Job Title: Technical Application Specialist (Cryptography)
Salary: £72,702 - £80,780
Locations: Leeds, Edinburgh, Manchester
Hours: Full time (requires 24x7 on‑call rota)
Working Pattern: Hybrid; at least two days per week, 40% of time at listed location
About This Opportunity
The Chief Security Office (CSO) plays a vital role in delivering Lloyds Banking Group's vision of putting customers at the heart of everything we do, helping Britain prosper, and protecting the Group and its customers and suppliers from security threats.
As a Senior Technical Application Specialist in our Crypto team, you'll play a key role in operating, securing, and evolving code. This is a unique opportunity to work on initiatives that will transform the way mainframe cryptography is consumed, as well as write and develop code that provides various Cryptographic functionality.
Key Responsibilities
* Design, develop, and maintain code and utilities that provide cryptographic services to integrate with enterprise security tooling.
* Write new code and enhancements to deliver cryptographic functionality, and review existing codebases to identify improvements, refactor legacy implementations, and address security, performance, or maintainability concerns.
* Troubleshoot and resolve complex system‑level issues, performing cause analysis alongside application and infrastructure teams.
* Collaborate with security, infrastructure, and application teams to identify and implement best practices for supported services.
* Contribute to platform modernisation initiatives, including automation, tooling improvements, and integration with distributed and cloud‑based services.
* Identify and implement automation and process improvements to enhance operational efficiency and reduce platform risk.
What We're Looking For
* Extensive knowledge and hands‑on experience employing up‑to‑date development methods and technologies
* Extensive knowledge and hands‑on experience of key SecDevOps concepts, tooling and programming/scripting languages:
* Source Control (GitHub),
* IDE / Interactive Development Environments (IDE),
* Command Line Interface (CLI), Bash, Python
* Terraform, Harness, Azure DevOps,
* Containers (Docker, Kubernetes)
* CI/CD, IaC, PaaS
* An understanding of key lifecycle‑management is a bonus.
* You will have the ability to work on your own initiative, and you will mentor junior colleagues in the design, implementation, and support of both strategic and legacy mainframe services.
* You will show the aptitude to acquire the skills and knowledge to run and coordinate the maintenance and support of critical platforms, tools, and operational processes.
This is a Place for You
Our ambition is to be the leading UK business for diversity, equity and inclusion supporting our customers, colleagues and communities and we’re committed to creating an environment in which everyone can thrive, learn and develop.
Benefits
* 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
* Up to 30 days holiday, with bank holidays on top
* A range of wellbeing initiatives and generous parental leave policies.
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