Sustaining Engineer

As a Sustaining Engineer here at Honeywell, you will be responsible for maintaining and enhancing our software applications and systems to ensure their optimal performance and functionality. You will work closely with cross‑functional teams to identify and resolve issues, implement bug fixes, and develop new features. Your expertise in both front‑end and back‑end development will be crucial in delivering high‑quality solutions that meet the needs of our customers.

You will report directly to our Sustaining Engineering Manager and you'll work out of our Costa Mesa, CA location on a hybrid work schedule. In this role, you will impact the success of our software applications by ensuring their stability, reliability, and scalability. You will collaborate with stakeholders to understand their requirements and translate them into technical solutions. Your contributions will play a key role in delivering exceptional user experience and driving customer satisfaction.

• Collaborate with cross‑functional teams to identify and resolve software issues and bugs
• Develop and implement bug fixes and enhancements to improve software performance and functionality
• Perform testing and debugging to ensure the quality and reliability of software applications
• Collaborate with stakeholders to gather requirements and translate them into technical solutions
• Stay updated with the latest industry trends and technologies to continuously improve software development processes

• High School Diploma or equivalent
• 5 or more years of experience in full stack software development
• Expert level with C# and .Net
• Expert level knowledge of DBMS fundamentals and T‑SQL
• Familiarity with version control systems like Git Hub
• Excellent problem‑solving, troubleshooting, and analytical skills
• Strong communication and collaboration skills

• Bachelor’s degree from an accredited institution in Computer Science, Software Engineering, or a related field
• Master’s degree in computer science or a related field
• Expert level knowledge of Angular
• Experience with mobile development
• Experience with cloud platforms such as AWS or Azure
• Knowledge of Dev Ops practices and tools
• Familiarity with Agile development methodologies

The annual base salary range for this position is $102,100 - $135,000. Please note that this salary information serves as a general guideline. Honeywell considers various factors when extending an offer, including but not limited to the scope and responsibilities of the position, the candidate's work experience, education and training, key skills, as well as market and business considerations.

Honeywell International Inc. (Nasdaq: HON) invents and commercializes technologies that address some of the world’s most critical challenges around energy, safety, security, air travel, productivity, and global urbanization. We are a leading software‑industrial company committed to introducing state‑of‑the‑art technology solutions to improve efficiency, productivity, sustainability, and safety in high‑growth businesses in broad‑based, attractive industrial end markets. Our products and solutions enable a safer, more comfortable, and more productive world, enhancing the quality of life of people around the globe.

Learn more about Honeywell:

In addition to a performance‑driven salary, cutting‑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 information .

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

• Angular
• Bug Fixes Support
• C#/.Net
• Communication Skills
• Customer Support
• Software Architecture
• Software Engineering
• T‑SQL

Honeywell helps organizations solve the world's most complex challenges in automation, the future of aviation and energy transition. As a trusted partner, we provide actionable solutions and innovation through our Aerospace Technologies, Building Automation, Energy and Sustainability Solutions, and Industrial Automation business segments – powered by our Honeywell Forge software – that help make the world smarter, safer and more sustainable.

• Job Identification 138991
• Job Category Customer Experience
• Posting Date 02/20/2026, 08:58 PM
• Job Schedule Full time
• Locations Suites 100 & 150, 2955 Red Hill Avenue, Costa Mesa, CA, 92626, US (Hybrid)