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DevSecOps Engineer & MBSE Compensation: $140,000 - 150,000 Security Clearance: Secret clearance required to start Must be able to obtain Top Secret Location: Rockville, MD with occasional travel locally (Aberdeen Proving Ground, Pentagon, CARDEROCK) We are seeking a highly skilled DevSecOps Engineer with expertise in Model-Based Systems Engineering (MBSE) to support the design, development, integration, and security of complex systems. This role bridges software delivery, cybersecurity, and systems engineering, ensuring secure and efficient system lifecycle management through modern DevSecOps practices and MBSE methodologies. The ideal candidate will have 7–8+ years of post-graduate experience in a STEM field, with a strong foundation in systems modeling, automation, secure software pipelines, and defense-focused environments. Prior U.S. Army experience is highly preferred, especially in operational, engineering, or acquisition roles. Key Responsibilities DevSecOps Engineering • Design, implement, and maintain secure CI/CD pipelines integrating security controls throughout the software development lifecycle. • Automate infrastructure provisioning using Infrastructure-as-Code (IaC) tools (e.g., Terraform, Ansible, CloudFormation). • Integrate security tools (SAST, DAST, vulnerability scanning, container security) into development workflows. • Support cloud and hybrid environments (AWS, Azure, or DoD cloud platforms such as IL2–IL6). • Collaborate with development and security teams to ensure compliance with DoD cybersecurity frameworks (e.g., RMF, NIST, STIGs). • Monitor system performance, reliability, and security posture using modern observability tools. MBSE Modeling & Systems Engineering • Develop and maintain system models using MBSE tools such as Cameo Systems Modeler (MagicDraw) (Prferred), IBM Rhapsody, or Sparx EA. • Apply SysML/UML to define system architecture, requirements, interfaces, and behaviors. • Support requirements traceability and ensure alignment between system models and implementation artifacts. • Participate in system lifecycle activities including concept development, design reviews, integration, and validation. • Collaborate with stakeholders to translate mission needs into technical system models and architectures. Integration & Cross-Functional Support • Bridge software engineering and systems engineering disciplines to enable digital engineering environments. • Support model integration with DevOps pipelines (e.g., model validation, automated documentation generation). • Work with program leadership to improve engineering processes, toolchains, and workflows. • Provide technical leadership and mentorship to junior engineers. Required Qualifications • Bachelor’s degree (or higher) in a STEM discipline (Engineering, Computer Science, Systems Engineering, Mathematics, etc.). • 7–8+ years of professional experience post-graduation. • Demonstrated experience in: o DevSecOps practices and tools (Git, Jenkins/GitLab CI, Docker, Kubernetes) o Automation and scripting (Python, Bash, PowerShell) o MBSE tools and SysML modeling • Familiarity with DoD cybersecurity and compliance frameworks (e.g., RMF, NIST 800-53). • Experience working in agile or hybrid development environments. • Strong problem-solving, analytical, and communication skills. Preferred Qualifications • Prior U.S. Army experience (Active Duty, Reserve, or Civilian), particularly in: o Systems engineering o Cybersecurity o Signal, Intelligence, or acquisition programs • Experience supporting DoD acquisition programs or working in classified environments • Relevant certifications such as: o Security+, CISSP, or other DoD 8570/8140 certifications o Certified MBSE/SysML Professional (OCSMP) o AWS/Azure certifications • Experience with Digital Engineering strategies and tools aligned with DoD initiatives Work Environment • Collaborative, mission-focused environment supporting defense or national security programs. • May include hybrid or on-site support depending on program requirements.

System One, and its subsidiaries including Joulé and Mountain Ltd., are leaders in delivering outsourced services and workforce solutions across North America. We help clients get work done more efficiently and economically, without compromising quality. System One not only serves as a valued partner for our clients, but we offer eligible employees health and welfare benefits coverage options including medical, dental, vision, spending accounts, life insurance, voluntary plans, as well as participation in a 401(k) plan. System One is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex (including pregnancy, childbirth, or related medical conditions), sexual orientation, gender identity, age, national origin, disability, family care or medical leave status, genetic information, veteran status, marital status, or any other characteristic protected by applicable federal, state, or local law. #M1 #LI-VH1