Junior Site Reliability Engineer

Business Unit Cubic Transportation Systems Company Details When you join Cubic you become part of a company that creates and delivers technology solutions in transportation to make people s lives easier by simplifying their daily journeys and defense capabilities to help promote mission success and safety for those who serve their nation Led by our talented teams around the world Cubic is committed to solving global issues through innovation and service to our customers and partners We have a top-tier portfolio of businesses including Cubic Transportation Systems CTS and Cubic Defense CD Explore more on Cubic com Job Details The Junior Site Reliability Engineer is responsible for assisting in the design build and maintenance of the infrastructure and deployment systems that underpin our live environments This role is hands-on and highly collaborative working closely with development teams and senior SREs to ensure our systems are reliable scalable and well-instrumented Junior SREs are expected to learn and apply best practices in building robust automated solutions and to ensure their work is repeatable and understandable by others Every contribution should be accompanied by documentation to support knowledge-sharing within the team and across engineering Core Responsibilities Infrastructure Design Maintenance Assist in building and maintaining infrastructure using infrastructure-as-code IaC tools e g Terraform CloudFormation Support the provisioning and lifecycle management of production staging and other critical environments Help implement shared infrastructure components e g logging metrics service mesh load balancing Contribute to improving infrastructure scalability availability and performance under the guidance of senior engineers Collaborate with development teams to provide infrastructure support for their deployment needs Deployment Systems CI CD Support and help extend CI CD pipelines GitHub Actions Argo CD to improve reliability and automation of deployments Help promote consistency and best practices across environments for deployment rollback and observability Work with developers to streamline testing and delivery of code to production Assist in reducing manual steps in the deployment and operations workflows Reliability Observability Tooling Assist in the implementation and maintenance of our monitoring alerting and logging infrastructure Kube-Prometheus-Grafana stack Help track SLOs SLIs for core services in partnership with service owners Learn to identify and help eliminate single points of failure performance bottlenecks and sources of instability Participate in reliability reviews and post-incident analysis Documentation Knowledge Sharing Ensure that all systems and processes you work on are accompanied by thorough up-to-date documentation Contribute to shared knowledge bases runbooks and developer-facing onboarding materials Participate in internal training sessions and pairings to learn from teammates Collaboration Culture Work closely with the SRE Lead and other team members to execute work aligned with team goals Engage constructively with other teams across engineering Participate in on-call rotations with strong support from senior members Embrace a culture of blameless learning transparency and continuous improvement Qualifications Skills Experience 1-2 years in a DevOps SRE or related role Cloud Basic understanding of cloud computing concepts with some hands-on experience in AWS Containers Orchestration Familiarity with Docker and a foundational understanding of Kubernetes concepts Experience with AWS ECS is a plus CI CD Exposure to CI CD principles and tools like GitHub Actions Familiarity with Argo CD is a bonus IaC Some experience with or exposure to Infrastructure as Code tools like Terraform or CloudFormation Scripting Proficiency in at least one scripting language e g Bash Python Observability A basic understanding of monitoring and logging Exposure to Prometheus and Grafana is desirable Collaboration Strong communication skills and a desire to learn and work within a team Problem Solving An enthusiastic and curious approach to solving technical challenges Worker Type Employee