Senior Software Engineer, Amazon Foundational Security Services Identity

Do you want to own Identity systems that major AWS and Stores services depends on to exist and the layers that make that data consumable by every service that needs it The LDAP Core and Switchboard teams are part of the AFSS Identity organization within Amazons Foundational Security Services. We hold the records of engineering identity at Amazon and we make that record reachable through modern access pattern.
LDAP Core operates the canonical engineering identity directory: the 389DS LDAP fleet its global replication topology and the regionalized architecture (REGAL) we are building to replace it by 2027. Switchboard builds the routing temporal analytical and control layers that surround that directory the Read Proxy Time Machine the Identity Data Lake and GSAM the control plane for millions of system accounts across Amazons engineering data planes.

Key job responsibilities
- Lead the REGAL regionalized architecture: read/write fleet split Regal Replicator and ORR through full partition coverage
- Own 389DS software lifecycle: upgrade train master fleet replication schema management across commercial GovCloud ADC China and MVP
- Drive pipeline-driven automated region builds eliminating manual ceremony from partition expansion
- Lead schema evolution discipline: document every attribute analyze consumer impact end-to-end before every change
- Architect and evolve the LDAP Read Proxy: schema-routed access expansion to BRASS and additional backends transparent to existing callers
- Own GSAM as the system-account control plane across LDAP POSIX ANT : lifecycle management credential rotation ANT auto-provisioning and the path to passwordless system accounts
- Own LDAP Time Machine and the Identity Data Lake: snapshot pipelines S3 vending cross-region log analytics and IdP security intelligence
- Set the observability standard across every access path -direct proxied historical analytical consistent telemetry uniform authorization
- Serve as Tier-1 on-call anchor for directory availability and replication health
- Mentor engineers and raise the technical bar across both teams

A day in the life
Youll start by reviewing system metrics and addressing any operational issues affecting our Identity services. Throughout the day youll collaborate with Identity and Access Management service teams to design features participate in architecture reviews for scalability improvements and write high-performance code to handle authentication and authorization requests across Amazons services. Youll also mentor team members through code reviews and contribute to strategic planning for next-generation identity systems.

About the team
Diverse Experiences
Amazon Security values diverse experiences. Even if you do not meet all of the 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 Amazon Security
At Amazon security is central to maintaining customer trust and delivering delightful customer experiences. Our organization is responsible for creating and maintaining a high bar for security across all of Amazons products and services. We offer talented security professionals the chance to accelerate their careers with opportunities to build experience in a wide variety of areas including cloud devices retail entertainment healthcare operations and physical stores.

Inclusive Team Culture
In Amazon Security its in our nature to learn and be curious. Ongoing DEI events and learning experiences inspire us to continue learning and to embrace our uniqueness. Addressing the toughest security challenges requires that we seek out and celebrate a diversity of ideas perspectives and voices.

Training & Career Growth
Were continuously raising our performance bar as we strive to become Earths Best Employer. Thats why youll find endless knowledge-sharing training 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 flexible work hours and arrangements are part of our culture. When we feel supported in the workplace and at home theres nothing we cant achieve.

- 5 years of non-internship professional software development experience
- 5 years of programming with at least one software programming language experience
- 5 years of leading design or architecture (design patterns reliability and scaling) of new and existing systems experience
- Experience as a mentor tech lead or leading an engineering team

- 5 years of full software development life cycle including coding standards code reviews source control management build processes testing and operations experience
- Bachelors degree in computer science or equivalent

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

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