Job Description

Leidos currently has an opening for a Senior Systems Engineer in Huntsville supporting our Defense Sector. You will apply system engineering skills across a breadth of programs including sensor system programs spanning the RF Spectrum for implementing Hardware In the Loop (HWIL) to Over The Air (OTA) emissions.

If this sounds like the kind of environment where you can thrive, keep reading!

You will work closely with our Program Managers, Technical Leads, Systems Engineers (including Integration and Test), Software Engineers, and as well as Government counterparts to perform and manage the full spectrum of systems engineering tasks to include employing Model Based Systems Engineering (MBSE), requirements analysis, system and interface design, system integration, system testing, and all associated documentation.

The Challenge:

• Responsible for managing and employing SE standard methods, SE processes and tools to accomplish requirements analysis, problem diagnosis and solution design, integration and test preparation, risk assessment and mitigation planning, and related activities
• Interface with government personnel to identify required activities, perform collaborative planning, review deliverables, and resolve SE issues
• Work closely with the chief engineer, electrical, optical, mechanical, thermal and test engineers on the following key tasks
• Execution of engineering activities requirements analysis, implementation planning, third party coordination, integration and test, documentation, deployment, and system assessment
• Employ MBSE approach for systems planning, design, execution, and operations
• Define processes for technical platforms, system specifications, interfaces and working parameters for hardware and/or software compatibility
• Develop and maintain systems engineering documentation and diagrams/models through use of MBSE tool
• Create meaningful entry/exit criteria for all technical reviews, and advocate for appropriate review artifacts, activities, documentation and stakeholder participation
• Monitor & report technical variances; facilitate resolution of technical issues and risks that adversely impact successful product delivery
• Identify and manage external dependencies

Position Requirements:

• Bachelor's degree in engineering, systems engineering, computer science, or related technical field with at least 8-12 years of experience in systems engineering or Master's degree with 6+ years of relevant experience.
• Experience with employing MBSE approach and tools (NoMagic, Rational, or similar)
• Demonstrable knowledge of systems engineering concepts and applying these concepts to government systems engineer protocols and procedures (SRR, CDR, PDR, etc.)
• Strong written and verbal communication skills to collaborate with customer representatives, domain experts, and other systems engineers in the development of complex software systems
• Demonstrated ability to participate in cross-functional planning, coordination, and task execution situations involving the full spectrum of system integration activities
• Ability to express complex technical concepts effectively, both verbally and in writing
• Active DoD Top Secret security clearance to be considered; U.S. Citizenship is required.
• Must be willing and able to work onsite in Huntsville Alabama

You’ll really WOW us having one or more of the following:

• Displayed ability in the modeling, design, assembly, integration, and test of complex systems (commercial or government) who can handle the challenging development environments.
• Communication skills (oral and written) to advise, counsel, and/or guide people on complex technical matters.
• Creative problem solver and demonstrate a broad ranging technical management and team development experience.
• Familiarity with RF and RADAR systems is a plus.

Experience with the following tool suites is a plus:

• Matlab/Simulink
• Cameo Systems Modeler
• Ability to obtain and maintain a Top Secret SCI Poly clearance
• Master’s degree in systems engineering

If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo — because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 — and moving faster than anyone else dares.

Original Posting:

August 11, 2026

Pay Range:

Pay Range $107,900.00 - $195,050.00

The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.