Principal Systems Engineer - Helios - Onsite

Date Posted

2026-06-23

Country

United States of America

Location

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

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 Type

DoD Clearance: Secret

Security Clearance Status

Active and existing security clearance required on day 1

Principal Systems Engineer - Helios - Onsite

Raytheon Company, Managed by Collins Aerospace

At RTX, the world largest aerospace and defense company, 185,000 great minds are united by purpose and inspired to make a difference solving the world’s most complex problems. With our three market leading businesses, world-class operations and investments in research and development, we offer capabilities and opportunity no one else can. Together, we push the boundaries of known science and find new ways to connect and protect our world.

Collins Aerospace is a leader in technologically advanced, intelligent solutions that help redefine the aerospace and defense industry. With a comprehensive portfolio and deep technical expertise, we help customers meet the demands of the global market. Join us and help shape the future of aerospace and defense.

Role Description

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. You will be a member of a multi-disciplinary group of System, Hardware and Software Engineers. We are a growing business developing new products in an aggressive and competitive market. The new designs are exciting and technically challenging.

The Strategic Defense Solutions (SDS) team is hiring a Principal Systems Engineer to support programs for our US military and various international customers, keeping the world safe from foreign threats. SDS supports multiple Collins contracts and is seeking to fill roles across several open contracts – our goal is to align each new hire with a position that best suits their skills and allows for career growth. In this role, you will play a critical part in the design, development, and integration of products, from concept to production. You will collaborate closely with hardware and software engineers to ensure seamless system performance and deliver innovative solutions that meet customer needs.

This position requires: US Government Department of Defense (DoD) Secret Security Clearance Day 1 .

Onsite: This is an onsite role supporting our Largo, FL location.

Sign-on Bonus Eligible

What YOU will do

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Help define the integration and test environment (both manual and automated testing) for a hardware and software integrated system

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Manage, develop, and execute automated test plan for a hardware and software integrated system to include system-level testing, validation, and troubleshooting to ensure reliability and functionality

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Collaborate with cross-functional team members (hardware and software engineers) to ensure system compatibility and performance

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Decompose interface requirements and architecture to support integration and test activities

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Participate in brainstorming sessions and contribute innovative ideas to enhance product performance and features

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Maintain clear communication with team members and stakeholders to align on project milestones and deliverables

Qualifications You Must Have

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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 or in absence of a degree, 12 years of relevant experience

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Active and transferable U.S. Government DoD Secret Security Clearance is required prior to start date.

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

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Experience with DoD systems engineering processes, Technical Reviews and Audits, and MIL-STD compliance.

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Demonstrated ability to create verification plans, conduct test procedures, and manage requirement traceability matrices (e.g., in IBM DOORS, Cameo) to ensure system compliance.

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Proven experience in designing, conducting, and documenting IV&V activities, including hardware-in-the-loop (HITL), software testing, and performance evaluation.

Qualifications We Prefer

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Experience with voice communication systems, including VoIP (Voice over IP) protocols like SIP, RTP and SRTP

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Knowledge of configuration management practices to manage system changes, revisions, and baselines throughout the development lifecycle.

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Ability to write comprehensive test reports, discrepancy reports (DRs), and system evaluation reports for customer review.

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Hands-on experience with industry-standard integration and testing tools such as MATLAB, Python, Robot Framework, Selenium WebDriver, Ansible, DOORS, Cameo, or JIRA/Confluence.

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Developing and executing requirements verification model in Cameo tool suite.

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Experience developing and managing requirements and MBSE model development using UAF.

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Knowledge of military specifications (e.g., MIL-STD-810, MIL-STD-461) for designing rugged and reliable systems.

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Proficiency in system design tools (e.g., MATLAB, Simulink, or equivalent)

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.

What We Offer

Some of our competitive benefits package includes

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Medical, dental, and vision insurance

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Three weeks of vacation for newly hired employees

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Generous 401(k) plan that includes employer matching funds and separate employer retirement contribution, including a Lifetime Income Strategy option

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Tuition reimbursement program

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Student Loan Repayment Program

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Life insurance and disability coverage

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Optional coverages you can buy pet insurance, home and auto insurance, additional life and accident insurance, critical illness insurance, group legal, ID theft protection

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Birth, adoption, parental leave benefits

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Ovia Health, fertility, and family planning

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Adoption Assistance

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Autism Benefit

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Employee Assistance Plan, including up to 10 free counseling sessions

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Healthy You Incentives, wellness rewards program

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Doctor on Demand, virtual doctor visits

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Bright Horizons, child and elder care services

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Teladoc Medical Experts, second opinion program

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Eligible for relocation assistance

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And more!

Learn More & Apply Now!

*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.

Relocation: Assistance may be provided

Employee Referral Eligible

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 107,500 USD - 204,500 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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