Software Engineer I, Core Services and Libraries (Onsite)

RTX (Raytheon); Huntsville (AL); On-site; USD 70,000 - 110,000; Full time

Benefits offered by this job

Medical insurance

Dental insurance

Vision insurance

Vacation 3 weeks

401(k) plan

Lifetime Income

Tuition reimbursement

Student loan repayment

Life Insurance

Disability coverage

Pet insurance

Home insurance

Auto insurance

Critical illness insurance

Group legal

ID theft protection

Job summary

RTX, Collins Aerospace Core Systems & Libraries team in Huntsville, AL, is seeking a Software Engineer I to develop core software components and supporting tools for avionics platforms. You will work across the software lifecycle with experienced engineers to deliver certifiable solutions aligned with civil and military standards.

The role emphasizes architecture design, DO-178 certification, and collaboration with customers and regulatory authorities, offering growth in a safety-critical

Qualifications

• Typically, the role requires a degree in Science, Technology, Engineering or Mathematics (STEM) and less than 2 years prior relevant experience.
• Experience designing and developing software architecture, libraries, or platform‑level components within an aerospace or safety‑critical environment.
• Experience/exposure supporting DO-178 software development and certification activities (e.g., requirements, verification, or certification artifacts)

Responsibilities

• Develop the architecture and design of core software components, libraries, and tooling aligned to avionics system requirements
• Drive technical direction and execution across development and verification activities for safety-critical software (DO-178)
• Develop software requirements, decomposition, and traceability across complex systems
• Develop and verify software using modern C++ and object-oriented design principles
• Develop DO-178 certification artifacts, including DAL-A deliverables
• Perform certification efforts, including engagement with customers and regulatory authorities
• Conduct and contribute to peer reviews to ensure quality, consistency, and compliance across the lifecycle
• Collaborate cross-functionally with engineering, program leadership, and customers to align technical solutions with program objectives
• Willing and Able to travel as required (domestic and international

Skills

Software architecture design

C++ programming

DO-178 experience

Cross-functional collaboration

Education

STEM degree

Tools

VxWorks

Linux

Windows OS

Job description

Country: United States of America

Location: US-AL-HUNTSVILLE-382 ~ 420 Jan Davis Dr ~ DAVIS 382

Position Role Type: Onsite

U.S. Citizen, U.S. Person, or Immigration Status Requirements: U.S. citizenship is required, as only U.S. citizens are authorized to access information under this program/contract.

Security Clearance Type: None/Not Required

Security Clearance Status: Not Required

At RTX, the world 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.

Collins Aerospace is a leader in technologically advanced, intelligent solutions that help redefine the aerospace and defense industry. With a comprehensive portfolio and deep technical expertise, we help customers meet the demands of the global market. Join us and help shape the future of aerospace and defense.

Join the Collins Aerospace Core Systems & Libraries team and help develop the software backbone that powers modern aircraft.

We are seeking a Software Engineer I who is eager to grow, enjoys solving complex technical problems, and wants to contribute to high-impact, safety-critical aerospace systems.

In this role, you will develop and support core software components, libraries, and tools that enable scalable, certifiable avionics platforms. You'll work across the software lifecycle, collaborating with experienced engineers and cross-functional teams to deliver high-quality solutions aligned with civil and military certification standards.

This is a strong opportunity to deepen your technical expertise, gain exposure to system-level design, and contribute to technologies shaping the future of aerospace.

This role is located onsite in Huntsville, AL.

What You Will Do

• Develop the architecture and design of core software components, libraries, and tooling aligned to avionics system requirements
• Drive technical direction and execution across development and verification activities for safety-critical software (DO-178)
• Develop software requirements, decomposition, and traceability across complex systems
• Develop and verify software using modern C++ and object-oriented design principles
• Develop DO-178 certification artifacts, including DAL-A deliverables
• Perform certification efforts, including engagement with customers and regulatory authorities
• Conduct and contribute to peer reviews to ensure quality, consistency, and compliance across the lifecycle
• Collaborate cross-functionally with engineering, program leadership, and customers to align technical solutions with program objectives
• Willing and Able to travel as required (domestic and international

What You Will Learn

• Gain hands‑on experience with cutting‑edge and emerging technologies that are shaping the future of avionics and aerospace systems
• Build end‑to‑end expertise across the full product lifecycle, from requirements and design through verification and delivery of safety‑critical systems
• Develop a deep understanding of software certification (DO-178) and how world‑class avionics products meet rigorous regulatory standards
• Learn how to design, scale, and sustain software product lines that support a wide range of platforms and global customers

Qualifications You Must Have

• Typically, the role requires a degree in Science, Technology, Engineering or Mathematics (STEM) and less than 2 years prior relevant experience.
• Experience designing and developing software architecture, libraries, or platform‑level components within an aerospace or safety‑critical environment.
• Experience/exposure supporting DO-178 software development and certification activities (e.g., requirements, verification, or certification artifacts)

Qualifications We Prefer

• Experience with C++ and VxWorks. Linux, and Windows OS
• Experience writing High‑Level and/or Low‑Level Requirements.
• Experience writing Test Cases and Automated Test Procedures.
• Experience with Civil Certification DO-178 - DAL A preferred.
• Experience with design and development of Flight Management Systems, Software, Aircraft Applications or Middleware.
• Familiar with revision control concepts and tools (e.g. GIT, Subversion, JIRA).

What We Offer

• 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 l