Software Systems Engineer

Leidos•Huntsville, AL

About The Position

Leidos is dedicated to making the world a safer place by helping customers in the Defense Industry achieve their critical missions. The Defense Group employees are solving critical challenges across the globe. Leidos delivers innovative solutions through its diverse and talented people who are dedicated to customer success. The company empowers its teams, contributes to its communities, and operates sustainably. Leidos is committed to doing the right thing for its customers, people, and community, guided by its Mission, Vision, and Values. With offices across the United States engaging in the defense, space, cyber, and commercial fields, Leidos provides responsive, cost-effective engineering, scientific, and IT solutions. Leidos is known for its people-oriented culture, positive work environment, technical excellence, and resilient business ethics. This role is for a highly motivated and detail-oriented Software Systems Engineer to support complex defense and government programs throughout the systems engineering lifecycle. The ideal candidate will have strong defense industry experience, expertise in requirements development and management, and hands-on experience with Model-Based Systems Engineering (MBSE) methodologies and tools including Cameo and Jama. This role requires collaboration with cross-functional engineering teams, program leadership, and government stakeholders to support system design, development, integration, verification, and delivery.

Requirements

Be a US citizen with ability to obtain a security clearance
Bachelor’s degree in Systems Engineering, Electrical Engineering, Computer Engineering, Software Engineering, or related technical field.
4+ years of systems engineering experience or 2+ years with MS degree.
Prior experience supporting defense industry or Department of Defense (DoD) programs.
Hands-on MBSE experience using Cameo Systems Modeler.
Experience with model-based architecture development and SysML modeling.
Experience using Jama for requirements management and traceability.
Strong experience in requirements development and management.
Experience developing and maintaining: Program Interface Documents (PIDs), Interface Control Documents (ICDs), System/Subsystem Specifications (SSS), Software Requirements Specifications (SRS)
Experience with: Requirements analysis, Functional decomposition, System architecture development, Verification & Validation (V&V), Integration & Test, Configuration management, Risk management
Familiarity with Jira and Confluence collaboration tools.

Responsibilities

Perform systems engineering activities across the full system lifecycle including: Requirements analysis, Functional decomposition, System architecture development, Integration & Test, Verification & Validation (V&V), Configuration management, Risk management
Develop, analyze, and maintain system engineering documentation including: Program Interface Documents (PIDs), Interface Control Documents (ICDs), System/Subsystem Specifications (SSS), Software Requirements Specifications (SRS)
Support requirements decomposition, allocation, traceability, and change management activities.
Utilize Jama for requirements management, traceability, and collaboration across engineering teams.
Utilize Cameo Systems Modeler to develop and maintain MBSE artifacts and system models.
Support requirements decomposition, allocation, traceability, and change management activities.
Develop SysML diagrams including Activity diagrams, Sequence diagrams, Use case diagrams, Interface models
Support model-based architecture development and interface definition activities.
Conduct technical reviews, requirements reviews, and design reviews with internal teams.
Collaborate with software, hardware, cybersecurity, integration, and test teams to ensure system performance and compliance.
Provide technical leadership and support cross-functional collaboration across program teams.
Ensure engineering products comply with customer requirements, program objectives, and industry standards.
Participate in risk identification, mitigation planning, and technical issue resolution.