Senior Software Systems Engineer

Trident is a trusted provider of aerospace and defense electronics and processing systems. The Senior Software Systems Engineer will support the architecture, modeling, and documentation of complex, cloud-enabled C4ISR and data-driven systems, ensuring alignment between system requirements and implementation while collaborating with various teams.

Responsibilities:

• Develop and maintain SysML models in Cameo Systems Modeler representing system structure, interfaces, behaviors, and data flows
• Support definition of system boundaries, external interfaces, and integration points across software, hardware, and network components
• Maintain traceability from stakeholder requirements through architectural elements
• Assist with trade studies, interface definitions, and design reviews
• Create and maintain technical documentation in wiki platforms (e.g., Confluence or similar)
• Develop and update diagrams outside of Cameo, including architecture views, sequence diagrams, deployment diagrams, and C4-style representations
• Ensure documentation is clear, organized, and usable for engineering, program management, and customer stakeholders
• Maintain consistency between formal models, diagrams, and written documentation
• Participate in engineering design discussions and technical interchange meetings
• Support requirements clarification and change management processes
• Interface with program managers and technical leads to communicate system impacts of proposed changes
• Identify gaps or inconsistencies in system definitions and recommend improvements
• Support definition and maintenance of verification strategies to ensure system requirements are testable and traceable
• Maintain traceability from requirements through architecture to verification methods (analysis, inspection, test, demonstration)
• Collaborate with Government engineers to ensure system architecture supports testability and observability
• Participate in design reviews to ensure architectural decisions support verification objectives

Requirements:

• Bachelor's degree in Systems Engineering, Software Engineering, Computer Science, or related technical field
• 6+ of related experience with a Bachelor's degree OR 4+ years with a Master's degree
• Experience working on software-intensive or distributed systems
• Experience contributing to system or software architecture documentation
• Hands-on experience with SysML modeling
• Experience using Cameo Systems Modeler (MagicDraw)
• Experience producing technical documentation in a wiki, Markdown, or structured documentation environment
• Familiarity with modern software development practices
• Ability to obtain and maintain a US government security clearance
• Experience supporting DoD or government programs
• Experience with cloud platforms (AWS, Azure, or GCP)
• Familiarity with C4ISR systems, tactical communications, or data analytics platforms
• Experience with diagramming tools such as draw.io, Lucidchart, or Visio
• Exposure to DevOps, CI/CD pipelines, or containerized deployments
• Familiarity with systems verification and validation (V&V) processes
• Experience working with requirements traceability matrices (RTMs) or verification matrices
• Exposure to requirements management or test management tools (e.g., Jama, DOORS, R4J)