Security Engineer - Network & Cybersecurity

Role: Security Engineer - Satcom & Network Security

Location: Redhill, Surrey

Type: Full-Time, Permanent

Industry: Satellite Communications / Secure Connectivity

Working Pattern: Full-time, Permanent

Reporting To: Head of Network Infrastructure / Security Operations

Set-Up: First 6 months fully onsite in Redhill, then up to 6 remote working days per month.

An established secure communications organisation is looking to appoint a technically strong Security Engineer with a solid background in data communications, IP networking, network protection, and secure infrastructure.

This role will suit someone who can act as a key technical security specialist across satellite communications, secure connectivity networks, and enterprise infrastructure. The successful candidate will support internal engineering teams, security operations, and defence/enterprise clients across multiple geographies.

Key Responsibilities

Network Security & Infrastructure Protection:

• Act as the technical security champion for satellite communications, airtime, and secure infrastructure.
• Configure, deploy, and maintain enterprise-grade security appliances, firewalls, secure gateways, and VPN tunnels.
• Work with technologies such as Fortinet, Cisco, secure network gateways, and satellite-linked infrastructure.
• Understand how supplier security technologies integrate into wider network infrastructure and global corporate services.

Lifecycle, Vulnerability & Incident Management:

• Support the full security lifecycle of infrastructure, from deployment through to monitoring, updates, patching, and hardening.
• Monitor global network traffic for anomalies, support internal security incidents, and help implement threat mitigation strategies.
• Work with Systems Engineering teams on security product evaluations, penetration testing feedback, and secure infrastructure rollouts.
• Capture technical requirements for internal and external secure software or network development projects.
• Manage internal security-related projects while balancing priorities during high-demand or critical incident periods.

Technical Documentation & Compliance:

• Translate complex security features and vulnerability assessments into clear technical compliance reports and remediation guides.
• Keep technical teams and wider business functions updated on threat landscapes, security capabilities, and system updates.
• Ensure network infrastructure aligns with maritime security frameworks, UK government policies, and defence-level operational standards.
• Produce internal technical documentation, secure configuration guides, FAQs, and incident response process layouts.

Support & Internal Training:

• Provide tier-3 technical security support in engineering meetings, troubleshooting calls, and customer architecture reviews.
• Deliver internal security awareness training and technical handovers for network engineers, support teams, and back-office functions.
• Coordinate Technical Security Bulletin distribution alongside local management for emergent CVEs or critical software patches.
• Carry out regular security audits and product vulnerability comparisons.

What We’re Looking For

• Proven Security Engineering experience.
• Strong knowledge of IP networking, data communications, and routing protocols such as BGP and OSPF.
• Experience managing security vendors and assessing hardware and software protection capabilities.
• Experience producing technical security documentation, architecture diagrams, network policies, or remediation plans.
• Incident response experience with a structured approach to tracking and eliminating vulnerabilities.

Core Skills & Attributes

• Familiarity with Microsoft enterprise environments, including identity access management, secure messaging, or Active Directory.
• Comfortable handling sensitive data and applying sound analytical judgement.
• Self-motivated team player who can work across technical and non-technical stakeholders.
• Willingness to learn quickly and support emergency escalation hours where required.
• Familiarity with modern digital satellite communications, VSAT networks, teleport infrastructure, or secure telecoms environments.
• Security and networking certifications such as CCNA Security, Fortinet NSE, CCNP Security, Security+, CISSP or equivalent.
• Experience within satellite communications, telecoms, network security, defence, government, or another highly secure data environment.
• Hands-on exposure to Linux and Windows Server secure operating system environments.
• Experience supporting international network infrastructure or government or defence contracts.
• Experience working across infrastructure, engineering, security, and support teams.

Mandatory Eligibility Requirements

• Must come from a NATO country background.
• Must have lived and worked in the UK for the most recent five consecutive years.
• Must be eligible and willing to undergo UK security vetting, including SC or DV where required.
• Salary of £50,000 plus benefits.
• Company laptop and mobile phone provided.
• Opportunity to work on advanced secure satellite communications and global network infrastructure.
• Direct engagement with specialist engineers, enterprise suppliers, and high-security government clients.
• Long-term career opportunity within a specialist technical security environment.

Equal Opportunity Employer

We value diversity and are committed to creating an inclusive work environment. We encourage applicants from all backgrounds to apply, provided the role-specific eligibility requirements are met.

• Proven Security Engineering experience.
• Strong knowledge of IP networking, data communications, and routing protocols such as BGP and OSPF.
• Experience managing security vendors and assessing hardware and software protection capabilities.
• Experience producing technical security documentation, architecture diagrams, network policies, or remediation plans.
• Incident response experience with a structured approach to tracking and eliminating vulnerabilities., * Familiarity with Microsoft enterprise environments, including identity access management, secure messaging, or Active Directory.
• Comfortable handling sensitive data and applying sound analytical judgement.
• Self-motivated team player who can work across technical and non-technical stakeholders.
• Willingness to learn quickly and support emergency escalation hours where required.
• Familiarity with modern digital satellite communications, VSAT networks, teleport infrastructure, or secure telecoms environments.
• Security and networking certifications such as CCNA Security, Fortinet NSE, CCNP Security, Security+, CISSP or equivalent.
• Experience within satellite communications, telecoms, network security, defence, government, or another highly secure data environment.
• Hands-on exposure to Linux and Windows Server secure operating system environments.
• Experience supporting international network infrastructure or government or defence contracts.
• Experience working across infrastructure, engineering, security, and support teams., * Must come from a NATO country background.
• Must have lived and worked in the UK for the most recent five consecutive years.
• Must be eligible and willing to undergo UK security vetting, including SC or DV where required.

• Salary of £50,000 plus benefits.
• Company laptop and mobile phone provided.
• Opportunity to work on advanced secure satellite communications and global network infrastructure.
• Direct engagement with specialist engineers, enterprise suppliers, and high-security government clients.
• Long-term career opportunity within a specialist technical security environment.