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High Voltage Engineering Intern
Southwire Company
Leading developer and manufacturer of building wire, utility cable and installation tools.
Summer internship analyzing and designing high‑voltage cable systems
7d ago
$18 - $23
Entry-level
Internship
Huntersville, NC
Office Full-Time
Company Size
9,000 Employees
Service Specialisms
Manufacturing
Technical Support
Engineering
Digital Solutions
Field Services
Contractor Equipment
Sector Specialisms
Utility
Residential
Commercial
Building Infrastructure
Industrial Products & Systems
Lighting Systems
Transportation Systems
Factory Power & Automation
Role
What you would be doing
technical reporting
installation guidelines
voltage study
cad modeling
impulse analysis
simulation
Prepare technical reports summarizing analysis results, design considerations, and recommendations.
Assist in creating standard installation guidelines and best practices.
Perform studies of induced voltages during short-circuit faults (phase-to-ground) for both internal and external fault conditions.
Develop typical installation drawings for high-voltage cable systems, including:
Work with AutoCAD and SolidWorks to create accurate and detailed engineering drawings.
Analyze the impact of impulse waves and residual voltage of sheath voltage limiters (SVL) to assess:
Grounding details for manholes and other structures.
Utilize simulation tools (e.g., COMSOL Multiphysics) for electromagnetic and transient analysis.
What you bring
autocad
solidworks
comsol
electrical engineering
power systems
communication
Minimum 2.5 GPA.
Proficiency in AutoCAD, SolidWorks, and COMSOL Multiphysics (or similar simulation tools).
Maximum allowable length of bonding cables.
Proficiency with Microsoft Office Suite (Excel, Word, PowerPoint) or other relevant tools.
Reliable transportation to and from work.
Cable arrangements on riser poles, air-insulated substations (AIS), and gas-insulated substations (GIS).
Must be currently enrolled in an accredited college/university pursuing a degree in Electrical Engineering.
Ability to work effectively both independently and as part of a team.
Your intern assignment is generally 10-12 weeks, and co-op assignment is generally 16-18 weeks and
Strong foundation in electrical engineering principles, particularly in power systems and high-voltage engineering.
Familiarity with short-circuit analysis, transient phenomena, and insulation coordination is a plus.
Strong analytical skills and attention to detail.
Ability to work independently and in a team environment.
You will be provided a robust developmental experience through an immersive onboarding and
Strong organization, planning, and analytical skills.
Excellent written and verbal communication skills.
Benefits
401k with Matching & Pension Plan (Eligible for Pension after 1,000 Hours Worked)
Finally, our rising senior interns and co-ops are considered for full-time employment opportunities.
You will have the opportunity to impact the future of the organization, all the while being exposed to
Flexible Work Schedules
You will also collaborate on other exciting projects and work with talented peers and inspirational
The company was established with the ambition to bring electric light to rural Georgia.
5M Pounds Wire
Early Growth Milestone
Within two years of operation, the company achieved significant expansion by shipping 5 million pounds of wire.
$8B Revenue
Annual Revenue
As North America's largest wire and cable producer, the company generates nearly $8 billion in annual revenue.
It steadily expanded into building wire, utility cable, tools and assembled solutions across North America and beyond.
Typical projects include supplying electrical infrastructure for residential construction, power transmission and high‑voltage utility networks.
The firm serves industrial, energy, utility and OEM sectors, emphasizing engineered cable systems and contractor tools.
Still family‑owned after 75 years, with a legacy of bold machinery expansion—from three machines to a global enterprise.
Its C7 covered conductor and MCAP cables showcase innovation in lightweight, corrosion‑resistant utility solutions.
Culture + Values
Empowerment
Trust
Consistency
Inclusion
culture prioritizes the interests of our team members, customers, communities and shareholders through a continuous commitment to empowerment, trust, consistency and inclusion.
Environment + Sustainability
100% Carbon Neutral
Energy Goal
Aims to achieve 100% carbon neutral energy for operations (Scope 1 & 2) by 2025, building on a 2018 baseline.
35% Emissions Reduction
Scope 1 & 2 Progress
Already reduced absolute Scope 1 and 2 emissions by 35% toward the Carbon Zero goal.
10 Million lbs
Plastic Recycling
Recycles 10 million pounds of plastic annually in manufacturing processes.
$200,000 Saved
Recycling Efficiency
Saved over $200,000 through plastic recycling efforts in 2022.
Three manufacturing sites have Copper Mark certification for responsible copper production.
Over 100 wire and cable products have independently verified Environmental Product Declarations (EPDs), covering >90% of product categories.
Installed solar generation system at HQ (2021) plus 2 additional sites and 6 EV charging stations company-wide.
10-year PPA via Georgia Power CRSP to offset ~6% of carbon footprint.
Began using biodegradable stretch-film cutting virgin plastic use by ~70% after two years.
Inclusion & Diversity
2023
Inclusion Report
The company released its second annual Inclusion Report in 2023, highlighting progress in diversity and inclusion initiatives.
2020
CEO Pledge
The CEO signed the CEO Action for Diversity & Inclusion pledge in 2020, committing to advancing diversity and inclusion within the company.
2024
Corporate Legacy Award
The company received the Corporate Legacy Award in 2024, recognizing its commitment to diversity and inclusion.
2024
Mental Wellbeing Recognition
The company was named one of Newsweek’s America’s Greatest Workplaces for Mental Wellbeing in 2024.
Six focus areas in DEI strategy: people leaders; inclusive workforce; equity & governance; employee resource groups; reputation & community; value & supply chain
Invested in employee nursing rooms across facilities to support women
Employee Resource Groups aligned with core values of empowerment, trust, consistency and inclusion
Increased representation of women, under‑represented communities, and veterans (no exact % provided)
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