Principal Systems Engineer

Systems Innovation Engineering

2h

About The Position

The Principal Systems Engineer serves as the technical authority for complex systems development efforts, providing end-to-end systems engineering leadership across requirements development, design, integration, verification, and delivery. This role is responsible for driving technical excellence, overseeing subcontractor performance, mentoring engineering teams, and supporting business development activities through proposal and customer engagement.

Requirements

• Bachelor’s degree in Systems Engineering, Electrical Engineering, Mechanical Engineering, Computer Engineering, or a related technical field (Master’s preferred).
• 10+ years of experience in systems engineering across complex, multidisciplinary systems.
• Demonstrated ability to lead technical teams and influence across organizational boundaries.
• Experience managing requirements, interfaces, and technical baselines throughout the system lifecycle.
• Strong written and verbal communication skills, including experience with customer and executive-level briefings.

Nice To Haves

• Active or ability to obtain a security clearance (if applicable).
• Experience with subcontractor technical management.
• Familiarity with Model-Based Systems Engineering (MBSE) and modern SE tools.
• Experience in defense, aerospace, or other highly regulated technical environments.

Responsibilities

• Lead the development, decomposition, and management of system, subsystem, and interface requirements in alignment with customer needs and program objectives.
• Collaborate with the engineering team to ensure requirements are traceable, verifiable, and aligned with mission performance.
• Participate in subsystem architecture trades to balance performance, cost, schedule, and risk.
• Review and approve technical approaches to ensure designs meet requirements and integrate cleanly at the system level.
• Provide technical oversight and direction to subcontractors and suppliers delivering hardware, software, and system elements.
• Review subcontractor designs, analyses, test plans, and test results for compliance with requirements and interfaces.
• Review and approve subcontractor technical artifacts, including requirements, designs, test plans, and deliverables.
• Serve as a technical interface between subcontractors, internal engineering teams, and government stakeholders.
• Actively participate in technical reviews, ensuring technical rigor and risk mitigation with subcontractors and customers.
• Mentor and develop junior and mid-level engineers, fostering strong systems engineering practices and technical growth.
• Promote consistency in systems engineering processes, tools, and best practices across programs.
• Foster a culture of continuous learning, technical curiosity, and accountability.
• Support proposal and capture efforts by contributing technical approaches, requirements understanding, and engineering cost estimates.
• Write technical content including white papers, technical sections of proposals, status reports, and internal documentation.
• Deliver effective internal and external technical briefings.
• Engage with customers and partners to understand technical needs and communicate SIE’s engineering capabilities.

Benefits

• Paid Time Off
• Paid Company Holidays
• Medical, Dental & Vision Insurance
• Optional HSA and FSA
• Base and Voluntary Life Insurance
• Short Term & Long-Term Disability Insurance
• 401k Matching
• Employee Assistance Program

What This Job Offers

• Job Type: Full-time
• Career Level: Principal