Senior DevSecOps Engineer - TS/SCI w CI Poly

Modern Government Solutions•Sterling, VA
•Onsite

About The Position

Modern Government Solutions (MGS) is seeking a Senior DevSecOps Engineer to design, implement, and sustain CI/CD pipelines, test automation frameworks, and DevSecOps workflows in secure cloud environments supporting national security missions. The role drives automation, integration, and quality assurance across iterative development projects, with a focus on platform reliability and security compliance. The engineer will work with engineering, cybersecurity, and infrastructure experts to troubleshoot complex issues, develop integration interfaces, and implement improvements that enable mission delivery. The position is onsite in Sterling, Virginia, and requires an active DoD TS/SCI clearance with CI Polygraph. Relocation assistance may be considered. Candidates must meet DoD 8140 requirements, including Security+ CE certification. A bachelor's or master's degree in a STEM field is required, though experience may be accepted in lieu of a degree. Applicants must be U.S. citizens and may be subject to a government security investigation for access to classified information.

Requirements

  • Active DoD TS/SCI security clearance with CI Polygraph.
  • Meet DoD 8140 requirements, including Security+ CE certification.
  • Bachelor's or master's degree in a STEM field; experience may be accepted in lieu of a degree.
  • 10 or more years of experience with CI/CD, test automation, and DevSecOps on iterative development projects.
  • Experience with cloud architecture and system design, preferably AWS.
  • Experience developing integration interfaces using Python, PowerShell, and Groovy.
  • Experience with DevOps tools including Ansible, Terraform, Jenkins, GitLab, Active Directory, IdAM, and LDAP.
  • Experience with API gateways and catalogs.
  • Familiarity with Agile methodologies and task decomposition using Jira.
  • Familiarity with containerized development environments, including Rancher and Kubernetes.
  • U.S. citizenship; selected applicants may be subject to a government security investigation for classified-information access.

Nice To Haves

  • Experience with Model-Based Systems Engineering (MBSE) infrastructure and tools.
  • Experience configuring and instrumenting monitoring and visualization tools such as Grafana and Splunk.
  • Experience implementing and integrating ServiceNow solutions.
  • Experience supporting virtualization technologies and application streaming or layering techniques.
  • Experience leading from a total-system perspective across cloud services, infrastructure, and security domains.
  • Experience configuring and administering SharePoint, IBM Engineering Lifecycle Management (ELM), Teamwork Cloud/Cameo, and Tableau.

Responsibilities

  • Design, implement, and maintain CI/CD pipelines, test automation frameworks, and DevSecOps workflows in cloud-based environments.
  • Support cloud architecture and system design, preferably using AWS.
  • Develop and maintain integration interfaces using Python, PowerShell, and Groovy.
  • Decompose and manage tasks using Agile methodologies and Jira story development.
  • Build and maintain test plans; perform system testing, validation, and troubleshooting to ensure operational readiness.
  • Administer and maintain system components, API gateways, and catalogs.
  • Implement and maintain DevOps automation using Ansible, Terraform, Jenkins, GitLab, Active Directory, IdAM, and LDAP.
  • Support containerized environments using Rancher, Kubernetes, or similar technologies.
  • Assess and apply customer security requirements and processes.
  • Create and maintain technical documentation and operational procedures.
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