Senior DevSecOps Engineer

In a world of possibilities, pursue one with endless opportunities. Imagine Next!   At Parsons, you can imagine a career where you thrive, work with exceptional people, and be yourself. Guided by our leadership vision of valuing people, embracing agility, and fostering growth, we cultivate an innovative culture that empowers you to achieve your full potential. Unleash your talent and redefine what’s possible.   Job Description: Parsons is looking for a sharp  Senior DevSecOps Engineer  to join our growing team in Boulder, CO! In this fully onsite role , you will be a hands-on technical leader for a small, fast-moving program team supporting a classified space portfolio. You will drive DevSecOps practices across multiple projects, architect secure-by-design solutions, and build and maintain robust CI/CD pipelines and infrastructure that meet stringent mission and security requirements. This role is ideal for a self-starter who is comfortable leading, coding, automating, and collaborating across engineering, cybersecurity, and operations teams. What You’ll Be Doing : Lead DevSecOps initiatives across multiple enclaves and projects, serving as a primary technical point of contact for secure software and infrastructure delivery Architect, implement, and maintain secure cloud and on-prem environments using Infrastructure as Code toolsets such as Terraform, Ansible, CloudFormation, or Pulumi Design, build, and operate automated CI/CD pipelines (e.g., GitLab CI, GitHub Actions, Azure DevOps, Jenkins) with integrated security controls including SAST, DAST, SCA, container image scanning, and secret management Implement, harden, and manage containerized workloads using Docker and Kubernetes (including RKE2, OpenShift, or Rancher), leveraging Helm, Kustomize, and umbrella charts to deploy and manage complex, multi-service systems Provide expert Linux systems administration on Red Hat Enterprise Linux , including troubleshooting issues across storage, operating systems, applications, and networks in classified or mission-critical environments Integrate security into the SDLC by enforcing secure coding practices, performing code and pipeline reviews, and mentoring developers on DevSecOps and application security principles (including OWASP Top 10) Establish and maintain observability capabilities (logging, metrics, tracing, alerting) to support reliability, incident response, and performance monitoring for mission systems Identify, prioritize, and drive remediation of vulnerabilities across applications, containers, hosts, and infrastructure, in alignment with NIST  controls and DoD DevSecOps guidance Implement and maintain DAST and SAST tools in coordination with ISSOs, system security engineers, and development teams to support RMF Assessment and Authorization (A&A) efforts and continuous monitoring Utilize and manage binary registries (e.g., Artifactory, Harbor, Docker Registry, Nexus) and package repositories in secure environments, ensuring compliance with program policies and security baselines Support and enhance compliance- and policy-as-code solutions (e.g., OPA, Conftest, Checkov) to enforce security baselines, configuration standards, and deployment guardrails across Kubernetes, cloud, and IaC artifacts Collaborate with systems engineering, cybersecurity, operations, and vendor teams to ensure software and infrastructure designs meet security, performance, availability, and accreditation requirements Support and contribute to program documentation and security artifacts, including architecture and deployment documentation, security plans, DevSecOps process documentation, and material for technical reviews and readiness events Work with Product Owners and Scrum Masters to translate security and DevSecOps requirements into actionable user stories and tasks; support Agile ceremonies and iterative delivery of secure capabilities Drive continuous improvement in automation, tooling, and processes to increase deployment frequency, reduce change failure rates, and strengthen the overall security posture of the program What Required Skills You’ll Bring : Active DoD Secret clearance , with eligibility and willingness to obtain TS/SCI 10+ years of professional experience, with additional education able to count towards total years of experience. Potential flexibility pending Customer approval. Bachelor’s degree, or additional years of experience in lieu of a degree Professional software/DevSecOps experience in mission-critical defense, space, or aerospace environments; familiarity with DoD DevSecOps, Agile, NIST controls, and OWASP Top 10 Strong Linux (RHEL) administration and scripting skills   (Bash, Python) (Bash, Python) , including system hardening, automation, and troubleshooting across storage, OS, application, and network layers Proficiency in at least one major programming language (e.g., Java, C#, Python, Go, JavaScript/TypeScript) and associated frameworks, plus Git-based workflows and collaboration tools Hands-on experience with containers and orchestration (Kubernetes with RKE2, OpenShift, or Rancher) and managing binary/container registries (Artifactory, Docker Registry, Harbor, Nexus) Expertise in DevOps/DevSecOps practices: CI/CD pipeline design and operation, integrating security controls (SAST, DAST, SCA, container scanning, secret management), and secure SDLC implementation Advanced Infrastructure as Code and cloud skills: Terraform, Ansible, CloudFormation, Pulumi; building and managing AWS/Azure/GCP environments with monitoring/observability Experience with policy-as-code and compliance-as-code solutions (e.g., OPA, Conftest, Checkov) ​ What Desired Skills You Might Bring : Prior experience supporting classified space or defense programs Familiarity with Model-Based Systems Engineering (MBSE) tools and methods Experience with systems engineering processes, including requirements analysis, design, integration, verification, and vali