Platform Engineer with Security Clearance

R Description Job Description Launch Your Next Mission: Platform Engineer – San Antonio, TX Step into the future of national defense technology with Leidos We're searching for a driven Platform Engineer ready to take on high-stakes migration projects in the DAF CLOUDworks environment. Located in San Antonio, TX, this hybrid role offers flexibility, challenge, and the opportunity to leave your mark on mission-critical systems. You'll be part of complex migrations across AWS and Azure platforms—executing discovery, planning, and implementation while championing cybersecurity and cloud modernization. As a Platform Engineer, you will design, build, and support cloud-native infrastructure and platform services that enable mission systems across DAF CLOUDworks environments. You will work with Kubernetes-based architectures, AWS GovCloud and Azure environments, automation tools, and platform reliability features. You will collaborate with DevSecOps, cybersecurity, and development teams to deliver secure, scalable, and mission-aligned platforms for Department of Defense workloads. Note: This position operates under a hybrid work model, with working part-time on base and working part-time remote work from home. What You'll Tackle: * Engineer, deploy, and maintain Kubernetes clusters and supporting services across AWS GovCloud and Azure environments. * Automate platform provisioning, configuration management, and monitoring using Infrastructure-as-Code (e.g., Terraform, CloudFormation). * Manage identity and access control, patching, logging, and backups across multi-tenant environments. * Troubleshoot platform and infrastructure issues and ensure high availability of critical workloads. * Collaborate with mission teams and platform users to understand needs and optimize cloud-native services. * Support compliance efforts (e.g., RMF, Zero Trust Architecture, IL5+ hardening) and integrate cybersecurity requirements into platform design. * Maintain system documentation, baselines, and operational runbooks. * Participate in Agile planning and sprint execution alongside cross-functional teams. * Performs other related duties as assigned What You Bring to the Mission: * Clearance: Active TS/SCI on day 1. * Current IAT Level II certification

Bachelor's Degree (preferably in Information Technology or similar discipline with at least 8 years of relevant experience. Additional experience may be considered in lieu of degree. * Deep experience with AWS (GovCloud/SC2S), Kubernetes (EKS or self-managed), Linux, and CI/CD tools. * Proficient in one or more scripting languages (e.g., Bash, Python). * Hands-on experience with Git/GitLab, container registries, and infrastructure monitoring tools. * Strong knowledge of cloud security best practices, IAM, networking, and platform lifecycle management. * Excellent communication and troubleshooting skills, with experience supporting mission-critical systems. * Strong understanding of cloud networking, load balancing, and DNS in cloud environments. * Ability to work a hybrid schedule, 3 days on base, 2 days a week telework (subject to change due to mission requirements). Bonus Credentials (Preferred): * Master's or other advanced degree in Information Technology or Similar Discipline * Experience with Air Force or DoD platform infrastructure environments (e.g., Platform One, Iron Bank, Big Bang). * Familiarity with Atlassian tools (Jira, Confluence) and DevSecOps workflows. * Certifications in one or more of the following: * AWS Certified Solutions Architect * Certified Kubernetes Administrator (CKA), or similar certifications. This is your chance to drive the next evolution of secure cloud operations and shape the future of defense modernization. At Leidos, your mission is our mission—are you ready to deploy your potential? Apply today EIO2024 Come break things (in a good way). Then build them smarter. We're the tech company everyone calls when things get weird. We don't wear capes (they're a safety hazard), but we do solve high-stakes problems with code, caffeine, and a healthy disregard for "how it's always been done." Original Posting: October 14, 2025 For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above. Pay Range: Pay Range $104, $189,175.00 The Leidos 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.