System Administrator jobs in United States

At Masabi, we’re driving the fare payment revolution, powering the journeys of millions all over the world. We build fare collection platforms that allow riders to seamlessly buy and present tickets for public transport either on their mobile phones, from a ticket machine, or even by tapping their bank card to travel.

Our Justride platform is used in over 250 locations globally, including some of the largest cities in the world. With our industry-first mobile ticketing SDK, we’ve partnered with large players in the transport space, including Uber, Moovit and Transit.

Your own journey is important to us too. Choosing a role here means joining a network of innovators from all walks of life; a group of passionate individuals who consistently deliver. Here, you’ll find the tools you need to build the career you want. Whether you’re taking the direct route or trying a new path, we’ll support you no matter what.

We’re looking for a Lead Platform Engineer to help shape and scale the infrastructure that powers Masabi’s products.

This is a senior individual contributor role for someone who enjoys building reliable, scalable systems and helping others do the same. You’ll take ownership of core platform capabilities across infrastructure, CI/CD, observability, and reliability, and work closely with teams across engineering to improve how we ship, scale, and operate software.

This role is available remotely for candidates based in Canada (Eastern timezone).

Build and scale platform foundations

• Lead platform architecture design conversations across infrastructure and deployment systems
• Develop and evolve infrastructure as code and shared tooling (Terraform, CloudFormation, Puppet, etc.)
• Introduce automation-first approaches to simplify operations and reduce manual effort
• Support global growth by bootstrapping new environments and enabling multi-region scalability

Accelerate delivery and developer experience

• Design secure, efficient CI/CD pipelines that support fast, high-confidence releases
• Build internal tooling to improve developer workflows and reduce delivery friction
• Work closely with engineering teams to embed platform capabilities into day-to-day development

Advance observability and reliability

• Define platform-wide SLIs, SLOs, and alerting strategies based on business and technical goals
• Implement and extend observability systems and tools (Grafana, Prometheus, CloudWatch, Kibana, etc.)
• Lead performance optimisation and capacity planning for key services and systems

Lead through influence and technical direction

• Provide technical leadership within the platform team and collaborate with SREs and Engineering Managers
• Mentor engineers working in infrastructure, delivery, and reliability domains
• Contribute to strategic planning and help shape the long-term roadmap for platform engineering

Support Production readiness

• Collaborate with the SRE team on incident response, blameless postmortems and reliability issues
• Contribute to the design and testing of disaster recovery and failover strategies for key systems
• Participate in shared and separately compensated on-call rotation together with the SRE team

You’re a platform engineer at heart, motivated by scale, reliability, and enabling others to move faster by leading cross-team technical initiatives and shaping infrastructure decisions with lasting impact.

• You bring deep experience in cloud-native environments, especially AWS, including security and networking
• You’re fluent in infrastructure-as-code and config management tools such as Terraform and Puppet
• You’ve built CI/CD pipelines and developer tooling that are robust and user-friendly
• You’ve mastered observability and enjoy helping teams gain insight into their systems
• You’re a clear communicator who thrives in remote and async environments
• You enjoy mentoring, sharing knowledge, and collaborative problem solving
• You stay pragmatic and delivery-focused, even when navigating complexity

• Experience with container orchestration such as Kubernetes or ECS
• Familiarity with PCI DSS v4, SOC 2, or similar compliance frameworks
• AWS certifications

• Monitoring & Observability: Grafana, Prometheus, CloudWatch, Pingdom, Kibana
• Infrastructure as Code: Terraform, CloudFormation
• CI/CD & Automation: GitLab CI, Rundeck
• Configuration & Logging: Puppet, Confluent Cloud

• 20 days of vacation per year (in addition to public holidays), plus the option to buy an additional 5 days of vacation each year. On top of this, our office is shut every year between Christmas and New Year, totaling a whopping 28+ days of vacation
• Private Healthcare and Life Insurance via Trinet
• Menopause support
• Choice of a workstation
• Training allowance of up to CAD$1000 per year
• CAD$325 per year to spend on your home office
• Ability to work for up to 3 months per year from any country in the world
• Enhanced family leave
• Fun and collaborative environment with a focus on making a difference in the world

• Driven by Purpose – We believe in journeys made simple. The work isn’t always easy, but the best things never are.
• Encouraged to Accelerate – Masabi is going places and our people are in the driving seat. Whether you’re taking the direct route or exploring new paths, we support your journey.
• Advancing with Empathy – We put people first and foster a culture of learning, not blame. No matter your cargo, we share the load.

We’re already powering journeys - are you ready to join us?