Sr Software Engineer (Onsite)

Date Posted:

2026-10-01

 Country:

United States of America

 Location:

US-MD-FULTON-8170 ~ 8170 Maple Lawn Blvd ~ MAPLE LAWN, Ste 190, 200 & 300

 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: Secret

 Security Clearance Status: Active and existing security clearance required after day 1 Solipsys, managed by Collins Aerospace 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.
• Solipsys is a wholly owned subsidiary of Collins Aerospace/RTX and is currently seeking a Sr Software Engineer who is enthusiastic, hardworking, and proactive in writing and developing code using programming languages and related technologies such as Java, C++, Angular, GraphQL, REST, KafKa, and Typescript (among many others).
• The successful candidate will work in an exciting environment, directly contributing to the development of new software capabilities and products.
• Solipsys is an industry leader in the development of command and control software systems and operates in a dynamic, complex, fast-paced business environment with both commercial and Government customers, including a mix of domestic and international pursuits and programs.
• This is an onsite position in Fulton, MD, relocation is provided.

What You Will Do

• Design, architect and code critical capabilities in an active Agile environment.
• Develop innovative new features for a new real-time situational awareness Command & Control (C2) systems.
• Work in a highly collaborate team environment to design, architect and innovate software solutions.
• Engage & build positive relationships with both customers as well as internal & external employees.
• Travel to customer sites for demos, integration and support.

Qualifications

You Must Have

• Relevant work experience in software development using object oriented programming languages such as Java or C++.
• Strong computer science fundamentals such as data structures, algorithms, distributed systems, information retrieval. Relevant work experience with full life cycle development including exposure to software requirements, design, development, debug and test.
• Typically requires a degree in Science, Technology, Engineering or Mathematics (STEM) and minimum 5 years prior relevant experience or an Advanced Degree in a related field and minimum 3 years of experience
• 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

Qualifications We Prefer

• Direct hands on individual experience with GraphQL, REST, Kafka, RabbitMQ, Redis, Postgresql, Docker, Kubernetes, Angular, Typescript, HTML/CSS, among many other programming languages and related technologies.
• Relevant work experience in software development using object oriented paradigms and multithreaded systems.
• Experience with Container Orchestration implementation such as Docker, Kubernetes, OpenShift

What We Offer :

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.

WE ARE REDEFINING AEROSPACE.

*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.

Regardless of your role type, collaboration and innovation are critical to our business and all employees will have access to digital tools so they can work with colleagues around the world – and access to Collins sites when their work requires in-person meetings.

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!

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 95,500 USD - 181,700 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 depend