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Mozilla Logo Mozilla · IT - Software Development

Senior Software Engineer, Cloud Engineering

Canada Employment contract 104000.00 - 139000.00 CAD / Year · Job Posted July 13, 2026
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Job Description

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.

Job Responsibility

  • 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

Requirements

  • 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

Nice to have

  • 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 we offer

  • Generous performance-based bonus plans to all regular employees
  • 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)
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