Senior DevOps Engineer

Business Unit: Cubic Defense 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: Overview We are seeking a Senior Platform & Release Engineer to help design, build, secure, and deliver Kubernetes-based platforms and release systems in complex operational environments, including offline and air-gapped deployments. This role is ideal for an engineer who thrives at the intersection of platform engineering, automation, release management, and developer enablement. The ideal candidate combines deep Kubernetes and infrastructure expertise with strong software engineering skills and a pragmatic, security-conscious mindset. You should be comfortable building automation and tooling, supporting deployment pipelines, troubleshooting across the full stack, and improving developer/operator workflows. We are also looking for someone who embraces AI-assisted engineering workflows and uses modern tooling to accelerate productivity and operational excellence. Responsibilities Design, build, and maintain Kubernetes-based platform and release systems for secure and constrained environments Develop and maintain automation tooling, deployment workflows, and operational utilities using Python, Bash, and infrastructure-as-code approaches Build and support release pipelines, artifact management workflows, and reproducible deployment bundles Maintain and improve internal operator and engineering workbench tools using modern web technologies Support Kubernetes platform operations, including cluster provisioning, upgrades, configuration management, and troubleshooting Engineer secure deployment workflows with strong attention to credential handling, certificate management, secrets isolation, and deployment guardrails Collaborate across engineering teams to improve platform reliability, deployment consistency, and operational efficiency Troubleshoot complex issues spanning applications, containers, clusters, hosts, networking, storage, and artifact distribution systems Mentor junior engineers and help establish engineering best practices across platform and release operations Continuously improve engineering workflows through automation, AI-assisted tooling, and operational best practices Required Qualifications Senior-level experience in platform engineering, release engineering, or DevOps/SRE roles supporting Kubernetes-based systems Hands-on experience operating Kubernetes in offline, air-gapped, or otherwise constrained deployment environments Strong expertise with: Kubernetes Helm RKE2 Ansible Playbooks Jinja templating Strong automation and tooling development experience using: Python Bash Working full-stack development capability with: TypeScript/JavaScript React Tailwind CSS Strong understanding of CI/CD pipelines and artifact management workflows using: Git Artifactory Container registries (including Zot or similar) Helm charts Signed and reproducible release bundles Experience implementing secure engineering and deployment practices, including: Credential and secret management TLS certificates and CA bundle management Deployment boundaries and operational guardrails Strong understanding of: Platform engineering Release engineering PaaS/SaaS delivery models Operator-focused tooling and workflows Must be eligible to obtain a DOD Security Clearance Preferred Qualifications Experience supporting government, defense, intelligence community (IC), or similarly regulated environments Strong Linux systems engineering experience, particularly in: RHEL/Rocky Linux environments Docker/container runtimes RKE2 Networking and storage systems Host provisioning and preparation Security-minded engineering approach that balances automation, maintainability, auditability, and operational constraints Strong troubleshooting and root-cause analysis skills across: Application layers Kubernetes clusters Host systems Networking Artifact repositories Authentication and credential systems Demonstrated ability to mentor engineers and clearly communicate complex platform concepts to technical and non-technical stakeholders What Success Looks Like Reliable, repeatable, and secure platform deployments across connected and disconnected environments Streamlined release and artifact workflows with strong operational visibility and reproducibility Improved developer and operator experience through automation and tooling Faster issue resolution through strong systems-level troubleshooting Continuous improvement of engineering practices using modern automation and AI-assisted workflows ‎ Cubic Pay Range: $112,000.00 - $138,000.00 + benefits. ‎ The Cubic pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law. ‎ ‎ Worker Type: Employee ‎ We are committed to creating an inclusive workplace and welcome applications from people of all backgrounds. We do not discriminate based on any protected characteristic under applicable law. Cubic creates and delivers technology solutions in transportation that make people’s lives easier by simplifying their daily journeys, and defense capabilities that 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 challenges 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). Cubic is dedicated to providing a comprehensive employee benefits program. All regular, full-time and part-time employees (working an average of 20 hours per week) are eligible for benefits that are effective on the first day of employment. Cubic offers medical, dental and vision insurance, company-paid disability (company continues full pay and benefits for up to six weeks), life insurance options, critical illness and accident coverages, Flexible Spending Accounts, a pre-paid legal plan, travel accident insurance, an award-winning well-being program which includes an employer-funded lifestyle spending account, up to six weeks of paid parental leave, and a 401k Retirement Plan with a company match. Employees can also take advantage of backup childcare, pet care, pet insurance, virtual tutoring, and a tuition reimbursement program. Many locations follow a 9/80 work schedule with time-off policies to help encourage employees to take time for rest and relaxation. Full-time salaried employees are eligible to participate in Cubic’s flexible time-off arrangement. Part-time and hourly employees accrue paid time-off (PTO)/Sick leave at a rate of 5.23 hours bi-weekly. Lastly, Cubic provides its employees 11 paid holidays throughout the calendar year. With a presence in over 60 countries and more than 5,000 employees worldwide, Cubic is committed to hiring and retaining a diverse workforce. We are proud to be an Equal Opportunity/Affirmative Action-Employer. We are committed to ensuring a workplace free of discrimination based on race, color, religion, age, disability, genetic information, sex, sexual orientation, gender identity, national origin, military or veteran status, and any other basis protected by applicable law. For more information on Equal Employment please visit: To learn more, visit Cubic.com. 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