Sr Advanced Software Engineer - Embedded C/C++

As an Sr. Advanced Software Engineer, you shall serve as a software development subject matter expert related to datalink technologies such as communication management functions (CMF), Flight Management Systems (FMS) and other mission-critical systems on various avionic platforms within a modern, robust development operations pipeline (DevOps). You will be expected to apply advanced software engineering skillsets, coordinate across hardware and software teams, and ensure compliance with all customer and regulatory requirements and act as mentor to more junior engineers. 

You will be an active contributor amongst an integrated product team as well as owner of key technical responsibilities assigned by project technical leads. This role will actively contribute to the development of certification and compliance strategies with industry standards (DO-178) as well as drive innovation and technical excellence which aligns with product roadmaps. 

You will work out of our Phoenix, AZ location on a Hybrid work schedule. No relocation offered.

KEY RESPONSIBILITIES

• Provide technical leadership across CMF and FMS datalink systems.
• Serve as subject matter expert for ATN technologies, avionic datalink systems.  
• Influence and evolve datalink software architectures. 
• Support strategic planning, technology roadmaps, and modernization efforts. 
• Troubleshoot and resolve complex software bugs and defects. 
• Participate in peer reviews, design reviews and documentation activities for certification. 
• Collaborate across various functional and global engineering and project engineering teams. 
• Travel within U.S. and/or Internationally: 10%

YOU MUST HAVE

• Bachelor’s degree from an accredited institution in a technical discipline such as the sciences, technology, engineering or mathematics.
• At least 7 years of Software Engineering experience. 
• Proficient experience in C languages as well as higher-level languages. 
• Proven experience in datalink communications systems. 

WE VALUE

• Bachelor’s degree in Computer Science or related technical fields. 
• Advanced degrees (Master’s/Graduate) or recognized technical leadership credentials. 
• Expert knowledge of DO-178 certification and safety-critical software development. 
• Experience with ARINC 664, CPDLC or FANS datalink communication systems. 
• Experience with Aerospace, Airsim, Multisim, MATLAB, Teamcenter, DOORS, JIRA
• Working knowledge of industry standard communication protocols (ARINC, MIL-STD-1553, CAN)
• Lab experience testing and verifying requirements of systems and software. 
• Individuals who are self-motivated and able to work with little supervision, who consistently take the initiative to get things done.
• Ability to adapt dictated by project changes.
• Multi-tasking and the ability to manage a variety of complicated tasks.
• Diverse thoughts and ideas; and experience teaming and collaboration with global Engineers.
• An understanding of data and networking structures, protocols and apply analytical problem-solving methods.

In addition to a competitive salary, leading-edge work, and developing solutions side-by-side with dedicated experts in their fields, Honeywell employees are eligible for a comprehensive benefits package. This package includes employer subsidized Medical, Dental, Vision, and Life Insurance; Short-Term and Long-Term Disability; 401(k) match, Flexible Spending Accounts, Health Savings Accounts, EAP, and Educational Assistance; Parental Leave, Paid Time Off (for vacation, personal business, sick time, and parental leave), and 12 Paid Holidays .For more Honeywell Benefits information visit: https://benefits.honeywell.com/

The application period for the job is estimated to be 40 days from the job posting date 1/20/2026; however, this may be shortened or extended depending on business needs and the availability of qualified candidates

Due to compliance with U.S. export control laws and regulations, candidate must be a U.S. Person, which is defined as, a U.S. citizen, a U.S. permanent resident, or have protected status in the U.S. under asylum or refugee status or have the ability to obtain an export authorization.