JST Power Equipment logo with red JST text in a globe-shaped oval and blue background.
English Deutsch
Careers Contact Request a Quote
JST Power Equipment logo with red JST text in a globe-shaped oval and blue background.
English Deutsch
Products See Overview

Dry Type Transformers

Cast resin, VPI and specialty transformers

Pad Mount Transformers

Single-phase and 3-phase liquid-filled transformers

Power Transformers

Medium voltage power distribution up to 600 MVA and primary voltage up to 500 kV (1800 kV BIL)

Medium Voltage Switchgear

Gas-insulated and air-insulated switchgear solutions

Outdoor Substation Breaker

Configurable substation circuit breaker technology

Medium Voltage Packaged Unit Substations

Modular prefabricated power distribution system

Services See Overview

Field Service

After-sales service and support

Industries See Overview

Power Generation

Optimizing efficiency while improving the safety and sustainability of energy production.

Power Transmission

Innovating solutions that power a safe, reliable grid.

Power Distribution

Ensuring more efficient, reliable, and safer power distribution systems.

Solar Distribution

Supporting the development of solar platforms to shape a more sustainable future.

Wind Energy

Innovating wind technology to promote a cleaner, greener planet.

Commercial Buildings & Infrastructure

Meeting the ever-changing needs of global commercial infrastructure.

Data Centers

Designing solutions that power digital infrastructure.

Industrial Facilities

Engineering advanced power solutions that meet the needs of modern factories.

Rail & Transportation Systems

Supporting the electrification of modern transport systems and infrastructure.

About Us See Overview

Our Locations

With manufacturing plants and offices across 3 continents, we are here when and where you need us.

JST Visitor's Guide

Visiting JST in Lake Mary, Florida? View and download our Visitor's Guide here.

Leadership Bios

Our exceptional team of executives, each a standout in their respective credentials, bringing together diverse expertise, visionary leadership, and innovative thinking.

Sustainability

Minimizing our impact and helping customers do the same.

Sustainability See Overview

2025 Environmental, Social & Governance (ESG) Report

News, Literature, & Events See Overview

News

Stay connected with us and see why we are leaders in the industry.

Product Literature

Check out our literature library.

Events

Join us at these upcoming industry events.

Products See Overview

Dry Type Transformers

Cast resin, VPI and specialty transformers

Pad Mount Transformers

Single-phase and 3-phase liquid-filled transformers

Power Transformers

Medium voltage power distribution up to 600 MVA and primary voltage up to 500 kV (1800 kV BIL)

Medium Voltage Switchgear

Gas-insulated and air-insulated switchgear solutions

Outdoor Substation Breaker

Configurable substation circuit breaker technology

Medium Voltage Packaged Unit Substations

Modular prefabricated power distribution system

Services See Overview

Field Service

After-sales service and support

Industries See Overview

Power Generation

Optimizing efficiency while improving the safety and sustainability of energy production.

Power Transmission

Innovating solutions that power a safe, reliable grid.

Power Distribution

Ensuring more efficient, reliable, and safer power distribution systems.

Solar Distribution

Supporting the development of solar platforms to shape a more sustainable future.

Wind Energy

Innovating wind technology to promote a cleaner, greener planet.

Commercial Buildings & Infrastructure

Meeting the ever-changing needs of global commercial infrastructure.

Data Centers

Designing solutions that power digital infrastructure.

Industrial Facilities

Engineering advanced power solutions that meet the needs of modern factories.

Rail & Transportation Systems

Supporting the electrification of modern transport systems and infrastructure.

About Us See Overview

Our Locations

With manufacturing plants and offices across 3 continents, we are here when and where you need us.

JST Visitor's Guide

Visiting JST in Lake Mary, Florida? View and download our Visitor's Guide here.

Leadership Bios

Our exceptional team of executives, each a standout in their respective credentials, bringing together diverse expertise, visionary leadership, and innovative thinking.

Sustainability

Minimizing our impact and helping customers do the same.

Sustainability See Overview

2025 Environmental, Social & Governance (ESG) Report

News, Literature, & Events See Overview

News

Stay connected with us and see why we are leaders in the industry.

Product Literature

Check out our literature library.

Events

Join us at these upcoming industry events.

Careers

Application Engineer - GIS

Position Overview

Job Summary

The Applications Engineer serves as the technical lead for medium-voltage power distribution projects in an engineered-to-order manufacturing environment. This role is responsible for translating customer requirements into compliant, manufacturable solutions by reviewing specifications, coordinating technical documentation and submittals, supporting testing activities, resolving technical issues, and collaborating with customers and cross-functional teams throughout project execution. 

Depending on experience and demonstrated capability, the Applications Engineer may support technical activities under guidance, independently manage project execution, lead complex projects, mentor engineers, establish technical standards, and serve as subject matter expert for JST products, industry standards, and engineering best practices. 

A. Key Responsibilities

Technical Project Execution

  • Review customer specifications, drawings, and technical requirements.
  • Interpret project requirements and develop compliant technical solutions.
  • Coordinate technical submittals, approvals, and project documentation.
  • Lead or support customer design reviews and technical discussions.
  • Resolve technical issues arising during engineering, manufacturing, testing, and field service.
  • Evaluate technical risks and recommend appropriate solutions.

Engineering Support

  • Provide technical support to manufacturing, engineering, sales, and service teams.
  • Ensure projects comply with company and industry standards.
  • Support continuous improvement initiatives for processes and products.
  • Development of engineering standards, tools, and best practices.

Compliance and Standards

  • Apply and interpret relevant IEEE, ANSI, IEC, UL, utility, EPC, and customer standards.
  • Ensure project compliance with technical, quality, and safety requirements.
  • Provide guidance on standards interpretation and technical requirements.

Testing and Validation

  • Support or lead factory acceptance testing activities.
  • Develop test plans, review test documentation, and evaluate results.
  • Participate in troubleshooting and root-cause investigations.
  • Support witness testing and customer acceptance activities.

Customer and Industry Engagement

  • Serve as a technical point of contact for customers.
  • Participate in customer meetings, factory visits, and technical presentations.
  • Represent JST at trade shows, conferences, standards committees, and industry events.
  • Support strategic customer relationships through technical expertise.

B.   Required Qualifications

  • Bachelor’s degree in Electrical or Mechanical Engineering, or related field.
  • Knowledge of electrical power distribution systems.
  • Ability to interpret technical specifications, drawings, and diagrams.
  • Strong analytical, troubleshooting, and problem-solving skills.
  • Effective communication and collaboration skills.
  • Proficiency with Microsoft Office applications.

C.    Preferred Qualifications

  • Experience with medium-voltage switchgear, substations, and transformers.
  • Ability to create and review mechanical layouts and electrical schematics
  • Knowledge of SCADA systems, relay protection schemes, substation automation
  • Familiarity with communication protocols such as IEC 61850, DNP3, and Modbus.
  • Knowledge of relevant IEEE, ANSI, IEC, and UL standards. (IEEE C37.20.9, IEC 62271-100, etc)
  • Experience with CAD software such as AutoCAD or SolidWorks.
  • Experience with ERP, PDM, or engineering business systems.
  • Manufacturing or engineered-to-order project experience.

Job Title: Application Engineer

Reports to: Product Line Manager – Switchgear

Employment Status: Full Time

FLSA: Exempt

Location: Lake Mary, FL

Apply For This Position

Name(Required)
Email(Required)
Max. file size: 50 MB.
By using this form you agree with the storage and handling of your data by this website.(Required)

Logo of JST Power Equipment featuring a blue oval with red letters

Address

Office Headquarters

30 Skyline Drive
Lake Mary, FL 32746

Contact Us

Our Company

About Us 

Our Locations

Careers 

 

Connect

© 2026 JST Power Equipment All Rights Reserved.
Privacy Policy Equal Opportunity Employer