Senior Software Engineer – ONSITE

RTX

Senior Software Engineer developing innovative software solutions for aerospace and defense missions. Collaborating with multidisciplinary teams to address complex challenges and deliver critical capabilities.

Posted 6/11/2026full-timeFort Wayne • Florida, Iowa, Texas • 🇺🇸 United StatesSenior💰 $86,800 - $165,200 per yearWebsite

Tech Stack

Tools & technologies

Cyber SecurityJavaLinux

About the role

Key responsibilities & impact

Develop, implement, and support software solutions, technologies, products, systems, and/or capabilities across a variety of mission areas.
Execute software engineering activities throughout the software lifecycle, including requirements analysis, architecture, design, development, integration, testing, deployment, modernization, sustainment, and/or related engineering efforts.
Collaborate with multidisciplinary teams, customers, stakeholders, and/or engineering disciplines to define requirements, solve technical challenges, and deliver mission-critical capabilities.
Support the development of scalable, maintainable, reusable, and/or secure software solutions that meet program, customer, and operational requirements.
Contribute to system integration, verification, validation, troubleshooting, test, and/or deployment activities to ensure high-quality software performance, functionality, and reliability.
Apply advanced technical knowledge to solve complex challenges and deliver innovative software solutions that support customer and business objectives.
May provide technical guidance, mentorship, and/or knowledge sharing to less experienced engineers while contributing to the success of technical projects, initiatives, and/or program objectives.

Requirements

What you’ll need

Experience developing software applications, systems, or solutions using programming languages such as C/C++, Java, or similar languages.
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.
Typically requires a degree in Science, Technology, Engineering or Mathematics (STEM) and minimum 8 years prior relevant experience or an Advanced Degree in a related field and minimum 5 years of experience.
Active and transferable Secret or Top Secret U.S. government issued security clearance preferred.
Experience developing, integrating, testing, deploying, sustaining, and/or supporting software-based products, systems, platforms, and/or capabilities.
Experience with Linux, embedded software, real-time operating systems, DevSecOps, CI/CD pipelines, Agile development methodologies, automated testing frameworks, and/or related software development environments.
Knowledge of cybersecurity principles, secure software development practices, software assurance methodologies, requirements analysis, systems integration, verification and validation, and/or related engineering disciplines.
Experience supporting technical domains such as mission systems, communications systems, cybersecurity, autonomous systems, software modernization, test and validation, and/or other advanced aerospace and defense applications.

Benefits

Comp & perks

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!

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills & Tools

C/C++JavaLinuxembedded softwarereal-time operating systemsDevSecOpsCI/CD pipelinesAgile development methodologiesautomated testing frameworksrequirements analysis

Soft Skills

collaborationproblem-solvingtechnical guidancementorshipknowledge sharing

Certifications

U.S. government issued security clearanceSecret security clearanceTop Secret security clearance