Senior Software Engineer

Job ID: 2618824
Location: El Segundo, CA, US
Date Posted: 2026-11-05
Category: Software
Subcategory: SW Engineer
Schedule: Full-Time
Shift: Day Job
Travel: Yes - 10% of the time
Minimum Clearance Required: Secret
Clearance Level Must Be Able to Obtain: TS/SCI
Potential for Remote Work: ORA_HYBRID
Description
SAIC is seeking a Software Engineer with experience in cryptographic software to join the Positioning, Navigation, and Timing (PNT) Systems Engineering & Integration (SE&I) Team in El Segundo, California.
PNT SE&I provides engineering, integration, technical analysis, and subject matter expertise (SME) support to the US Space Force. As a member of our PNT SE&I Team, you'll work in a fast-paced environment with Government personnel and systems engineers to develop and maintain software products for the Navigation Warfare (NAVWAR) team. This includes the management of software products and collaboration with both customers and other contributing engineers.
Major duties of this position include:

• Develop and modernize cryptographic software using innovative solutions
• Support GPS enterprise integrated system testing
• Support GPS enterprise requirements, capabilities, architectures, concepts, designs, and technologies development
• Software implementation of Y-code and M-code cryptographic algorithms
• Validation of National Security Agency (NSA) operational key material
• Provide guidance and technical support for Crypto Management and NAVWAR
• Collaborate with the government team, other program government leads, external organizations, and prime contractors
• Actively participate as a Subject Matter Expert in the GPS requirements process

Qualifications

• Bachelor's Degree in Engineering, Math, Computer Science, or Science
• 5+ years of overall experience
• Active Secret clearance with the ability to obtain a TS/SCI
• Demonstrated experience developing and evaluating software
• Demonstrated understanding of System Engineering practices, techniques, and procedures
• Demonstrated experience working with or for the government
• Demonstrated experience writing and delivering technical documents

Desired

• Active TS/SCI Clearance
• GPS experience
• Experience with C++20, C#, Python, SQL, and gRPC
• Experience with environments utilizing Podman, cmake, and CI/CD pipelines
• Experience and familiarity working with DoD acquisition organizations

Target salary range: $120,001 - $160,000. The estimate displayed represents the typical salary range for this position based on experience and other factors.
SAIC is a premier technology integrator providing full life cycle services and solutions in the technical, engineering, intelligence, and enterprise information technology markets. SAIC is Redefining Ingenuity through its deep customer and domain knowledge to enable the delivery of systems engineering and integration offerings for large, complex projects. SAIC's approximately 15,000 employees are driven by integrity and mission focus to serve customers in the U.S. federal government. Headquartered in Reston, Virginia, SAIC has annual revenues of approximately $4.5 billion. For more information, visit saic.com. For information on the benefits SAIC offers, see .