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Site Reliability Engineer , Cryptography, Access and Identity Services

Amazon


Job Location:

London - UK

Monthly Salary: Not provided by the employer
Posted: 21 August 2026 (Yesterday)
Application Deadline: 18 November 2026
Vacancies: 1 Vacancy

Job Summary

Are you interested in working with the latest cloud computing technologies and becoming a core part of the largest cloud infrastructure on the planet

AWS is seeking a Systems Engineer to build and operate services for our customers to automate service operations and deployment methods and provide mentoring for junior team members. You will be working in a large-scale high availability environment building and operating critical Cryptography Access and Identity services for our customers.

This exciting role is designed for someone with a strong engineering background and a passion for driving efficiency quality and process improvements within our service operations. We are an operations team but a key focus is driving automation to increase ops efficiency. You will have the opportunity to utilize AI tooling and to build your own solutions that automate away manual tasks.

As a Systems Engineer at Amazon you will utilize your Linux skills to troubleshoot innovate fixes and workarounds keep software up-to-date and provide data and metrics that help manage the capacity and efficiency of our services. You will draw on your networking knowledge to identify and troubleshoot network connectivity issues. Our Systems Engineering roles enable engineers to develop a broad range of skills; our engineers take ownership and gain knowledge across a complex technology stack.

Top reasons to join our team:
- Learn how to build and operate distributed systems at massive scale

- Be a catalyst to deliver truly disruptive products that are growing rapidly

- Solve unique and first-order problems at massive-scale across many AWS Services

- Build and influence the tools and utilities that are part of the AWS fleet running our internal services

- Deliver solutions which reduce manual toil across our organization

Key job responsibilities
Amazon has a collaborative purposeful and enthusiastic environment where we Work Hard Have Fun Make History.

Our Systems Engineers are expected to be leaders in their teams by becoming subject matter experts on multiple AWS services. They develop build deploy operate sustain and grow their services in cloud production environments. They are able to utilize trends and metrics to identify opportunities for improvements. They help develop and refine procedures used by their team and internal customers. They are able to develop at a high standard and can deal with new and ambiguous problem domains while consistently delivering customer impacting change.


A day in the life
On a typical day engineers might work to build infrastructure and services for our customers. They will dive deep into understanding the root cause of a customer issue investigate why a metric is trending the wrong way and consult with senior engineers at Amazon. We believe in making out-of-hours support as painless as possible. To achieve this we implement Operational Excellence best practices and strive to automate manual processes.


About the team
About AWS

Diverse Experiences
AWS values diverse experiences. Even if you do not meet all of the preferred qualifications and skills listed in the job description we encourage candidates to apply. If your career is just starting hasnt followed a traditional path or includes alternative experiences dont let it stop you from applying.

Why AWS
Amazon Web Services (AWS) is the worlds most comprehensive and broadly adopted cloud platform. We pioneered cloud computing and never stopped innovating thats why customers from the most successful startups to Global 500 companies trust our robust suite of products and services to power their businesses.

Inclusive Team Culture
AWS values curiosity and connection. Our employee-led and company-sponsored affinity groups promote inclusion and empower our people to take pride in what makes us unique. Our inclusion events foster stronger more collaborative teams. Our continual innovation is fueled by the bold ideas fresh perspectives and passionate voices our teams bring to everything we do.

Mentorship & Career Growth
Were continuously raising our performance bar as we strive to become Earths Best Employer. Thats why youll find endless knowledge-sharing mentorship and other career-advancing resources here to help you develop into a better-rounded professional.

Work/Life Balance
We value work-life harmony. Achieving success at work should never come at the expense of sacrifices at home which is why we strive for flexibility as part of our working culture. When we feel supported in the workplace and at home theres nothing we cant achieve.

- Experience in site reliability engineering (SRE) systems engineering systems administration DevOps security administration or network administration
- Experience working with Linux
- Experience in systems engineering
- Experience in any of the following: Python Java Perl PHP Ruby Bash Shell or equivalent

- Knowledge of TCP/IP and networking protocols such as HTTP and DNS
- Experience designing and developing scripts to automate operational burdens and reviewing scripting changes to ensure they meet the standards for maintainability scalability and security
- Experience working in 24/7 production environment
- Experience with service-oriented architecture and web services

Amazon is an equal opportunities employer. We believe passionately that employing a diverse workforce is central to our success. We make recruiting decisions based on your experience and skills. We value your passion to discover invent simplify and build. Protecting your privacy and the security of your data is a longstanding top priority for Amazon. Please consult our Privacy Notice ( to know more about how we collect use and transfer the personal data of our candidates.

Amazon is an equal opportunity employer and does not discriminate on the basis of protected veteran status disability or other legally protected status.

Our inclusive culture empowers Amazonians to deliver the best results for our customers. If you have a disability and need a workplace accommodation or adjustment during the application and hiring process including support for the interview or onboarding process please visit
for more information. If the country/region youre applying in isnt listed please contact your Recruiting Partner.


Required Experience:

IC


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