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Lonestar Electric Supply

Wholesale electrical distributor with design services

Electrical Control Panel Assembler

Full-Time
No salary listed
Mid
Houston, TX, USA
In Person
Manufacturing & Production OperationsProduct Assembly

About the job

Requirements
  • A high school diploma or GED equivalent is required.
  • Previous experience building and wiring industrial electrical control panels is required.
  • A strong understanding of industrial electrical components, control systems, and accepted electrical fabrication and wiring practices is required.
  • Experience with relays, contactors, soft starters, variable frequency drives, motor starters, overloads, and related industrial control equipment is required.
  • Experience building or assembling switchgear, power panels, motor control centers, or motor control center buckets is required.
  • The ability to read and interpret electrical schematics, wiring diagrams, panel layouts, bills of material, and related engineering documentation is required.
  • Working knowledge of UL 508A requirements and industrial control panel construction is required.
  • Working knowledge of National Electrical Code requirements applicable to industrial control panels and related electrical equipment is required.
  • The ability to accurately measure, lay out, drill, cut, mount, wire, terminate, and label panel components is required.
  • Proficiency with standard hand and power tools used in electrical panel fabrication and assembly is required.
  • Strong attention to detail, organization, and commitment to quality workmanship are required.
  • The ability to identify wiring, component, and assembly issues and assist with troubleshooting and practical problem resolution is required.
  • The ability to work independently while collaborating effectively within a shop or production team is required.
  • The role may require lifting, carrying, pushing, or moving materials weighing up to 50 pounds.
  • The role regularly involves working around moving mechanical parts and in warehouse or shop conditions that may not always be climate-controlled and may include heat and humidity.
  • The role requires standing, walking, bending, reaching, and performing repetitive hand and arm movements for extended periods.
  • The role requires manual dexterity, hand-eye coordination, and stamina to safely perform assembly and fabrication tasks.
  • The role requires safely operating tools, equipment, and machinery used in electrical assembly and pre-fabrication activities.
Responsibilities
  • Fabricate, build, assemble, and wire industrial electrical control panels, power distribution panels, switchgear, motor control center buckets, operator interface stations, and related electrical assemblies according to engineering drawings and project specifications.
  • Install and wire industrial electrical components, including relays, contactors, variable frequency drives, soft starters, circuit breakers, disconnects, terminal blocks, control transformers, overload relays, programmable logic controller and input/output components, and operator-interface devices.
  • Lay out electrical components on panel backplates, considering wiring, heat dissipation, accessibility, serviceability, and applicable electrical standards.
  • Measure, cut, and install wiring duct, DIN rail, wireway, and other panel hardware.
  • Mount electrical components using appropriate fabrication and assembly methods.
  • Lay out and install front-door operator interfaces, including pushbuttons, selector switches, pilot lights, human-machine interfaces, meters, and other control devices.
  • Perform point-to-point wiring, wire routing, termination, labeling, and wire dressing in accordance with electrical drawings, company standards, and applicable industry practices.
  • Read and interpret electrical schematics, wiring diagrams, panel layouts, bills of material, and related engineering documentation to complete assemblies accurately and efficiently.
  • Verify completed wiring against electrical drawings and perform visual inspections, continuity checks, and quality-control reviews to confirm workmanship, accuracy, and compliance with project specifications.
  • Assist with panel testing and troubleshooting to identify wiring, component, or layout issues, and communicate drawing discrepancies or technical concerns to engineering or supervision.
  • Maintain clean, organized, and safe workstations while adhering to company safety standards and procedures.
  • Collaborate with production leads, shop management, engineering personnel, and other team members to resolve assembly questions, address drawing discrepancies, and support production schedules.
  • Follow safety protocols applicable to manufacturing, warehouse, and electrical assembly environments.
  • Perform other duties as assigned by management.
Desired Qualifications
  • Experience with UL 508A-compliant industrial control panel construction is preferred.
  • Experience with programmable logic controller control panels and industrial automation equipment is preferred.
  • Experience installing and wiring human-machine interfaces and other operator-interface equipment is preferred.
  • Experience with motor control centers, motor control center buckets, switchgear, and power distribution equipment is preferred.
  • Experience troubleshooting industrial control circuits and electrical systems is preferred.
  • UL 508A certification or formal training is a plus.
  • An electrical journeyman license or equivalent industrial electrical experience is a plus.

About the company

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Lonestar Electric Supply

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Lonestar Electric Supply is a wholesale distributor of electrical supplies based in Houston, Texas, serving commercial, residential, and industrial contractors since 2015. It provides a broad range of electrical products and value-added services beyond basic distribution, including lighting and controls design, code compliance analysis, submittal packages, and project management to coordinate material delivery and budgeting. The company differentiates itself through strong customer service, deep product knowledge, robust vendor relationships, and efficient logistics, supported by specialized divisions (Lonestar Equipment Solutions, Lonestar Integrated Solutions, Lonestar Electric Industrial Supply) and a focus on high-growth sectors like data centers, oil & gas, and large solar projects. Its goal is to expand its regional footprint across the southern United States while continuing to offer end-to-end solutions that help contractors plan, source, and execute electrical projects.

Company Size

501-1,000

Company Stage

N/A

Total Funding

N/A

Headquarters

Houston, Texas

Founded

2015

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Benefits

  • Health Insurance
  • Dental Insurance
  • Vision Insurance
  • 401(k) Retirement Plan
  • 401(k) Company Match
  • Paid Time Off
  • Specified Holiday Pay

Company News

EWW Magazine
Oct 8th, 2026
Lonestar Electric Expands into Alabama with Acquisition of Redstone Electric Supply

 Lonestar Electric Supply, Houston, TX,  has acquired Huntsville, AL-based Redstone Electric Supply, marking the Houston company’s entry into Alabama and further...