Staff Software Engineer, IAM

Company: Mozilla
Location: San Diego
Posted on: January 1, 2026

Job Description:

Mozilla Corporation is the non-profit-backed technology company that has shaped the internet for the better over the last 25 years. We make pioneering brands like Firefox, the privacy-minded web browser. Now, with more than 225 million people around the world using our products each month, we’re shaping the next 25 years of technology and helping to reclaim an internet built for people, not companies. Our work focuses on diverse areas including AI, social media, security and more. And we’re doing this while never losing our focus on our core mission – to make the internet better for people. The Mozilla Corporation is wholly owned by the non-profit 501(c) Mozilla Foundation. This means we aren’t beholden to any shareholders — only to our mission. Along with thousands of volunteer contributors and collaborators all over the world, Mozillians design, build and distribute open-source software that enables people to enjoy the internet on their terms. About this role: Mozilla IAM team seeks a Staff Software Engineer to rebuild our Identity and Access Management (IAM) system. The IAM solution serves both our Enterprise and Product Platform surface areas. Our IAM modernization project aims to enhance scalability, security, user experience, and position IAM as a platform offering within the infrastructure organization. This role would report through our Cloud Engineering organization. What is a Staff Engineer at Mozilla? A Staff Software Engineer is the preceding level from a Senior Software Engineer. At Mozilla this role can vary but typically a Staff Engineer is a domain expert who leads others within a single team to tackle multi-month projects. Tasks that may be initially ambiguous or require significant planning and require them to influence or direct the work of several engineers. They sequence deliverables and manage risks in their teams projects, provide feedback on our strategy and goals affecting the team, and turn our strategy into action for their team members. Staff Software Engineers mentor others by stewarding some responsibilities to more junior and senior engineers so they can take on new ones. They collaborate with management on building team consensus and providing direction. Staff Software Engineers identify gaps and opportunities for improvement to enable a culture of inclusion and allyship, at all levels of the organization. What you’ll do: • Architect and lead IAM / IdP system redesign, emphasizing user experience and scalability. • Guide technical decision-making and adoption of user-centric solutions. • Guide team members and promote engineering standard methodologies, with a focus on usability and maintainability. • Facilitate cross-functional collaboration for efficient and cohesive platform delivery. • Drive automation and self-service capabilities in IAM / IdP, ensuring robust security, compliance, and improved user satisfaction. • Meet with engineering teams across Mozilla to understand their needs and concerns around access management. • Document standard methodologies and design guidelines • Be trusted to resolve unclear but urgent tasks What you’ll bring: • 10 years experience in software engineering with at least 5 years of extensive IAM / IdP expertise. • Successfully implemented IAM/IdP Solution using Okta, Google IdP. • Proven technical leadership experience. • Expertise in AuthN, AuthZ, and access governance. • Deep knowledge of identity lifecycle management and access governance. • Proficient in Python, JavaScript, Github actions, GitOps workflows. • Strong expertise integrating with Cloud Service Providers and cloud-native technologies, preferably GCP. • Excellent communication skills aligning technology with user needs and organizational goals. • Self-starter who thrives in ambiguity. • Curiosity and interest in learning new things • Commitment to our values: • Welcoming differences • Being relationship-minded • Practicing responsible participation • Having grit Bonus points for… • Experience with distributed systems architecture and design • Knowledge of cloud security principles (especially around IAM) • Open source software involvement What you’ll get: • Generous performance-based bonus plans to all regular employees - we share in our success as one team • Rich medical, dental, and vision coverage • Generous retirement contributions with 100% immediate vesting (regardless of whether you contribute) • Quarterly all-company wellness days where everyone takes a pause together • Country specific holidays plus a day off for your birthday • One-time home office stipend • Annual professional development budget • Quarterly well-being stipend • Considerable paid parental leave • Employee referral bonus program • Other benefits (life/AD&D, disability, EAP, etc. - varies by country)

Keywords: Mozilla, Poway , Staff Software Engineer, IAM, IT / Software / Systems , San Diego, California