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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Software Engineer - **Company:** CareerCircle - **Location:** Rockville, MD, United States - **Salary:** $93,600.0 - $114,400.0 - **Contract:** Temporary contract - **Skills:** Testing (Software), HTML, Java (Programming Language), JavaScript (Programming Language), Activity Diagram, Application Programming Interfaces (APIs), Agile Methodology, Amazon Web Services, Application Frameworks, Business Logic, Systems Engineering, Confluence, JIRA, Build Automation, Automation of Tests, Microsoft Azure, Bash Shell, Unix, C++ (Programming Language), Cascading Style Sheets (CSS), Cloud Computing, Configuration Management, Static Program Analysis, Signals Intelligence, Computer Programming, Custom Software, Linux, DevOps, Electronic Data Interchange (EDI), Github, Groovy, Hardware Design, Issue Tracking Systems, Spring Framework, Junit, Python (Programming Language), Key Management, PostgreSQL, MATLAB, NoSQL, Object-Oriented Software Development, Public Key Infrastructure, Scrum Methodology, Resource Description Framework (RDF), Software Tools, Ansible, Message Oriented Middleware, Requirements Traceability, Service-Oriented Architecture, Software Engineering, Software Systems, Verification and Validation (Software), SPARQL, SQL Databases, Subsystems, Systems Modeling Language, Systems Architecture, System Testing, Systems Integration, Web Applications, Web Application Frameworks, Workflow Management Systems, Extensible Markup Language (XML), XQuery, Parametric Modeling, Data Processing, Scripting, Google Cloud, Computer Network Operations, Cloud Platform System, Marklogic, Spring-boot, Test Scripts, Model Validation, Orbital Mechanics, SC Clearance, AngularJS, Information Technology, Data Management, Software Coding, Software Version Control, Workday, Katalon Studio, Jenkins, Programming Languages - **Published:** October 14, 2026 - **Apply:** https://www.careercircle.com/jobs/all/all/usa/md/rockville/0945d82d-343d-4c7d-86eb-e1284d00c31b ## About the Role Teamwork Scripting Visionary Automation Governance Innovation Subsystems Coordinating Test Automation Computer Science Model Validation Web Applications Secret Clearance Activity Diagram Security Clearance Workflow Management Systems Engineering Systems Integration Parametric Modeling Software Development Systems Architecture Atlassian Confluence Programming Languages Systems Modeling Language Requirements Traceability Engineering Design Process Java (Programming Language) Verification And Validation Python (Programming Language) Continuous Improvement Process, * Bachelors degree in Engineering, Computer Science, Systems Engineering, or a related technical discipline. * Hands-on experience using Cameo Systems Modeler for system and subsystem architecture modeling. * Strong SysML modeling capabilities, including creation of core SysML diagrams and artifacts. * Experience with system architecture development for complex hardware and software systems. * Proficiency in writing code in Java, including development of plugins and automation tools. * Experience creating scripts, automation solutions, or engineering tools to improve efficiency and consistency. * Experience supporting system integration and verification and validation (V&V) activities. * Ability to obtain and maintain a U.S. Department of Defense Secret security clearance. Additional Skills & Qualifications * Experience with Teamwork Cloud for managing collaborative MBSE environments. * Familiarity with Cameo Collaborator and Project Merge for model review and configuration management. * Experience using Python, Groovy, and JavaScript for automation and scripting in engineering workflows. * Knowledge of HTML for developing or customizing web-based interfaces and documentation. * Experience with custom SysML profile development to tailor modeling frameworks to program needs. * Background in MBSE automation, including plugin development and tool integration. * Experience with Confluence and Jira for documentation, collaboration, and issue tracking. * Exposure to digital engineering environments and practices. * Experience with model validation and automated testing frameworks to ensure model correctness and reliability. Work Environment This role operates within a digital engineering environment that emphasizes Model-Based Systems Engineering for complex defense-related systems. You will work extensively with Cameo Systems Modeler, Teamwork Cloud, and related MBSE tools, as well as scripting and programming languages such as Java, Python, Groovy, JavaScript, and HTML. Collaboration with systems engineers, software and hardware developers, architects, and other stakeholders is a key part of the workday, often leveraging tools like Confluence and Jira for coordination and documentation. The position supports a U.S. Navy Strategic Systems program and requires the ability to obtain and maintain a DoD Secret clearance, reflecting a secure and structured work setting focused on high-quality engineering outcomes and continuous improvement of MBSE capabilities. Job Type & Location, Individual compensation offered for this position within this range will depend on many factors, including qualifications, skills, relevant experience, job knowledge, geographic location, internal equity, and other pertinent job-related factors., Linux MATLAB Ansible Planning Curiosity Visionary Operations Leadership Automation Innovation PostgreSQL Spacecraft Reliability Self-Starter Data Exchange Test Automation Problem Solving Data Management Change Requests Customer Service Computer Science Mission Planning Operating Systems Space Exploration Orbital Mechanics ## Description This MBSE Systems Developer role focuses on advancing digital engineering capabilities for a U.S. Navy Strategic Systems program. The position combines Model-Based Systems Engineering, software development, and engineering automation to design and maintain system architecture models in Cameo Systems Modeler. You will create automation tools, plugins, and test scripts that enhance modeling efficiency, requirements traceability, verification and validation activities, and overall engineering productivity. Responsibilities * Develop and maintain system and subsystem architecture models using Cameo Systems Modeler. * Create SysML artifacts including Activity Diagrams, Block Definition Diagrams (BDDs), Internal Block Diagrams (IBDs), parametric models, and behavioral models. * Define and manage interfaces between hardware, software, and integrated subsystems to ensure cohesive system behavior. * Support requirements traceability, verification, validation, and model governance activities across the engineering lifecycle. * Develop custom Java plugins and extensions for Cameo Systems Modeler to enhance tool capabilities and automation. * Create and maintain automated engineering workflows using Python, Groovy, JavaScript, and Java to streamline modeling and analysis tasks. * Develop test scripts to validate models, check model consistency, verify interfaces, and ensure the integrity of engineering data. * Support Teamwork Cloud environments, including model repositories, libraries, and reusable frameworks, to enable collaborative MBSE development. * Build automation solutions that improve model quality, consistency, reporting, and overall engineering workflow efficiency. * Support software and hardware integration activities, contributing to successful system-level implementation and testing. * Collaborate with customers, developers, architects, and systems engineers to evolve MBSE capabilities and digital engineering practices. * Maintain eligibility to obtain and hold the required security clearance for work on defense-related programs., Provisioning Tools Systems Integration Software Engineering Software Development Cloud Infrastructure User Experience (UX) Top Secret Clearance Technical Engineering Full Stack Development Intellectual Curiosity Static Program Analysis Public Key Infrastructure Engineering Design Process C++ (Programming Language) Message-Oriented Middleware Python (Programming Language) Continuous Improvement Process Troubleshooting (Problem Solving) Object-Oriented Programming (OOP) Top Secret-Sensitive Compartmented Information (TS/SCI Clearance) +0 Google IT Automation with Python MarkLogic Developer (SME) Leidos Bethesda, MD*On-Site NoSQL Junit DevOps XQuery Equities Marklogic Operations Governance Purchasing Upskilling Market Data Spring Boot Cryptography Business Logic Key Management System Testing Data Processing Custom Software Ancient History Agile Methodology Analytical Method Time Off Management Security Engineering Signals Intelligence Business Requirements Object-Oriented Design Education and Training Angular (Web Framework) Application Development SQL (Programming Language) Agile Software Development Java (Programming Language) Computer Network Operations Cascading Style Sheets (CSS) Python (Programming Language) Service-Oriented Architecture Software Development Life Cycle Extensible Markup Language (XML) HyperText Markup Language (HTML) JavaScript (Programming Language) Resource Description Framework (RDF) Application Programming Interface (API) SPARQL Protocol And RDF Query Language (SPARQL) Top Secret-Sensitive Compartmented Information (TS/SCI Clearance) +0 Software Engineer Leidos Bethesda, MD*On-Site Unix JIRA Junit DevOps Github Jenkins Equities Scripting Operations Automation Innovation Purchasing User Story Upskilling Market Data Spring Boot Cryptography Key Management System Testing Katalon Studio Version Control Microsoft Azure Ancient History Software Testing Spring Framework Agile Methodology Analytical Method Software Solutions Amazon Web Services Time Off Management Scripting Languages Security Engineering Software Engineering Atlassian Confluence Signals Intelligence Education and Training Bash (Scripting Language) Agile Software Development Java (Programming Language) Google Cloud Platform (GCP) Computer Network Operations Standard Operating Procedure Scrum (Software Development) Python (Programming Language) Software Development Life Cycle JavaScript (Programming Language) Top Secret-Sensitive Compartmented Information (TS/SCI Clearance) +0 Google IT Automation with Python Google Project Management