Systems Engineer 5

Legion Technical Solutions (LTS) is seeking an experienced Senior Principal Systems Engineer to support a premier national security space program with one of our leading aerospace and defense partners. This role is ideal for a systems engineer who enjoys solving complex technical challenges, driving system architecture, and working across multidisciplinary engineering teams to deliver mission-critical capabilities supporting Space Intelligence, Surveillance, and Reconnaissance (SISR). If you have a passion for systems engineering, Agile development, integration and test, and helping shape next-generation space systems, we’d like to hear from you. What You’ll Do As a Senior Principal Systems Engineer, you will: Define and elaborate system capabilities, features, and functional requirements Develop system architecture concepts and interface definitions Analyze system behavior through operational scenarios and use cases Partner with Integration & Test teams to automate test procedures and analyze results Investigate software and hardware integration issues and drive technical resolutions Support Agile Program Increment (PI) planning, backlog management, and team capacity planning Assist with Earned Value Management (EVM) execution and program performance tracking Collaborate closely with engineering leadership and program management to ensure technical, schedule, and cost objectives are achieved Perform root cause analysis of system anomalies Participate in technical reviews, design reviews, and customer technical interchange meetings

Bachelor’s degree in Engineering, Computer Science, Mathematics, Physics, or another STEM discipline 10+ years of systems engineering experience supporting complex software or hardware development programs Experience across the systems engineering lifecycle Experience in one or more of the following: Concept of Operations (ConOps) * Capability and feature development Functional analysis Interface definition and control Program Increment planning and execution Experience supporting U.S. Government programs Experience working within Agile development environments Experience serving in Agile roles or supporting Agile Systems Engineering practices

Preferred Qualifications Experience with one or more of the following is highly desirable: Space, ISR, mission management, or large-scale ground systems Jira, Confluence, Bitbucket, or similar Agile collaboration tools Model-Based Systems Engineering (MBSE) Cameo Systems Modeler Python, Bash, Perl, Groovy, or Ruby scripting Automation development and engineering productivity tooling Test automation frameworks such as Cucumber, Gherkin, or Behave IBM DOORS or other requirements management platforms Strong communication, collaboration, and technical leadership skills

Pulled from the full job description

• 401(k)
• Health insurance
• Paid time off
• Vision insurance
• Dental insurance
• Opportunities for advancement, * Relocation bonus
• Vision insurance
• 401(k)
• Dental insurance
• Health insurance
• Paid time off

Why Join LTS? Legion Technical Solutions partners with some of the nation’s most respected aerospace and defense organizations to deliver exceptional engineering talent supporting critical national security missions. When you join LTS, you’ll receive: Opportunities supporting cutting-edge space and defense technologies Competitive compensation Comprehensive benefits Career advancement opportunities A dedicated recruiting team committed to your long-term success Access to highly impactful engineering programs