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136,000+ live jobsSenior Site Reliability Engineer
Hybrid in London·Full-time·Added 14 days ago
17 open roles
Overview
Job details
Full-time
Per the ad.
Hybrid
Office and home days — the ad has the split.
Requirements
Be near London for hybrid days
No relocation package mentioned.
Have senior-level experience
Senior-level role.
Benefits
25 days holiday + bank holidays
Paid annual leave, per the ad.
Pension matched up to 5%
The employer matches what you pay in, per the ad. The legal minimum is 3%.
Cycle to work and season ticket loan
Commuter benefits named in the ad.
Skills
Pay & benefits
What you'll get
Highly competitive salary
Pension plan (match up to 5%)
Life insurance - three times annual salary
Competitive maternity (six months fully paid) and paternity leave (four weeks fully paid)
Shared parental leave (matched to our maternity leave for the same point in time)
25 days holiday and bank holidays
Flexible working hours
Cycle-to-work scheme
Electric car scheme
Season ticket loan
Access to outstanding learning materials and courses
Sports and hobby clubs, subsidised by Thought Machine
All the latest tech you need
Start the day properly with fresh fruit and cereals
Huge range of healthy (and not-so-healthy) snacks, smoothies and drinks
A talented and experienced team as your colleagues
An environment where we encourage learning and progress
Two charity days a year
Weekly food pop-up
The role
Thought Machine's mission is bold - to properly and permanently rid the world's banks of legacy technology. To achieve this, we have developed the foundations of modern banking through core and payments technology which run natively in the cloud. What we are attempting is hard and means we need great people working together to build great technology.
Thought Machine's Site Reliability Engineers are the guardians of mission-critical systems for the world's most influential financial institutions. As a member of our elite, globally distributed team, you'll be entrusted with running and maintaining the robust production infrastructure that powers our customers' cutting-edge Core Banking and Payments platforms. This is an opportunity to make a tangible impact on the global financial landscape while collaborating with brilliant minds to solve complex engineering challenges.
What you'll do
This role will be part of the Site Reliability Engineering team at Thought Machine HQ in London, tackling the challenges of automating complex fleet management operations, mentoring team members, promoting communities of best practice within engineering as well as designing operational processes that provide effective interfaces between Thought Machine and our SaaS customers.
The SRE team is deeply involved in tackling the technical challenges of executing Thought Machine's growth ambitions - expect to be working with senior stakeholders in the organisation and with our customers, and working on programmes and initiatives that are critical to the success of the company.
Supporting the product engineering teams in building highly fault-tolerant, scalable applications by participating in design discussions, engaging in RFCs and code reviews.
Executing various department strategies - contributing to the design and scoping work for team members around disaster recovery, backup, redundancy and capacity planning activities.
Being part of a global on-call rotation responsible for identifying and fixing bottlenecks in SaaS customer environments.
Regular maintenance of production systems that host Vault products.
Driving the evolution of our SaaS products by defining and designing features that foster exceptional reliability and an unparalleled user experience.
Implementing and regularly testing DR strategies to ensure the highest level of resilience and fault tolerance of the platform.
Maintain and promote high-quality written documentation of assets, processes and runbooks that are used by the team in their day-to-day operations,
Working with your Manager in growing team members in their technical skills as well as their understanding of Vault Products.
Requirements
You have a track record of delivering high-impact projects with focus on long-term scalability, ensuring that human intervention scales sub-linearly with usage growth.
You possess an up-to-date understanding of design patterns relevant to hosting and networking architectures.
You proactively champion product development, driven by a desire to build truly exceptional products, not just solve immediate challenges.
You're a high-agency individual who can independently drive projects to completion by effectively scaling your individual output with the appropriate delegation of work to team members.
You have a strong background working in either Python, Golang having used one of these programming languages to execute a significantly sized project or initiative.
You have experience working with Kubernetes or other container orchestration systems.
You have experience with automation/configuration management, e.g. Terraform, Puppet, Chef, Ansible.
You have expertise in one or more of the following areas: Database Administration, Networking, Observability Tools (such as Prometheus, Jaeger) or automation infrastructure.
You have extensive experience working with either GCP or AWS.
About Thought Machine
- Industry
- Banking Technology
- Founded
- 2014
- Employees
- 500–1,000
- Headquarters
- London, UK
- Website
- thoughtmachine.net
In their own words
About the company & team
We have grown rapidly in the past few years - growing our team to more than 550 individuals across offices in London, New York, Singapore, Sydney and our newly established Engineering Hub in Lisbon. We have raised more than £500m in funding and our investors include Molten Ventures, Eurazeo, Intesa Sanpaolo, Temasek, Nyca Partners, JPMorgan Chase Strategic Investments, Standard Chartered Ventures, and more.
We have created a culture that enables our team to produce the best work in the industry while ensuring we have fun along the way. We're regularly cited as having a fantastic workplace culture and have been recognised by Sifted magazine as having one of the highest Glassdoor ratings for a UK fintech company and the industry's most generous employee share package. Named one of the world's most innovative fintechs by Global Finance Magazine, we were also recognised by the Financial Times as one of Europe's fastest-growing companies for two consecutive years-and a UK Best Employer for 2026.
Additional information
We actively hire candidates who demonstrate technical excellence in their field and welcome people of all ages and backgrounds, providing everyone with equal access to professional development. You are encouraged to apply even if your experience doesn't accurately match the job description. We also encourage applications from those with different abilities, including candidates with ADHD, autism, dyslexia or dyspraxia.
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