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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Systems Engineer (Secret Clearance) - **Company:** 22nd Century Technologies, Inc. - **Location:** San Diego, CA, United States - **Experience:** Expert - **Salary:** $166,400.0 - $208,000.0 - **Contract:** Temporary contract - **Skills:** Agile Methodology, Systems Engineering, Confluence, JIRA, Computer Engineering, Language Modeling, SAP (Applications), Software Engineering, Software Requirements Analysis, Systems Modeling Language, Internet Protocol Telephony, DOORS (Software), SC Clearance, Devsecops - **Published:** August 4, 2026 - **Apply:** https://www.indeed.com/viewjob?jk=414f417489fa99f3 ## About the Role * Bachelor's degree in Systems Engineering, Software Engineering, or another STEM discipline with the required years of experience based on level (3-5), or equivalent Master's/PhD experience. * Proven experience with the systems engineering process. * Experience in requirements development, management, analysis, verification, or validation. * Strong technical writing and communication skills. * U.S. Citizenship is required. * Active U.S. Government Secret Security Clearance. * Ability to obtain and maintain SAP access. Preferred Qualifications: * Experience with MBSE, Cameo Enterprise Architecture, DOORS, and DXL scripting. * Experience with Agile, JIRA, and Confluence. * Experience writing system requirements and verification plans. * Experience supporting large, complex defense, aerospace, or spacecraft programs. * Knowledge of SysML or UPDM modeling languages. * Engineering degree in Mechanical, Electrical, Aerospace, or Computer Engineering. * Active DoD Top Secret Clearance is a plus. * INCOSE participation or CSEP certification is preferred., * Systems Engineering: 5 years (Required) * MBSE (Model-Based Systems Engineering): 5 years (Required) ## Description The company is seeking a Systems Engineer to join its team in San Diego, CA. This position supports the development of advanced defense systems using Model-Based Systems Engineering (MBSE), Cameo Enterprise Architecture, DOORS, Agile, and DevSecOps methodologies. The selected candidate will work across the full system lifecycle, collaborating with cross-functional Integrated Product Teams (IPTs) to develop system architectures, manage requirements, perform trade studies, and deliver mission-critical capabilities., * Apply Model-Based Systems Engineering (MBSE) using Cameo Enterprise Architecture and DOORS. * Develop system architectures, functional models, interface definitions, and requirements. * Perform functional analysis, requirements allocation, trade studies, verification, and validation activities. * Translate customer requirements into detailed system specifications across the product lifecycle. * Collaborate with engineering, logistics, specialty engineering, and IPT teams. * Develop and maintain system models, engineering artifacts, and technical documentation. * Participate in Engineering Review Boards (ERBs), technical reviews, and customer presentations. * Support proposal efforts, contract documentation, and technical trade studies. ## Related Videos - [Improving quality with Agentic AI with Rovo Dev and Xray](https://www.wearedevelopers.com/videos/2005-improving-quality-with-agentic-ai-with-rovo-dev-and-xray) - [42 x 2 Canvases Later: Two Years, Two Minds, Many Lessons](https://www.wearedevelopers.com/videos/1458-42-x-2-canvases-later-two-years-two-minds-many-lessons) - [DevSecOps: Injecting Security into Mobile CI/CD Pipelines](https://www.wearedevelopers.com/videos/273-devsecops-injecting-security-into-mobile-ci-cd-pipelines) - [Model Based Systems Engineering in an Agile Product Development Process](https://www.wearedevelopers.com/videos/68-model-based-systems-engineering-in-an-agile-product-development-process) - [Security Pitfalls for Software Engineers](https://www.wearedevelopers.com/videos/726-security-pitfalls-for-software-engineers) - [A Founder's Journey : From Startup Chaos to Purposeful Growth](https://www.wearedevelopers.com/videos/1926-a-founder-s-journey-from-startup-chaos-to-purposeful-growth) ## Related Articles - [How We Built a Worry-Free System That Runs for 10+ Years – And What We’d Do Again](https://www.wearedevelopers.com/magazine/751-how-we-built-a-worry-free-system-that-runs-for-10-years-and-what-we-d-do-again) - [Is Software Engineering Over-Saturated?](https://www.wearedevelopers.com/magazine/418-is-software-engineering-over-saturated) - [The 12 Best Jobs for Software Engineers](https://www.wearedevelopers.com/magazine/401-the-12-best-jobs-for-software-engineers) - [What is Software Engineering?](https://www.wearedevelopers.com/magazine/289-what-is-software-engineering) - [Events like RSAC Get You CISOs. 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