Emeryville, CA, US Surrey, CA Herndon, VA, US Toronto, CA Houston, TX, US Dartmouth, CA

Function:  Business Development
Job Category:  Engineering

Senior Sales Engineer

Wärtsilä Energy Storage & Optimization (ES&O) is the leading global energy storage optimizer. Our mission is to deliver integrated energy solutions that build a resilient, intelligent, and flexible energy infrastructure - unlocking the way to an optimized renewable future. By integrating renewables, energy management technology, and storage with traditional energy resources, we reinvent clean energy production from the largest and most complex grids to the most remote and essential microgrids. We play a key role in Wärtsilä’s vision towards a 100% renewable energy future through flexibility, reliability, and integration for a more sustainable world for us all.


We are currently searching for a person for a Sales Support (sales engineering) role focused on supporting Wartsila’s existing global Sales team with technical proposal submittals through contract execution in the North America region. Selected person will work very closely with Wartsila’s global sales support teams, engineering, and software development teams. Strong support link also to the Area Sales as a joint goal of selling and delivering energy storage systems both as a standalone and in a hybrid design. The person will own the development and submittal of proposals; and work with the sales team, engineering team, the marketing team to develop opportunities and the Delivery/Project & Operations teams to execute those opportunities.



This position will be remote. The preferred location(s) for this position are Emeryville, CA, Herndon, VA or Toronto, Canada.


Education Requirement:

Minimum BSc or MSc degree in electrical/power engineering, or equivalent work experience.



  • Subject matter expert for Energy Storage in the AMER region including expertise in the technical design of systems and identification of the business models that support the economic case to deploy storage.
  • Work closely with the software team to develop time-series system models and perform simulation analyses for system sizing, performance optimization, and/or energy management algorithm development. Present simulation results to customers.
  • Work closely with the existing Wartsila Sales team to help identify and engage with key customers/accounts within the area, and support and maintain relationships relative to Energy Storage
  • Manage RFP response process including determining bidding strategy and partner selection and working together with such partners to submit winning responses and drafting the actual proposal.



Main Responsibilities:

  • Lead proposal creation for energy storage projects
  • Write proposal content in consideration of specific customer requirements and unique value points for the integrated solution.
  • Create high-level as well as detailed system design drawings, layouts, schematics.
  • Specify appropriate system components, calculate component ratings and quantities, and create detailed bills-of material for material and labor cost estimates.
  • Interface with vendors to understand the form, fit and function of their products and services; and determine which products are best suited for an application or project.
  • Assist in developing software model architectures for various configurations of energy storage, and renewable generation to be used in grid tied and stand-alone power applications.
  • Utilize value concepts & tools defining the right value solutions for each individual customer.


Development Responsibilities:

  • Assist in developing improvements to current Wartsila Gridsolv Quantum Energy Storage Solutions and Greensmith Energy Management System (GEMS) Digital Energy Platform based on customer feedback.
  • Help further development of Sales Tools for energy storage projects.



  • Experience with the energy storage and renewable energy markets, projects, and products (bi-directional inverters, various battery chemistries, PV, wind turbines, flywheels, etc.)
  • Strong understanding of utility generation project development process
  • Experience with industrial control methods and SCADA systems.
  • Able to read and understand system schematics, single-line drawings, mechanical elevation, and building layout drawings.
  • Strong written and oral skills. Must be a proven and competent English writer, able to create grammatically correct and properly structured English proposal documents.
  • Competent with ACAD or equivalent drafting tools
  • Understanding of CE, UL, IEEE, IEC and NEC standards as applicable to local region.
  • Knowledgeable in utility systems and interconnection requirements for electric generators.
  • Dynamic load flow modeling experience (PSSE/PSLF, ETAP or equivalent).
  • Medium-voltage system design and construction background is desirable.
  • Passion for innovation, ability to adapt to fasting changing market demands, working independently and as a team member.
  • Willingness to take ownership and produce results.
  • Solid organizational skills including attention to detail and multi-tasking skills.
  • Strong work ethic
  • Energetic and enthusiastic approach
  • Ability to travel as required (estimated 10% of time)
  • Existing relationships with regional EPCs, Developers or IPPs



Last application date: 15/12/2023 


Why you and us

You will be a part of a global organization with local presence and work in an exciting and dynamic working environment with highly motivated and skilled co-workers. We offer interesting and challenging work tasks, as well as personal and professional development in a great team. If you feel excited by being a part of this working environment and think your personal skills and qualities match the job requirements, we look forward to receiving your job application.


Successful applicant must be authorized to work in the USA or Canada without sponsorship. We look forward to hearing from you. Qualified candidates must apply online: https://www.wartsila.com/careers


For applicants that reside in California, the salary range/hourly wage range is $83,006 -$154,154. 


The amounts listed are the base pay range; additional compensation may be available for this role, such as shift differentials, standby/on-call, overtime, premiums, extra shift incentives, or bonus opportunities.  Eligibility to participate in: the discretionary incentive plan assigned to the level of position upon offer of employment; medical, dental and vision coverage, 401(k) plan and flexible spending accounts, subject to plan terms; Company-paid benefits such as life insurance, short- and long-term disability, subject to applicable waiting periods.  Paid time off (PTO) is accrued on a per-pay period basis in accordance with tenure in the Company; a new hire can expect 17 days per year. Twelve (12) Company-paid holidays.


Individuals hired for positions that require on-site customer interactions and/or in-person travel may be required to be fully vaccinated against COVID-19 or other country-specific vaccinations, unless otherwise prohibited by law. Wärtsilä North America values our employees. We offer a competitive salary and comprehensive benefits package. Wärtsilä North America is an EOE/AA employer.