3rd Line Security Engineer

Job Title: 3rd Line Security Engineer Req ID: 57886 Job Function: Service Posting Start Date: 07/07/2026 Posting End Date: 10/07/2026 Division: UK Business Job Location: IND Gurugram - Tower B and C Advertised Salary: Competitive Job Req ID: Posting Date: Function: Location: Salary:

About The Role To manage and administer security technologies for BT and its Global customers. Provide Level 3 technical support on Security Technologies like Firewalls, Proxies, load balancer, Cloud security. Provide escalation support and liaising with customer representatives or vendors and supporting/directing other support staff where appropriate. On-boarding of new product to operation team and taking contract ownership. Position is based out of Gurgaon‘s Global Security Operational Centre.

What You’ll Be Doing Form an integral part of 24*7 rota to provide security in-life support Work on complex incidents, problems and changes within the Operational environment. Provide level 3 operational support and own the high priority incident while maintaining the agreed SLA. Be the technology SME for specialised product as per contract or business need Be the Contract SME obtaining full infrastructure, tools and process knowledge. Be the Single point of Contact for design or contract team for any operation query or escalation support Contribute to new Product launch and technical evaluation for managed security services Provide escalation support to team members including first and second line of defence. New customer on-boarding and Acceptance into Service of new product for existing customers. Root cause analysis and building PIR as and when required Provide customer technical advisory services in support of new BT Security Service. Working with the customer and account teams in the technical data requirements capture phase. Provide consultancy and support in Vulnerability management, IOS upgrades and policy management. Ensure full awareness of the need to safeguard sensitive customer information at all times, so that customers perceive BT to be a trustworthy organisation. Provide leadership and training to technical support staff including mentoring of 2nd line to improve diagnostic skills and quality of incident management. Gain customer trust and be customer focused. Understand customer deployment journey and relay the learnt knowledge with team.

Essential Skills / Experience Mandatory: Hands-on experience in operation and management of security infrastructure. Handle complex incidents, problems, and changes within the operational environment. Provide level 3 operational support and take ownership of high-priority incidents, ensuring SLAs are met. Act as the SME (Subject Matter Expert) for specialized products, as per contract/business needs. Serve as the single point of contact for any operational queries or escalation support. Contribute to new product launches and technical evaluations for managed security services. Implementation and operation support experience on F5 LTM,GTM, ASM,AFM Zscaler, Prisma Access implementation and support 6+ years of troubleshooting experience with the following products/technologies: Next-gen Firewalls (Cisco Firepower/FTD, Fortinet Virtual/Appliance) IPS, Web Application Firewalls Loadbalancers (F5 LTM/GTM, NetScaler, F5 WAF) Understanding of Identity and Access management solution like Forescout, Beyond trust, Okta, CyberArk, Cisco ISE Knowledge of SDWAN will be an added advantage Ability to provide Tier 3 support and manage complex and escalated tickets Knowledge of Cyber Security domains will be an added advantage Stakeholder management and ability to work under pressure Effective oral and written communication

Experience You Would Be Expected To Have Experience of working in a global security operation environment, ticketing-tools like remedy, Service Now and exposure to ITIL processes in context of service operations is a plus Minimum professional level certification in Cisco CCNP Security, CCIE Security , Palo Alto PCNSA, PCNSE, Prisma Access. Professional Qualification such as B.E./B.Tech/MCA Diploma in a relevant field is Acceptable BT Group is the UK’s leading communications group and the holding company behind some of the country’s most recognised brands – including BT, EE, Openreach and Plusnet. Our purpose is as simple as it is ambitious: we connect for good. Our customers include consumers, small, medium and large businesses, public sector organisations and other communications providers. BT Group’s role is about setting direction, unlocking value and creating the conditions for our brands and businesses to thrive. Having come through the most capital-intensive phase of our fibre investment, our focus now is on what comes next – simplifying how we operate, using technology and AI to work smarter, and organising ourselves to serve customers better and grow sustainably. Group teams shape strategy, policy, brand, capital allocation and transformation, helping the whole organisation perform at its best. We have a singular culture that unites all our people: we are customer-first challengers, who are committed, clear and connected. These behaviours unite us as one team to deliver for our colleagues, our customers, our stakeholders and the country. Joining BT Group means working at the heart of a business that matters to the UK, with the opportunity to shape decisions, influence outcomes and help set the future course of one of the country’s most important companies.