C5I Senior Platform Engineer

Senior Platform Engineer – C5I (Missile Defense Sensors Software)

Location:

Tewksbury, Massachusetts, onsite

Security Clearance: U.S. government issued Secret clearance required (U.S. citizenship only)

• Implement the platform architecture and modernization strategies for C5I mission systems, including automation, container orchestration and secure platform design.
• Develop resilient, scalable, and secure platform environments using Linux, Kubernetes, Docker, Terraform, Ansible, Artifactory and related technologies.
• Work on end‑to‑end Dev Sec Ops  workflows to support high‑frequency, high‑quality deployments across MDS programs.
• Build and maintain CI/CD pipelines (Jenkins, Git Lab CI/CD) for secure, automated build, test and release processes at scale.
• Integrate cross‑program efforts spanning Software, Systems Engineering, Cybersecurity, Platform and Integration & Test teams.
• Conduct debugging and performance optimization across distributed and containerized environments.
• Mentor and guide Platform Engineers, providing technical direction and fostering a culture of learning and collaboration.
• Provide leadership in Agile Scrum/Kanban environments, supporting planning, estimation and technical execution.

• Advanced real‑time radar and C2 system behavior, multi‑sensor data processing and secure distributed system design.
• Dev Sec Ops  transformation efforts across classified environments.
• Strategies for scaling platform engineering capabilities across multiple mission programs.

• Bachelor’s degree in Science, Technology, Engineering or Mathematics (STEM) and a minimum of 5 years relevant experience.
• Experience in Linux platform engineering and administration.
• Experience with Docker, Kubernetes, Terraform, Ansible and virtualization tools such as VMware/KVM.
• Experience with scripting and automation tools such as Python, Bash and Power Shell.
• Experience with CI/CD systems (Jenkins, Git Lab CI/CD) and secure build/deployment architectures.
• Ability to obtain U.S. government issued Secret security clearance (after start date).
• Strong communication skills.
• Familiarity with Agile management tools such as JIRA and Confluence.
• Experience in high‑availability systems, distributed architectures, or high‑performance computing environments.
• Experience architecting solutions across multiple programs simultaneously.

• Experience with radar, C2, or large‑scale real‑time defense systems.
• Hands‑on experience applying Dev Sec Ops  tools (Docker, Ansible Tower, Artifactory, Git Hub/Bitbucket) in secure or classified environments.
• Experience with mission‑critical platform or Dev Sec Ops  environments for distributed or real‑time systems.

• Competitive salary range: $86,800 – $165,200 USD.
• Medical, dental, vision, life insurance, short‑term and long‑term disability.
• 401(k) match, flexible spending accounts.
• Flexible work schedules, employee assistance program, Employee Scholar Program.
• Parental leave, paid time off and holidays.
• Annual short‑term and/or long‑term incentive compensation programs (depends on level and coverage).
• Additional benefits may depend on the specific business unit and collective bargaining agreement.

RTX is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability or veteran status, or any other applicable state or federal protected class. RTX provides affirmative action in employment for qualified individuals with a disability and protected veterans in compliance with Section 503 of the Rehabilitation Act and the Vietnam Era Veterans’ Readjustment Assistance Act.