Principal Integration Engineer

SAIC; El Segundo (CA); Hybrid; USD 160,000 - 200,000; Full time

Job summary

SAIC seeks a Principal Systems and Integration Engineer (SE&I) for the PNT SE&I Team in El Segundo, CA. The role focuses on GPS system design, integration, and performance analysis across space, ground, and user segments to support US Space Force programs.

Responsibilities include coordinating cross-domain requirements, developing data models, and supporting tests to drive mission success. On-site with potential for remote work, the candidate should hold an active Secret Clearance and extensive

Qualifications

• Bachelor’s degree in engineering, mathematics, physics or equivalent.
• 14+ years of experience; Master’s degree 12+ years; PhD/JD 9+ years.
• Active Secret Clearance.
• Experience coordinating across space, ground and user segments.

Responsibilities

• Provide systems integration support to ensure optimal GPS system design.
• Coordinate across programs to sync requirements and performance parameters.
• Develop data models and enable automated integration analyses.
• Support test activities and characterize system performance.
• Perform data analyses to inform government program decisions.
• Support GPS Enterprise Risk & Opportunities management.

Skills

Systems integration

Architecture development

Data analysis

Technical communication

Interpersonal skills

Collaborative teamwork

Test & verification support

Education

Bachelor’s degree in engineering, mathematics, or physics

Master’s degree in a related field (optional)

PhD or JD with relevant experience (optional)

Job description

Minimum Clearance Required Secret

Job ID 2615367

Location El Segundo, CA, US

Date Posted 2026-08-06

Category Engineering and Sciences

Subcategory Systems Engineer

Schedule Full-Time

Shift Day Job

Travel No

Clearance Level Must Be Able to Obtain None

Potential for Remote Work ORA_ON_SITE

Description

SAIC is seeking a Principal Systems and Integration Engineer (SE&I) with experience in space, ground, and user system design and integration to join the Positioning, Navigation, and Timing (PNT) Systems Engineering & Integration (SE&I) Team onsite in El Segundo, California. PNT SE&I provides engineering, integration, technical analysis, and subject matter expertise (SME) support to the US Space Force. The SE&I Space Team provides engineering, technical analysis and subject matter expertise (SME) for the Global Positioning System (GPS) supporting the Space Systems Command (SSC). As a member of our PNT SE&I Team, you’ll work in a fast-paced environment with Government personnel and systems engineers. Major duties of this position include

Responsibilities

• Provide technical expertise and systems integration support to ensure an optimal integrated GPS System design.
• Contribute to the overarching approach and processes for integrating, synchronizing, tracking and analyzing dependencies across programmatic and organizational boundaries.
• Develop engineering and data models and populate them with up-to-date information to enable automated integration analyses.
• Provide technical support for test activities that characterize system performance.
• Perform and present data analysis that drive decisions on government programs.
• Support GPS Enterprise Risk & Opportunities management.

Qualifications

Required Qualifications

• Bachelor’s degree in engineering, mathematics, physics or equivalent technical discipline and fourteen (14) years or more experience; Master’s degree and twelve (12) years of experience; PhD of JD and nine (9) years or more experience.
• Active Secret Clearance.
• Experience working across space, ground, and user segment organizations to coordinate and identify system requirements and key performance parameters to ensure end-to-end mission performance requirements are met.
• Experience with system architecture development.
• Strong interpersonal skills to enable working, interfacing, and interrelating with diverse personnel and dynamic teams.
• Excellent analytical and organizational skills, specifically attention to detail.
• Strong written and verbal communication skills.
• Must be able to work well in multi-team setting, and willing to take on additional technical and administrative tasks/duties as needed.

Desired Qualifications

• Active TS/SCI Security Clearance.
• Space vehicle as well as other GPS related experience.
• Experience and familiarity working with DoD acquisition organizations.

Target salary range $160,001 - $200,000. The estimate displayed represents the typical salary range for this position based on experience and other factors.