Performs work on energized circuits up to 15,000 volts.
Installs aerial and pad mounted transformers and related switchgear.
Performs layout and supervision of small line construction projects.
Requisitions materials and supplies; schedules heavy vehicles when not done by Line Foreperson.
Working 40 hours/week, scheduled in 8 to 10-hour shifts.
Performs layout and supervision of duct banks and cable installations.
Assures that quality and productivity meet Company and customer standards.
Properly installs and terminates primary (5 KV and up) cables.
Keeps abreast of new developments and techniques in the electrical construction trade.
Complies with Company standards of conduct and appearance to reflect positively on the Company image.
Installs power poles and guys with all related cross arms, insulators and hardware.
Assures that appropriate on-the-job training takes place for all subordinates.
Reads and interprets outdoor electrical distribution system drawings.
Erects steel substation structures in accordance with erection drawings.
Recommends improved methods of operation.
Performs basic rigging associated with the installation of switchgear, transformers, steel structures, etc.
Makes correct transformer connections.
Assures compliance with the National Electric Code (NEC) and National Electric Safety Code (NESC).
Safeguards and maintains Company equipment and tools.
Installs substation ground grid systems.
Requirements
class a cdl
nec
nesc
4+ years
pronav
apprenticeship
High school diploma or equivalent.
Standing and climbing 4 to 6 hours/day.
Understands general line construction standards and procedures for primary and secondary installations.
Maintain a valid commercial driver’s license-Class A and a history of safe driving.
Ability and willingness to travel nationally to jobsites.
Must purchase Company required personal tools (see attached list) and maintain in good condition.
Understands characteristics and correct installation procedures of high voltage cable including terminating and splicing.
Lifting weights of 0 to 100 lbs. at the following frequencies: continuous lifting of 10 to35 lbs.; frequent lifting of 35 to 50 lbs.; occasional lifting of 50 to 100 lbs.; sizes & shapes of objects vary from concrete blocks to cylinders to 20' lengths of conduit; average carry requirements, 60 lbs. for 40'.
Ability to properly lay out and administer small jobs (normally one to three men)
Demonstrated proficiency in the safe operation of line and bucket trucks, trenchers, and backhoe.
Maintains current CPR card.
Vision adequate for blueprint reading and color-coding for wire identification.
Minimum of four years spent primarily in the aerial line and underground power construction field.
Environmental factors include working in: temperature extremes of 0° F to 100° F; up to 8 hours inside or outside; atmospheric exposure to dust, gases, fumes, odors; and poor Ventilation in confined spaces.
Squatting and sitting 1 to 2 hours/day.
Twisting (180° ) and walking 2 to 3 hours/day.
Repetitive use of feet is required for operating heavy equipment, conduit benders and vertical climbing.
Kneeling, lifting, reaching above shoulders, and bending (90° ) 4 to 5 hours/day.
Good working knowledge of the National Electric Code (NEC) and National Electric Safety Code (NESC).
Knowledge of various types of dielectric insulating fluids.
Demonstrated ability to use basic electrical measuring and testing equipment (megger, volt, amp and ohm meters).
Ability to operate a computer or tablet in order to enter information into Tri-M’s ProNav system.
Follows and understands proper safety and temporary grounding procedures.
Personal protective equipment includes use of hard hat, safety glasses, protected-toe boots, and appropriate gloves for the task. Equipment on an "as needed" basis may include fall protection, dust mask, respirator, hearing protection, arc flash protective gear, and dielectrically insulated gloves and/or sleeves, etc.
Ability to size, install and connect single- and three-phase transformers utilizing standard connections.
Ability and willingness to stay away on job sites for up to two weeks if needed.
Completion of apprenticeship program modified for lineperson.
Ability to lift from floor to above shoulder.
Balance adequate for continuous climbing of ladders, scaffolds, and lifts.
Must have reliable personal transportation to and from the assigned work location/office.
Understands operation and troubleshooting procedures for distribution system.
Repetitive use of hands includes: continuous grasping up to 50 lbs.; frequent pushing and pulling of 50 to 75 lbs.; and fine motor coordination for receptacle installation and wire terminations.
Strings aerial conductors with proper sags and tensions.
Benefits
401k Retirement Program with Company Match
Fair and competitive pay
Comprehensive Medical, Prescription, Vision and Dental Insurance
Seven Paid Holidays
Vacation/Sick Leave
Employee Assistance Program
HRA Spending Account
Employer-paid Life and AD&D Insurance
Training + Development
Information not given or found
Interview process
Information not given or found
Visa Sponsorship
applicants must already be authorized to work in the united states; no employer-sponsored visa will be provided.
Security clearance
Information not given or found
Company
Overview
$171M+
Annual Revenue
The company has achieved estimated revenues of over $171 million per year.
100%
Employee Ownership
The company transitioned to full employee ownership through an Employee Stock Ownership Plan (ESOP).
Founded in 1964 by two brothers as a small industrial/commercial electrical contractor
Headquartered in Pennsylvania with offices in DE and MD
Diversified into automation, high-voltage systems, networks, security, and energy analytics
Handles large-scale facility and infrastructure projects from integrating building automation and high-voltage electrical systems to implementing secure data and telecom networks
Proprietary online tool, ProNav, offers clients real-time project navigation and service tracking
Leadership includes long-serving internal hires; for example, the current CEO began as an apprentice electrician and rose through the ranks
Repurchased by its founder after a brief sale, reflecting a strong ownership legacy and entrepreneurial spirit
Culture + Values
We lead with safety
Do the right thing, always
Find solutions together
Exceed expectations with superior service
Empower a better future
Think safe. Work safe
Make quality personal
Be a problem-solver
Go the extra mile
Be easy to work with
Be positive
Be a lifelong learner
Consider risk an opportunity
Bring your “A-game” every day
Think team first
Honor commitments
Deliver results
Support the field
Do it right the first time
Be quick to respond
Think and act like an owner
Listen to understand
Be straightforward
Share information
Walk in your customer’s shoes
Treat each other like family
Face challenges head-on
Show meaningful appreciation
Act decisively
Work smart
Embrace change and growth
Take pride in the Tri-M brand
Be a mentor
Keep things fun
Environment + Sustainability
Invests Over $1 Million
Annual Investment in Safety and Training
The company allocates over $1 million each year to ensure compliance with safety standards and training programs, including adherence to NFPA 70E.
No net‑zero target date publicly stated
No specific environmental strategy or greenhouse gas reduction goals found on website or LinkedIn
No published data on energy use, emissions, waste diversion or renewable procurement
Inclusion & Diversity
Affirms EEO compliance by considering candidates without regard to race, color, religion, sex, national origin, sexual orientation, gender identity, disability, or protected veteran status.
The Talent Acquisition role includes responsibility for annual affirmative action planning and filing EEO-1 reports.