Advanced Field Service Engineer

As an Advanced Field Service Engineer at Honeywell, you will be responsible for providing advanced technical support and service for HVAC control systems and building automation systems (BAS). You will play a crucial role in ensuring the optimal performance and reliability of our systems, while delivering exceptional service to our customers.

You will report directly to our Field Service Supervisor. This position is based out of our Connecticut office and provides support to customers throughout the surrounding region, including the Greater Boston area, on a hybrid work schedule.

In this role, you will impact customer satisfaction and operational efficiency by troubleshooting, diagnosing, and resolving complex HVAC control issues, while also mentoring junior technicians and ensuring adherence to industry standards and Honeywell’s policies and best practices.

KEY RESPONSIBILITIES

• Lead onsite installation, commissioning, and service of Honeywell Building Automation Systems (BAS), including DDC controllers, HVAC equipment, and networked control devices.

• Diagnose, troubleshoot, and resolve issues involving Honeywell Building Automation System (BAS) legacy controllers as well as current generation controllers, and integrated BAS systems (Tridium Niagara / Honeywell EBI) .

• Serve as the technical lead on projects, providing direction and mentorship to junior technicians and subcontractors to ensure quality and timely execution.

• Perform advanced troubleshooting and diagnostics of HVAC controls systems , including VAVs, AHUs, chillers, boilers, sensors, actuators, and communication networks (BACnet, Modbus, LonWorks).

• Program, configure, and commission Honeywell platforms such as Spyder, WEBs, EBI, and Niagara-based systems.

• Perform system analysis, identify root causes, implement corrective actions, and verify proper system operation to ensure reliable building performance.

• Interpret control drawings, wiring schematics, and sequences of operation to validate system functionality and ensure proper integration.

• Conduct system startups, point-to-point verification, and functional performance testing to meet project specifications and customer requirements.

• Coordinate directly with project managers, engineers, customers, and other trades to resolve technical issues and maintain project schedules.

• Identify system optimization opportunities to improve energy efficiency, reliability, and overall building performance.

• Ensure accurate documentation, redlines, service reports, and as-built drawings are completed and submitted in accordance with Honeywell standards.

• Maintain strict adherence to Honeywell safety protocols, quality processes, and customer site compliance requirements.

YOU MUST HAVE

• Minimum of 5 years of experience in HVAC controls and Building Automation Systems .

• Strong technical knowledge of HVAC systems, controls, and BAS technologies.

• Proficiency in troubleshooting and diagnosing complex HVAC control issues.

• Experience with programming and configuring HVAC control systems, including DDC controllers and software.

• Niagara (Niagara 4) Certification preferred or willingness to obtain certification.

• Advanced knowledge of Honeywell BAS platforms (Spyder, WEBs, EBI).

• Strong troubleshooting skills across HVAC controls, DDC systems, and open protocols (BACnet, Modbus, LonWorks).

• Excellent customer communication and technical documentation skills.

• Commitment to upholding Honeywell’s values, safety standards, and compliance requirements.

WE VALUE

• Bachelor’s degree in Engineering, HVAC, or related field preferred.

• Experience working in a customer-facing technical support role.

• Ability to work independently and as part of a team in a fast-paced environment.

• Strong problem-solving skills and attention to detail.

• Familiarity with Honeywell safety and quality standards.

BENEFITS OF WORKING FOR HONEYWELL

The annual base salary range for this position is $88,000 - $110,000. 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.

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 information visit: Benefits at Honeywell (

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

Posting Date: 09/03/2026

ABOUT HONEYWELL TECHNOLOGIES

Honeywell Technologies is a global, pure-play automation company with a legacy of innovating to help solve the world’s most mission-critical challenges, enhancing the quality of life for people and communities around the world. We serve the building, industrial, and process sectors with a broad portfolio of services, solutions, and products, underpinned by our Honeywell Technologies Accelerator operating system and Honeywell Technologies Forge intelligence layer. By combining the deep domain expertise of our more than 50,000 employees with decades of data from our global installed base, we are uniquely positioned to lead the industrial sector’s transition from automation to autonomy. Learn more (

Honeywell is an equal opportunity employer. Qualified applicants will be considered without regard to age, race, creed, color, national origin, ancestry, marital status, affectional or sexual orientation, gender identity or expression, disability, nationality, sex, religion, or veteran status. Learn more (

Honeywell Technologies is a global, pure-play automation company with a legacy of innovating to help solve the world’s most mission-critical challenges, enhancing the quality of life for people and communities around the world. We serve the building, industrial and process sectors with a broad portfolio of services, solutions and products, underpinned by our Honeywell Technologies Accelerator operating system and Honeywell Technologies Forge intelligence layer. By combining the deep domain expertise of our more than 50,000 employees with decades of data from our global installed base, we are uniquely positioned to lead the industrial sector’s transition from automation to autonomy.

Honeywell is an equal opportunity employer. Qualified applicants will be considered without regard to age, race, creed, color, national origin, ancestry, marital status, affectional or sexual orientation, gender identity or expression, disability, nationality, sex, religion, or veteran status.