Full-Time

Senior HVAC/Refrigeration Laboratory Technician

Updated on 9/4/2026

UL Solutions

UL Solutions

10,001+ employees

Global safety testing, certification, and inspection

Compensation Overview

$54.6k - $72.8k/yr

Northbrook, IL, USA

In Person

Bachelor's, Associate's

Category
Manufacturing Quality & Test (1)

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Requirements
  • 2 years University education in a related discipline or Engineering (in related field of work) or 4-year University degree in other field
  • Effective communication skills and ability to interact with customers
  • EPA certification for Refrigerant transition and recovery
  • Proven ability to be innovative and creative
  • Ability to use Microsoft Office suite is a must
  • Ability to incorporate automation into day-to-day testing
Responsibilities
  • Examines test samples and reads measuring instruments, blueprints, schematics, wiring diagrams, and operational instructions.
  • Evaluates test performance, provides feedback regarding issues and/or problems with test and data sheets and reviews test and construction data with supervisor and/or lab work requestor as appropriate.
  • Operates with minimal supervision within defined limits of responsibility.
  • Directs, builds and/or adapts setup and test equipment to new situations, based on data sheets and instructions from engineering department personnel.
  • Trains staff in test setups and test methods.
  • Initiates recommendations for new equipment designs and recommends solutions to observed test problems.
  • Operates designated machines and special laboratory equipment.
  • Performs routine maintenance of designated test equipment and laboratory area.
  • Receives instructions from and reports data to engineers and other laboratory personnel.
  • Communicates with clients during the setup and performance of a test to demonstrate or otherwise illustrate equipment test methods and/or to discuss test results.
  • May communicate with UL field representatives to discuss follow-up tests, samples, equipment, methods and/or results.
  • Communicates with the appropriate department personnel to offer suggestions pertinent to equipment needs.
  • Records observed or calculated data on appropriate UL forms and prepare data sheets and test reports.
  • Plans tests, evaluates test results and reports opinions and interpretations.
  • May assist PDEs and/or Engineering to modify existing methods or develop and validate new test methods.
  • Provides training and assist others in the laboratory.
  • Reads and understands test standards and testing technology for specific tests.
  • Integrates continuous improvement concepts and techniques into all aspects of the job.
  • Read and follow the Underwriters Laboratories Code of Conduct and follow all physical and digital security practices.
  • Performs other duties as directed.
Desired Qualifications
  • Desire to work in a team-oriented environment

UL Solutions tests, inspects, and certifies products and systems to ensure they are safe, secure, and sustainable across electronics, mobility, cybersecurity, and energy. It uses rigorous laboratory tests and conformity assessments to issue the UL Mark on products that pass, guiding manufacturers through compliance and safety improvements. Its long history since 1894, its move to a for-profit structure and IPO in 2024, and its global scope across risk domains set it apart from peers. The goal is to help companies navigate complex supply chains and bring safer, more reliable products to market.

Company Size

10,001+

Company Stage

IPO

Headquarters

Northbrook, Illinois

Founded

1894

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Simplify Jobs

Simplify's Take

What believers are saying

  • August 4, 2026 revenue rose 5.2% to $816 million with 6.6% organic growth.
  • Hydrogen certification launched May 6, 2026 taps infrastructure spending across valves and hoses.
  • Data-centre, electrification, and automotive testing demand drove double-digit growth in 2026.

What critics are saying

  • A February 11, 2026 class action targets UL certifications, threatening core brand credibility.
  • Shares fell after August 4, 2026 results because elevated capex and compensation pressured margins.
  • SGS and Intertek can commoditize testing, squeezing pricing as customers multi-source certification work.

What makes UL Solutions unique

  • UL Solutions’ UL Mark remains a century-old trust signal across consumer and industrial products.
  • Toyota City lab, opened July 1, 2026, deepens high-voltage automotive EMC specialization.
  • Retail Total Access and UL 360 tie certification data to recurring compliance workflows.

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Benefits

Health Insurance

Dental Insurance

Vision Insurance

401(k) Retirement Plan

Paid Vacation

Paid Holidays

Paid Sick Leave

Hybrid Work Options

Remote Work Options

Wellness Program

Mental Health Support

Company News

Business Wire
Aug 24th, 2026
UL Solutions launches Retail Total Access software to help retailers manage supply chain quality

UL Solutions has launched Retail Total Access, a software platform designed to help retailers manage product quality and supply chain risk through unified data visibility. The platform consolidates testing, inspection, and audit information into a single system, enabling teams to monitor supplier performance and identify recurring issues. The software addresses common challenges retailers face, including limited supplier visibility and disconnected systems. It allows users to track which vendors are performing well, identify repeat failures, monitor shipment delays due to quality issues, and assess regional risk levels. Retail Total Access includes tools for submitting requests, tracking progress, accessing reports, managing failures, and reviewing performance analytics. The platform was developed based on customer input and will continue evolving to support changing quality and compliance needs across global supply chains.

Yahoo Finance
Aug 13th, 2026
UL Solutions beats EPS estimates despite margin pressures from higher compensation and restructuring costs

UL Solutions reported second-quarter revenue of $816 million, meeting analyst expectations, with adjusted earnings per share of $0.59 beating estimates of $0.56. The company posted 5.2% year-on-year revenue growth and maintained an operating margin of 18.4%. CEO Jennifer Scanlon attributed performance to demand across Industrial and Consumer segments, driven by electrification, automation, and energy transition. The company saw double-digit growth in data centre-related power and automation services. However, higher employee compensation, incentives, and professional fees pressured margins. CFO Ryan Robinson said integration expenses and performance-based compensation created near-term headwinds, though management reaffirmed its full-year margin outlook. Despite meeting expectations, the market reacted negatively to the results.

Yahoo Finance
Aug 4th, 2026
UL Solutions reports Q2 2026 revenue up 5.2% to $816M with 161.9% net income growth

UL Solutions Inc. reported strong second quarter 2026 results with revenue growing 5.2% to $816 million, driven by 6.6% organic revenue growth led by Industrial and Consumer segments. Net income surged 161.9% to $254 million, whilst adjusted net income increased 17.3% to $129 million. The company's net income margin expanded to 31.1%, up 1,860 basis points year-over-year, boosted by the sale of its Employee Health and Safety software business. Adjusted EBITDA rose 11.2% to $219 million, with margin expansion of 140 basis points to 26.8%. Diluted earnings per share climbed 168.9% to $1.21, and adjusted diluted earnings per share increased 13.5% to $0.59. CEO Jennifer Scanlon highlighted the company's alignment with megatrends and strong positioning for the remainder of 2026.

Yahoo Finance
Jul 3rd, 2026
UL Solutions joins Russell indices, opens Toyota City lab to expand automotive testing

UL Solutions has been added to multiple Russell indices, including the Russell 1000, 3000 and Midcap families, and opened a new automotive electromagnetic compatibility laboratory in Toyota City, Japan. The facility expands the company's advanced vehicle testing capabilities. The developments follow UL Solutions' first hazardous-location robot certification for ExRobotics' ExR-2.5, demonstrating the company's expansion into emerging automation testing. These moves strengthen its position in safety-critical testing across automotive, industrial and robotics markets. The company's narrative projects $3.7 billion revenue and $571.2 million earnings by 2029, requiring 6% annual revenue growth. However, investors should note that higher capital intensity and tax changes may impact reported earnings despite the expanded global laboratory footprint.

Business Wire
Jun 25th, 2026
UL Solutions opens automotive EMC laboratory in Japan's Toyota City

UL Solutions has opened a new automotive electromagnetic compatibility laboratory in Toyota City, Japan, beginning operations on 1 July. The 2,323-square-metre facility will provide EMC testing to help manufacturers protect vehicles from interference affecting critical systems like braking and steering. The Automotive Technology and Innovation Centre is among few EMC laboratories in Japan equipped for high-voltage, high-current, high-torque and high-speed rotational testing. Its chambers can handle up to 25,000 RPM and power supplies delivering up to 1,500 volts and 1,000 amps. Located in Japan's Tokai region, the facility strengthens UL Solutions' global EMC testing network and supports automakers in the world's third-largest vehicle market, which produced over 8 million vehicles in 2025.