Cyber Security Analyst

About the role

We are seeking a technically capable Cyber Security Analyst to strengthen infrastructure and network security within a critical energy infrastructure organisation. This permanent hybrid role focuses on security engineering, infrastructure hardening and secure‑by‑design practices across network and cloud environments.

Key responsibilities

• Design, review and enhance network security architecture, including firewall policy management, network segmentation and secure connectivity design.
• Conduct technical security assessments across on‑premise and cloud environments.
• Lead vulnerability management activities, prioritising and overseeing remediation.
• Harden infrastructure platforms, servers and endpoints in line with best practices.
• Review and optimise security configurations for network and cloud technologies.
• Support secure deployment of new infrastructure and systems.
• Contribute to security standards, baselines and technical documentation.
• Collaborate with IT and engineering teams to improve operational resilience and reduce security risk.

Required profile

• Strong background in network and infrastructure security.
• Deep understanding of TCP/IP, DNS, VPN, routing, switching and firewall technologies.
• Hands‑on experience with vulnerability management tooling and remediation processes.
• Experience securing Azure, AWS or GCP environments.
• Familiarity with endpoint security and infrastructure hardening practices.
• Knowledge of security frameworks such as ISO 27001, NIST and CIS Controls.

Required skills

• Firewall policy management
• Network segmentation
• Secure connectivity design
• Vulnerability management tools
• Azure
• AWS
• GCP
• Endpoint security
• Infrastructure hardening
• TCP/IP
• DNS
• VPN
• Routing
• Switching
• ISO 27001
• NIST
• CIS Controls