HVAC/DDC Technician – Operations & Maintenance
Catonsville , MD
Experience: 10
Category: Engineering
Contractor Work Model: Onsite
Brand: System One
Compensation Range: 36.00 - 40.00 Per Hour
Job ID: 351626
Date Posted: 07/02/2026
Shortcut: http://jobs.systemone.com/4c9BrB
Job Title: HVAC/DDC Technician – Operations & Maintenance
Location: Catonsville Md, MD
Type: Contract
Responsibilities
- Support the operation, inspection, troubleshooting, and maintenance of HVAC equipment, Building Automation Systems (BAS), Direct Digital Control (DDC) systems, steam and hot water systems, chillers, air handling units, geothermal heat pumps, and related energy management equipment.
- Perform preventive maintenance activities on boilers, chillers, air handling units, cooling towers, geothermal heat pumps, water heaters, and related mechanical equipment.
- Monitor equipment performance and identify abnormal operating conditions, conducting system testing, adjustments, calibration, and verification of proper operation.
- Conduct steam trap inspections and assist with repair or replacement activities, along with chemical water treatment monitoring and related maintenance activities.
- Monitor and troubleshoot BAS/DDC systems and equipment alarms, verify controller communications, check and calibrate sensors, transducers, actuators, and control devices.
- Tune control loops (PI/PID) as required, maintain software backups, trend logs, and system documentation, and support BAS modifications and operational changes.
- Respond to routine and emergency service requests, diagnose equipment failures, develop corrective action plans, and document findings, repairs, and recommendations.
- Coordinate with facility personnel regarding operational concerns and recurring issues.
- Complete scheduled preventive maintenance activities, inspect electrical connections, motors, bearings, belts, filters, refrigerant systems, pumps, valves, and safety devices, and ensure compliance with safety and regulatory requirements.
- Record maintenance activities, inspections, repairs, and equipment status in the CMMS, update work orders, and support inventory tracking and reporting activities.
- Follow all safety procedures, lockout/tagout requirements, and industry best practices; identify and report safety hazards or equipment conditions.
Requirements
- High school diploma or equivalent.
- Technical training in HVAC, mechanical systems, or building automation controls.
- Experience with commercial or institutional HVAC systems.
- Knowledge of BAS/DDC control systems and HVAC troubleshooting.
- Ability to read mechanical, electrical, and control schematics.
- Strong troubleshooting and diagnostic skills.
- Proficiency with CMMS software and maintenance documentation.
- Valid driver's license (if required).
- Minimum of 10 years of relevant experience.
- Required skills: HVAC (id=9517)
System One, and its subsidiaries including Joulé and Mountain Ltd., are leaders in delivering outsourced services and workforce solutions across North America. We help clients get work done more efficiently and economically, without compromising quality. System One not only serves as a valued partner for our clients, but we offer eligible employees health and welfare benefits coverage options including medical, dental, vision, spending accounts, life insurance, voluntary plans, as well as participation in a 401(k) plan.
System One is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex (including pregnancy, childbirth, or related medical conditions), sexual orientation, gender identity, age, national origin, disability, family care or medical leave status, genetic information, veteran status, marital status, or any other characteristic protected by applicable federal, state, or local law.
#M1
#LI-
Ref: #223-Eng Orlando
-
Maintenance Mechanic
Cranbury, NJ
Job Title: Facility Maintenance Mechanic Location: Cranbury, NJ Hours / Schedule: Monday–Friday (8:00 AM – 5:00 PM), some flexibility for early / late shifts and occasional weekends as needed Type: Direct Hire Compensation: $34.50 per hour pending over...
Date Posted: 07/08/2026 Recommended
-
HVAC Service Tech II
Midland, Texas
Job Title: HVAC Service Tech II Location: Midland, Texas, 79701 Type: Direct Hire Compensation: $32-39/hr Contractor Work Model: Onsite – onsite Overview The HVAC Technician II is responsible for troubleshooting, diagnosing, repairing, and installing H...
Date Posted: 06/01/2026 Recommended
-
Controls Specialist - Data Center
Claude, Texas
Job Title: Controls Specialist - Data Center Location: Claude, TX Type: Contract Compensation: $50 - 60/hr Work Model: Onsite – onsite Responsibilities Utilize Studio 5000 (Logix Designer) to navigate existing PLC programs and troubleshoot operational ...
Date Posted: 07/02/2026 Recommended
-
Lead Mechanic
Dayton , NJ
Job Title: Lead Mechanic Location: Dayton, NJ Type: Direct Hire Compensation: Up to $40 per hour Contractor Work Model: Onsite – onsite Hours: 7 AM- 3:30 PM Overview Responsibilities Oversee and support the maintenance, troubleshooting, and optimizatio...
Date Posted: 05/15/2026 Recommended
-
Manufacturing Facility Technician
Quincy, MA
Title: Manufacturing Facilities Technician Location: Quincy, MA area Hours / Schedule: Mon-Fri; 6am-2:30pm (with occasional OT available) Type: Direct Hire Responsibilities Working under the direction and supervision of others, perform routine inspecti...
Date Posted: 07/09/2026 Recommended
-
Maintenance Technician- Night shift
Beloit, WI
Job Title: Maintenance Technician - Night shift Location: Beloit, WI Hours / Schedule: Night shift Type: Direct Hire Compensation: $72,800 Responsibilities Perform electro-mechanical maintenance duties in a batching and drying SQF 3 processing facility...
Date Posted: 06/17/2026 Recommended
-
Utilities 3rd Engineer
Quincy, MA
Job Title: Utilities 3rd Engineer Location: Quincy MA Type: Direct Hire Compensation: $28.00 To $42.00 Hourly Work Model: Onsite Hours: 12-hour shifts either 6 am - 6 pm or 6 pm - 6 am. Candidates need to be able to work day or night shift. Two-week ro...
Date Posted: 07/07/2026 Recommended
-
Utilities 3rd Engineer
Quincy, MA
Job Title: Utilities 3rd Engineer Location: Quincy MA Type: Direct Hire Compensation: $28.00 To $42.00 Hourly Work Model: Onsite – onsite Hours: 12-hour shifts either 6 am - 6 pm or 6 pm - 6 am. Candidates need to be able to workday or night shift. Two...
Date Posted: 07/14/2026 Recommended
-
Maintenance Mechanic
Grant Town, West Virginia
Job Title: Maintenance Mechanic Location: Grant Town, West Virginia Type: Contract To Hire Contractor Work Model: Onsite – onsite Hours: 40.0 Responsibilities: Perform general maintenance, technical maintenance, welding, and machining of equipment at f...
Date Posted: 06/11/2026 Recommended
-
Intermediate Capital Cost Estimator (Mechanical)
Greentree, PA
Intermediate Capital Cost Estimator (Mechanical) Greentree, PA, United States Responsibilities Develop accurate cost estimates for mechanical equipment, piping, HVAC, and structural components for industrial manufacturing and Food & Beverage projects. ...
Date Posted: 07/07/2026 Recommended
-
Lead HVAC Service Technician
Midland, Texas
Job Title: Lead HVAC Service Technician Location: Midland, Texas Type: Direct Hire Compensation: $36.95 - $49.31/hr Contractor Work Model: Onsite – onsite Overview The Lead HVAC Services Technician is responsible for providing local market sales suppor...
Date Posted: 05/29/2026 Recommended
-
Maintenance Mechanic
Geneva, NY
Job Title: Maintenance Mechanic Location: Geneva, NY Compensation: Up to $41.50 per hour Contractor Work Model: Onsite – onsite Hours: 12-hour rotating Continental (2-2-3 / Panama Schedule) shift hours: 6:00 AM – 6:00 PM / 6:00 PM – 6:00 AM (rotating) ...
Date Posted: 06/08/2026 Recommended
-
DCN Mechanical /Piping Engineer
Houston, Texas
Job Title: DCN Mechanical /Piping Engineer Location: Houston, Texas Type: Full-time Compensation: $90,000.00 to $135,000.00 Contractor Work Model: Hybrid – onsite and remote Mechanical Equipment / Piping Engineer – Data Center Infrastructure Direct Hir...
Date Posted: 05/20/2026 Recommended
-
Controls Specialist
Abilene, Texas
Job Title: Controls Specialist Location: Abilene, Texas 79601, United States Type: Contract Responsibilities Perform controls system troubleshooting and maintenance to ensure optimal operation and safety. Assist in installation, calibration, and testin...
Date Posted: 07/02/2026 Recommended
-
Maintenance Technician
Mentor, Ohio
Job Title: Maintenance Technician Location: Mentor, Ohio Work Model: Onsite Hours: 3 openings for the 3 different shifts - Mon thru Friday 1030p - 630a, Tuesday thru Friday 230p - 1030p and Saturday 10am - 6 pm, Sunday 10am-6pm and Monday thru Thursday...
Date Posted: 06/08/2026 Recommended
-
Maintenance Technician (Pump Mechanic)
Quincy, MA
Title: Maintenance Technician/Pump Mechanic Location: Quincy, MA area Start Date: ASAP Duration: Direct Hire Salary: $27-$40 per hour based on experience Hours: Mon-Fri; 6am-2:30pm Degree/Experience: - High school graduate/GED (Post-secondary certifica...
Date Posted: 07/08/2026 Recommended
-
Rolling Stock Maintenance Technician
Pearl City, Hawaii
Job Title: Rolling Stock Maintenance Technician Location: Pearl City, Hawaii Type: Direct Hire Compensation: $28.65/hour Contractor Work Model: Onsite Hours: 40.0 hours per week Responsibilities Perform corrective, preventive, and unscheduled maintenan...
Date Posted: 04/23/2026 Recommended
-
Instrumentation Technician (E&I Technician)
Quincy, MA
Job Title: Instrumentation Technician (E&I Technician) Location: Quincy MA Type: Direct Hire Compensation: $25.00 to $52.00 Hourly Work Model: Onsite Hours: 40.0 Overview: Direct-hire, onsite Instrumentation Technician (E&I) role in Quincy, MA supporti...
Date Posted: 07/07/2026 Recommended
-
HVAC Technician
Midland , Texas
Job Title: HVAC Technician Location: Midland, Texas Type: Direct Hire Compensation: $24.00 - $32.00/hr Contractor Work Model: Onsite – onsite Overview The Stationary Engineer is responsible for maintaining, operating, monitoring, and repairing all util...
Date Posted: 06/09/2026 Recommended
-
Production Operator
Orangeburg, NY
Job Title: Production Operator – Medical Device / Diagnostics Manufacturing Location: Blauvelt, NY Contract Assignment – 6 months Pay rate: $21.00–$23.00/hour (depending upon experience) Work Model: Onsite Available Shifts (Monday–Friday) 1st Shift: 6:...
Date Posted: 06/08/2026 Recommended
-
Maintenance Technician
Austintown, Ohio
Job Title: Maintenance Technician Location: Austintown, OH Type: Direct Hire Contractor Work Model: Onsite – onsite Hours: 40.0; 2nd shift Overview Maintain and optimize manufacturing equipment and facilities through skilled multi-craft maintenance, en...
Date Posted: 05/21/2026 Recommended
-
Electrical Tech
Meadville, Pennsylvania
Job Title: Electrical Tech Location: Meadville, Pennsylvania Type: 6 Month Contract Compensation: $25-$35 per hour Hours: Monday - Friday starting at 6 AM (8-10 hour days) Overview We are seeking an Electrical Technician to support a busy manufacturing...
Date Posted: 07/09/2026 Recommended
-
Instrumentation Technician (E&I Technician)
Quincy, MA
Job Title: Instrumentation Technician (E&I Technician) Location: Quincy MA Type: Direct Hire Compensation: $25.00 To $52.00 Hourly Work Model: Onsite – onsite Hours: 40.0 Responsibilities Assist, direct or train workers to install, maintain, or repair ...
Date Posted: 07/07/2026 Recommended
-
Maintenance Technician
Latrobe, Pennsylvania
Job Title: Maintenance Technician Location: Latrobe, PA Type: Direct Hire Compensation: $47,800 - $56,000 Work Model: Onsite – onsite Hours: 40.0 Responsibilities • Perform troubleshooting, maintenance repairs, and preventive maintenance for all equipm...
Date Posted: 06/24/2026 Recommended
-
HVAC Technician - Conditioned Air License Contractor
Rincon, GA
Job Title: HVAC Technician - Conditioned Air License Contractor Location: Rincon, GA 31326 Type: Contract Compensation: $32.00 - $50.00 (DOE) Responsibilities Perform skilled mechanical maintenance duties in the inspection, repair, installation, and al...
Date Posted: 06/26/2026 Recommended
-
Senior Mechanical Engineer
Salt lake city, Utah
Job Title: Senior Mechanical Engineer Location: Salt Lake City, Utah Type: Contract To Hire Compensation: $67.30 - $79.32 per hour Work Model: Hybrid – onsite and remote Hours: 40.0 Responsibilities Lead the mechanical design and technical execution of...
Date Posted: 07/08/2026 Recommended
-
RAC System Design Engineer (Mechanical)
Bellevue, WA
Job Title: RAC System Design Engineer (Mechanical) $54 - $90 an hour Location: Remote 12 months with possible extension Position Overview System One is seeking a RAC System Design Engineer (Mechanical) to support the design and delivery of an advanced ...
Date Posted: 06/09/2026 Recommended
-
Senior Manufacturing Engineer
Batesburg-Leesville, South Carolina
Job Title: Senior Manufacturing Engineer Location: Batesburg-Leesville, South Carolina Type: Direct Hire Compensation: $115,000.00 - $130,000.00 Contractor Work Model: Onsite – onsite Overview The Senior Manufacturing Engineer, Industrial Engineering &...
Date Posted: 06/03/2026 Recommended
-
Equipment Technician
South Plainfield, NJ
Job Title: Equipment Technician Location: South Plainfield, NJ Type: Contract To Hire Compensation: $30-$32/hour Contractor Work Model: Onsite Hours: Monday through Friday (1st Shift) Equipment Technician Responsibilities: Will support, sustain, manage...
Date Posted: 05/28/2026 Recommended
-
Production Operator
Orangeburg, NY
Job Title: Production Operator Location: Orangeburg, NY Type: Contract Compensation: $23.00/hour Contractor Work Model: Onsite Hours: 1st, 2nd and 3rd Shifts Available Responsibilities Maintain all production areas in a clean, organized, and inspection...
Date Posted: 06/10/2026 Recommended