Site Reliability Engineering Manager

London, Eng April 17, 2026 Full Time Workday
White Collar Factory (95009), United Kingdom, London, London

Site Reliability Engineering Manager

About the Role

This is a critical leadership role for an experienced manager with a proven track record in developing technical staff, driving service excellence, and implementing significant reliability improvements within complex, large-scale, highly regulated systems. The successful candidate will be a hands-on leader, deeply invested in applying engineering principles to operations and software development problems, committed to motivating their team to design and deliver Java based service improvements at scale through their systems.

What you’ll do

  • You’ll lead a cross-functional group of software engineers focussed on the effective management and optimisation of applications, maintaining and improving reliability for our customers, whilst ensuring sustainability for the engineers themselves through automation and innovation.
  • Coach and nurture your engineers on how to achieve their technical, business and personal goals.
  • Collaborate with Senior Software Engineering managers to deliver improvements in support of the technical roadmap and customer satisfaction.
  • Ensure platforms are performant, reliable, scalable and secure.
  • Enhance the engineering and agile delivery processes with the team.

What we’re looking for

  • You’ll have experience in leading and supporting an engineering team to achieve operational excellence in support of technical and business objectives.
  • You’ll have excellent knowledge of building and managing critical applications.
  • You’re able to motivate and organise a team to manage the mandatory aspects of running applications in a highly regulated environment, whilst providing encouragement and support to improve technical and non-technical processes to make those aspects as lightweight and effective as possible.
  • You’re passionate about developing great engineering talent.
  • You'll demonstrate the ability to communicate effectively and work together across engineering to maximise inner-sourcing opportunities and reduce waste.

What you’ll get to learn (previous experience would be advantageous) 

  • Working with the cloud/AWS and the opportunities that it brings.
  • Solving real world problems and being comfortable working in a complex regulated environment.
  • Previous experience:
  • An in date AWS Certification, for example Cloud Practitioner, Associate Architect or Associate Developer  

Where and how you'll work

This is a permanent position based in our Nottingham office. 

We have a hybrid working model which gives you flexibility to work from our offices and from home.

We’re big on collaboration and connection, so you’ll be based in our Nottingham office 3 days a week on Tuesdays, Wednesdays and Thursdays.

What’s in it for you

  • Bring us all this and you’ll be rewarded with a role contributing to the product roadmap for an organisation committed to transformation

  • We’re continuing our journey into the public cloud and have problems of scale, security, availability and performance for you to help solve

  • We love continuous learning and that’s why we give you 10% of your time to work on cutting edge innovative projects that shape the way we will work in the future

  • We offer high performers strong and diverse career progression, investing heavily in developing great people through our Capital One University training programmes (and appropriate external providers)

  • Immediate access to our core benefits including pension scheme, bonus, generous holiday entitlement and private medical insurance – with flexible benefits available including season-ticket loans, cycle to work scheme and enhanced parental leave

  • Open-plan workspaces and facilities designed to inspire and support you. Our Nottingham head-office has a fully-serviced gym, subsidised restaurant, mindfulness and music rooms. In London, you can heighten your mood with a run on our rooftop running track or an espresso at the Workshop Coffee café

Capital One is committed to diversity in the workplace.

If you require a reasonable adjustment, please contact [email protected]  All information will be kept confidential and will only be used for the purpose of applying a reasonable adjustment.

For technical support or questions about Capital One's recruiting process, please send an email to [email protected]

Capital One does not provide, endorse nor guarantee and is not liable for third-party products, services, educational tools or other information available through this site.

Capital One Financial is made up of several different entities. Please note that any position posted in Canada is for Capital One Canada, any position posted in the United Kingdom is for Capital One Europe and any position posted in the Philippines is for Capital One Philippines Service Corp. (COPSSC).

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How to Get Hired at Capital One

  • Capital One positions itself as a technology company in financial services, so emphasize modern engineering skills, cloud experience (especially AWS), and data-driven thinking in your application
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