Technical Application Specialist - Kubernetes / Digital Certificates

lloyds banking group; Leeds; Hybrid; GBP 47,000 - 54,000; Full time

Job summary

A leading financial services firm in Leeds is seeking a Technical Application Specialist to deliver robust certificate management solutions. You will manage Kubernetes operations, automate certificate workflows, and provide technical guidance to teams. This role offers full-time hours with hybrid working flexibility and a comprehensive benefits package.

Benefits

Generous pension contribution

Annual performance-related bonus

Share schemes

Discounted shopping benefits

26 days holiday plus bank holidays

Wellbeing initiatives and parental leave policies

Qualifications

• Highly proficient in Kubernetes and cloud technologies.
• Ability to implement system changes for operational stability.
• Experience in automation, monitoring, and incident resolution.

Responsibilities

• Lead operation of containerised services in Kubernetes.
• Oversee lifecycle of certificate authorities and automation improvements.
• Provide guidance on secure certificate implementation.

Skills

Kubernetes

Cloud Technologies

Automation

Technical Troubleshooting

Leadership

Job description

Overview

End Date Sunday 12 October 2025

Salary Range £47,790 - £53,100

Flexible Working Options Hybrid Working, Job Share

Location Leeds

Hours Full-time - 35 hours per week

Working Pattern Our work style is hybrid, which involves spending at least two days per week, or 40% of our time, at one of our office sites.

Job Description

JOB TITLE: Technical Application Specialist

LOCATION(S): Leeds

Introduction As Technical Application Service Specialist, you’ll be working to deliver robust certificate management solutions to the organisation including complex projects and implementations, with particular focus on containerised workloads. Youll be involved with the design, deployment, management and optimisation of the digital certificate and PKI infrastructure. The role will have the opportunity to take on topics such as crypto agility, shorter lived certs and quantum readiness as well as finding opportunities to optimise and maximise our certificate estate.

Team & Focus Working as part of our Platform team, you’ll be part of technical initiatives to build and scale certificate automation patterns for containerised services running in Kubernetes environments. Your work will enable secure, scalable, and developer-friendly solutions that can be adopted across the bank.

Responsibilities

• Kubernetes Operations & Certificate Automation Lead the operation of containerised services in Kubernetes, ensuring seamless certificate automation across workloads, ingress controllers, and service mesh components. Design and maintain secure, scalable automation patterns that are easy for internal teams to adopt.
• Lifecycle & Platform Management Oversee the full lifecycle of certificate authorities, including automated renewal, secure distribution, and succession planning. Drive platform improvements through cloud-native tooling, GitOps workflows, and Kubernetes-native integrations.
• Technical Troubleshooting & Standards Conduct deep root cause analysis of certificate-related issues using scripting and observability tools. Define product specifications and testing standards to ensure certificate tooling aligns with Kubernetes-native workflows and evolving platform needs.
• Consultation & Mentorship Provide expert guidance to internal teams on secure certificate implementation, covering mutual TLS, service mesh integration, and secret management. Mentor junior engineers and contribute to platform engineering best practices.
• Security Policy & Governance Support IT Security policy development and implementation across containerised environments, ensuring procedures are aligned with secure certificate practices and monitored effectively.

What you’ll need

• Cloud Technology – You’ll be highly proficient with cloud technologies, in particular Kubernetes.
• Technology Expertise – Provide deep technical insights and lead the resolution of complex service-related issues within our source business systems and web technologies. Demonstrated ability to implement system changes and ensure operational stability across multiple platforms and business units.
• Operational – Take full ownership of system availability, performance, and currency, accepting 24/7 accountability. Experience in automation, monitoring, observability, incident resolution, war room support and root cause analysis. Ability to troubleshoot, debug, and resolve technical issues, and to explain and prioritise problems and solutions.
• Leadership – Setting engineering standards and ensuring solutions align with business goals and architecture. Ability to support diverse engineering change in an agile environment; strong collaboration and communication. Responsible for coaching, mentoring, and promoting best practices across Product & Engineering.
• Governance – Manage third party relationships and support regular governance meetings, focused on service performance, security and risks.

About working for us

Like the modern Britain we serve, we’re evolving. Investing billions in our people, data and tech to transform the way we meet the ever-changing needs of our 26 million customers. We’re growing with purpose. Join us on our journey and you will too.

Our focus is to ensure we’re inclusive every day, building an organisation that reflects modern society and celebrates diversity in all its forms. We want our people to feel that they belong and can be their best, regardless of background, identity or culture.

We were one of the first major organisations to set goals on diversity in senior roles, create a menopause health package, and a dedicated Working with Cancer initiative. And it’s why we especially welcome applications from under-represented groups. We’re disability confident, so if you’d like reasonable adjustments to be made to our recruitment processes, just let us know.

What you'll get in return

• A generous pension contribution of up to 15%
• An annual performance-related bonus
• Share schemes including free shares
• Benefits you can adapt to your lifestyle, such as discounted shopping
• 26 days’ holiday, with bank holidays on top
• A range of wellbeing initiatives and generous parental leave policies

This is a once in a career opportunity to help shape your future as well as ours. Join us and grow with purpose.

At Lloyds Banking Group, we driven by a clear purpose; to help Britain prosper. Across the Group, our colleagues are focused on making a difference to customers, businesses and communities. With us youll have a key role to play in shaping the financial services of the future, whilst the scale and reach of our Group means youll have many opportunities to learn, grow and develop.

We keep your data safe. We1 only ever ask you to provide confidential or sensitive information once you have formally been invited along to an interview or accepted a verbal offer to join us which is when we run our background checks. We1 always explain what we need and why, with any request coming from a trusted Lloyds Banking Group person.

We’re focused on creating a values-led culture and are committed to building a workforce which reflects the diversity of the customers and communities we serve. Together we’re building a truly inclusive workplace where all of our colleagues have the opportunity to make a real difference.