Senior Network Security Engineer

Salary: £40,000 - 70,000 per year

Requirements:

• 2–4 years of experience in networking, cybersecurity, or infrastructure
• A degree in Computer Science or a related field
• Strong networking fundamentals, including TCP/IP, routing, and Layer 1–3 troubleshooting
• Proven experience in incident response and customer-facing technical roles
• The ability to own and resolve incidents under pressure
• Excellent communication skills with a clear, calm, customer-ready approach
• Scripting and automation ability, such as Python, Bash, or similar
• Nice to have: BGP, FlowSpec, and traffic engineering knowledge
• Nice to have: NetFlow / sFlow analysis
• Nice to have: IDS/IPS, firewalls, and packet analysis experience with tools such as Wireshark and tcpdump
• Nice to have: SIEM experience, such as Splunk
• Nice to have: Linux proficiency
• Nice to have: virtualisation experience, such as KVM or ESXi
• Nice to have: certifications such as CCNP, JNCIS/JNCIP, CySA+, GIAC GCIA, or GCIH

Responsibilities:

• Own incidents end-to-end across Incident, Major Incident, Change, Problem, and Service Request workflows in an ITIL-aligned environment
• Lead real-time response to live DDoS attacks and complex network events as they unfold
• Perform advanced 1st–3rd line triage and troubleshooting across the platform and customer environments
• Act as a subject matter expert on our real-time mitigation technology
• Serve as the technical escalation point for junior engineers
• Work directly with customers and partners during high-impact incidents
• Collaborate closely with Engineering, Product, and Threat Intelligence to feed insight back into the platform
• Drive documentation, runbooks, and operational improvements that raise the bar for the whole team
• Mentor junior engineers
• Continuously deepen your own networking and DDoS expertise

Technologies:

• Bash
• ITIL
• KVM
• Linux
• Network
• Python
• Security
• Splunk
• TCP/IP

More:

We are Bright Purple, hiring for a Senior Network Security Engineer role based in Scotland with a hybrid working arrangement. The schedule is rotational and includes nights and weekends, with a salary of up to 80,000. We are proud to be an equal opportunities employer and to work with clients who share our values of diversity and inclusion in the industry.

last updated 39 week of 2026