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.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 transferable U.S. government issued DoD Secret (or higher) security clearance is required prior to start date

Qualifications We Prefer:

• Current or prior experience in cryptographic products and designs and certification processes
• Cyber security knowledge including Risk Management Framework
• Knowledgeable with the NSA crypto certification process
• First-hand experience in the development of embedded systems
• Technical depth working with field-programmable gate arrays, analog and digital circuits, and microprocessors.
• Crypto Algorithm experience
• Experience in implementing cryptographic certifications.

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
• Life insurance and disability coverage
• Optional coverages you can buy pet insurance, home and auto insurance, additional life and accident insurance, critical illness insurance, group legal, ID theft protection
• Birth, adoption, parental leave benefits
• Ovia Health, fertility, and family planning
• Adoption Assistance
• Autism Benefit
• Employee Assistance Plan, including up to 10 free counseling sessions
• Healthy You Incentives, wellness rewards program
• Doctor on Demand, virtual doctor visits
• Bright Horizons, child and elder care services
• Teladoc Medical Experts, second opinion program
• Relocation assistance may be provided
• And more!

Learn More & Apply Now!

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. With 68,000 employees across 46 countries around the world, we offer an extensive flight list of opportunities to explore the depth of our organization. Join us and help build a more advanced, more autonomous, more connected, more electric and more sustainable future!

Do you want to be a part of something bigger? A team whose impact stretches across the world, and even beyond? At Collins Aerospace, our Mission Systems team helps civilian, military and government customers complete their most complex missions - whatever and wherever they may be. Our customers depend on us for intelligent and secure communications, missionized systems for specialized aircraft and spacecraft and collaborative space solutions. By joining our team, you'll have your own critical part to play in ensuring our customer succeeds today while anticipating their needs for tomorrow. Are you up for the challenge? Join our mission today.

*Please ensure the role type (defined below) is appropriate for your needs before applying to this role.

ONSITE: Employees who are working in Onsite roles will work primarily onsite. This includes all production and maintenance employees, as they are essential to the development of our products.

At Collins, the paths we pave together lead to limitless possibility. And the bonds we form - with our customers and with each other -- propel us all higher, again and again.

Apply now and be part of the team that's redefining aerospace, every day.

As part of our commitment to maintaining a secure hiring process, candidates may be asked to attend select steps of the interview process in-person at one of our office locations, regardless of whether the role is designated as on-site, hybrid or remote.

The salary range for this role is 145,600 USD - 276,800 USD. The salary range provided is a good faith estimate representative of all experience levels. RTX considers several factors when extending an offer, including but not limited to, the role, function and associated responsibilities, a candidate's work experience, location, education/training, and key skills.

Hired applicants may be eligible for benefits, including but not limited to, medical, dental, vision, life insurance, short-term disability, long-term disability, 401(k) match, flexible spending accounts, flexible work schedules, employee assistance program, Employee Scholar Program, parental leave, paid time off, and holidays. Specific benefits are dependent upon the specific business unit as well as whether or not the position is covered by a collective-bargaining agreement.

Hired applicants may be eligible for annual short-term and/or long-term incentive compensation programs depending on the level of the position and whether or not it is covered by a collective-bargaining agreement. Payments under these annual programs are not guaranteed and are dependent upon a variety of factors including, but not limited to, individual performance, business unit performance, and/or the company's performance.

This role is a U.S.-based role. If the successful candidate resides in a U.S. territory, the appropriate pay structure and benefits will apply.

RTX anticipates the application window closing approximately 40 days from the date the notice was posted. However, factors such as candidate flow and business necessity may require RTX to shorten or extend the application window.

RTX is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability or veteran status, or any other applicable state or federal protected class. RTX provides affirmative action in employment for qualified Individuals with a Disability and Protected Veterans in compliance with Section 503 of the Rehabilitation Act and the Vietnam Era Veterans' Readjustment Assistance Act.

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