> Markdown version of [/jobs/ext/2199994-mbse-system-engineer](https://www.wearedevelopers.com/jobs/ext/2199994-mbse-system-engineer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # MBSE System Engineer - **Company:** Apex Systems LLC - **Location:** Fort Worth, TX, United States - **Experience:** Expert - **Salary:** $156,000.0 - $187,200.0 - **Contract:** Permanent contract - **Skills:** Activity Diagram, Application Programming Interfaces (APIs), Agile Methodology, Systems Engineering, Databases, Network Interface Controllers, Design of User Interfaces, Scrum Methodology, Release Management, Requirements Management, Requirements Traceability, Software Requirements Analysis, Software Systems, Subsystems, Systems Modeling Language, Systems Architecture, Systems Integration, SC Clearance, Modeling and Simulation - **Published:** August 23, 2026 - **Apply:** https://www.clearancejobs.com/jobs/8990800/mbse-system-engineer ## About the Role * Cameo - what is an activity diagram, IBD, what are use cases and capabilities, how to build all of those * Systems Engineering background with 5+ years' experience * Experience with API's (plus) * Previous Scrum Master/Tech Lead/Product Owner experience (plus) * Agile experience * Active Secret clearance ## Description * This role combines systems engineering, requirements management, product ownership, and Agile leadership responsibilities. You will work closely with software developers, database engineers, architects, testers, customers, and leadership to define, prioritize, and deliver software capabilities., * Manage and prioritize product backlogs, user stories, features, and acceptance criteria. * Analyze and decompose customer requirements into system and software requirements (DOORS/Cameo) * Utilize DOORS to manage requirements, traceability, and requirement relationships. * Develop and review systems engineering documentation including Capability Work Packages (CWPs), Interface Control Documents (ICDs), Interface Design Documents (IDDs), and requirements specifications. * Support Model-Based Systems Engineering (MBSE) activities including development and maintenance of SysML models using Cameo Systems Modeler. * Create and maintain Activity Diagrams, Block Definition Diagrams (BDDs), Internal Block Diagrams (IBDs), Use Cases, Capabilities, and other system architecture artifacts. * Develop and maintain requirements traceability between customer, system, subsystem, and software requirements across DOORS and MBSE models. * Support synchronization and integration of requirements, model elements, verification artifacts, and Requirements Traceability Verification Matrices (RTVMs). * Perform model reviews, requirements analysis, architecture assessments, and technical documentation reviews to ensure consistency and completeness across engineering baselines. * Coordinate with software developers, database engineers, architects, testers, customers, and leadership to support program objectives. * Facilitate Agile ceremonies including sprint planning, backlog refinement, daily standups, sprint reviews, and retrospectives. * Participate in Program Increment (PI) Planning activities including feature prioritization, dependency identification, risk assessment, and capacity planning. * Identify, communicate, and coordinate resolution of technical issues, risks, dependencies, and blockers. * Support software integration efforts involving APIs, databases, and external systems. * Participate in technical reviews, customer demonstrations, and release planning activities. PLEASE NOTE: Candidates must be able to obtain and/or maintain a Department of Defense SECRET security clearance as a condition and continuation of employment* ## Related Videos - [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) - [Kubernetes and Microservices with Multi-Model Databases](https://www.wearedevelopers.com/videos/382-kubernetes-and-microservices-with-multi-model-databases) - [10M Data Records Lost, Underwater Computing, and Psychedelic Fish - Matthias Geniar](https://www.wearedevelopers.com/videos/1908-10m-data-records-lost-underwater-computing-and-psychedelic-fish-matthias-geniar) - [Fault Tolerance and Consistency at Scale: Harnessing the Power of Distributed SQL Databases](https://www.wearedevelopers.com/videos/1146-fault-tolerance-and-consistency-at-scale-harnessing-the-power-of-distributed-sql-databases) - [Develop on Windows, Deploy on Red Hat Enterprise Linux](https://www.wearedevelopers.com/videos/1600-develop-on-windows-deploy-on-red-hat-enterprise-linux) - [Solving Architectural Entropy With Runnable Diagrams](https://www.wearedevelopers.com/videos/100144-solving-architectural-entropy-with-runnable-diagrams) ## 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) - [What is Software Engineering?](https://www.wearedevelopers.com/magazine/289-what-is-software-engineering) - [Why Upskilling And Reskilling is Important For Developers](https://www.wearedevelopers.com/magazine/428-why-upskilling-and-reskilling-is-important-for-developers) - [Everything a Developer Needs to Know About MCP with Neo4j](https://www.wearedevelopers.com/magazine/604-everything-a-developer-needs-to-know-about-mcp-with-neo4j) - [What Jobs Can You Get with a Software Engineering Degree?](https://www.wearedevelopers.com/magazine/398-what-jobs-can-you-get-with-a-software-engineering-degree) - [Events like RSAC Get You CISOs. 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