Senior Application Engineer, Workplace Technology

About the role

This position within the IT Function of Mozilla Infrastructure concentrates on automation and integration for workplace systems. The role focuses on designing, building, and maintaining systems that enable collaboration and identity management. It operates in a remote environment and reports into the Infrastructure organization.

Software engineers turn product ideas into working code. Engineers work in small teams, review each other's work, and ship in small batches. Most teams follow agile practices such as sprints and daily standups. Engineers also write tests, fix bugs, and improve performance. The field values clear communication as much as technical skill. Engineers spend part of every week on planning, code review, and debugging, not just writing new code. The ability to explain a technical decision in plain words separates strong engineers from the rest.

Key facts

What you'll do

Configuration and operation of workplace collaboration tools and identity platforms are automated to reduce manual effort.

Monitoring, logging, and observability are implemented to improve reliability, efficiency, and performance for automation and AI workflows.

Modernization of workplace systems is guided by scalable architecture and API-first design in collaboration with senior engineers.

Requirements

4 6 years of experience in software engineering, systems integration, or workplace technology development is expected.

Proficiency in one or more programming or scripting languages such as Java, Go, Python, JavaScript/Apps Script, Bash, or PowerShell is required.

Familiarity with SaaS platforms like Google Workspace, Slack, Zoom, and Atlassian is necessary.

Understanding of IAM/SSO concepts using Okta or similar platforms is required, with willingness to grow in this area.

Experience or curiosity about CI/CD, workflow orchestration, and self-service delivery models leveraging automation is required.

Strong troubleshooting, documentation, and cross-functional communication skills are required.

A growth mindset toward learning new AI technologies and improving systems through intelligent workflows is required.

Interest in building agentic flows such as bots that triage tickets or summarize documents is required.

Commitment to Mozilla values of welcoming differences, relationship-mindedness, responsible participation, and grit is required.

Practical notes

Employees must comply with location-specific apply-now requirements listed on the official page.

Typical interview steps

Hiring for engineering roles usually starts with a recruiter screen, followed by one or two technical rounds. Candidates often solve a coding problem, discuss past projects, and answer system design questions. Some loops include a take-home task. Final rounds typically cover team fit and give candidates a chance to ask questions. Interviewers look for how you break down an unfamiliar problem, not just whether you reach the answer. Practicing a few problems aloud and reviewing your own past projects are the best preparation.

Good to know

Roles in workplace technology commonly integrate with identity providers and collaboration suites.

Automation scripts and infrastructure workflows rely on version control and testing practices.

Observability and monitoring are central to maintaining reliable integrations.

Agentic workflows involve bots that assist with user tasks and document processing.

Open source principles support collaboration and reuse of integration templates.

Career growth

Engineering careers usually progress from individual contributor to senior, staff, and principal levels. Some engineers move into management and lead teams of five to twenty people. Others stay on the technical track. Growth follows demonstrated impact, not tenure alone. A typical engineering ladder has clear levels with defined expectations for scope, quality, and mentorship. Moving up usually requires owning outcomes end to end rather than completing assigned tickets.