Senior DevSecOps Engineer - TS/SCI with Polygraph

TITLE: Senior DevSecOp s Engineer

LOCATION: Sterling, VA

CLEARANCE REQUIRED: Active DoD TS/SCI with Polygraph

EMPLOYMENT TYPE: Full-time, On-site

POSITION SUMMARY

Modern Government Solutions (MGS) is seeking a Senior DevSecOps Engineer with extensive experience in designing, deploying, and maintaining secure, modern cloud infrastructures. The ideal candidate will bring deep expertise in Infrastructure-as-Code ( IaC ), CI/CD automation, cloud system architecture, and troubleshooting across both Linux and Windows environments. This role requires strong proficiency in DevSecOps tools, automation frameworks, and secure system engineering practices, with the ability to develop, test, and integrate complex solutions in a fast-paced Agile environment.

The engineer will be responsible for building and maintaining automated deployment pipelines, configuring enterprise identity and access management services, and implementing automated testing solutions to ensure system reliability, scalability, and security.

RESPONSIBILITIES (not limited to):

• Design, deploy, and maintain modern cloud infrastructures using Infrastructure-as-Code ( IaC ), automated CI/CD pipelines, and DevSecOps tools (Jenkins, Terraform, Ansible, GitLab, Foreman, Selenium).
• Configure and integrate enterprise services including IdAM, Active Directory, LDAP, and support both Linux and Windows environments.
• Apply engineering rigor and automation practices , creating testing plans, maintaining documentation, and ensuring secure, reliable system performance.
• Collaborate in Agile teams , providing technical presentations, effective communication with stakeholders, and expert troubleshooting across complex environments.

REQUIRED SKILLS AND QUALIFICATIONS

• Must possess an active Department of Defense (DoD) TS/SCI with Polygraph security clearance .
• Bachelor's degree or above in a STEM field such as Computer Science, Engineering, Information Technology, Cybersecurity, or related discipline.
• 10+ years of relevant work experience. 
• Must meet DoD 8570 IAT Level II requirements (Security+ CE or higher).

Cloud & DevOps Expertise

• Experience designing and implementing solutions using AWS (preferred) or other cloud platforms (Azure) .
• Hands-on experience with Infrastructure-as-Code ( IaC ) and DevOps tooling (Terraform, Ansible, Jenkins, GitLab, Foreman) .
• Strong background in Continuous Integration/Continuous Deployment (CI/CD), automated pipelines, and DevSecOps practices .
• Familiarity with containerized development environments (Rancher, Kubernetes) .

Automation & Development

• Experience developing integration interfaces using Python, PowerShell, or Groovy .
• Expertise with automated testing tools (e.g., Selenium) and developing automated test plans for both functional and security requirements .
• Experience with DevOps testing and API gateways/catalogs .

Systems & Security

• Familiarity with enterprise security requirements and processes .
• Strong understanding of Active Directory, LDAP, and IdAM .
• Experience with system component maintenance and validation .

Professional Skills

• Proven engineering rigor with expert troubleshooting and solutioning skills .
• Strong technical documentation abilities (guides, diagrams, artifacts) .
• Understanding of Agile methodologies, including decomposing tasks for Jira stories and working within cross-functional Scrum teams .

PREFERRED SKILLS AND QUALIFICATIONS

Cloud & Virtualization

• Cloud solution optimization (AWS, Azure, Google, Oracle, IBM) .
• Virtualization tools (Grafana, Splunk) .
• End-to-end visibility, monitoring, and analytics tools (AppDynamics, DynaTrace ) .
• Integration of virtualized applications and application streaming/layering techniques .

Systems Engineering & Platforms

• Experience with Model-Based Systems Engineering (MBSE) .
• IBM Enterprise Lifecycle Management, TeamWork Cloud/Cameo .
• SharePoint administration .
• Tableau .

Leadership & Collaboration

• Ability to oversee total system perspective, including dependencies across cloud, infrastructure, and security domains .
• Experience with ITSM tools (ServiceNow) .

*Applicants selected will be United States citizens and may be subject to a government security investigation for access to classified information.*

ABOUT US

At MGS, we believe a people-first culture corresponds to organizational success through a commitment to excellence, integrity, inclusion, and an attitude that welcomes challenges meets demands, sustains growth, and drives innovation. We provide expert mission-first technical and programmatic services and solutions for the US intelligence community, the US Department of Defense, and other governmental agencies. We create people-first organizational cultures where employees feel needed in the system, not a system that needs employees. We provide you with long-term career opportunities centrally focused on our core value system: inclusion, integrity, and a commitment to excellence.

MGS is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, or protected veteran status, and will not be discriminated against on the basis of disability.