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Network Engineer
Job summary
A cybersecurity firm is seeking a skilled Network Engineer in the UK to join its Post‑Breach Remediation team. This role involves restoring and strengthening network environments post-incident. The ideal candidate will have robust networking experience, a degree in a relevant field, and the ability to work on-site and remotely. Involvement in technical recovery processes and collaboration with teams and clients is crucial. Frequent travel is expected.
Responsibilities
- Restore and secure client network environments following cybersecurity incidents.
- Design and implement resilient network architectures, including routing, switching, segmentation, and VPN solutions.
- Configure and maintain enterprise firewalls, remote access, and perimeter security systems.
- Troubleshoot and resolve complex network issues across LAN, WAN, and wireless infrastructures.
- Apply security patches, upgrades, and configuration changes with minimal disruption.
- Review and optimise firewall policies and network configurations to close security gaps.
- Produce accurate network documentation and recovery runbooks for client handover.
- Collaborate with internal teams and client stakeholders during remediation projects.
- Participate in an on-call rotation to support critical recovery activities.
Skills
Education
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Founded in 2006, CyberClan is a global leader in cybersecurity and incident response. We help organizations recover quickly and securely from cyber incidents, ensuring minimal disruption and maximum resilience. With expert teams located across multiple time zones, we provide support and solutions around the clock, ensuring our clients receive continuous care and expertise whenever they need it.
We’re seeking a skilled and proactive Network Engineer to join our Post‑Breach Remediation team. You’ll help clients restore and harden their network environments after security incidents, ensuring stable, secure connectivity across sites and platforms.
This role spans on‑site and remote work. You will lead technical network recovery, implement secure designs, and drive performance and resilience improvements. You’ll participate in scoping calls with clients to understand their environments and requirements, then execute focused remediation and optimization plans in collaboration with internal teams and client stakeholders.
- Restore and secure client network environments following cybersecurity incidents.
- Design and implement resilient network architectures, including routing, switching, segmentation, and VPN solutions.
- Configure and maintain enterprise firewalls, remote access, and perimeter security systems.
- Troubleshoot and resolve complex network issues across LAN, WAN, and wireless infrastructures.
- Apply security patches, upgrades, and configuration changes with minimal disruption.
- Review and optimise firewall policies and network configurations to close security gaps.
- Produce accurate network documentation and recovery runbooks for client handover.
- Collaborate with internal teams and client stakeholders during remediation projects.
- Participate in an on‑call rotation to support critical recovery activities.
- Network Support Engineer – frontline troubleshooting and connectivity resolution
- 3rd Line Network Engineer – advanced diagnostics for routing, switching, security
- Field Network Engineer – on‑site deployments, migrations, and cutovers
- Firewall Engineer – configuring firewalls, VPNs, and security policies
- LAN/WAN Engineer – designing and maintaining secure, high‑availability networks
- Wireless Engineer – implementing and troubleshooting enterprise Wi‑Fi solutions
- Network Monitoring Specialist – performance monitoring and capacity planning
- Vendor & ISP Liaison – managing third‑party services and escalations
- Documentation Specialist – creating diagrams, standards, and compliance docs
- Network Consultant – recovery planning and client technical leadership
This role suits someone who has progressed through a range of networking positions and is confident working across complex, multi‑site environments with both on‑premises and cloud‑based technologies.
- Routing & Switching (VLANs, OSPF, BGP, QoS)
- Wireless Networking (secure WLAN design and troubleshooting)
- Monitoring & Performance Tools (Wireshark, NetFlow, SNMP)
- Automation & Scripting (PowerShell or similar)
- Documentation & Change Control
- SD‑WAN / SASE (e.g., VeloCloud, Prisma Access, Zscaler)
- Security Hardening (zero‑trust, segmentation)
- OT/ICS Networking (industrial environments)
- Familiarity with Linux/MacOS networking and SIEM tools
- Excellent communication and stakeholder management.
- Ability to explain complex network concepts clearly.
- Calm, confident, and methodical under pressure.
- Strong ownership and follow‑through.
- Strong organisational skills, with precise documentation.
- Adaptable and self‑driven, able to prioritise effectively in dynamic environments.
- Willingness to travel frequently and work on‑site when required.
- Team‑oriented mindset with mentoring capabilities and a collaborative approach.
- Degree in Information Technology, Computer Science, or a related field (or equivalent experience)
- Preferred certifications:
- CompTIA Network+ (Security+ advantageous)
- Fortinet NSE 4/7
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* The salary benchmark is based on the target salaries of market leaders in their relevant sectors. It is intended to serve as a guide to help Premium Members assess open positions and to help in salary negotiations. The salary benchmark is not provided directly by the company, which could be significantly higher or lower.