Senior Principal Systems Engineer-(Onsite)

Date Posted : 2025-11-07

Country :

United States of America

Location :

FL915 : St. Petersburg - Bldg D 7401 22nd Ave N. Building D, St. Petersburg, FL, 33710 USA

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 an experienced Senior Principal System Engineer to work onsite in St. Petersburg, FL.

The Senior Principal Systems Engineer within the Systems Excellence Department contributes through all phases of the product development lifecycle (i.e. systems and software requirements, system architecture and design, software integration and test, simulation and test, integration and test, verification and sell-off), within an interdisciplinary process that ensures the customer and warfighters needs are satisfied through every stage. This commitment to excellence can sometimes include opportunities for travel, and flexible hours / shifts to ensure programmatic milestones are met.

Our team of talented engineers collaborates across disciplines from initial concepts to product sell off, integrates complex technology, debugs, and resolves interface issues, evaluates system performance, demonstrates, and sells off state-of-the-art products.

We value various skills and experience, so don’t hold back. Your qualification could add tremendous value to our team. Our customers come from all different backgrounds, and so do our employees. If you’re passionate about what you could accomplish here, we’d love to hear from you.

You will join a team of talented engineers with the responsibility of defining the requirements, design, and architecture of subsystems that comprise the Cooperative Engagement Capability (CEC) product line, located in St. Petersburg, Florida, as part of Advanced Networking Solutions (ANS). The U.S. Navy’s CEC, a real-time ‘sensor-netting’ system that brings together radar data into a single integrated air picture from geographically dispersed ships, aircraft, and ground-based units. This integrated picture improves a battlegroup’s effectiveness by enabling longer range, cooperative, or layered engagements. Today’s CEC benefits from advancements in commercial and specialized technologies, as well as from the experience and expertise of the Collins Aerospace team, continually innovating to advance capability and performance.

CEC : What You Will Do​ :

Generate test plans / procedures for assessing CEC system performance

Generate test documentation for verification / acceptance of components, subsystems, and systems

Plan IV&V activities

Execute IV&V activities for multidisciplinary teams

Execute in-house and off-site test activities for system demonstrations and / or system sell-off

Brief senior program management and engineering leadership

Test CEC hardware and software builds

Lead and support requirements and algorithm development, system level designs, and system level models using Model Based Systems Engineering (MBSE)

Lead automated test execution and data analysis using any combination of scripting tools, Python, MATLAB, and COTS products

​Qualifications You Must Have :

Experience with CEC, radar systems, tracking, signal processing techniques or Naval Systems

Experience with developing, documenting and maintaining processes, methods and tools

Experience with radar system concepts; detection, discrimination, track and signal processing algorithms and their behaviors and performance

Ability to interface with customers and lead technical solutions to complex user needs

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​

Active and transferable U.S. government issued Secret security clearance is required prior to start date.

U.S. citizenship is required as only U.S. citizens are eligible for a security clearance.​

Qualifications We Prefer​ :

Ability to develop technical solutions to complex issues

Experience working with MATLAB, C / C++, Java or DOORS

Analytic, technical and problem-solving skills

Experience with system level requirements development, documentation and maintenance and / or requirements development and design of system level software architecture

Experience with the development and coding of system models, algorithms, test vectors and analysis tools in support of analyzing radar requirements and performance

Experience and interest in Information Assurance / Cyber Engineering requirements, determination, development and implementation

Experience in using AI / ML and signal processing in database and algorithm design and enhancement

Previous military service

What We Offer​ :

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!​

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.

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

#CEC

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 124,000 USD - 250,000 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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Raytheon Technologies is An Equal Opportunity / Affirmative Action Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability or veteran status, age or any other federally protected class.