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Site Reliability Engineer - Core

Blockchain · London

On-sitePosted 12 Aug 2026

What this role requires

7 requirements, read out of the advert rather than guessed from the job title:

Also mentioned, not required: Golang, Python, Bash, Terraform, Saltstack, GitOps, CI, Github Actions, Kafka. Worth having, but their absence is not what gets a CV filtered out.

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Job description

Blockchain is connecting the world to the future of finance. As the most trusted and fastest-growing global crypto company, it helps millions of people worldwide safely access cryptocurrency. Since its inception in 2011, Blockchain has earned the trust of over 90 million wallet holders and more than 40 million verified users, facilitating over $1 trillion in crypto transactions.

We are looking for a  Site Reliability Engineer to join our Core team to encourage infrastructure best practices across our organization that would allow to securely scale a distributed financial platform that touches millions of people a day.

Our distributed financial platform tackles some of the most interesting problems in the crypto for millions of our customers and continues to grow rapidly. The SRE team at blockchain combines software and systems engineering to provide a platform that abstracts complexity for increased security, reliability and rapid product delivery.

The SRE organization at Blockchain is a work in progress - our focus is always on how to make our existing systems better. We pride ourselves on having created an environment where individuals have a high degree of freedom in proposing, discussing, designing and implementing changes. We are a team that places a high value on abstract thinking to deliver exceptionally effective tooling. We abhor toil.

As a member of the Core team you will be tasked with developing an in-depth understanding of the infrastructure needs of our products. You will establish and maintain creative engineering solutions to improve our customers’ experience by building necessary tooling. Crucially, you will also guide and educate developer teams so that they can deliver new features in a rapid, secure and scalable manner.

Read the full description (34 more sections)

WHAT YOU WILL DO

You will be able to play a critical role in evolving our infrastructure as we develop solutions to complex technical problems involving reliability, latency, bandwidth and most importantly security.

You will be an integral part of improving observability, monitoring and alerting throughout the platform.

You will help co-ordinate work across different areas of the company to ensure the most efficient path of execution

You will centralize wherever possible common streams of work that are currently duplicated across developer teams.

You will focus heavily on writing tooling to replace manual, repetitive work in a scalable way.

You will work in a fast paced, and dynamic environment complementing our existing high calibre team.

WHAT YOU WILL NEED

Experience with containerization and service orchestration, including best practices and security. Experience with Hashicorp Nomad, Consul and Vault is a plus.

Strong knowledge of at least one programming language. Experience with Golang, Python, and Bash is a plus.

Linux, including an understanding of resource allocation, network and/or internals.

Experience working with cloud solutions (GCP or AWS).

Deep understanding and demonstrable experience with modern monitoring tools such as Prometheus, Datadog, Grafana, Telegraf

Experience with infrastructure as code tools. Experience with complex Terraform deployments is a plus.

Solid background with configuration management tools. Experience with Saltstack is a plus.

Experience with using GitOps and CI to make changes, preferably Github Actions.

Experience with messaging systems such as Kafka.

Experience with database management.

Experience working in Data Centers is a plus.

Knowledge of routing and switching protocols is a plus.

COMPENSATION & PERKS

Full-time salary based on experience and meaningful equity in an industry-leading company

This is a role based in our London office, with a mandatory in-office presence four days per week.

Work from Anywhere Policy: You can work remotely from anywhere in the world for up to 20 days per year.

ClassPass 

Unlimited vacation policy; work hard and take time when you need it

Apple equipment

The opportunity to be a key player and build your career at a rapidly expanding, global technology company in an emerging field

Flexible work culture 

Blockchain is committed to diversity and inclusion in the workplace and is proud to be an equal opportunity employer. We prohibit discrimination and harassment of any kind based on race, religion, color, national origin, gender, gender expression, sex, sexual orientation, age, marital status, veteran status, disability status or any other characteristic protected by law. This policy applies to all employment practices within our organization, including hiring, recruiting, promotion, termination, layoff, recall, leave of absence, and apprenticeship. Blockchain makes hiring decisions based solely on qualifications, merit, and business needs at the time.

You may contact our Data Protection Officer by email at ----- Your personal data will be processed for the purposes of managing Controller’s recruitment related activities, which include setting up and conducting interviews and tests for applicants, evaluating and assessing the results thereto, and as is otherwise needed in the recruitment and hiring processes. Such processing is legally permissible under Art. 6(1)(f) of Regulation (EU) 2016/679 (General Data Protection Regulation) as necessary for the purposes of the legitimate interests pursued by the Controller, which are the solicitation, evaluation, and selection of applicants for employment.

Your personal data will be shared with Greenhouse Software, Inc., a cloud services provider located in the United States of America and engaged by Controller to help manage its recruitment and hiring process on Controller’s behalf.  Accordingly, if you are located outside of the United States, your personal data will be transferred to the United States once you submit it through this site. Because the European Union Commission has determined that United States data privacy laws do not ensure an adequate level of protection for personal data collected from EU data subjects, the transfer will be subject to appropriate additional safeguards under the standard contractual clauses. 

Your personal data will be retained by Controller as long as Controller determines it is necessary to evaluate your application for employment.  Under the GDPR, you have the right to request access to your personal data, to request that your personal data be rectified or erased, and to request that processing of your personal data be restricted. You also have the right to data portability. In addition, you may lodge a complaint with an EU supervisory authority.

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