Senior Mainframe DevEx Lead | GitHub-Driven Tooling & AI

HSBC; Sheffield; On-site; GBP 95,000 - 140,000; Full time

Benefits offered by this job

Private healthcare

Enhanced maternity and adoption pay

Contributory pension scheme

Job summary

HSBC is seeking an experienced Technical Services Manager to lead a hands-on engineering team across the UK, USA and Mexico, modernising the mainframe developer experience and SDLC, shifting to a GitHub-centred model, standardising tooling and automating processes to raise productivity.

You will own end-to-end delivery of developer tooling capabilities, act as a senior technical escalation point, and manage a team of 5–8 engineers while collaborating with Product Owners to deliver a consistent

Qualifications

• Hands-on mainframe engineering (z/OS) with a strong delivery background in a controlled enterprise environment.
• Experience moving teams to GitHub-based engineering (branching models, PR governance, repo standards, automated checks/quality gates).
• Proven experience delivering APIs for engineering consumption with secure contracts, logging, and versioning.

Responsibilities

• Lead features from design to release and contribute directly through coding and code reviews.
• Establish and uphold standards for maintainability, security, reliability, and observability across the mainframe DevEx/tooling estate.
• Act as senior escalation for complex build/deploy/tooling issues across UK/US/Mexico, driving root‑cause fixes.
• Define and deliver a measurable DevEx roadmap—faster onboarding, fewer manual steps, clearer standards, improved feedback loops, and productivity gains.
• Build and maintain standard templates and practices adopted across regions.
• Lead the shift from traditional mainframe SCM approaches to a GitHub‑centred model, embedding PR‑based change control and automated gates.
• Engineer and standardise a secure, scalable toolchain for source, build, artefact, and deployment across regions; design and deliver production‑grade APIs.
• Introduce and scale AI‑assisted engineering practices with safe working and review expectations; run pilots across regions.

Skills

Mainframe engineering

GitHub-based engineering

API delivery

Team leadership

DevEx tooling

Observability

Security

Tools

Endevor

Changeman

GitHub

Automation tooling

Job description

HSBC is seeking an experienced Technical Services Manager to lead a hands-on engineering team across the UK, USA and Mexico, modernising the mainframe developer experience and SDLC, shifting to a GitHub-centred model, standardising tooling and automating processes to raise productivity.

You will own end-to-end delivery of developer tooling capabilities, act as a senior technical escalation point, and manage a team of 5–8 engineers while collaborating with Product Owners to deliver a consistent