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/A5N7dK
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
-
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
-
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
-
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
-
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
-
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: 07/20/2026 Recommended
-
Professional Mechanical Engineer
Englewood, CO
Mechanical Engineer – HVAC Systems (PE Preferred) Location: Denver, CO Salary: $120,000–$150,000 annually (DOE) Schedule: Full-Time | Hybrid Work Available Relocation Assistance: Available Design High-Performance HVAC Systems We are seeking an experien...
Date Posted: 07/20/2026 Recommended
-
BAS Technician
Chippewa Falls, WI
BAS Technician Job Title: BAS Technician Location: Chippewa Falls, WI (on-site) Type: Direct Hire Schedule: 40 hours/week Travel: Local travel to job sites in the Milwaukee area (valid driver’s license required) Overview We are seeking a Building Autom...
Date Posted: 07/31/2026 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
-
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
-
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
-
Facilities Specialist
Rockville, MD
Job Title: Facilities Specialist Location: Rockville, MD Hours/Schedule: Part-Time (24 hours/week + Rotating On-Call Coverage); schedule is flexible Compensation: $28.00–$34.00/hour (+ $3/hour on-call pay) Type: Contract Overview Our client, a growing ...
Date Posted: 07/15/2026 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
-
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: 07/24/2026 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
-
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
-
HVAC Service Technician
Fort Worth, AZ
Job Title: Commercial HVAC Service Technician III Location: Dallas/Fort Worth, TX Job Type: Direct Hire | Full-Time Pay: Up to $44/hour DOE + Company Truck Job Summary We are seeking two experienced Commercial HVAC Service Technicians to join a well-es...
Date Posted: 07/28/2026 Recommended
-
HVAC Service Technician
Tucson, AZ
Commercial HVAC Service Technician Location: Tucson, AZ Pay: $30.00–$45.00 per hour (based on experience) Job Type: Full-Time Join Our Team We are seeking an experienced Commercial HVAC Service Technician to join our growing team in Tucson, Arizona. If...
Date Posted: 07/15/2026 Recommended
-
HVAC Service Technician
Westminster, CO
Commercial HVAC Service Technician Location: Denver Metro Area, CO Pay: $35.00–$55.00 per hour (Based on Experience) Job Type: Full-Time Join a Team That Values Skilled Technicians We're looking for an experienced Commercial HVAC Service Technician to ...
Date Posted: 07/20/2026 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
-
Test Technician
Baltimore, Maryland
Job Title: Test Technician Location: Baltimore, Maryland Type: Contract To Hire Compensation: $24 hourly Contractor Work Model: Onsite Main Accountabilities Core purpose: This is a classification performing skilled, repair and modification on all elect...
Date Posted: 07/16/2026 Recommended
-
Sr. Process Engineer
Morgantown, West Virginia
Job Title: Sr. Process Engineer Location: Morgantown, WV Type: Direct Hire Compensation: Work Model: Onsite – onsite Responsibilities Lead, design, install, commission, maintain, and improve low-acid aseptic process and equipment. Implement and maintai...
Date Posted: 07/02/2026 Recommended
-
Control Room Operator
Corpus Christi, Texas
Job Title: Control Room Operator Location: Corpus Christi, Texas Type: Direct Hire Work Model: Onsite – onsite Responsibilities Monitor instruments, gas turbines, steam conditions, and generator loads from control panels. Issue and manage lockout/tag-o...
Date Posted: 07/31/2026 Recommended
-
HVAC Service Technician
Fort Collins, CO
Commercial HVAC Service Technician Location: Fort Collins, CO Type: Direct Hire Pay: $32-$48/hr DOE Overview: Our client is seeking an experienced Commercial HVAC Service Technician to troubleshoot, repair, maintain, and install commercial HVAC equipme...
Date Posted: 07/16/2026 Recommended
-
Maintenance Technician
Eatontown, NJ
Job Title: Maintenance Technician Location: Eatontown, NJ Type: Full-time, direct hire Compensation: $65,000.00 to $68,000.00 Work Model: Onsite Hours: 2nd Shift: Monday – Friday, 2:00 PM – 10:30 PM Maintenance Technician Responsibilities: Perform rout...
Date Posted: 07/31/2026 Recommended
-
Project Coordinator/Shift Supervisor
Lynchburg, Virginia
Coordinate and supervise all activities associated with the reactor cavity seal table during Pressurized Water Reactor (PWR) refueling outages. Direct installation, operation, maintenance, and removal of seal table systems while ensuring personnel safe...
Date Posted: 07/01/2026 Recommended
-
Electronics Technician
Pittsburgh, Pennsylvania
Job Title: Electronics Technician Location: Pittsburgh, PA Type: Contract To Hire Compensation: $23.00 - $24.00 per hour Contractor Work Model: Onsite – onsite Hours: 40.0 hours per week Overview The Electronic Technician performs electronic repairs on...
Date Posted: 06/05/2026 Recommended
-
System Design Engineer, EM Pump
Bellevue, WA
Job Title: System Design Engineer, EM Pump Location: Bellevue, WA Type: Contract Compensation: $69.00 - $115.00 Work Model: Remote – offsite Hours: 40.0 Overview: System One is seeking an experienced System Design Engineer to support the design, fabric...
Date Posted: 07/29/2026 Recommended