Network Security Specialist

Job Description

Recruiter: Jayson Coley-Wynters

Career Grade: D (Competitive + Benefits)

Internal Closing Date: 11th May 2026

Locations: Sheffield, London (One Brahm) or Belfast

PLEASE NOTE BEFORE APPLYING: Role requires SC & NPPV (minimum 5 years UK working history)

This role exists to provide specialist technical support on complex network security and cyber security deployments for any and all of our UK secure contracts. Building intermate working relationships and trust through effective communication and meeting expectation and deadlines is key. Liaising with customer representatives or vendors and directing other support staff where appropriate will form part of the role.

• We’re growing! We currently have vacancies in various teams, so if you have an ambition to be in Cyber Security, we want to hear from you.
• One key thing that all of our engineers have in common is a desire to develop/deliver brilliant, industry redefining platforms as well as their own skills.
• Provide leadership on Agile / ITIL processes and be a decision maker within the security team;
  Advising those who will be working directly with yourself on best practices and able to support from a 3rd Line Lead perspective.
• Develop peers and colleagues within the team through mentoring and leadership providing trustworthy honest feedback.

• External Professional Certification in Security Related discipline e.g. Fortinet NSE 7, Cisco CCNP, Checkpoint CCSE or Palo Alto PCNSE; covering some of the following key technologies
  • Fortinet
  • Cisco ASA & Fire Power
  • Cisco ISE
  • F5
  • Palo Alto
  • Zscaler
  • Check Point
  • Net Scaler
  • Python Go Bash
  • Native Cloud Security
  • Linux/Unix OS
  • Windows OS
• Rapid prototyping and testing potential solutions, and understanding how to run lean and iterate continuously.
• Design user journeys, service maps, documentation, user flows and wireframes

• Experience in Security Operations from a 3rd Line perspective
• Ability to support their team with day to day operations, ensuring customer satisfaction
• An intimate knowledge of Networks and Network Security
• A drive for leadership and