Principal Systems Engineer - (ONSITE)

Location

US-FL-LARGO-382SS ~ 7887 Bryan Dairy Rd. ~ BLDG 100

Date Posted

2026-03-27

Country

United States of America

Position Type

Onsite

Security Clearance Requirement

Active Secret clearance required with the ability to obtain Top Secret.

Company

At RTX, the world's largest aerospace and defense company, 185,000 great minds are united by purpose and inspired to make a difference. Collins Aerospace is a leader in technologically advanced, intelligent solutions that help redefine the aerospace and defense industry.

Position Title

Principal Systems Engineer

What You Will Do

• Organize and lead the development of full lifecycle solutions from CONOPS to Validation while collaborating with the customer, subcontractors, and executive leadership.
• Guide the development of new technologies to support business capture.
• Identify technology gaps in existing systems and solutions.
• Own the preparation, cost, and schedule of Design Reviews as well as Development, Integration, Dry Run, and Formal Qualification Testing.
• Influence decision-makers with recommended courses of action across complex problems.
• Review and document major changes in systems or processes to solve complex problems.

Qualifications You Must Have

• Ability to lead multidisciplinary teams of design professionals including Electrical, Mechanical, Software, Test, Logistics and other System Engineers.
• Experience in at least three of the following areas: Systems Engineering, Test Engineering, Software Engineering, Mechanical Engineering, Electrical Engineering.
• Experience across the Systems Engineering V with an emphasis on development, integration, and test.
• Experience working with Secure Voice and VTC Communication Systems.
• Typically requires a degree in Science, Technology, Engineering or Mathematics (STEM) and minimum 8 years prior relevant experience or an Advanced Degree in a related field and minimum 5 years of experience.
• Active and transferable U.S. government issued Secret security clearance required prior to start date. Must have the ability to obtain Top Secret.
• U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance.

Qualifications We Prefer

• Familiarity with embedded systems, microcontrollers, and communication protocols (e.g., I2C, SPI, UART).
• Experience with voice communication systems, including VoIP (Voice over IP) protocols like SIP, RTP and SRTP.
• Familiarity with multicast networking (e.g., IGMP, PIM) for efficient data transmission in communication systems.
• Strong understanding of networking principles, including TCP/IP, UDP, and network troubleshooting tools (e.g., Wireshark).
• Basic understanding of firmware development (VHDL) and/or software development (C/C++, Python).
• Knowledge of military specifications (e.g., MIL-STD-810, MIL-STD-461) for designing rugged and reliable systems.
• Proficiency in system design tools (e.g., MATLAB, Simulink, or equivalent).
• Experience leading discussions with customers and vendors/subcontractors.
• A current active Top‑Secret Clearance.

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 including pet, home, auto, additional life, accident, 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 available

Learn More & Apply Now!

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.

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, 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.

Privacy Policy and Terms: Click on this link to read the Policy and Terms.