Senior Software Engineer (Onsite)

Date Posted:

2026-05-04

Country:

United States of America

Location:

US-FL-LARGO-382SR ~ 7887 Bryan Dairy Rd ~ BLDG 600

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

Raytheon Company Managed by Collins Aerospace

Collins Aerospace, an RTX company, is a leader in engineering and proposal teams to successfully execute programs and prepare responsive proposals aimed at making the world a safer place. Come support those who provide us with all the freedoms we enjoy. Our commitment to providing an environment that supports innovation, teamwork, and growth opportunities are primary reasons engineers come to work at RTX.

The Protected Communication Systems (PCS) Software Engineering Department has an opportunity for a talented Senior Software Engineer to join our team. This is an onsite role, based out of Largo, FL.

What You Will Do:

• Participate on collaborative, cross-disciplined integrated product teams, often employing agile software development techniques. 
• Responsibilities span the full lifecycle of product development, from architecture and design, through integration, test, and field support.
• You will work and learn in an engineering organization with the highest software engineering process maturity level as recognized by the Software Engineering Institute.

Qualifications You Must Have:

• Experience in Software Engineering including working various phases of the software development lifecycle using C/C++, JAVA, JavaScript HTML5, and/or CSS
• Experienced with full-stack development (GUI, back-end services, middleware)
• Familiarity with developing applications using communication protocols (e.g. TCP/IP, UDP, HTTP, HTTPS, RTP, SIP), working knowledge of Windows, Linux, VxWorks or other Real time operating systems
• 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
• Active and transferable Secret U.S. government issued security clearance is required prior to start date

Qualifications We Prefer:

• Experience with scripting languages such as Python
• Experience with DevOps, Jenkins and automated testing
• Exposure to Model Driven Development
• Experience with real-time operating systems (RTOS), embedded programming, processor/board architecture and design
• Understanding of standard system engineering design artifacts such as Use Cases and SysML diagrams

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
• Eligible for relocation
• And more! 

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 the