Senior Software Engineer, Cloud Engineering

Mozilla’s Cloud Engineering team seeks a Senior Software Engineer to mature, maintain, and build features for our Internal Developer Infrastructure Platform.

You will work on creating standardized, scalable systems for CI/CD, Observability, Kubernetes optimization, environment bootstrapping, cost optimization, and more.

Supporting the Infrastructure needs of the organization and identifying new opportunities to mature the path to production in a safe, cost effective way will also be an integral part of this role.

What you’ll do:

• Support infrastructure that development teams use to own and operate their services at Mozilla.

• Guide technical decision-making and adoption of user-centric solutions.

• Create Claude skills and design agentic workflows that improve developer productivity

• 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.

• Write proposals and decision briefs for new policies, processes, and platform functionality.

• Create new features for the platform with a meaningful value proposition

• Be trusted to resolve unclear but urgent tasks.

What you’ll bring:

• 5+ years experience in software engineering with expertise in at least one of (Platform Engineering, Cloud Engineering, SRE, DevOps)

• Proven technical leadership experience.

• Expertise in several of the following (ArgoCD, Grafana, K8s, GitHub, Terraform, Helm, Backstage, Cloud Cost Optimization)

• Proficient in Python, JavaScript, or Go.

• Strong expertise in cloud-native technologies (GCP preferred; AWS also acceptable).

• 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 and governance principles

• Experience designing agentic workflows

• Database expertise

• Experience building Internal Developer Platforms

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)