RTX is an aerospace and defense company providing advanced systems and services for commercial, military and government customers worldwide.

Collins Aerospace, a division of RTX, is seeking a Principal Software Engineer for their Strategic Solutions team in Richardson, TX. This role focuses on developing mission-critical software solutions supporting Mission Systems, particularly in the NC3 defense systems domain. The position requires expertise in Java development and microservices architecture, with a strong emphasis on security clearance requirements.

The ideal candidate will serve as a Subject Matter Expert, collaborating with high-performance teams to create sophisticated software solutions. Key responsibilities include requirements analysis, architecture development, and delivering mission-critical software. The role offers opportunities to mentor other engineers and directly support stakeholders.

The position requires 8+ years of experience with a STEM degree or 5+ years with an advanced degree. Strong expertise in Java and distributed systems is essential. The role demands U.S. citizenship due to security clearance requirements. Experience with DevSecOps, CI/CD, and various development tools is preferred.

RTX offers a comprehensive benefits package including medical/dental/vision insurance, generous vacation time, 401(k) matching, tuition reimbursement, and various family-friendly benefits. The salary range is $101,000 - $203,000 USD, with opportunities for growth and development in a leading aerospace and defense company.

This is an onsite position in Richardson, TX, offering the chance to work on cutting-edge defense systems while being part of a team that's shaping the future of aerospace and defense technology. The role provides unique exposure to specialized domains within strategic nuclear deterrence and opportunities for technical leadership.

Principal Software Engineer position at RTX focusing on mission-critical software development for defense systems with Java and microservices expertise required.

Principal Software Engineer (Onsite)

Collins Aerospace, a division of RTX, is seeking a Senior Firmware Engineer to join their team in Marlborough, MA. This role is crucial in developing complex firmware solutions for U.S. military and international defense systems, focusing on Field Programmable Gate Arrays (FPGAs), System on Chip (SOC), and Complex Programmable Logic Devices (CPLDs).

The position offers an exciting opportunity to work on cutting-edge defense technology while being part of an Integrated Program Team (IPT). The role involves comprehensive firmware development, from architecture design to laboratory testing and system qualification. Key responsibilities include developing FPGA architectures, generating firmware requirements, designing HDL-based digital circuits, and creating automated testing solutions.

This is an ideal opportunity for experienced firmware engineers with a strong background in digital hardware design and verification. The role requires at least 5 years of experience and expertise in communication interfaces like SPI, I2C, PCIe, and UART. The position demands U.S. citizenship and the ability to obtain a security clearance, reflecting the sensitive nature of the work.

RTX offers an impressive benefits package including comprehensive healthcare, generous vacation time, 401(k) matching, and various family-friendly benefits. The salary range of $82,000-$164,000 reflects the senior nature of the role and the company's commitment to competitive compensation.

The position is based in Marlborough, MA, and requires onsite presence, offering the opportunity to work directly with advanced hardware and testing equipment. This role is perfect for someone who wants to contribute to national defense while working with cutting-edge technology in a stable, well-established company known for innovation in aerospace and defense.

Senior Firmware Engineer position at RTX (Collins Aerospace) focusing on FPGA and embedded systems development for military and defense applications.

Senior Firmware Engineer (ONSITE)

Join the Air Traffic Systems (ATS) Software Engineering team at Collins Aerospace, a division of RTX, where you'll work on safety-critical air traffic control systems used by controllers at over 400 U.S. locations. This senior software engineering role focuses on the STARS program (Standard Terminal Automation Replacement System), which manages terminal airspace for both civil and military aviation.

As a Senior Software Engineer, you'll be responsible for designing, developing, and maintaining the STARS Database Management System (DMS) and related tools. The role requires expertise in C programming, Unix/Linux environments, and database systems, particularly Oracle SQL. You'll work in a structured development environment following FAA and STARS standards, collaborating with cross-functional teams to solve complex technical challenges.

The position offers a competitive salary range of $82,000 - $164,000 USD, along with comprehensive benefits including medical/dental/vision insurance, 401(k) matching, tuition reimbursement, and flexible work arrangements. The role is hybrid-based in Mt. Laurel, NJ, and requires U.S. citizenship due to program requirements.

This is an excellent opportunity for experienced software engineers who want to make a direct impact on national airspace safety while working with cutting-edge air traffic control systems. You'll be part of a team modernizing critical infrastructure used by the FAA, contributing to systems that affect millions of air travelers daily. The role offers both technical challenges and the satisfaction of working on safety-of-life systems that make a real difference in aviation safety.

Senior Software Engineer position at Collins Aerospace (RTX) working on air traffic control systems, offering $82k-$164k salary with comprehensive benefits in Mt. Laurel, NJ.

Senior Software Engineer - Air Traffic Solutions (Onsite)

Collins Aerospace, an RTX company, is seeking a Software Engineer II for their embedded systems team. This role focuses on developing network security appliances and requires expertise in Rust and embedded systems programming. The position demands an active US Secret security clearance and US citizenship.

The role involves architecting, designing, and implementing embedded software solutions for network security applications. You'll work with cross-functional teams on complex hardware-software integration projects, focusing on security protocols and device management software. The position offers opportunities to work on critical defense and aerospace systems that directly impact national security.

The ideal candidate will have at least 2 years of experience in embedded systems development, with strong skills in Rust, C++, or similar languages. Experience with cryptographic algorithms, network security protocols, and hardware-software integration is highly valued. The role requires both technical expertise and the ability to collaborate effectively with team members.

RTX offers a comprehensive benefits package including competitive salary, medical/dental/vision insurance, generous PTO, 401(k) matching, and various family-friendly benefits. The company culture emphasizes work-life balance and professional development opportunities. This is an onsite position in either Morrisville, NC or Annapolis Junction, MD, with relocation assistance available.

Join a team that's at the forefront of aerospace and defense technology, working on projects that directly contribute to national security and technological advancement. The role offers the chance to work with cutting-edge technology while developing critical systems that protect and enable modern defense capabilities.

Software Engineer II position at RTX focusing on embedded systems development with Rust, requiring Secret clearance and offering comprehensive benefits.

Software Engineer II (ONSITE)

Collins Aerospace, a division of RTX, is seeking a Firmware Engineer to join their team developing mission-critical systems for military and defense applications. This role offers an exciting opportunity to work on complex firmware solutions implemented in Field Programmable Gate Arrays (FPGAs), System on Chip (SOC), and Complex Programmable Logic Devices (CPLDs).

The position involves working within an Integrated Program Team (IPT) to create sophisticated firmware solutions that help keep the world safe from foreign threats. Your responsibilities will include generating firmware requirements, designing HDL-based digital circuits, creating test benches, and verifying functionality in laboratory environments. You'll work with various communication interfaces and bus standards, using modern tools and technologies in embedded systems development.

The ideal candidate should have at least 2 years of experience in digital hardware design and verification, along with familiarity with various communication protocols and debugging tools. Experience with FPGA development, VHDL, and scripting languages like Python is highly valued. The role requires U.S. citizenship and the ability to obtain a security clearance, as you'll be working on sensitive military projects.

RTX offers an impressive benefits package including comprehensive healthcare, generous vacation time, 401(k) matching, tuition reimbursement, and various family-friendly benefits. The salary range of $66,000-$130,000 reflects the company's commitment to attracting top talent in the embedded systems field.

This is an excellent opportunity for an embedded systems engineer looking to make a meaningful impact in the aerospace and defense sector while working with cutting-edge technology and a team of skilled professionals. The position offers clear paths for growth and development within a global organization that's at the forefront of aerospace and defense technology.

Firmware Engineer position at RTX (Collins Aerospace) developing complex firmware solutions for military and defense systems using FPGAs and embedded systems.

Firmware Engineer (ONSITE)

Collins Aerospace, a division of RTX (formerly Raytheon Technologies), is seeking a Senior Firmware Engineer to join their team in Marlborough, MA. This role is critical in developing complex firmware solutions for U.S. military and international defense applications, focusing on Field Programmable Gate Arrays (FPGAs), System on Chip (SOC), and Complex Programmable Logic Devices (CPLDs).

The position offers an exciting opportunity to work on cutting-edge defense technology while being part of an Integrated Program Team (IPT). The role involves comprehensive firmware development, from architecture design to laboratory testing and system qualification. Key responsibilities include developing FPGA architectures, generating firmware requirements, designing HDL-based digital circuits, and creating test benches for verification.

This is an ideal opportunity for experienced firmware engineers with a strong background in digital hardware design and verification. The role requires expertise in communication interfaces and bus standards, along with hands-on experience with testing tools like logic analyzers and oscilloscopes. The position demands U.S. citizenship and the ability to obtain a security clearance, reflecting its importance in national defense projects.

RTX offers an impressive benefits package, including comprehensive healthcare, retirement plans, educational assistance, and work-life balance programs. The salary range of $82,000 to $164,000 reflects the senior nature of the position and the company's commitment to competitive compensation. The role also includes relocation assistance, making it an attractive opportunity for qualified candidates nationwide.

The position is based at Collins Aerospace's Marlborough facility, where you'll be part of a team of 195,000 employees working at the forefront of aerospace and defense technology. This role offers the chance to contribute to projects that push the boundaries of known science while working for one of the industry's leading companies.

Join Collins Aerospace, a division of RTX, as a Principal Embedded Software Engineer working on mission-critical systems within a Special Access Program (SAP) focused on Strategic Nuclear Deterrence. This role offers a unique opportunity to shape the future of aerospace technology while contributing to national defense systems.

The position requires expertise in embedded software development with real-time operating systems (RTOS) and involves designing, implementing, and maintaining software that meets strict certification requirements. You'll work in an Agile environment, creating UML design diagrams, deriving software requirements, and producing high-quality software builds in an integrated test environment.

As a Principal Engineer, you'll serve as a technical leader, mentoring junior engineers while collaborating with other senior-level professionals. The role offers exposure to cutting-edge communication technologies and the opportunity to grow into leadership positions such as Scrum Master, Product Owner, or Software Lead.

The position is based in Richardson, Texas, and requires U.S. citizenship and an active secret security clearance. RTX offers comprehensive benefits including medical/dental/vision insurance, 401(k) matching, tuition reimbursement, and various family-friendly policies.

This is an excellent opportunity for experienced software engineers looking to make a meaningful impact in aerospace and defense while advancing their careers. No prior communications or nuclear experience is required - RTX provides comprehensive training to help you become a subject matter expert in this specialized field.

The role offers competitive compensation ranging from $101,000 to $203,000 USD, depending on experience and qualifications. Join a team of 195,000 professionals working at the forefront of known science, pushing boundaries in quantum physics, electric propulsion, directed energy, hypersonics, avionics, and cybersecurity.

Principal Embedded Software Engineer role at RTX focusing on mission-critical systems within Strategic Nuclear Deterrence program.

Principal Embedded Software Engineer (ONSITE)

Collins Aerospace, a division of RTX, is seeking a Firmware Engineer to join their team in Marlborough, MA. This role focuses on developing complex firmware solutions for US military and international customers, working with FPGAs, System on Chip (SOC), and CPLDs. The position offers a comprehensive benefits package and requires a security clearance.

The ideal candidate will have at least 2 years of experience in digital hardware design and verification, with knowledge of various communication interfaces and bus standards. They will be responsible for generating firmware requirements, documentation, and designing HDL-based digital circuits. The role involves hands-on work with laboratory equipment and requires strong technical skills in embedded systems development.

This is an excellent opportunity for someone interested in aerospace and defense technology, offering competitive compensation ($66,000-$130,000) and extensive benefits including healthcare, 401(k) matching, tuition reimbursement, and work-life balance programs. The position requires U.S. citizenship due to security clearance requirements and is based onsite in Marlborough, MA.

RTX is a leading aerospace and defense company with 195,000 employees worldwide, operating at the cutting edge of technology in areas like quantum physics, electric propulsion, and hypersonics. This role offers the chance to work on critical systems that help civilian, military, and government customers complete complex missions.

Firmware Engineer position at Collins Aerospace (RTX) developing complex firmware solutions for military and defense applications, requiring 2+ years experience and U.S. citizenship.

Collins Aerospace, a division of RTX, is seeking a Principal Software Engineer to join their Advanced Technology and Capabilities directorate in Cedar Rapids, IA. This role focuses on developing state-of-the-art communications and information assurance systems for military applications. The position involves working with cutting-edge embedded Linux systems, collaborating with FPGA, hardware, and systems teams to create sophisticated software-defined radios and communication systems.

The ideal candidate will have extensive experience in embedded Linux development, including kernel development, device drivers, and board support packages. They'll work on mission-critical systems that keep military members safe, connected, and informed. The role requires both technical expertise in embedded systems and the ability to work collaboratively in a team environment.

This is an onsite position requiring U.S. citizenship and the ability to obtain a security clearance. The compensation package is competitive, ranging from $101,000 to $203,000, with comprehensive benefits including medical insurance, 401(k) matching, and educational assistance. RTX offers a stable, innovative environment where you can contribute to meaningful projects while advancing your career in aerospace and defense technology.

The position offers the opportunity to work with some of the industry's most knowledgeable experts, using recent technologies in embedded software development. You'll be part of a team developing products ranging from high-frequency radios to secure, sophisticated software-defined radios enabling critical military communications.

Principal Software Engineer position at Collins Aerospace focusing on embedded Linux development for military communication systems in Cedar Rapids, IA.

Principal Software Engineer - Embedded Linux (Onsite)

Collins Aerospace's Strategic Solutions team is seeking a Principal Software Engineer to join their high-performance development team in Richardson, TX. This role focuses on creating mission-critical solutions supporting Mission Systems, particularly in NC3 defense systems for the armed forces. The position requires an active Secret clearance and U.S. citizenship.

The ideal candidate will have extensive experience in Java development, microservices architecture, and a strong background in object-oriented programming. They will serve as a Subject Matter Expert, leading technical decisions and mentoring other team members while working on critical defense systems.

The role offers comprehensive benefits including medical/dental/vision insurance, generous 401(k) matching, tuition reimbursement, and various insurance options. The company provides a supportive environment for professional growth with opportunities to work on cutting-edge defense technology.

As part of RTX, one of the world's leading aerospace and defense companies, you'll be joining a team of 195,000 employees working at the forefront of known science. The position offers competitive compensation ranging from $101,000 to $203,000 USD, based on experience and qualifications.

This is an onsite position requiring daily presence at the Richardson, TX facility, making it ideal for candidates seeking to work directly with advanced defense systems in a collaborative, security-focused environment.

Principal Software Engineer position at Collins Aerospace focusing on mission-critical defense systems development, requiring Secret clearance and Java expertise.

RTX (Collins Aerospace) Engineering Jobs

RTX is an aerospace and defense company providing advanced systems and services for commercial, military and government customers worldwide.