Senior Network Security Engineer

Salary: £80,000 – 80,000 per year

Requirements

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

Responsibilities

• We own incidents end-to-end across Incident, Major Incident, Change, Problem, and Service Request workflows in an ITIL-aligned environment.
• We lead real-time response to live DDoS attacks and complex network events as they unfold.
• We perform advanced 1st-3rd line triage and troubleshooting across the platform and customer environments.
• We act as a subject matter expert on our real-time mitigation technology.
• We serve as the technical escalation point for junior engineers.
• We work directly with customers and partners during high-impact incidents.
• We collaborate closely with Engineering, Product, and Threat Intelligence to feed insight back into the platform.
• We drive documentation, runbooks, and operational improvements that raise team performance.
• We mentor junior engineers and support their development.
• We continuously deepen our own networking and DDoS expertise.

Technologies

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

More

We are Bright Purple, an equal opportunities employer working with clients who share our values of diversity and inclusion in our industry. This is a Senior Network Security Engineer role based in Scotland with hybrid working available, offering a salary of up to £80,000. The role sits within a collaborative team environment where we work closely with Engineering, Product, Threat Intelligence, customers, and partners to respond to high-impact security incidents and improve operational performance.

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