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Title:  Commercial Inverter Field Service Engineer

Division: Engineering

Status: Full Time, Regular

Location: Work from Home

Travel Requirements: 50% +


Position Details:

Key areas of focus include:


  • Post-sales technical support for large deals including the development of documentation/best practices and coaching to ensure a high quality installation and utilization of our products.
  • Field service visits to sites to identify and fix inverter issues and ensure that the installation procedures have been followed.
  • Maintain the RMA process for commercial products and follow up with engineering team for root cause analysis of failed units.
  • Post-sales technical support for commercial business and projects to include onsite commissioning oversight.
  • Strong engagement and feedback/input to the Marketing, Sales and Program Management team on identified product/technical issues.
  • Provide recommendations for product improvements and product management development of broad based market training and tools that address best practices and requirements (e.g. standard business tools).
  • Close cooperation and alignment with Customer Support to enable a closed loop system on key/top technical and product related issues and ensure high levels of customer satisfaction, especially with top area installer accounts.
  • Dedicated trainer for all distribution NABCEP events sponsored by Ginlong.
  • Overview and deep understanding of all UL, NEC, etc. compliance and requirements in relation to inverters.




  • Work with the Sales Managers to deliver the highest level of quality field technical support, enabling project installations and ensuring highest levels of customer support.
  • Work closely with sales team and program management to determine appropriate prioritization of project field support relative to available technical resources and ensure close coordination and communication with the customer.
  • Manage tasks to ensure that all identified field service needs on projects get the proper and appropriate level of post-sales design and technical support
  • Develop specific tools (design kits, BOMs, etc.) for commercial business and provide customized/unique post-sales technical support on larger, more complex commercial deals to ensure highest quality installations.
  • Generate application notes, technical briefs and other notes for installation guidance.
  • Collaborate closely with Program Management and Sales on broad based technical tools and NABCEP trainings and drive adoption through the sales team and distributors.
  • Act as service focal point for input/feedback into Program Management on major product and technical issues and recommended solutions as it relates to field service.
  • Develop and lead closed loop process with Program Management, Customer Support and Sales on all field post-sales related topics and issues
  • Requirements:
  • Qualified to degree level in an appropriate engineering discipline or equivalent practical/industrial experience.
  • 3-5 year’s experience of field service in the PV inverter industry, in particular commercial string inverters
  • Understanding of design, specification & installation of PV systems. Demonstrable experience of working on residential and commercial scale systems of and grid connection requirements.  A track record of multi-resi (social housing retro-fit, new build) and 10 to 5MW commercial systems. Experience of larger scale installations will be useful but not essential.
  • Commercial and Residential photovoltaic system design experience, including DC string sizing/inverter matching with the use of inverter manufacturers proprietary tools.
  • Experience of system simulation tools such as PVSyst, PVSol, Archellios, Siderea or PVGIS to determine system kWh production together with an appreciation of how the simulation outputs are applied to financial modules to evaluate return on investment from a photovoltaic system.
  • Knowledge of local electrical regulations, schemes and grid connection requirements such as NEC, UL1741, IEEE1547 standards.
  • Networking and communication expertise and knowledge as it relates to powerline communication and ZigBee technologies and TCP/IP communication schemes in residential and commercial settings including firewalls
  • Ability and willingness to travel in USA and at times internationally as needed to support needs of the business
  • Equally comfortable to operate on-site with a system installer or in a customer’s engineering design office
  • The following are highly desirable:
  • CAD experience to create and edit mechanical and electrical designs (AutoCAD, Sketchup)

Compensation & Benefits:

  • A comprehensive benefits program is offered along with a generous expense policy. Compensation is extremely competitive and includes a base and variable bonus component.

Company Information:

Our client is one of the world’s oldest and largest grid-tied string inverter manufacturers.  Their products represent a well-respected, value priced brand that has been installed in projects in over 60 counties.  Founded in 2005, the company has established business in Asia, Europe, Australia and now in North America. Please contact us directly to learn more about this exciting, challenging and rewarding position.



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Ginlong Technologies, one of the oldest and largest string inverter manufacturers, announced today that Ginlong Solis inverters are powering the one of the world largest ground-mount utility-scale solar canopies at Shanghai Volkswagen car plant. Ginlong Solis 36kW string inverter is the Inverter of Choice for this gigantic high profile 55 MW solar canopy for 20,000 parking spaces and the size of about 20 soccer fields.


Ginlong Solis 36kW inverter is the industry’s first 4 (four) MPPT three phase string inverter products, which maximizes the energy harvest through string level power optimization and data monitoring. It has outstanding energy yield, thanks to its high efficiency (98.6% peak efficiency) and excellent low irridiation performance for long working hours. Its ultra wide DC MPPT input voltage range (200V to 800V) and unique string mismatch feature give engineers design flexibilities. It adopts the latest 1000Vdc design to reduce the balance of system cost and installation cost. In addition, It can improve the power production by effectively mitigating the adverse impact of variations of the solar panel degradation speeds on the string level power production performance. Ginlong Solis inverter is compact and light weight with NEMA 4X / IP65 enclosure that is hose down and salt spray tested for outdoor installations virtually at any sites.

Ginlong Solis string inverter solution breaks into the large ground-mount utility scale solar farm market, which is traditionally dominated by the central inverter solutions. Ginlong Solis string inverter offers the unique advantages of high power production, flexible modular design, exact power class matching, and ease of installation and maintenance. More importantly, the customers can relax with a peace of mind for their long term solar plant investments and enjoy the lowest total cost of life time ownership, thanks to Ginlong Solis outstanding reliability and performance. 

Established in 2005, Ginlong pioneered the transformer-less string inverter technology in UK. Ginlong Solis inverter is one of the first to achieve G83 UK certification. Ginlong embraced quality and reliability into its culture over its 10 years history. Ginlong Solis inverter is the first inverter which is 3rd party tested by DNV GL, the world leading engineering advisory company. “Ginlong Solis inverter is expected high reliability even in harsh environment, validated by DNV GL 3rd party testing.” Ginlong is one of few vertical integrated inverter manufacturers, from SMT production to aging testing. Hundreds of Ginlong Solis inverters are produced each day in its highly automated 40,000 square meters facility in Ningbo, China, then shipped all over the world.

As one of the world largest ground mount solar canopy projects, Shanghai Volkswagen Solar Canoply project may inspire some of car owners who had their cars once parked under this gigantic solar canopy to reach for the sky for clean renewable solar energy.


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Driving in the solar farm, I was excited. It was a foggy day, the solar farm powered by Solis inverter seemed to be endless.  
Enjoy the Solis (Alice) in Wonderland video!


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I was walking on the 5th Avenue in Manhattan, enjoying the display windows of famous fashion brands.  How did they establish these attractive brands?  I found the answer in the afternoon at The Metro Museum of Arts.   “Lotus” is Monet’s favorite Subject.  I came really closer to this painting, so I could see clearly each brush stroke on the cloth.  I was really amazed.  How did Monet know how to paint each stroke to create such a beautiful painting that touches my heart so deeply?

A good brand is like a good painting.  Although each stroke shapes its image, but the soul brings its life.  It does not matter whether it is a fashion cloth brand or it is a Ginlong Solis inverter.

“Solis” means “Sun”.  The inverter converts DC to AC and brings renewable clean energy to people’s life. Ginlong Solis Inverter has an warm image that irradiates light, love and energy.

The Ginlong Solis Brand image is certainly not just a piece of advertisement.  It involves 12 years persistence in the inverter R&D, rigorous challenging the status quo, benching against the world-class design and practice, and continuous improvements.

Each stroke shapes its image yet the soul comes from the “parents” who pour hearts in it. Ginlong Solis inverter brings a sense of wonder to people.  It is a different version of Silicon Valley type of story.  Started from scratch as a student, a young 35 years old entrepreneur from China is building a world-class global inverter manufacturer, overcoming many unimaginable obstacles during the journey.  Coming out of his dream, today we present the elegance and beauty of Solis inverter to the world. Ginlong has always been one of the first to enter each major solar market and build a strong brand there. One of the most famous installations is at Eiffel Tower in Paris. We accounted more than one fifth of market share in UK.  We are now a fast growing brand in the very conservative US Solar market.  Ginlong Solis inverter fills the market gap for highly reliable yet affordable PV inverter products.

I want to share a picture I took with Tara at DNV GL lab.  Two nice ladies are guarding a “dangerous” Solis inverter who is eager to get out the cage and take off.   http://www.ginlong.comDNV GL















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Dublin Ohio, USA, Aug.18, 2015 – Ginlong Technologies, a world leading string inverter specialist, announces today that it will be presenting exciting inverter innovations at Solar Power International, the largest solar trade show in North America, held September 14-17, 2015 in Anaheim, CA.

Ginlong Technologies will be presenting the industry first four (4) MPPT 36kW Solis Three Phase String Inverter products, which maximizes the energy harvest through optimizing the power production at each MPPT level.  The Solis inverter has outstanding energy yields thanks to its high efficiency (98.6%) and outstanding low irradiation performance for long working hours. Its ultra-wide DC input voltage range (200V-800V) and unique string mismatch features give engineers design flexibility. It has the latest 1000Vdc design to reduce Balance of System cost and Installation Cost.  The Solis inverter is compact and light weight (less than 120 lbs). With NEMA 4X / IP65 enclosure that is hose-down and salt spray tested for outdoor installations, Solis inverters can operate reliably at virtually any site.  The Solis inverter comes with 7″ LCD display on the inverter, and remote data monitoring solutions for any project size.  Ginlong Solis 36kW three phase inverter is ideal for large complex solar installations from small solar projects to several mega watt projects, such as different roof sizes and pitches, solar module orientations, mismatched solar module strings and shading conditions.
Ginlong Technologies will also be presenting the innovative Solis 6kW and 10kW low voltage (208/220/240V) inverter, which eliminates needs for transformers for low AC voltage applications.
The Solis Single Phase Inverter 1kW to 5kW and Three Phase String Inverter 6kW to 20kW are UL 1741 certified and CEC listed. 

About Ginlong Technologies

Ginlong Technologies is the world leading specialist in manufacturing PV and wind grid-tied inverters.  The Solis inverter represents a well-respected, value priced brand from Ginlong Technologies, founded in 2005.  Since achieving UK G83 certificate in 2006, Ginlong Technologies has led the inverter innovations for next generation.  Ginlong solis inverter products have been shipped to over 60 countries.  Ginlong Technologies is one of the world’s largest inverter manufacturers with a long history for distributed generation.  www.ginlong.com

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2Solarfarm 40MWDavid_Backwoods

Ginlong Solis three phase string inverter enters the US market with a good timing.

The three phase inverter shipment doubles this year, following the trend of distributed PV generation.

Advanced Energy just announced that they will exit the PV inverter market in the US, leaving a nice piece of market share for others to grab.

Ginlong first introduced the Solis three phase string inverter in 2010.  Being a technology leader, Ginlong was one of the first inverter manufacturers who adopted the Silicon Carbide (SiC) based technology to yield ultra-high efficiency (peak efficiency > 98.4%) and much smaller inverter size and much lighter weight (about 70 lbs). The size and weight have proven to significantly affect overall system cost.

Ginlong has shipped thousand of Solis three phonse inverter worldwide for for systems of all sizes, from a few kilowatts, to several MW, riding the trend of distributed generation in recently two years.   Now Ginlong Solis three phase string inverter is UL 1741 certification and CEC listed.

Reliable. The Ginlong Solis inverterhas proven track record of reliability with over 10 years experience of operating in harsh environment.  The Solis single phase inverter is 3rd party tested and qualified by DNV GL, the world leading technical advisory service firm. The Solis three phase inverter is an extension of this product line based on the similar platform for superior reliability. The reliable, high quality Ginlong Solis inverter mitigates the project risks and protect our customer’s investment.

Efficient. The Ginlong Solis three phase inverter boasts high peak efficiency of 98.3%.  The Solis inverter has outstanding energy yields thanks to its high efficiency and outstanding low irradiation performance for long working hours.

Flexible. The Ginlong Solis three phase inverter has ultra-wide input voltage range (200V-800V) and unique string mismatch features, which give engineers design flexibility. Compared with central inverter architecture, the three phase string inverter allows for modular design to match with any power sizes. It comes with dual MPPT trackers and string level monitoring.  Ginlong Technologies will be presenting the industry first four (4) MPPT 30kW and 36kW Solis Three Phase Inverter products during Intersolar NA at booth 8843,  which optimizes the power production at each MPPT level, thus maximizing the energy output.

ROI.  China quickly rises to become the largest solar market with focus on distributed generation.  This trend effectively drives the economic of scale for three phase string inverter products, thus reducing the unit cost of such products.  Ginlong Solis inverter offers the latest 1000Vac design, dramatically reducing the BoS cost.  With its  modular distributed architecture, the three phase string inverter also reduces the whole supply chain cost from procurement cost, installation effort and cost, transportation cost to service and maintenance cost.

All Ginlong Solis inverter comes with string-level monitoring for optimized performance throughout the project life-cycle.

You are welcome to attend our press release conference on July 14th 10:00am-10:30am and learn more about the Solis Inverter innovations at Ginlong Technologies booth 8433.

About Ginlong Technologies

Ginlong Technologies is the world leading specialist in manufacturing PV and wind grid-tied inverters, and small scale wind turbine systems.  Since founded in 2005, Ginlong Technologies has shipped inverter products to over 60 countries.  Ginlong Technologies is one of the world’s largest inverter manufacturers with a long history for distributed generation.

Welcome to visit: website: www.ginlong-usa.comwww.ginlong.com

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