ZipRecruiter

Log In

1

Direct Digital Control Jobs in Maryland (NOW HIRING)

Melwood

HVAC MECHANIC IV

Fort George G Meade, MD · On-site

$27 - $36.75/hr

... direct digital and pneumatic control systems 8. Checks distribution systems for proper velocity, volume, temperature, pressure, etc. 9. Balances air and water treatment systems 10. Determines cause ...

Montgomery College

MD · On-site

$26.84 - $34.89/hr

Repair, retrofit or install new direct digital control systems' (DDC) hardware. * Adjust boilers, chillers, air handling units, motor controls and refrigerant systems' operating parameters from their ...

Melwood, Inc.

$27 - $36.75/hr

... direct digital and pneumatic control systems 8. Checks distribution systems for proper velocity, volume, temperature, pressure, etc. 9. Balances air and water treatment systems 10. Determines cause ...

Melwood Veterans Services

$27 - $36.75/hr

... direct digital and pneumatic control systems 8. Checks distribution systems for proper velocity, volume, temperature, pressure, etc. 9. Balances air and water treatment systems 10. Determines cause ...

previous pagenext page

Showing results 21-40

All JobsDirect Digital Control JobsDirect Digital Control Jobs in Maryland

Direct Digital Control information

What is the difference between Direct Digital Control vs Building Automation Technician?

AspectDirect Digital ControlBuilding Automation Technician
CertificationsTypically requires HVAC, control system, or electrical certificationsOften holds HVAC, electrical, or building automation certifications
Work EnvironmentDesign, install, and program control systems in commercial or industrial settingsMaintain, troubleshoot, and operate building automation systems on-site
Industry UsageUsed by control system integrators, HVAC contractors, and facilities managersEmployed by building management companies, facilities teams, and contractors

Direct Digital Control specialists focus on designing and programming control systems, while Building Automation Technicians handle the operation and maintenance of these systems. Both roles require similar certifications and work in related environments, but their primary responsibilities differ in system design versus system upkeep.

What does a direct digital control do?

A direct digital control (DDC) technician or engineer manages and programs digital control systems that automate building operations such as heating, cooling, and lighting. They configure, troubleshoot, and maintain these systems using specialized software and tools to ensure efficient and reliable building performance.

What are popular job titles related to Direct Digital Control jobs in Maryland?

For Direct Digital Control jobs in Maryland, the most frequently searched job titles are:

What job categories do people searching Direct Digital Control jobs in Maryland look for?

The top searched job categories for Direct Digital Control jobs in Maryland are:

What cities in Maryland are hiring for Direct Digital Control jobs?

Cities in Maryland with the most Direct Digital Control job openings:

Direct Digital Control jobs near you
Infographic showing various Direct Digital Control job openings in Maryland as of August 2026, with employment types broken down into 100% Full Time. Highlights an 100% In-person job distribution.

HVAC/DDC Technician - Operations & Maintenance

System One

Catonsville, MD • On-site

$19.25 - $24.75/hr

Contractor

Medical, Dental, Vision, Life, Retirement

Re-posted 9 days ago

Key responsibilities

  • Support the operation, inspection, troubleshooting, and maintenance of HVAC and building automation systems.

  • Perform preventive maintenance activities on mechanical equipment such as boilers, chillers, and heat pumps, and monitor equipment performance.

  • Respond to service requests, diagnose equipment failures, and document repairs and system conditions.

Job description

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

System One logo

About System One

Sourced by ZipRecruiter

System One helps employers get work done more efficiently and economically without compromising quality. Over our 35+ year history, we've helped connect thousands of talented people with innovative companies. The excitement of a perfect fit motivates us every single day.

Industry

Business consulting services and recruiting and staffing services

Company size

5,001 - 10,000 Employees

Headquarters location

Pittsburgh, PA, US

View All System One Jobs