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Union Building Engineer Jobs in Frederick, MD (NOW HIRING)

KBR

Network Engineer

Dulles, VA · On-site

$172K - $211K/yr

Experience building, deploying, and maintaining Cisco ACI environments * Recent experience with IOS ... union status and/or beliefs, or any other characteristic protected by federal, state, or local law.

KBR, Inc.

Network Engineer

Dulles, VA · On-site

$172K - $211K/yr

Experience building, deploying, and maintaining Cisco ACI environments * Recent experience with IOS ... union status and/or beliefs, or any other characteristic protected by federal, state, or local law.

TransCore

Sr Director, Quality Engineering

Germantown, MD · On-site

$175K - $225K/yr

... Maryland or Union, New Jersey. Position Summary: The Sr. Director of Quality Engineering is ... building a high-performing quality engineering function that partners closely with Product ...

Leidos

Jr Software Developer

Gaithersburg, MD · On-site

... union types. * Proven experience designing, developing, and maintaining software applications used ... Experience building, packaging, and deploying software applications in Linux environments using RPM ...

Southland Industries

Commissioning Specialist

Dulles, VA · On-site

Bachelor's degree in Engineering, Construction or related field preferred or applicable experience ... Knowledge of other building systems (fire, plumbing, lighting, etc.) preferred * Good attention to ...

Hahn's of Westminster

Be Seen First

Maintenance Mechanic

Westminster, MD · On-site

$21 - $25/hr

This is a union position and offers an exciting opportunity to apply your mechanical, electrical ... Operate and program programmable logic controllers (PLCs) to support automation processes.

NTI

Area Superintendent

Rockville, MD · On-site

Coordinates with project managers, engineers, and subcontractors to manage labor, material, and ... Strong ability to lead, direct, and motivate, especially with union labor or multiple trades.

NTI

Area Superintendent

Rockville, MD · On-site

Coordinates with project managers, engineers, and subcontractors to manage labor, material, and ... Strong ability to lead, direct, and motivate, especially with union labor or multiple trades.

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Showing results 1-20

All JobsUnion Building Engineer JobsUnion Building Engineer Jobs in Frederick, MD

Union Building Engineer information

See Frederick, MD salary details

$17

$32

$52

How much do union building engineer jobs pay per hour?

As of Aug 7, 2026, the average hourly pay for union building engineer in Frederick, MD is $32.16, according to ZipRecruiter salary data. Most workers in this role earn between $25.34 and $36.35 per hour, depending on experience, location, and employer.

What is a union building engineer?

Union Building Engineers are skilled professionals responsible for the operation, maintenance, and repair of building systems, such as heating, ventilation, air conditioning (HVAC), plumbing, and electrical systems, in commercial or residential properties. They are members of a labor union, which often provides them with benefits like collective bargaining, job security, and specialized training. Their daily tasks include troubleshooting equipment, performing preventive maintenance, and ensuring that facilities operate efficiently and safely. Union Building Engineers play a critical role in maintaining the comfort and functionality of buildings, often working closely with property managers and other maintenance staff.

What is the difference between Union Building Engineer vs Maintenance Technician?

AspectUnion Building EngineerMaintenance Technician
CertificationsRelevant HVAC, electrical, or plumbing licenses; often union-certifiedBasic HVAC, electrical, or plumbing certifications; may be non-union
Work EnvironmentLarge commercial or institutional buildings, unionized settingsVariety of settings including residential, commercial, or industrial
Employer & Industry UsagePrimarily in unionized facilities like hospitals, schools, government buildingsWidely used across industries, often non-union

The Union Building Engineer typically has union certifications and works in large, unionized facilities maintaining complex building systems. Maintenance Technicians often have similar certifications but work in a broader range of environments, including non-union settings. The key difference lies in union affiliation and the scope of responsibilities within large institutional buildings.

What skills and qualifications are needed to thrive as a union building engineer?

To thrive as a Union Building Engineer, you need a strong background in building systems maintenance, HVAC, electrical, and plumbing, often backed by a technical diploma and union apprenticeship or journeyman status. Familiarity with building automation systems, preventative maintenance software, and relevant safety certifications such as OSHA are typically required. Excellent problem-solving abilities, reliability, and effective communication set standout candidates apart in this role. These skills ensure safe, efficient building operations and rapid response to maintenance issues, which are critical for occupant comfort and regulatory compliance.

What challenges do union building engineers face when managing older facilities?

Union Building Engineers working in older facilities often encounter challenges such as outdated mechanical systems, limited access to replacement parts, and the need to comply with current safety and energy regulations. Troubleshooting legacy HVAC, electrical, or plumbing systems requires both technical expertise and creative problem-solving. Collaboration with vendors, contractors, and the facilities management team is essential to prioritize upgrades while minimizing downtime for tenants or building occupants.
What cities near Frederick, MD are hiring for Union Building Engineer jobs? Cities near Frederick, MD with the most Union Building Engineer job openings:
Union Building Engineer jobs near you
Infographic showing various Union Building Engineer job openings in Frederick, MD as of August 2026, with employment types broken down into 84% Full Time, 13% Part Time, and 3% Contract. Highlights an 82% Physical, 2% Hybrid, and 16% Remote job distribution, with an average salary of $66,900 per year, or $32.2 per hour.

Software Engineer

Texas State Library and Archives Commision

Germantown, MD • On-site

Full-time

Re-posted 19 days ago

Job description

Job Title : Senior Software Engineer
Location : Union, NJ, Germantown, MD , Dallas,TX and Houston,TX
We are seeking a Software Engineer with experience in modern .NET development and cloud-native architectures. This is a hands-on engineering role focused on designing, building, and maintaining high-performance, scalable microservices using .NET Core, Docker, Kubernetes, RabbitMQ, and SQL Server.
You will work in a collaborative Agile environment, contributing to new feature development, application modernization, and deployment automation efforts.
Key Responsibilities:
  • Design, develop, and deploy scalable backend services using .NET Core
  • Develop containerized applications using Docker and orchestrate them in Kubernetes
  • Integrate distributed services through RabbitMQ or other messaging systems
  • Optimize database queries and schema design for SQL Server
  • Participate in architecture discussions, code reviews, and sprint planning
  • Implement and maintain CI/CD pipelines in collaboration with DevOps
  • Ensure application reliability, security, and performance in a production environments.

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