Infrastructure Engineer; ZTNA

Infrastructure Engineer (ZTNA) Job Summary

End date:
Tuesday 28 July 2026

Salary: £48,987 - £55,000

Location:

Edinburgh, Leeds, Manchester

Hours:

Full-time

Working pattern:
Hybrid (at least two days per week, or 40% of time in office)

Hybrid Working, Job Share

You’ll be a key engineer responsible for designing, evolving and operating our Zero Trust Network Access (ZTNA) platforms, protecting access to critical applications and services through modern identity‑aware and context‑driven security controls.

You’ll work using modern engineering practices such as automation and secure‑by‑default design to improve resilience, performance and security. This role offers real scope to influence technical direction, uplift engineering standards, and develop our ZTNA and wider Zero Trust capabilities. Day to day, you’ll operate with a high degree of autonomy and technical influence, engineering new capabilities using Infrastructure‑as‑Code, CI/CD and policy‑as‑code approaches, driving platform modernisation, improving observability and telemetry, supporting major incident diagnostics, embedding Zero Trust principles, and producing high‑quality engineering documentation.

You’ll also participate in the on‑call rota, contributing to the operational resilience of critical access services.

• Proven engineering mindset with hands‑on experience across ZTNA, remote access or identity‑aware access technologies across on‑prem and cloud
• Demonstrable experience in Cloud network security (preferably Azure and GCP)
• Strong automation and scripting skills (Python preferred)
• Practical experience using Infrastructure‑as‑Code tools (Terraform preferred)
• Experience working with modern CI/CD pipelines
• Strong understanding of networking fundamentals including TCP/IP, DNS and TLS
• Knowledge of identity protocols such as SAML and OIDC
• Understanding of Zero Trust principles
• Ability to lead complex technical investigations and diagnose issues under pressure
• Confidence to influence engineering decisions and contribute to technical direction

• Knowledge of Identity & Access Management (IAM)
• Experience with device posture and endpoint security
• Understanding of secure application access patterns
• Experience with Zero Trust architectures
• Knowledge of federation and user‑to‑application segmentation
• Professional cloud certifications
• Security, identity or network engineering accreditations

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

Our ambition is to be the leading UK business for diversity, equity and inclusion, supporting our customers, colleagues and communities. We are committed to creating an environment in which everyone can thrive, learn and develop. We were one of the first major organisations to set goals on diversity in senior roles, create a menopause health package, and launch a dedicated Working with Cancer initiative.

We offer reasonable workplace adjustments for colleagues with disabilities, including flexibility in office attendance, location and working patterns. As a Disability Confident Leader, we guarantee interviews for a fair and proportionate number of applicants who meet the minimum criteria for the role and have a disability, long‑term health or neurodivergent condition, through the Disability Confident Scheme. We provide reasonable adjustments throughout the recruitment process to reduce or remove barriers – just let us know what you need.