Job DescriptionNetwork Security SpecialistReq ID: 57358Posting Start Date: 30/04/2026Job Function: Cyber SecurityDivision: UK BusinessJob Location: GBR Sheffield EndeavourAdvertised Salary: Competitive + BenefitsRecruiter: Jayson Coley-WyntersCareer Grade: D (Competitive + Benefits)Internal Closing Date: 11th May 2026Locations: Sheffield, London, (One Brahm) or BelfastPLEASE NOTE BEFORE APPLYING: Role requires SC & NPPV (minimum 5 years UK working history)Job DescriptionWhy this job mattersThis 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.What you'll be doingWe'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.Skills required for the roleExternal 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 technologieso Fortineto Cisco ASA & FirePowero Cisco ISEo F5o Palo Altoo Zscalero CheckPointo NetScalero Python Go Basho Native Cloud Securityo Linux/Unix OSo Windows OSRapid prototyping and testing potential solutions, and understanding how to run lean and iterate continuously.Design user journeys, service maps, documentation, user flows and wireframesExperience you will be expected to haveExperience in Security Operations from a 3rd Line perspectiveAbility to support their team with day to day operations, ensuring customer satisfactionAn intimiate knowledge of Networks and Network SecurityA drive for leadership andWith over 180 years of heritage, BT Business has brought together our best people and capabilities into a B2B powerhouse serving 1.2 million business customers in the UKWe’re a leader for secure connectivity and collaboration platforms for businesses of all shapes and sizes, from big household names and government departments, right through to sole traders and new start-ups. But it’s not just the technology that matters, it’s what it can do to help them build stronger, smarter, more secure businesses.We are Customer-First Challengers, who are Committed, Clear and Connected. We value diversity and inclusion and believe in making a positive impact. We connect for good by championing digital inclusion and equipping people, businesses, and communities with digital skills to thrive.As a member of our team, you will be part of an organisation that celebrates difference, fosters innovation and provides you with opportunities to be your best. With millions of businesses relying on us daily, joining BT means you can be part of a diverse and multi-skilled team that makes a significant impact to society.
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