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Public Cloud - GCP Principal Engineer

Knutsford, United Kingdom; Glasgow, United Kingdom

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Key information

Date live: 23/01/2026

Business Area: GTIS

Area of Expertise: Technology

Contract: Permanent

Reference Code: JR-0000087433

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It’s happening at Barclays.

Be a part of a place where challenges are measured in billions, qubits and nanoseconds. Build your career in an environment where we’re advancing machine learning, leveraging blockchains, and harnessing FinTech. Working in Barclays technology, you’ll reimagine possibilities: learning and innovating to solve the challenges ahead, delivering for millions of customers.
We are shaping the future of financial technology.
Why not join us and make it happen here?

Where will you be located?

Explore location

To provide technical leadership for the GCP product, providing technical guidance, mentorship, and support to ensure the delivery of high-quality GCP platform services and secure patterns, driving technical excellence, fostering a culture of innovation, and collaborating with cross-functional teams to align technical decisions with business objectives. 

Person Specification

  • Extensive experience of working within financial services across several technology domains, with experience across GCP and at least one other hyperscaler.
  • Extensive experience in designing and delivering resilient production GCP platforms in a regulated Financial Services environment.
  • Expert track record of working collaboratively and developing strong, productive internal and external relationships across a matrixed global organisation.
  • Application of modern development practices, inc. spec-driven AI coding, TDD, DORA metrics, pair programming and code reviews.
  • Highly organised, diligent and skilled in managing complex projects (both strategic and tactical) using Agile and lean methodologies.
  • Able to explain complex GCP architecture decisions to technical and non-technical stakeholders, and produce clear technical documentation (ADRs, runbooks)A world class technical communicator, able to command respect from peers and junior engineers alike.
  • Deep expertise and proven acumen in diagnosing distributed systems issues - network analysis, trace correlation, GCP-native debugging.

Essential Skills/Basic Qualifications:

  • Practical knowledge of GCP architecture, network connectivity & regional deployment patterns, security controls (e.g. org policies, vpc service controls) and delivering environments in a fully automated method via infrastructure as code.
  • Extensive experience delivering secure service in public cloud, with a deep knowledge of security controls (both preventive and detective), cyber security tooling such as OPA, Wiz, code scanning technologies etc. 
  • Practical hands-on production experience delivering integrations with tools like GitLab, Terraform Enterprise, ServiceNow, Observability tools, Wiz etc.
  • Development skills across a range of development technologies and languages with the ability to develop Infrastructure as Code, integrations using languages such as python and creating APIs. 
  • Outstanding relationship & stakeholder management skills.
  • Experience with the configuration of Apigee on GCP is preferred.
  • Experience with other CSPs such as AWS and Azure is required.
  • Experience delivering AI solutions on GCP or other hyperscalers is preferred

Purpose of the role

The Principal Engineer for GCP is an individual contributor role with deep hands-on expertise across all aspects of GCP including secure platform design, build and integration with management tooling. This is an exciting time to join the Public Cloud team, Barclays is early in our GCP adoption and you will play a lead role in defining the GCP design, build and strategy working closely with the product manager to set technical direction, architecture and define integrations in close collaboration with our Engineering teams. Additionally, you will provide technical leadership, mentorship, and knowledge sharing to foster a culture of excellence and innovation within the Cloud Platforms organisation.

Accountabilities

  • Be the recognised expert within GTIS Cloud Platforms and the firm for the GCP platform, with strong knowledge of at least one other public cloud hyperscaler.
  • Set the strategic direction and provide visionary leadership for the GCP product roadmap.
  • Drive a secure, resilient and scalable platform while providing a best-in-class engineering experience to our internal customers. 
  • Build strong partnerships to foster cross-organisation collaboration.
  • Develop, customise, and integrate secure patterns to allow the successful design and build of scalable multi-region platform design to support critical services.
  • Implement security and controls to meet necessary compliance and regulatory needs for protection of data and assets in the public cloud.
  • Drive platform reliability through chaos engineering, SRE, Observability and incident response excellence.
  • Build self-service platform capabilities reducing time-to-production for application teams.

Director Expectations

  • To manage a business function, providing significant input to function wide strategic initiatives. Contribute to and influence policy and procedures for the function and plan, manage and consult on multiple complex and critical strategic projects, which may be business wide..
  • They manage the direction of a large team or sub-function, leading other people managers and embedding a performance culture aligned to the values of the business. Or for an individual contributor, they lead organisation wide projects and act as deep technical expert and thought leader, identifying new ways of working and collaborating cross functionally. They will train, guide and coach less experienced specialists and provide information affecting long term profits, organisational risks and strategic decisions..
  • Provide expert advice to senior functional management and committees to influence decisions made outside of own function, offering significant input to function wide strategic initiatives.
  • Manage, coordinate and enable resourcing, budgeting and policy creation for a significant sub-function.
  • Escalates breaches of policies / procedure appropriately.
  • Foster and guide compliance, ensure regulations are observed that relevant processes in place to facilitate adherence.
  • Focus on the external environment, regulators, or advocacy groups to both monitor and influence on behalf of Barclays, when appropriate.
  • Demonstrate extensive knowledge of how the function integrates with the business division / Group to achieve the overall business objectives.
  • Maintain broad and comprehensive knowledge of industry theories and practices within own discipline alongside up-to-date relevant sector / functional knowledge, and insight into external market developments / initiatives.
  • Use interpretative thinking and advanced analytical skills to solve problems and design solutions in often complex/ sensitive situations.
  • Exercise management authority to make significant decisions and certain strategic decisions or recommendations within own area.
  • Negotiate with and influence stakeholders at a senior level both internally and externally.
  • Act as principal contact point for key clients and counterparts in other functions/ businesses divisions.
  • Mandated as a spokesperson for the function and business division.

All Senior Leaders are expected to demonstrate a clear set of leadership behaviours to create an environment for colleagues to thrive and deliver to a consistently excellent standard. The four LEAD behaviours are: L – Listen and be authentic, E – Energise and inspire, A – Align across the enterprise, D – Develop others.

All colleagues will be expected to demonstrate the Barclays Values of Respect, Integrity, Service, Excellence and Stewardship – our moral compass, helping us do what we believe is right. They will also be expected to demonstrate the Barclays Mindset – to Empower, Challenge and Drive – the operating manual for how we behave.

Barclays welcomes applications from all candidates and is committed to ensuring reasonable adjustments (accommodations) are put in place to allow for a fair and inclusive recruitment process. For more information and how to request one, please review Adjustments to the recruitment process.

We’re a global, vital and highly respected financial organisation with an inspiring Purpose. Operating in 39 countries and employing around 100,000 people across the world, we help communities, individuals and businesses thrive. And we’ve created financial solutions and technology that the world now takes for granted. A career with us can offer incredible variety, depth and breadth of experience, and the chance to learn from some of the best minds in technology and finance.

To find out more about Barclays' strategy please click here.

We are an equal opportunity employer and opposed to discrimination on any grounds. It is the policy of Barclays to ensure equal employment opportunity without discrimination or harassment on the basis of race, colour, creed, religion, national origin, alienage or citizenship status, age, sex, sexual orientation, gender identity or expression, marital or domestic/civil partnership status, disability, veteran status, genetic information, or any other basis protected by law.

Barclays is required by law to confirm that you have the Legal Right to Work in any role that you apply for. If you currently hold a work visa sponsored by Barclays, or you would require sponsorship from Barclays, you must declare this as part of your application. Sponsored visas are role and entity specific and any changes must be reviewed. It is important that you ensure you are working on the correct visa at all times. Failure to accurately disclose your visa status or Legal Right to Work may result in your application or any employment offer being withdrawn at any time.

Who succeeds in
Tech at Barclays?

For a career with us, you need to be prepared to take big steps forward, curious to face the challenges ahead, and driven to focus on the outcomes. We need people with the Barclays mindset to make it happen here.

Qualities we look for:motivator, supporter, connector, driver, communicator, transformer, maker, observer

What you'll get in return

Competitive holiday allowance
Life assurance
Private medical care
Pension contribution

Our technology

Supporting our 48 million customers and clients worldwide takes a lot of forward thinking. It means harnessing technology to support the economy. It means making a difference to people’s lives. And it requires the maintenance and development of a global, technological infrastructure. At Barclays, technology helps us keep transactions moving, manages data, and protects our customers. Join a world where your work creates unique moments of impact. Make it happen here.

This is Barclays Manchester

Barclays Knutsford is a world-class campus in the heart of the Cheshire countryside, and at the centre of our global operations. The place where it all happens. The place where we deliver the technology, security and customer care that our personal and corporate banking customers rely on 24/7/365.

Our redeveloped campus offers state-of-the art, collaborative workspaces set within 64 acres of lush gardens and surrounded by wildlife.

To ensure our campus is accessible to everyone, we offer a shuttle bus from the local bus, tram, and train stations on weekdays.

There are endless opportunities to socialise, pursue personal interests, visit the onsite gym, or join one of our many clubs and groups.

We run amazing experiences, from firework displays to gigs, diverse celebrations and art & crafts sessions. There’s something for you.

This is Barclays Manchester

Barclays Knutsford is a world-class campus in the heart of the Cheshire countryside, and at the centre of our global operations. The place where it all happens. The place where we deliver the technology, security and customer care that our personal and corporate banking customers rely on 24/7/365.

A workplace like no other

Our redeveloped campus offers state-of-the art, collaborative workspaces set within 64 acres of lush gardens and surrounded by wildlife.

Your commute

To ensure our campus is accessible to everyone, we offer a shuttle bus from the local bus, tram, and train stations on weekdays.

Much more than work

There are endless opportunities to socialise, pursue personal interests, visit the onsite gym, or join one of our many clubs and groups.

Immersive events

We run amazing experiences, from firework displays to gigs, diverse celebrations and art & crafts sessions. There’s something for you.

Barclays

Working flexibly

We’re committed to providing a supportive and inclusive culture and environment for you to work in. This environment recognises and supports your personal needs, alongside the professional needs of our business. If you'd like to explore flexible working arrangements, please discuss this with the hiring manager. Your request will be reviewed in-line with the requirements of the role/business needs of the team.

Hybrid working

We have a structured approach to hybrid working, where colleagues work at an onsite location on fixed, ‘anchor’, days, as set by the business area. Please discuss the working pattern requirements for the role you are applying for with the hiring manager. Please note that working arrangements may be subject to change on reasonable notice to ensure we meet the needs of our business.

Barclays is built on an international scale.

Our geographic reach, our wide variety of functions, businesses, roles and locations reflect the rich diversity of our worldwide customer base. All of which means we offer incredible variety, depth and breadth of experience. And the chance to learn from a globally diverse mix of colleagues, including some of the very best minds in banking, finance, technology and business. Throughout, we’ll encourage you to embrace mobility, exploring every part of our operations as you build your career.

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