Sr. DevSecOps Engineer

M9 Solutions is dedicated to providing IT services and solutions to the Federal Government by mobilizing the right people, skills, clearance levels, and technologies to help organizations that desire improved performance and modern, sustainable change. M9 has provided quality IT services and support to more than 30 Federal Agencies and multiple commercial customers nationwide. Our capabilities include IT Talent Solutions, Data Delivery & Analytics, Cyber Security, Cloud Migration, Applications and Infrastructure, Software Development, and Finance & Accounting. M9 Solutions is seeking a Sr. DevSecOps Engineer to work onsite in support of a government contract for a client located in Reston, VA . An active TS/SCI clearance with CI Polygraph is required. Responsibilities Collaborate with the client and internal teams to design and implement technical solutions across multiple classification environments, working independently or collaboratively to address complex requirements. Develop CI/CD pipelines from scratch in GitLab and Jenkins, with integrated security scanning and STIG compliance validation, and provide expert guidance on pipeline troubleshooting and DevSecOps best practices. Create and maintain Infrastructure as Code (IaC) templates, primarily using CloudFormation, to architect highly available, resilient, and secure DevSecOps tool infrastructure across AWS environments (GovCloud, C2S, TC2S) while ensuring STIG compliance. Lead advanced troubleshooting by analyzing system and application logs using Linux command-line tools, conducting root cause analysis, and developing mitigation strategies to address service degradation. Provide expert guidance to development teams on secure coding practices, STIG compliance, and vulnerability remediation in support of ATO efforts, while mentoring junior engineers through code reviews, IaC best practices, and technical documentation. Required Skills and Qualifications Active TS/SCI security clearance with CI Poly. 5+ years as a DevSecOps Engineer, DevOps Engineer, or similar. Certification to satisfy DoD 8140/8570 (e.g., Security+, or equivalent). Strong hands-on Linux experience. Experience with designing, deploying, and managing production-grade Kubernetes (K8s) or OpenShift clusters via automation with Ansible and Terraform and/or CloudFormation in on-prem and cloud environments. Experience with CI/CD pipelines (e.g., GitLab or equivalent) and containerization. Experience with Helm chart development and STIGs (preferred). GH 995 Full-Time Employee Compensation M9 Solutions’ pay range for this position is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include, but are not limited to, responsibilities of the position, education, experience, knowledge, skills, abilities, as well as internal equity, location, alignment with market data, applicable bargaining agreement (if any), or other…