System Development Engineer, Amazon Foundational Security Services (AFSS)

Amazon.com Services LLC; Seattle (WA); On-site; USD 140,000 - 210,000; Full time

Job summary

Amazon.com Services LLC is seeking a Systems Development Engineer to design, build, and operate scalable IAM solutions at the intersection of Amazon-native tooling and Microsoft Active Directory. You will work with experienced engineers to drive improvements, maintain high-availability services, and build observability through metrics and monitoring.

In this role you will manage AD patching, develop monitoring for AD replication, and drive security hardening and access governance across global

Qualifications

• Experience automating, deploying, and supporting infrastructure.
• Proficiency in at least one modern language (Python, Ruby, Golang, Java, C++, C#, Rust).
• Experience with Linux/Unix.

Responsibilities

• Maintain IAM infrastructure using AD and AWS tooling.
• Develop and maintain monitoring for AD services, replication health, and domain controller performance.
• Design and manage Group Policy Objects to enforce security standards.
• Participate in on-call rotations and incident response.
• Collaborate with cross-functional teams to improve security and automation.

Skills

Python

Java

C++

Linux/Unix

AD/Identity Management

Tools

CI/CD pipelines

Job description

This role is located in Seattle, WA.

As a Systems Development Engineer on our team, you will design, build, and operate scalable solutions at the intersection of Identity and Access Management (IAM) - spanning both Amazon-native and Microsoft Active Directory tooling. You will partner with experienced engineers to drive improvements to our technology stack, maintain high-availability services, and build observability through metrics and monitoring.

Your work will directly support automated systems that anticipate and resolve customer issues - delivering a seamless, self-service experience. You will collaborate with business partners, leadership, and cross-functional engineering teams to influence technical direction and build resilient, secure systems.

Key job responsibilities

Primary responsibilities include maintaining the IAM (Identity and Access Management) infrastructure at Amazon. We leverage Microsoft Active Directory to manage Amazonian identity and access globally. The candidate is expected to manage and drive secure configuration and features in IAM, with AWS technology at the forefront.

• Manage Active Directory patching cycles, ensuring timely deployment and compliance across the environment
• Develop and maintain monitoring solutions for AD services, including replication health, domain controller performance, and service availability
• Design, implement, and manage Group Policy Objects (GPOs) to enforce security and configuration standards
• Monitor and maintain AD replication topology, troubleshooting and resolving replication failures across global infrastructure
• Drive security hardening initiatives for Active Directory, including attack surface reduction and configuration baselines
• Manage AD group lifecycle - creation, membership reviews, cleanup, and access governance
• Administer privileged accounts management, including access controls, auditing, and credential hygiene
• Diagnose and resolve production issues, perform software maintenance, and execute persistence solution queries
• Collaborate with development teams on Amazon Corporate and Divisional Software projects, enhancing current software and automating support processes
• Document systems and solutions to ensure knowledge continuity
• Manage AFSS org-level operational cadence and programs
• Participate in on-call rotations and incident response as needed

A day in the life

• Automating the world's most advanced cloud computing infrastructure
• Managing and administering AD directory, IAM, protocols, making secure decisions in application registrations with the least privileged roles.
• Simplifying and reinventing systems, processes, and tools to make things better for our customers

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, hasn't followed a traditional path, or includes alternative experiences, don't 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 Amazon's 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, it's 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

We're continuously raising our performance bar as we strive to become Earth's Best Employer. That's why you'll 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, there's nothing we can't achieve.

Basic Qualifications:

• Experience in automating, deploying, and supporting infrastructure
• Experience programming with at least one modern language such as Python, Ruby, Golang, Java, C++, C#, Rust
• Experience with Linux/Unix

Preferred Qualifications:

• Experience with CI/CD pipelines build processes

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