Senior Principal Systems Engineer (Onsite)

Date Posted:

2026-04-28

Country:

United States of America

Location:

US-IL-ROCKFORD-P6 ~ 4747 Harrison Ave ~ 4747 HARRISON AVE-P6

Position Role Type:

Onsite

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

This job requires a U.S. Person. A U.S. Person is a lawful permanent resident as defined in 8 U.S.C. 1101(a)(20) or who is a protected individual as defined by 8 U.S.C. 1324b(a)(3). U.S. citizens, U.S. nationals, U.S. permanent residents, or individuals granted refugee or asylee status in the U.S. are considered U.S. persons. For a complete definition of “U.S. Person” go here: https://www.ecfr.gov/current/title-22/chapter-I/subchapter-M/part-120/subpart-C/section-120.62

Security Clearance Type:

None/Not Required

Security Clearance Status:

Not Required

Collins Aerospace in Rockford, Illinois is seeking a Senior Principal Systems Engineer to join its Electric Power Systems Power Distribution team. This role is ideal for a driven professional who thrives in a fast-paced, dynamic environment and is ready to take on significant responsibility.

The position involves collaborating with both local and remote team members to develop optimal system architectures that balance technical performance with lifecycle cost efficiency. The selected candidate will be responsible for defining, maintaining, documenting, and validating system requirements for secondary power distribution products.

What You Will Do

• Work in a team environment, including collaboration with remote team members, to support full lifecycle development (plan, design, verify, and certify/qualify) of electric power distribution and conversion systems, ensuring compliance with aerospace standards (e.g., ARP4754).

• Develop distribution system architectures that meet or exceed product development requirements.

• Validate product design performance, capability, and reliability in engineering test laboratories.

• Collaborate with internal systems and software teams to analyze and conduct engineering investigations on electronic products.

• Partner with internal and external teams to integrate distribution product designs into Chapter 24 aircraft electrical systems.

• Mentor junior team members in both product knowledge and engineering processes.

• Engage with customers to define requirements, solutions, implementation approaches, system impacts, and design effectiveness.

• Participate in internal design reviews.

• Contribute to discipline-wide Systems Engineering standards and procedures.

Qualifications You Must Have

• Typically requires a degree in Science, Technology, Engineering or Mathematics (STEM) and minimum 10 years prior relevant experience or an Advanced Degree in a related field and minimum 7 years of experience

• Experience in systems engineering, within aerospace or power distribution/conversion systems.

Qualifications We Prefer

• Ability to work on cross-functional teams and communicate effectively in internal and external reviews.

• Experience with structured development processes, including well-documented requirements, designs, and testing.

• Ability to work independently and within integrated product teams.

• Broad lifecycle experience from requirements through system integration and lab verification.

• Systems engineering experience across architecture, requirements, development, validation, and verification.

• Familiarity with aircraft certification standards (ARP4754, ARP4761, FAR/JAR) and electrical system architectures.

• Experience with DOORS and familiarity with RTCA, FAA, ARINC, MIL, and ISO standards.

• Background in electrical subsystems (e.g., Chapter 24, power distribution, actuation systems).

• Ability to estimate engineering tasks and lead technical efforts.

• Strong technical writing skills (white papers, trade studies, technical documents).

• Knowledge of Synergy, CM tools, Polarion, and communication protocols (ARINC 664/429/825, CAN, CAN FD, TTP).

What We Offer

Benefits

Some of our competitive benefits package includes: 

• 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

•  And more! 

Learn More & Apply Now!

We make modern flight possible for millions of travelers and our military every second.  Our major product lines are on-board virtually every aircraft flying. Be it keeping passengers safe with our emergency power generation systems or creating a positive in flight experience through reliable cabin pressure controls and quieter engines, Power & Controls focuses on delivering a best-in-class experience to our customers. We hire the top people in the industry. Their ideas drive our performance, and their integrity keeps our customers happy. Join us as we take flight!

*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 132,400 USD - 251,600 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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