Senior Systems Engineer – Secret Clearance | Riverside, CA 

Cambridge International Systems, Inc. 

Join a dynamic global team united by shared values: commitment, integrity, and perseverance. At Cambridge, you’ll work alongside top talent worldwide, tackling some of today’s most complex and critical challenges in defense and security. 

We are currently seeking a Senior Systems Engineer to support operations in Riverside, CA. This position is contingent on contract award, with an expected start date in July 2026. This is a full-time CONUS/OCONUS position requiring an active DoD Secret clearance.  

This position may be subject to the Service Contract Labor Standards Act (SCLS)/Service Contract Act (SCA). 

The base salary range for this role is $92K - $150K annually, depending on geographic location and experience. The final offer will be based on relevant experience, skills, internal equity, and market data.  

What You’ll Do