Raytheon Technologies

Senior Systems Engineer (onsite)

Raytheon Technologies$86K — $165K *
Aerospace & Defense
Less than 5 years of experience
Job Overview by Ladders

Qualifications

  • 5-7 years of experience in system lifecycle processes including requirements, design, and validation.
  • Proven hands-on experience in software operation and troubleshooting on military systems.
  • Familiar with Agile methodologies for project management and backlog tracking.
  • Skilled in using DOORS or similar requirement management tools.
  • Experience with MBSE tools like Rhapsody or MagicDraw.
  • Strong analytical skills for interpreting data and tracking performance metrics.
  • Bachelor's degree in STEM or related field, or an advanced degree with less experience.

Responsibilities

  • Lead requirements development and system architecture using MBSE principles.
  • Develop testable requirements and ensure traceability throughout the engineering lifecycle.
  • Perform detailed design analysis to align with customer needs and system performance.
  • Conduct integration and testing activities for hardware/software components.
  • Create robust verification plans utilizing automation tools like Python and MATLAB.
  • Support design trade-offs and risk mitigation using modeling tools.
  • Drive innovative problem-solving methods incorporating Agile and DevSecOps practices.

Benefits

  • Medical, dental, and vision insurance
  • Three weeks of vacation for new employees
  • 401(k) with employer matching and contributions
  • Tuition reimbursement
  • Student loan repayment assistance
  • Life insurance and disability coverage
  • Employee wellness and family services programs.
Full Job Description
Date Posted:
2026-07-20
Country:
United States of America
Location:
US-FL-ST PETERSBURG-381BD ~ 7401 22nd Ave N ~ BLDG D
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:
Secret - Current
Security Clearance Status:
Active and existing security clearance required on day 1

We are seeking an experienced Senior System Engineer to work onsite in St. Petersburg, FL. This position requires an active US Secret Security clearance.

The Senior 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 different 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.

Sign-on Bonus Eligible

This position is located onsite in St. Petersburg, FL and requires an active US Secret security clearance.

What You Will Do:

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.
  • Lead and support requirements development, system-level designs, and system-level models using Model-Based Systems Engineering (MBSE) principles.
  • Develop and manage testable requirements and associated verification approaches, ensuring traceability through the entire engineering lifecycle.
  • Perform system architecture development, subsystem design, and detailed component/system analysis to ensure alignment with customer needs and technical performance.
  • Execute integration and test activities in-house or at site locations, including hardware/software integration, troubleshooting, and operational testing.
  • Develop and execute robust verification and validation plans, including automated test execution and data analysis using tools like Python, MATLAB, and other scripting languages.
  • Apply systems and software modeling and simulation tools to support design trade-offs, performance analysis, and risk mitigation.
  • Utilize DOORS to manage the complete life cycle of requirements, including Engineering Change Proposals (ECPs), Change Notices (CNs), and traceability to tests and verification results.
  • Attend and contribute to internal and external Configuration Control Boards (CCBs) to ensure effective configuration management.
  • Collaborate with Program and Customer Leadership, as well as cross-functional teams, to define and achieve program objectives.
  • Drive innovative approaches to problem-solving, including the use of DevSecOps pipelines, Agile methodologies, and model-based approaches for design and test.


Qualifications You Must Have:
  • Proven experience in the full system lifecycle, including requirements development, system design, integration, verification, and validation.
  • Hands-on experience in the operation, test, and troubleshooting of software on target hardware and/or complex military systems.
  • Experience with Agile development, including project estimating, reporting, and backlog management.
  • Proficiency in using requirements management tools, such as DOORS, for linking requirements to design, test, and verification artifacts.
  • Experience with MBSE tools such as Rhapsody, Cameo, or MagicDraw for system modeling and simulation.
  • Strong data analysis skills, including interpretation of results, identification of corrective actions, and monitoring of Key Performance Indicators (KPIs) or Technical Performance Measures (TPMs).
  • Typically requires a Bachelor's degree in Science, Technology, Engineering, or Mathematics (STEM) and a minimum of 5 years of relevant experience, or an Advanced Degree in a related field with a minimum of 3 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:
  • Experience in the operation, integration, and troubleshooting of naval systems or other complex defense systems.
  • Demonstrated ability to develop and execute integration, verification, and validation planning documentation, including test plans, procedures, and reports.
  • Proficiency in programming (e.g., C/C++, Python) and familiarity with Linux operating systems, DevSecOps pipelines, and Test-Driven Development (TDD) or Behavior-Driven Development (BDD) methodologies.
  • Experience with automated test scripting and automated data analysis to streamline verification and validation processes.


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!

Mission Systems:

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 consider the following role type definitions as you apply for 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.

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 86,800 USD - 165,200 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.

About Raytheon Technologies

Raytheon Solipsys, a wholly-owned subsidiary of the Raytheon Company, is an industry leader in the development of integrated Command and Control (C2) Network-Centric solutions for the Domestic and International DoD and Homeland Security. Through proven systems and software engineering practices, built on the invention and application of innovative technologies, they deliver the C2 infrastructure necessary to effectively control security/military forces in any environment. Their reliable solutions assure information superiority, increased shared awareness, deep sensor reach, aircraft control, air defense, disaster management, and time-critical decision making.

Raytheon Technologies Careers

Join the innovative world of Raytheon Technologies, a leader in aerospace and defense, where we offer unparalleled job opportunities in an environment that champions diversity, leadership, and professional growth.

Work You’ll Do

At Raytheon Technologies, you’ll be part of a company that values innovation and leadership. Our team is dedicated to solving some of the most complex challenges in aerospace and defense, making significant impacts worldwide. With a culture that fosters diversity and inclusion, you will collaborate with some of the brightest minds in the industry.

Transform Your Career

Step into a role that harnesses your skills and propels your career to new heights. Raytheon Technologies is not just about thinking big but making those big ideas happen. We provide robust career development opportunities that include comprehensive training and development programs, leadership workshops, and continuous learning through our internal platforms.

Innovate and Lead

Join our team of over 60,000 professionals globally, who are not only experts in their fields but are also driven by a passion for innovation and excellence. At Raytheon Technologies, you are positioned at the forefront of the industry, where your work directly contributes to groundbreaking advancements in technology and defense.

Internship and Employment Opportunities

Whether you’re starting your career or looking to advance, Raytheon Technologies offers a range of employment and internship opportunities that can help you achieve your professional goals. Our internships provide a solid foundation of skills and experiences, while our full-time positions offer a path to personal and professional growth within the company.

Benefits and Culture

Our employees enjoy a competitive package of benefits and rewards that reflect their invaluable role in our company. From health and wellness programs to performance bonuses and flexible working conditions, we ensure our team members are well taken care of.

Networking and Professional Development

At Raytheon Technologies, networking and professional development are part of our DNA. We encourage our employees to engage in internal and external networking events, leadership training, and diversity initiatives that enhance their career journey.

Join Our Team

Explore the numerous positions available that match your skills and interests. We are looking for passionate, curious, and solution-driven team players who are ready to take their career to the next level.

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Prepare for Your Future

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SEARCH RAYTHEON TECHNOLOGIES JOBS

Join us in our mission to create a safer future and be a part of a team that values integrity, excellence, and teamwork. At Raytheon Technologies, your career is just the beginning of a lifelong journey of professional and personal growth.
Learn more about Raytheon Technologies
Size
14,771 employees
Market Cap
$32,494
Industry
Founded
1922
NASDAQ

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