2ND LINE SECURITY ENGINEER
BT Group
Work from Office
Full Time
Min. 2 yearsJob Description
2ND LINE SECURITY ENGINEER
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About the role
A 2nd Line Security Engineer provides advanced operational support for enterprise network security services, handling complex incidents, service requests, and security changes. The role involves troubleshooting and managing technologies such as Fortinet, Palo Alto, Cisco ISE, VPN, and secure network connectivity. The engineer performs root-cause analysis, supports major incidents, and works closely with customers and internal resolver teams. They also ensure adherence to SLAs, security standards, change controls, and operational processes.
What you’ll be doing
To deliver aspects of a Security procedure, and/or process for BT that support the security strategy and policy and considers risks and appropriate legal and regulatory constraints
Incident Management decision maker within a defined scope responsible for ensuring that mitigation controls and incident response are appropriate and delivered in a professional manner and against relevant SLA/timescales
Providing security advice and consultancy to Lines of Business within BT and external customers,
Supports security compliance relationships with national Government or industry bodies.
Produce and support polices, functions and configuration builds to allow implementation of customer projects.
Complete and own integration testing on new products and services, producing all relevant supporting documentation
Attend meetings on behalf of the team leader and line manager.
Ensure full awareness of the need to always safeguard sensitive customer information, so that customers perceive BT to be a trustworthy organisation.
Maintain consistent and seamless 24/7/365 cover as a member of the shift team.
Essential Skills / Experience
Knowledge and understanding of at least three of the following Key technologies/products supported in order to perform in-depth troubleshooting and complete complex configuration changes:
Checkpoint
Cisco ASA & Firepower
Cisco Network (IOS)
Cisco ISE
Palo Alto SSE
Palo Alto SDWAN
Fortinet SSE
Fortinet SDWAN
Zscaler ZIA/ZPA/ZDX
Netscaler/F5
SASE Solutions
Cisco Umbrella
MS Azure
Terraform
General knowledge and understanding of TCP/IP & OSI seven-layer model and how data networks are structured and operate.
Desirable Skills / Experience
Palo Alto/Zscaler
Communication
ITIL V4
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.
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