Share this Job
Primary Location: 

Singapore, SG

Function:  Engineering
Job Category:  Engineering

Senior Proposal Engineer

Wärtsilä is leading the transition towards a 100% renewable energy future. As an energy system integrator, we – Wärtsilians - understand, design, build and serve optimal power systems for future generations. Our solutions provide the needed flexibility to integrate renewables and secure power system reliability. We support our customers over the lifecycle of their installations with services that enable increased efficiency and guaranteed performance. Did you know that Wärtsilä has 72 GW of installed power plant capacity in 180 countries around the world?

In this era of innovation and fast changing world of energy, we are constantly on the lookout for future-oriented talent to join our team and to work towards enabling sustainable societies with smart technology - together. Want to join the ride?


We offer you an interesting position with people of different cultural backgrounds and a possibility to work with a successful global team in an international company. We are currently searching for a person for a Sales Support (proposal development) role focused on supporting Wartsila’s existing global Sales group with technical proposal submittals for the Middle East & Asia Area within the ESS&I BL.


The selected candidate will work very closely with Greensmith's global sales support teams, engineering and software development teams. Strong support link also to the local 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 commercial engineering team, the marketing team to develop opportunities and the Operations team to execute those opportunities.



  • Subject matter expert for Energy Storage in the SEA 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 and hybrids
  • Write proposal content regarding to specific customer requirements and unique value points for the integrated solution
  • Create Design and 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, engines, utility systems, and renewable generation to be used in grid tied and stand-alone power applications.
  • Utilise value concepts & tools defining the right value solutions for each individual customer

Development Responsibilities:

  • Assist in developing a hybrid power solution utilizing Wartsila engines, batteries, and renewable generation technologies
  • Help further development of Sales Tools for energy storage and hybrids


Ideally, the candidate should possess the following:

  • BS/MS/PhD in Electrical Engineering or relevant engineering discipline
  • 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 25-33% of time)
  • Existing relationships with regional EPCs, Developers or IPPs

Last application date: 31/03/2020

This is Wärtsilä

Wärtsilä is a global leader in smart technologies and complete lifecycle solutions for the marine and energy markets. By emphasising sustainable innovation, total efficiency and data analytics, Wärtsilä maximises the environmental and economic performance of the vessels and power plants of its customers. In 2019, Wärtsilä’s net sales totalled EUR 5.2 billion with approximately 19,000 employees. The company has operations in over 200 locations in more than 80 countries around the world. Wärtsilä is listed on Nasdaq Helsinki. Find out more at www.wartsila.com