HVAC Technician

Tessera; Oak Ridge (MO); On-site; USD 41,328 - 56,481; Full time

Benefits offered by this job

Health insurance

Welfare benefit

FSA accounts

Holidays & vacation

Bonus potential

Tuition assistance

Professional development

Verizon discount

EAP

PSLF eligibility

Job summary

Tessera in Oak Ridge, TN is seeking a skilled HVAC technician for DOE-related work. You will install, service, and test HVAC systems, including large units, and communicate with customers on repairs.

Requires 3+ years of HVAC experience, EPA certification, and the ability to obtain a DOE security clearance. The role offers a comprehensive benefits package and opportunities for professional development.

Qualifications

• Associate degree preferred.
• Minimum three (3) years of HVAC experience.
• Must obtain and maintain an HVAC and/or EPA certification; journeyman certification preferred.
• Must obtain and maintain an “L” level security clearance with the Department of Energy.

Responsibilities

• Connect HVAC components to control panels, install air and water filters, and inject refrigerant to test systems.
• Observe pressure and vacuum gauges, adjust controls, test for gas leaks, and secure insulation.
• Repair installed units, including large air conditioners up to twenty tons.
• Perform preventative maintenance on HVAC equipment.
• Use diagrams and drawings for repairs and maintenance.
• Install and clean filters, and program thermostats.
• Fabricate and install ductwork and chassis parts.
• Communicate with customers about repairs and explain additional work.
• Respond to inquiries and ensure work meets quality standards.
• Diagnose HVAC issues and coordinate repair estimates with schedulers.

Skills

HVAC experience

EPA certification

Journeyman certification

Education

Associate degree preferred

Job description

Position Overview

Location: Oak Ridge, Tennessee – Department of Energy

Type: Non-Exempt

Work Schedule: Full-Time, Day Shift

Compensation: $35.22 per hour

Benefits: Comprehensive compensation and benefits package for part‑time and full‑time employees, including:

• Medical, Dental, Vision, 401(k) retirement plan, Life & Short-Term Disability Insurance
• $6.45 per hour Health and Welfare Benefit
• Flexible Spending Accounts for both medical and dependent care
• 11 paid federal holidays, 12 paid days of vacation, paid sick leave
• Potential shared earning bonus
• Tuition assistance after 1 year of employment and potential scholarships for qualified dependents
• Professional development, certifications, and training opportunities
• Verizon wireless discount
• Employee Assistance Program (EAP) and engaging wellness program
• Public Service Loan Forgiveness eligibility for full-time employees

Responsibilities

• Connect HVAC components to control panels, install air and water filters, and inject refrigerant to test systems.
• Observe pressure and vacuum gauges, adjust controls, test for gas leaks, and secure insulation.
• Replace defective control components and repair installed units, including large air conditioners up to twenty tons.
• Perform preventative maintenance on heating, ventilation, and air conditioning equipment.
• Utilize wire diagrams, schematics, blueprints, and drawings for repairs and maintenance.
• Install and clean air and water filters, and program thermostats.
• Fabricate, assemble, and install ductwork and chassis parts.
• Communicate with customers about repairs, determine needs, and explain additional work.
• Respond to customer inquiries and complaints, ensuring completed work meets quality standards.
• Diagnose HVAC issues, propose solutions, and coordinate repair estimates with schedulers.

Qualifications

• Associate’s degree preferred.
• Minimum three (3) years of HVAC experience.
• Must obtain and maintain an HVAC and/or EPA certification; journeyman certification preferred.
• Must obtain and maintain an “L” level security clearance with the Department of Energy.

Physical Requirements

• Ability to lift and/or move up to 50 pounds.
• Capability to reach, kneel, walk, stand, and use repetitive motion for several hours.
• Routine climbing in and out of vehicles and stairs.
• Perseverance to work under pressure for extended periods.

Additional Requirements

• Valid state driver’s license with coverage under Tessera’s insurance.
• Real‑ID compliant driver’s license or acceptable alternative (U.S. passport or military ID) for federal installation access.
• Background check and E‑Verify will be conducted.
• DOE pre‑employment medical examination and drug screening are required.

Application Information

To apply, visit www.tessera.org to complete an application.

Date Posted: 06/29/2026

Equal Opportunity Statement

Tessera is an Equal Opportunity Employer – Women, Minority, Veteran, Disabled. Tessera participates in E‑Verify.

If you require an accommodation or support, please contact us at (360) 475‑0756 ext. 349 or email [e-mail].