Platform Engineer

Leidos • San Antonio, TX

2d • Hybrid

About The Position

Embark on Your Next Challenge: 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. Based 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 offers a hybrid work model, with part-time work conducted on base and part-time remote work from home.

Requirements

• Clearance: Active TS/SCI on day 1.
• Current IAT Level II certification
• Bachelor’s Degree (preferably in Information Technology or similar discipline) with 4+ years relevant experience or Associate’s degree and 6+ years. Additional experience and certifications may be considered in lieu of degree.
• Solid experience working with AWS (GovCloud/SC2S), Kubernetes (EKS or self-managed), Linux environments, and CI/CD toolsets.
• Skilled in at least one scripting language such as Bash or Python.
• Practical, hands-on exposure to Git/GitLab, container registries, and infrastructure monitoring solutions.
• Good working knowledge of cloud security best practices, IAM, networking fundamentals, and platform lifecycle management.
• Strong communication and troubleshooting skills, with experience supporting mission-critical systems.
• Understanding of cloud networking, load balancing, and DNS in cloud environments.
• Ability to work a hybrid schedule; (subject to change due to mission requirements).

Nice To Haves

• 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.

Responsibilities

• Contribute to the engineering, deployment, and upkeep of Kubernetes clusters and related services across AWS GovCloud and Azure platforms.
• Assist in automating platform provisioning, configuration management, and monitoring using Infrastructure-as-Code tools like Terraform and CloudFormation.
• Handle identity and access controls, patching, logging, and backup processes within multi-tenant environments.
• Help troubleshoot platform and infrastructure issues to maintain high availability of essential workloads.
• Work closely with mission teams and platform users to gather requirements and enhance cloud-native services.
• Aid in compliance initiatives (e.g., RMF, Zero Trust Architecture, IL5+ hardening) and help embed cybersecurity needs into platform design.
• Keep system documentation, baselines, and operational runbooks up to date.
• Take part in Agile planning and sprint activities with cross-functional teams.
• Perform additional related duties as needed.

What This Job Offers

• Job Type: Full-time
• Career Level: Mid Level
• Number of Employees: 5,001-10,000 employees