MODERNCONTROLS LLC.
HVAC Service Technician
Millersville, MD
Get past the screening software and onto a recruiter's desk
hirly rewrites your resume for this job — matching the keywords and skills in the posting, moving your most relevant experience to the top, and writing a cover letter to fit. About 30 seconds.
- Keywords matched to this posting
- Fit score before you apply
- Cover letter included
Matched against 2.5M live jobs from 200,000+ employers in 200+ countries.
Tailor my resume for this job →Apply from your AI assistant
Connect hirly to Claude and ask it to apply to this job. hirly tailors your resume, fills the employer’s form and asks before sending. ChatGPT: manual setup today.
Some employer sites stop an application at a CAPTCHA or sign-in and hand it back with a link. Applying needs a paid plan. Works with any assistant that supports MCP.
hirly's read of this role
- Role family
- Skilled trades
- Seniority
- Mid level
- Country
- US
- Work mode
- On-site / unstated
- First seen by hirly
- 26 Sept 2026
Derived automatically from the posting. Upload your resume above to see how the role scores against it.
the posting
Description
ModernControls is a leading provider of HVAC and building automation services for commercial facilities across Delaware, Pennsylvania, Maryland, and New Jersey. With over 200 employees and a fleet of more than 160 service vehicles, our team of experts installs, maintains, and designs Building Automation and HVAC systems that help facility managers control building environments, improve energy efficiency, and reduce operating costs.
The Service Technician is responsible for the installation, maintenance, troubleshooting, and repair of commercial HVAC equipment, chillers, mechanical systems, and Building Automation Systems (BAS). This role supports customers across a variety of facility types including healthcare, education, commercial office buildings, and industrial facilities.
Service Technicians work both independently and collaboratively to diagnose system issues, perform preventative maintenance, and ensure that HVAC and BAS systems operate safely, efficiently, and reliably. The position requires strong technical aptitude, a commitment to safety, and a customer-focused mindset.
Technicians represent ModernControls in the field and are expected to maintain a high level of professionalism while delivering quality service that supports long-term customer relationships and operational excellence.
Key Responsibilities
HVAC Service & Maintenance
Perform preventative maintenance, troubleshooting, and repair on commercial HVAC equipment including chillers, rooftop units (RTUs), air handling units (AHUs), boilers, pumps, and hydronic systems.
Diagnose mechanical and electrical faults using appropriate tools and testing equipment.
Perform system startups, inspections, and operational testing.
Replace defective components and ensure equipment operates within manufacturer specifications.
Maintain proper documentation of service work performed.
Building Automation Systems (BAS)
Assist with troubleshooting and servicing of building automation and controls systems.
Interface with BAS platforms to identify alarms, trends, and system performance issues.
Verify operation of sensors, actuators, control valves, and control sequences.
Coordinate with BAS engineers or controls specialists for advanced programming or system modifications.
Customer Service & Communication
Serve as a professional representative of the company while interacting with customers on job sites.
Communicate service findings, recommended repairs, and operational concerns to customers and internal management.
Maintain strong customer relationships through responsive and professional service delivery.
Documentation & Reporting
Complete detailed service reports and documentation for all work performed.
Record equipment conditions, parts used, and recommendations for future service.
Maintain accurate time and job reporting through company systems.
Safety & Compliance
Adhere to all company safety policies and OSHA regulations.
Utilize proper PPE and safe work practices when performing service activities.
Participate in safety meetings, training, and compliance programs.
Requirements
Qualifications
Education & Experience
High school diploma or equivalent required.
Technical or vocational training in HVAC, refrigeration, or mechanical systems preferred.
3+ years of experience servicing commercial HVAC equipment preferred.
Experience with building automation systems or controls is a plus.
Certifications
EPA Universal Certification preferred.
Additional manufacturer or BAS certifications are a plus.
Technical Skills
Strong understanding of HVAC mechanical and electrical systems.
Ability to read wiring diagrams, mechanical drawings, and control schematics.
Familiarity with BAS platforms and control devices preferred.
Proficiency with standard HVAC diagnostic tools and equipment.
Soft Skills
Strong problem-solving and troubleshooting abilities.
Excellent communication and customer service skills.
Ability to work independently while maintaining strong team collaboration.
Physical Requirements
Ability to lift and carry equipment up to 50 pounds.
Ability to climb ladders and work in mechanical rooms, rooftops, and confined spaces.
Ability to work in varying weather and environmental conditions.
Additional Requirements
Valid driver’s license with acceptable driving record.
Ability to participate in on-call service rotation.
Ability to travel locally between customer sites.
Similar jobs
- Service Technician CarpenterUslbm · Montrose, MNFirst seen today
- Field Service Technician 1Sunbeltrentals · Fredericksburg VA 22401First seen today
- Field Service Technician -Level 2Sunbeltrentals · Council HIll OK 74428First seen today
- Seasonal Service Technician/Advisor (Omaha West)Trekbikes · Omaha, NebraskaFirst seen today
- Service Technician/Advisor - Part TimeTrekbikes · Tallahassee, FloridaFirst seen today
Browse similar roles
Want this one?
Upload your resume and hirly rewrites it for this job and writes the cover letter — in about thirty seconds, before you sign up.
Tailor my resume for this job