Systems Engineering II, SAOC SEIT (Onsite)

Date Posted:

2026-09-28



Country:

United States of America



Location:

US-CA-EL SEGUNDO-E01 ~ 2000 E El Segundo Blvd ~ BLDG E01



Position Role Type:

Onsite



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

The ability to obtain and maintain a U.S. government issued security clearance is required.​ U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance



Security Clearance Type:

DoD Clearance: Top Secret



Security Clearance Status:

Active and existing security clearance required after day 1

At RTX, the world's 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.

At Collins Aerospace, you’ll have the opportunity to work on mission-critical communication solutions that support national defense and strategic nuclear deterrence. As a Systems Engineer II within Strategic Defense Solutions (SDS) – Survivable Airborne Operation Center (SAOC) System Engineering Integration and Test (SEIT) Team, you’ll collaborate with experienced engineers to solve complex problems, develop your technical skills, and contribute to systems that help keep our nation safe.  You’ll support the development and delivery of advanced communication solutions that address critical customer and mission needs. We’ll provide the training, tools, and mentorship you need to succeed. This is an onsite role located in El Segundo, CA and requires US Citizenship with the ability to obtain a Top Secret US security clearance.

What You Will Do: 

• Perform in a cross-functional agile team.  
• Work in close coordination with a mentor using Collins Aerospace engineering processes. 
• Creation, decomposition, and tracing requirements for communications systems on military platforms, both air and ground applications. 
• Work with a model-based systems engineering application to create logical and physical design diagrams. 
• Perform integration and testing for these communications solutions. 
• Support future bids and proposals providing new business opportunities. 

What You Will Learn:  

• You will gain technical experience, mentorship opportunities, and exposure to very influential individuals within Mission Systems that will help advance your career.  
• You will gain valuable experience in Model Based System Engineering (MBSE) and utilize the latest modeling tools and next-generation systems engineering processes.  
• You will gain invaluable experience collaborating with our systems engineering experts, security and crypto certification specialists, customer base, and engineering teams, learning exactly what it takes to deliver a security hardened product.  
• We are growing, so can you! 

Qualifications you must have:  

• Experience in systems or software engineering including capturing customer requirements, operations concept development, or deriving and tracing system and sub-system requirements. 
• Typically requires a degree in Science, Technology, Engineering or Mathematics (STEM) and minimum 2 years of prior relevant experience or an Advanced Degree in a related field.  
• The ability to obtain and maintain a U.S. government issued DoD Top-Secret SCI (TS/SCI) security clearance is required. 
• U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance. 

Qualifications we prefer:  

• Experience with Model Based Systems Engineering concepts and tools such as Magic Draw Cameo, Enterprise Architect, or similar resources using SysML. 
• Experience developing, decomposing, and deriving system/sub-system requirements. 
• Experience with Model-Based System Engineering (MBSE) concepts and tools. 
• Experience in system/sub-system design definition. 
• Experience with Agile development.

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.  ​
• And more!  

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Learn More & Apply Now!​ ​

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.

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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.  ​

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Apply now and be part of the team that’s redefining aerospace, every day.

#MISENG

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 75,800 USD - 144,200 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.

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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