System Development Engineer, Region Reliability Engineering

Application deadline: Oct 1 2026

Are you ready to build tools that empower teams across all of Amazon Web Services Join us as a Software Development Engineer I where youll contribute to internal platforms that enable AWS teams to deliver exceptional customer experiences at scale. Your work will directly impact how thousands of builders across AWS develop deploy and operate services that millions of customers depend on daily.

In this role youll collaborate with a talented team of System Development Engineers and Systems Engineers to design and implement scripts and tools used throughout AWS. As you grow your technical skills youll learn to identify new opportunities that enhance developer productivity and operational excellence. This is an ideal opportunity for engineers early in their careers who want to make meaningful contributions while developing expertise in distributed systems cloud infrastructure and software engineering best practices.

The candidate selected must obtain and maintain a security clearance at the TS/SCI with polygraph level. Upon start the selected candidate will be sponsored for a commensurate clearance for each government agency for which they perform AWS work.

Key job responsibilities
- Write clean maintainable code for internal AWS tools and services participating in code reviews and incorporating feedback to continuously improve code quality
- Implement and test new features that enhance developer productivity and operational capabilities for teams across AWS
- Collaborate with peers throughout the software development lifecycle including design discussions testing documentation deployment and maintenance activities
- Debug and resolve technical issues across the development stack actively participating in operational support and ensuring root causes are identified and addressed
- Innovate and Automate: Develop and implement innovative solutions to reduce repetitive tasks building systems that minimize manual intervention reduce cognitive load and allow for proactive issue resolution. Build with technologies like Amazon Bedrock to reimagine reliability engineering.
- Enhance Regional Reliability: Expand regional coverage for AWSs critical services.
- Deep Dive and Troubleshoot: Conduct deep dives into system and service interdependencies proactively identifying and resolving region-specific challenges before they impact mission-critical operations.
- Mentorship and Growth: Collaborate with industry-recognized engineers engaging in continuous learning and contributing to a culture of excellence and reliability.

A day in the life
Your typical day involves building features for internal tools that impact teams across AWS. Youll spend time writing code reviewing pull requests from teammates and collaborating in design discussions to solve technical challenges. You might debug an issue reported by an internal customer implement a new capability requested by service teams or refactor existing code to improve maintainability. Throughout the day youll engage with your team through standups and code reviews learning from experienced engineers while contributing your own ideas and solutions.

Youll help build and operate high-performing systems that will be critical in reducing operational burden for other AWS Dedicated Cloud teams enhancing regional reliability through scalability innovation and automation. You will help us reimagine and continuously improve reliability engineering.

We care about your career growth and assign projects that help you develop engineering expertise empowering you to take on increasingly complex challenges. Our team supports an inclusive culture where different perspectives drive innovation and we strive for flexibility that enables you to bring your best to both work and life. Together were creating the foundational tools that enable AWS to continue innovating for customers worldwide.


About the team
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.

AWS Infrastructure Services (AIS)
AWS Infrastructure Services owns the design planning delivery and operation of all AWS global other words were the people who keep the cloud running. We support all AWS data centers and all of the servers storage networking power and cooling equipment that ensure our customers have continual access to the innovation they rely on. We work on the most challenging problems with thousands of variables impacting the supply chain and were looking for talented people who want to help.

Inclusive Team Culture
Here at AWS its in our nature to learn and be curious. Our employee-led affinity groups foster a culture of inclusion that empower us to be proud of our differences. Ongoing events and learning experiences including our Conversations on Race and Ethnicity (CORE) and AmazeCon conferences inspire us to never stop embracing our uniqueness.

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 in the cloud.

Mentorship and 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.

Diverse Experiences
Amazon 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.

- Associates degree or above or CND (Certified Network Defender) or GSEC (GIAC Security Essentials)
- Experience programming with at least one modern language such as C C# Java Python Golang PowerShell Ruby
- Experience tools for automation (building testing releasing or monitoring)

- Knowledge of and proficiency in the use of Python scripting language
- Experience on highly concurrent high throughput systems and knowledge of complex distributed systems

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.

The base salary range for this position is listed below. Your Amazon package will include sign-on payments and restricted stock units (RSUs). Final compensation will be determined based on factors including experience qualifications and location. Amazon also offers comprehensive benefits including health insurance (medical dental vision prescription Basic Life & AD&D insurance and option for Supplemental life plans EAP Mental Health Support Medical Advice Line Flexible Spending Accounts Adoption and Surrogacy Reimbursement coverage) 401(k) matching paid time off and parental leave. Learn more about our benefits at CO Denver - 99100.00 - 160000.00 USD annually