Job DescriptionJob Title: Application Support EngineerReq ID: 60988Job Function: Software EngineeringPosting Start Date: 06/11/2026Posting End Date: 08/11/2026Division: DigitalJob Location: GBR Bristol - AssemblyAdvertised Salary: Competitive + Benefits!## **Location**This role is based out of our Assembly, Bristol office. We have a hybrid working model of 3 days together and 2 days wherever.**Due to the nature of the work, you will need to be elegible for security clearance+.**## **About the role**Public Key Infrastructure (PKI) is critical for securing trust in a digital world. As an Application Support Engineer within the Security Software Services team, you will be part of a second line support team who are responsible for maintaining and improving in-life services of designated PKI platforms, supporting a mixture of internal and external customers.This is a great opportunity to join a niche, but growing team, focused on delivering security critical platforms.## **What you’ll be doing**1. Provide 2nd Line technical support to external and internal customers by leading technical troubleshooting and performing root cause analysis.2. Identify opportunities to reduce incident volumes through automation and process improvement.3. Identify, manage and mitigate vulnerabilities and risks affecting our platforms.4. Be part of an on call rota to ensure potential service impacting incidents are managed 24/7.5. Plan and implement routine security patching, application releases and upgrades.6. Ensure changes are tested, documented, and implemented with minimal customer impact. Some out of standard office hours work will be required to implement changes.7. Maintain operational documentation, runbooks, and knowledge articles.8. Support the maintenance and continual improvement of BCDR plans through regular disaster recovery exercises and resilience testing.9. Support compliance activities, audits, and Key Ceremonies.10. Ensuring all in-life activities are managed within our service level agreements (SLA’s).## **Essential Skills / Experience*** Strong diagnostic and problem solving – Demonstrates the ability to analyse complex technical issues, identify root causes, and drive incidents through to successful resolution.* Customer focus – Ability to understand customer requirements, communicate effectively with stakeholders, and deliver solutions that meet business and operational needs.* Command Line Interfaces – Experience supporting operating systems via CLI, with a preference for supporting Linux environments.* Databases – Strong understanding relational databases, including the ability to query, troubleshoot, and support database-driven applications.## **Desirable Skills / Experience*** Public Key Infrastructure (PKI) - Basic understanding of PKI and cryptographic technologies, including certificates and key management* Kubernetes - Strong understanding of Kubernetes concepts and containerised application environments, including deployment and operational support.## **Our Package**Tailored benefits make a real difference. That’s why we offer a comprehensive range to support your growth, wellbeing, and everyday life. You can design the package to suit you and your lifestyle.Your core benefits include: • 10% on target annual bonus • Access to an online private GP 24/7 for you and your immediate family • Market-leading paid carers leave with up to 2 weeks off • Equalized maternity, paternity, and adoption leave – 18 weeks’ full pay and 8 weeks’ half pay • Discounted EE and BT products, including mobile and broadband • Market leading Pension scheme – 5% from you and 10% from us • Holiday purchase schemeYou can select additional benefits, including healthcare, dental, gym memberships and more when you’re ready.Ready to connect for good and help shape the future? **Apply now.**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.
Application Support Engineer employer: BT Plc.
BT Group is an exceptional employer, offering a dynamic work environment in vibrant cities like Birmingham, Bristol, and London. With a strong focus on employee growth, flexible working arrangements, and a comprehensive benefits package, including private healthcare and generous parental leave, BT fosters a culture of collaboration and innovation. As a Senior Manager in Pricing & Regulatory, you'll have the opportunity to lead impactful initiatives while being supported by a diverse team dedicated to customer fairness and commercial success.
