Onsite Platform Engineer, Security-Cleared, DevSecOps

FANTOM CORPORATION; Chantilly (VA); On-site; USD 140,000 - 190,000; Full time

Job summary

Fantom Corporation is seeking a Platform Engineer to design, implement, and maintain the infrastructure that powers enterprise applications and services across defense and intelligence programs. You will build scalable, secure platform solutions using Kubernetes, Terraform, Ansible, Puppet, Helm, and CI/CD pipelines, with a strong focus on DevSecOps, reliability, and cost efficiency.

This onsite role requires collaboration with software, security, and operations teams to deliver resilient,

Qualifications

• Experience designing and supporting Kubernetes-based infrastructure.
• Strong knowledge of DevSecOps principles and secure software delivery practices.
• Hands-on experience with Terraform for Infrastructure as Code (IaC).
• Experience with configuration management tools such as Ansible and Puppet.
• Strong administration experience with Red Hat Enterprise Linux (RHEL).
• Experience deploying and managing applications using Helm.
• Experience with container management technologies and containerized deployments.
• Experience designing, implementing, and supporting CI/CD pipelines.
• Experience managing AWS IAM roles, policies, and security controls.
• Strong troubleshooting, automation, and infrastructure optimization skills.
• Excellent communication and collaboration skills within cross-functional engineering teams.

Responsibilities

• Design, deploy, and maintain enterprise platform infrastructure supporting mission-critical applications and services
• Build, manage, and optimize Kubernetes clusters and containerized application environments
• Implement Infrastructure as Code (IaC) solutions using Terraform to automate infrastructure provisioning and management
• Develop and maintain configuration management solutions using Ansible and Puppet
• Administer and support Red Hat Enterprise Linux (RHEL) environments
• Deploy, manage, and maintain Kubernetes applications using Helm
• Design, implement, and optimize CI/CD pipelines to support automated application delivery
• Implement DevSecOps best practices by integrating security throughout the software development and deployment lifecycle
• Manage AWS Identity and Access Management (IAM) policies, roles, and permissions to ensure secure access to cloud resources
• Monitor platform performance, availability, and security while identifying opportunities for optimization and automation
• Troubleshoot complex infrastructure, container, and deployment issues across development and production environments
• Collaborate with software developers, security engineers, and operations teams to deliver scalable and reliable platform solutions
• Drive continuous improvement initiatives to enhance platform performance, scalability, reliability, and cost efficiency

Skills

Kubernetes

DevSecOps

Terraform

Ansible

Puppet

RHEL

Helm

CI/CD

AWS IAM

Automation

Tools

Terraform

Ansible

Puppet

Helm

Job description

Fantom Corporation is seeking a Platform Engineer to design, implement, and maintain the infrastructure that powers enterprise applications and services across defense and intelligence programs. You will build scalable, secure platform solutions using Kubernetes, Terraform, Ansible, Puppet, Helm, and CI/CD pipelines, with a strong focus on DevSecOps, reliability, and cost efficiency.

This onsite role requires collaboration with software, security, and operations teams to deliver resilient,