C#/.NET Software Engineer II

Date Posted:

2026-05-22

Country:

United States of America

Location:

US-IN-INDIANAPOLIS-206 ~ 3939 Priority Way S Dr ~ PRIORITY BLDG 6

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

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. 

Raytheon brings the strength of more than 100 years of experience and renowned engineering expertise to meet the needs of today’s mission and stay ahead of tomorrow’s threat. We deliver solutions that help our nation and allies defend freedoms and deter aggression, creating a safer, more secure world. Join us and help shape the future of aerospace and defense.

Our Battle Management Software Department is looking for software engineers to support development, test and other tasks throughout a software life cycle for aircraft embedded software applications.  The aircraft operating system interfaces with several avionics systems including displays, navigation and mission planning.  This challenging work requires strong problem-solving skills and the desire to learn from and work with world class Engineers. 

What You Will Do

• Use and provide creative solutions to complex technical system and software integration problems.

• Work closely with other software engineers and systems engineers to design ideal solutions with the end user and operational needs in mind. 

• Support all aspects of a software development life cycle as a member of a multi-disciplined team.

• Support new and legacy military and commercial programs from concept and requirements, to design, development, integration, test and potentially subsequent maintenance tasking.

Qualifications You Must Have

• Typically requires a degree in Science, Technology, Engineering or Mathematics(STEM) and a minimum of 2 years of prior relevant experience unless prohibited by local laws/regulations.

• Experience in software requirements, design, development, integration and test. 

• Experience developing and testing software using  C++, C#, Python, or closely related software languages. 

• Experience with using .NET libraries and frameworks.

• Experience developing software in a Windows environment. 

• Experience with Object-Oriented Programming (OOP) concepts such as understanding classes, inheritance, polymorphism and encapsulation. 

• Experience with implementing Dependency Injection (DI) and Inversion of Control (IoC) patterns.

• Experience with concurrency and thread management.

• Experience with Git for source code management.

• Experience with bitwise operations, memory layout and system-level programming.

• Experience with DevOps and DevSecOps practices, including Continuous Integration/Continuous Delivery (CI/CD) pipelines and software development methodologies.

• Experience with software systems design, integration and management. 

• Experience in utilizing software debugging tools to troubleshoot software implementation and ensure integrity of the software products. 

• The ability to obtain and maintain a U. S. government issued Secret security clearance prior to the start date. U.S. citizenship is required as only U.S. citizens are eligible for a security clearance.

Qualifications We Prefer

• Experience using software optimization techniques and timing analysis to ensure real-time operation and synchronization of software products. 

• Familiarity with Ethernet, MIL-STD-1553, etc. protocols and the tools used to view their traffic (e.g., Wireshark and AltaView, respectively). 

• Working knowledge in common computer hardware interface and data protocols such as TCP/IP, UDP, RS-422, USB, PCI. 

• Experience developing requirements for software products. 

• Understanding of computer ar