Senior Controls Technician

Environmental Engineering Systems (EES Facility); Dayton (OH); On-site; USD 52,000 - 66,000; Full time

Benefits offered by this job

Health insurance

Dental insurance

Vision insurance

401k with Company Match

Profit Sharing & Pension

Telemedicine

Life and supplemental insurance

Short-term and long-term disability

Critical illness coverage

Job summary

EES Facility Services, Dayton, OH, is seeking a Senior Controls Technician to service commercial and industrial BAS systems. This hands-on role involves troubleshooting, programming, commissioning, integrating, and improving equipment with limited supervision.

The ideal candidate has 5+ years of field experience, strong understanding of HVAC systems, BACnet/Modbus knowledge, and the ability to read plans and diagrams. Travel to customer sites across the region is required.

Qualifications

• 5+ years of hands-on commercial or industrial building automation / DDC controls experience.
• Strong understanding of HVAC systems and sequences of operation.
• Proven ability to independently troubleshoot controls hardware, low-voltage wiring, networks, programming, and mechanical system interactions.
• Experience programming and commissioning BAS/DDC systems.
• Working knowledge of BACnet/IP, BACnet MS/TP, and Modbus.
• Ability to read mechanical plans, control drawings, wiring diagrams, and sequences of operation.
• Strong customer communication skills and the ability to explain technical issues clearly.
• Valid driver’s license and ability to travel to customer sites throughout the region

Responsibilities

• Troubleshoot BAS/DDC systems, controllers, sensors, actuators, communication networks, programming, and sequences of operation.
• Program and modify controllers, setpoints, schedules, alarms, trends, and sequences to meet project and customer requirements.
• Perform startup, point-to-point checkout, commissioning, functional testing, and system verification.
• Integrate HVAC equipment and third‑party systems using BACnet/IP, BACnet MS/TP, Modbus, and other common BAS protocols.
• Build and modify graphics, databases, network connections, and front-end interfaces.
• Diagnose control issues involving RTUs, AHUs, VAVs, boilers, chillers, pumps, exhaust systems, and other commercial HVAC equipment.
• Support retrofit and modernization projects, including migrations from legacy or pneumatic control systems.
• Work directly with customers to explain findings, recommend corrective action, and provide a strong service experience.
• Provide technical leadership and field support to less‑experienced controls technicians.
• Complete clear startup, service, and project documentation and assist with customer training and closeout.

Skills

Troubleshooting BAS/DDC

HVAC sequences

Reading drawings/diagrams

Customer communication

Programming & commissioning

Field leadership/mentoring

BACnet/IP & Modbus

Tools

BACnet/IP

BACnet MS/TP

Modbus

Johnson Controls Metasys

Tridium Niagara N4

Distech Controls

Job description

Senior Controls Technician

Dayton, OH

EES Facility Services is looking for a full-time Senior Controls Technician to service our customers in Dayton, Ohio. EES Facility Services is looking for an experienced Senior Building Automation / Controls Technician who can take ownership in the field. This is a hands‑on technical role for someone who is comfortable troubleshooting, programming, commissioning, integrating, and improving commercial and industrial BAS systems with limited supervision.

What we can offer YOU:

• Health insurance
• Dental insurance
• Vision insurance
• 401k with Company Match
• Profit Sharing & Pension
• Telemedicine
• Life and supplemental insurance
• Short-term and long-term disability
• Critical illness coverage
• Pay: $38 – $48/hour, offer dependent on experience

Schedule:

• Monday to Friday
• Weekends as needed
• 8 AM – 5 PM

What you need to succeed:

• 5+ years of hands‑on commercial or industrial building automation / DDC controls experience.
• Strong understanding of HVAC systems and sequences of operation.
• Proven ability to independently troubleshoot controls hardware, low‑voltage wiring, networks, programming, and mechanical system interactions.
• Experience programming and commissioning BAS/DDC systems.
• Working knowledge of BACnet/IP, BACnet MS/TP, and Modbus.
• Ability to read mechanical plans, control drawings, wiring diagrams, and sequences of operation.
• Strong customer communication skills and the ability to explain technical issues clearly.
• Valid driver’s license and ability to travel to customer sites throughout the region

Preferred Experience:

• Johnson Controls Metasys / Facility Explorer.
• Tridium Niagara N4.
• Distech Controls.
• BAS integrations, network troubleshooting, and system migrations.
• Experience mentoring technicians or serving as the technical lead on projects.

What you’ll be doing:

• Troubleshoot BAS/DDC systems, controllers, sensors, actuators, communication networks, programming, and sequences of operation.
• Program and modify controllers, setpoints, schedules, alarms, trends, and sequences to meet project and customer requirements.
• Perform startup, point-to-point checkout, commissioning, functional testing, and system verification.
• Integrate HVAC equipment and third‑party systems using BACnet/IP, BACnet MS/TP, Modbus, and other common BAS protocols.
• Build and modify graphics, databases, network connections, and front-end interfaces.
• Diagnose control issues involving RTUs, AHUs, VAVs, boilers, chillers, pumps, exhaust systems, and other commercial HVAC equipment.
• Support retrofit and modernization projects, including migrations from legacy or pneumatic control systems.
• Work directly with customers to explain findings, recommend corrective action, and provide a strong service experience.
• Provide technical leadership and field support to less‑experienced controls technicians.
• Complete clear startup, service, and project documentation and assist with customer training and closeout.

About Us

For more than 50 years, EES has supported commercial and industrial customers with HVAC, building controls, design, engineering, service, and retrofit solutions. We are a Johnson Controls Authorized Building Controls Specialist and also work across Niagara, Distech, BACnet, Modbus, and other open‑protocol systems.

EES Facility Services is a leading provider of commercial and industrial HVAC services, design & engineering, and innovative comfort technology for our clients for over 50 years. We believe in empowering our employees to work together to deliver tomorrow’s technologies & solutions today.