
• Exposure to IAM, vulnerability management, and security tooling
• Scripting/automation experience (e.g.
  Power Shell, Python
  )
• Experience managing third-party / offshore providers
• Strategic, business-facing role with real influence
• Hybrid working with flexibility
• Strong salary and bonus package
• Opportunity to work in a highly mature, enterprise-scale environment
• Career progression within a global organisation

If you're looking for a role where you can combine hands‑on technical knowledge with strategic security leadership — we’d love to hear from you.