Senior Software Engineer (Onsite)

Date Posted: 2026-05-28 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: Ability to obtain INTERIM U.S. government issued security clearance is required prior to start date. Raytheon Company Managed by Collins Aerospace 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. The BMC2 Capabilities engineering organization is seeking a Software Engineer II to join our software development team located onsite in St. Petersburg, FL. Our teams develop software in a variety of languages, primarily C++. Candidates can expect to work on many—if not all—of the phases of the software development life cycle. In this position, you will be responsible for providing practical solutions to difficult technical software problems. Software Engineering positions include working on a variety of different tasks including real-time software development, application software development, test and verification, data analysis, software tools development, and many others. Teams are organized using Agile scrum methodology. Sign-on Bonus Eligible What You Will Do Participate in the requirements, design, development and testing of embedded software, including application, middleware, operating system and supporting tools, to include development of new work products or enhancement of existing applications and systems. Design, code, test, integrate, and document software solutions. Participate in internal review of software components and systems. Develop and maintain automated testing frameworks to validate software functionality, performance, and security across embedded targets and simulated environments. Design, build, and maintain complex CI/CD pipelines using tools like Jenkins, GitLab CI or GitHub Actions. Operate in a collaborative, SAFe agile environment. Qualifications You Must Have Knowledge of data structures and algorithms, systems software design, operating systems, architectures, software development life cycle and processes. Experience with C++, Python and Object-oriented software design. Hands‑on experience developing automated tests for embedded or software systems, such as unit, integration, or system‑level testing. Active and transferable Interim Secret U.S. government issued security clearance is required prior to start date. 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. Qualifications We Prefer Experience developing software in a team‑based development environment, preferably Agile/SCRUM, DevSecOps and test automation. Hands‑on experience with containerization and orchestration (e.g. Docker, Kubernetes). Experience with Conan package manager for C++. Experience working with large, complex software systems and refactoring legacy code. Experience writing software for and debugging issues in real‑time multithreaded software applications. 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 And more! Learn More & Apply Now! Employee Referral Eligible We invite qualified candidates to apply. This is an Onsite role: 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. Apply now and be part of the team that’s redefining aerospace, every day. 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. #J-18808-Ljbffr