Sr. Principal Reverse Engineer

Date Posted:

2026-03-24

Country:

United States of America

Location:

US-CA-ANAHEIM-406 ~ 160 N Riverview Dr ~ BLDG 406, Ste 150

Position Role Type:

Onsite

U.S. Citizen, U.S. Person, or Immigration Status Requirements:

The ability to obtain and maintain a U.S. government issued security clearance is required.​ U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance

Security Clearance Type:

TS/SCI with Polygraph

Security Clearance Status:

Active and existing security clearance required after day 1

Raytheon Company Managed by Collins Aerospace.

This role is primarily On-Site, with flexibility at hiring manager discretion.

Applied Signal Technology (AST) is seeking a Senior Principal Reverse Systems Engineer who strives for excellence and has a passion to be part of a team that strengthens our nation and improves the security of our world.   AST provides trusted strategic and tactical SIGINT solutions that secure the interests of the U.S. and its partners.  AST’s work in areas such as high-capacity broadband communications, signal processing and analysis, tactical SIGINT, and wireless communications continually challenges our extraordinary engineers to resolve problems and make the world a safer place.  AST’s work environment is dynamic, highly collaborative and provides engineers the freedom to strengthen and expand their skills, explore new and creative ideas, and work closely with our nation’s finest service members all while embracing integrity, innovation and work-life balance.

This is an ONSITE position at our Anaheim Hills, CA location.  To find out more about AST, please click the following link - Applied Signal Technology: WHO WE ARE

What You Will Do:

• You will support multiple programs and will work with other experienced members in R&D on system development and deployments for the protection of our country

• You will generate briefings and present material to team members, customers, and AST management as necessary.

• Travel up to 25%

Qualifications You Must Have:

• Typically requires a degree in Science, Technology, Engineering or Mathematics (STEM) and a minimum of 10 years of prior relevant experience

• Ability to obtain and maintain a Top-Secret SCI (TS/SCI) U.S. government issued security clearance is required with the ability to obtain a polygraph after start. U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance

• Typically requires a minimum of 10 years of practical experience in systems architecture and systems engineering

• Experience working with customers, end users, hardware design teams, and software design teams

• Experience with reverse engineering of embedded systems

• Experience with signal processing in developing proof-of-concept (PoC) use case scenarios and prototypes

• Experience developing system level designs, high level control and data interfaces

• Strong written and verbal communication skills and the ability to work independently yet collaboratively in a team environment.

Qualifications We Prefer:

• Master of Science (MS) Degree in Electrical Engineering, Computer Engineering, Software Engineering, Computer Science, Mathematics, or Physics.

• Experience with RF, optical, and/or electrical telecommunications standards and processing techniques

• Experience with Design, Development, Integration and Test of Open Systems Architectures

• Experience in developing proof-of-concept (PoC) use case scenarios in support of creation of novel waveforms

• Experience formalizing, developing and documenting requirements, plans, and procedures based on customer discussions, briefings, interactions, and statements of work

• Understanding of telecommunications systems concepts and signal processing fundamentals

• Existing Top-Secret SCI with Polygraph (Active within the last 24 months)

What We Offer​

• Medical, dental, and vision insurance  ​

• Three weeks of vacation for newly hired employees  ​

• Generous 401(k) plan that includes employer matching funds and separate employer retirement contribution, including a Lifetime Income Strategy option  ​

• Tuition reimbursement program ​

• Student Loan Repayment Program  ​