Senior Software Engineer
El Segundo, CAJob$120–160K/yrSeen todaySeen in employer's feed today
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Job overview
SAIC is seeking a Software Engineer with cryptographic software experience to join its Positioning, Navigation, and Timing Systems Engineering & Integration team in El Segundo, California. The role supports the US Space Force’s Navigation Warfare team by developing and maintaining software products, supporting GPS enterprise testing and requirements development, and collaborating with government personnel, engineers, and contractors.
Skills & qualifications
Skills
Qualifications
Full job description
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:
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Develop and modernize cryptographic software using innovative solutions
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Support GPS enterprise integrated system testing
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Support GPS enterprise requirements, capabilities, architectures, concepts, designs, and technologies development
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Software implementation of Y-code and M-code cryptographic algorithms
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Validation of National Security Agency (NSA) operational key material
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Provide guidance and technical support for Crypto Management and NAVWAR
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Collaborate with the government team, other program government leads, external organizations, and prime contractors
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Actively participate as a Subject Matter Expert in the GPS requirements process
Qualifications
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Bachelor’s Degree in Engineering, Math, Computer Science, or Science
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5+ years of overall experience
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Active Secret clearance with the ability to obtain a TS/SCI
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Demonstrated experience developing and evaluating software
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Demonstrated understanding of System Engineering practices, techniques, and procedures
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Demonstrated experience working with or for the government
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Demonstrated experience writing and delivering technical documents
Desired
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Active TS/SCI Clearance
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GPS experience
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Experience with C++20, C#, Python, SQL, and gRPC
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Experience with environments utilizing Podman, cmake, and CI/CD pipelines
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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.
REQNUMBER: 2618824
SAIC is a premier technology integrator, solving our nation's most complex modernization and systems engineering challenges across the defense, space, federal civilian, and intelligence markets. Our robust portfolio of offerings includes high-end solutions in systems engineering and integration; enterprise IT, including cloud services; cyber; software; advanced analytics and simulation; and training. We are a team of 23,000 strong driven by mission, united purpose, and inspired by opportunity. Headquartered in Reston, Virginia, SAIC has annual revenues of approximately $6.5 billion. For more information, visit saic.com. For information on the benefits SAIC offers, see Working at SAIC. EOE AA M/F/Vet/Disability
How this job compares
Set against the 42,008 open Software Engineer jobs on Olive Jobs, counted November 6, 2026.
- Pay
- This posting$120–160K/yr
- California median$165–246K/yr7,793 salary ranges
- US median$135–218K/yr33,367 salary ranges
This range's midpoint, $140K, is 32% below the California median midpoint ($205K) — in the lowest quarter of Software Engineer salary ranges in California.
- Openings
- Olive Jobs lists 9,712 open Software Engineer jobs in California and 42,008 across the US. 8% of them nationwide are listed as remote or flexible.
- Experience
- This posting asks for at least 5 years of experience; Software Engineer postings that state a minimum ask for 5 years at the median (34,212 postings).
- Education
- This posting asks for a bachelor's degree; 13,955 of the 42,008 open Software Engineer jobs (33%) ask for a bachelor's degree or higher.
Counted across the open, public US postings on Olive Jobs on November 6, 2026. Pay medians are the middle values of the low ends and of the high ends of postings that list both ends of a range in the same cadence (a yearly salary or an hourly rate); a range's midpoint is halfway between its ends. Pay and experience figures resting on fewer than 20 postings are left out.
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