Sr Field Service Technician | HVAC Controls Building Automation

Job Description As an Automation Sr. Field Service Technician, you will serve as the technical expert responsible for maintaining, troubleshooting, optimizing, and supporting building automation and integrated building systems for Honeywell customers. You will deliver exceptional customer service while ensuring mission-critical building systems operate safely, efficiently, and reliably. You will report directly to our Sr Service Manager , and you'll work out of our Acton, MA location on an On-site work schedule. This role requires advanced technical expertise in Building Management Systems (BMS), HVAC controls , automation networks, and connected building technologies. The successful candidate will independently diagnose complex system issues, execute preventive and corrective maintenance activities, support modernization efforts, and provide consultative recommendations that improve system performance, energy efficiency, cybersecurity, and occupant comfort. You will work directly with customers, operations teams, and service leadership to deliver world-class service while upholding Honeywell's commitment to safety, quality, and customer satisfaction. Responsibilities

KEY RESPONSIBILITIES

Technical Service Delivery: Diagnose, troubleshoot, repair, and optimize Building Automation Systems (BAS) and HVAC controls; perform preventive maintenance; support system upgrades and modernization; document service activities accurately. Building Automation & Network Systems: Configure and troubleshoot BAS communication networks; support integration of building systems; analyze and resolve network performance and communication issues; collaborate with IT on security and connectivity. Customer Success & Relationship Management: Build trusted customer relationships; communicate technical findings; provide training; identify improvement opportunities; ensure timely and professional service delivery. Safety, Quality & Compliance: Conduct hazard assessments; follow safety policies; ensure compliance with codes and regulations; maintain accurate documentation for compliance. Operational Excellence: Maintain customer documentation; manage tools and assets responsibly; participate in emergency response; pursue continuous technical development. Qualifications

YOU MUST HAVE

3+ years of experience diagnosing and servicing Building Automation Systems , HVAC controls , industrial controls, fire systems, security systems, or related technologies. 3+ years of experience in Building Automation Systems (BAS), HVAC controls, troubleshooting controls, DDC systems, and field service operations. Experience working with Microsoft Windows operating systems, Microsoft Outlook, Excel, Word, and networked control systems. Valid driver's license with an acceptable driving record. High School Diploma/GED

WE VALUE

Associate Degree in Engineering Technology, HVAC Technology, Electronics, Automation, Controls, Computer Networking, or related technical discipline 5+ years of Building Automation or HVAC Controls experience. Advanced knowledge of Honeywell building automation platforms. Experience with Niagara Framework, Tridium, EBI, Webs, Spyder, CIPer, or comparable BAS platforms. Understanding of HVAC mechanical systems including chillers, boilers, VAV systems, air handling units, and central plant operations. Experience commissioning and programming DDC controllers. Experience with data center, healthcare, pharmaceutical, industrial, or mission-critical facilities. Knowledge of cybersecurity principles for Operational Technology (OT) and BAS environments. Ability to read and interpret mechanical drawings, wiring diagrams, control schematics, and sequences of operation. Industry certifications such as Niagara Certification, HVAC Controls Certification, Network+ or equivalent, OSHA 10/30, Licensed HVAC or Electrical credentials.

BENEFITS OF WORKING FOR HONEYWELL

The annual base salary for this position is $67,000 - $83,000. 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: 09/18/2026

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. 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. About Us 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. Required Skills Customer Relationship Management (CRM), Field Services Support, Product Knowledge Sharing #J-18808-Ljbffr Honeywell INC.