Senior Principal Systems Engineer (Onsite)

Date Posted:

2026-01-15

Country:

United States of America

Location:

US-CA-EL SEGUNDO-E02 ~ 2002 E El Segundo Blvd ~ BLDG E02

Position Role Type:

Onsite

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

Active and transferable U.S. government issued security clearance is required prior to start date.​ U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance​

Security Clearance:

Secret - Current

Raytheon Company, Managed by Collins Aerospace

Collins Aerospace, an RTX company, is a leader in technologically advanced and intelligent solutions for the global aerospace and defense industry. Collins Aerospace has the capabilities, comprehensive portfolio, and expertise to solve customers’ toughest challenges and to meet the demands of a rapidly evolving global market.

We are seeking a Senior Principal Systems Engineer to work onsite in El Segundo, CA or Fullerton, CA. A current/active US Secret DoD security clearance is required.

The Secure Information Solutions (SIS) solves problems to protect information. We are broadly engaged across all aspects of information transmission delivering innovative solutions that span space, ground, airborne, shipboard, government, civil, and commercial customers. When you join our team, you’ll be part of a special collection of problem solvers, thought leaders, and innovators protecting our countries most sensitive information.

**THIS POSITION IS CONTINGENT UPON PROGRAM AWARD DATE IN FEB**

What You Will Do:

• SEIT Lead/Control Account Manager (CAM) and cross domain product owner team in a Agile framework on a quick paced program with support from multiple parts of the country.

• Support and lead a multidiscipline team of engineers developing programmable cryptographic modules and systems.

• Architect, design, develop, integrate, and test cryptographic modules and system.

• Create system level requirements, architectures, security designs, and certification documents.

• Work closely with a team software, firmware, and hardware engineers to ensure implementation meets the product requirements.

• Perform system engineering analyses including trade studies, use case development, requirements definition and derivation, interface definition, and requirement validation and verification.

• Support definition of operations concepts and procedure planning/ development, interfacing with personnel from other organizations.

• Lead/attend technical interchange meetings with the team members and other program personnel and represents the organization in matters pertaining to the development of their project.

• Provide the technical interface to the customer and providing System and Integration leadership to the engineering team on the program.

• Ensure the integrity of all engineering products, drawings, plans and specifications, requirements allocation products, system architecture, design analyses, and interface descriptions.

• Create required project documentation in support of contract deliverables, including development plans, requirement and design specifications, and test documents.

• Architecture, design, development, integration, and testing of embedded software for a network security appliances, including device management software, communication protocols, device drivers, and control plane. security features

• Work problems and shape solutions with customers from both a tactical and strategic perspective

• Support development projects from concept through implementation and integration

• Utilize your excellent organizational, decision making and communication skills

Qualifications You Must Have:

• Typically requires a degree in Science, Technology, Engineering or Mathematics (STEM) unless prohibited by local laws/regulations and minimum 10 years prior relevant experience or an Advanced Degree in a related field and minimum 7 years of experience.

• Ability to work effectively in multi-disciplinary teams with other team members and customers

• Knowledge in developing architectures and design of complex modules

• Efficient time management to support multiple projects concurrently

• Proficient in working with engineering, quality, and operations to oversee hardware development

• Experience with requirements management using DOORS

• Experience with presenting and interfacing with customers (internal and external)

• Experience with closure of issues, risks, and opportunities

• Active and tr