Senior Systems Engineer

Wartsila - Herndon, VA

Full-time - Senior

Herndon, VA

Repair and Maintenance

About the position

Wärtsilä Energy Storage & Optimization (ES&O) is at the forefront of the global energy storage sector, dedicated to delivering integrated energy solutions that foster a resilient, intelligent, and flexible energy infrastructure. Our mission is to unlock the potential of an optimized renewable future by seamlessly integrating renewables, energy management technology, and storage with traditional energy resources. This innovative approach allows us to transform clean energy production across a spectrum of applications, from the largest and most complex grids to the most remote and essential microgrids. As part of Wärtsilä's vision for a 100% renewable energy future, we emphasize flexibility, reliability, and integration to create a more sustainable world for everyone. We are currently seeking a Senior Electrical Engineer - Product Development to join our Hardware Engineering team. This team is responsible for the development of Wärtsilä's integrated Battery Energy Storage Systems (BESS) products. The ideal candidate will be a self-starter capable of working independently as well as collaboratively within an interdisciplinary team. The candidate should thrive in a fast-paced, constantly evolving environment, especially as the industry and our company experience significant growth. This position is based in our Herndon, VA office, which is preferred for this role.

Responsibilities

• Design, configure and validate control panels for Battery Energy Storage System (BESS), including component selection such as breakers, fuses, and relays for DC and AC circuits, defining system architecture, site layout, functional safety analyses, auxiliary load estimation, HVAC sizing, and battery sizing/configuration.
• Design electrical schematics, single line diagrams, and field wiring diagrams in Auto-Cad Electrical and BOM in Auto-Cad Vault/Fusion for energy storage systems following UL508A and IEC61439-1/2 standards.
• Evaluate product and system designs and configurations for compliance with relevant industry standards such as UL9540, NEC, IEC62933, UL1741, UL1973, and IEEE1574.
• Perform load flow and short circuit analysis for DC and AC circuits.
• Design and engineer cable schedules for AC and DC circuits including single-line interpretation, ampacity calculation, and cable/termination selection.
• Develop control solutions including I/O table, PLC selection, PLC logic development, testing, and deployment of solutions into a production environment.
• Create testing specifications, plans, and interconnection requirements, select adequate components and test equipment, develop/calculate settings and configuration, and execute in lab environments and/or on-site ensuring compliance with functional and QA requirements.
• Develop product documentation such as product manuals, work instructions, flow charts, and technical descriptions.
• Maintain product NRTL file including critical component list.
• Collaborate in a team environment and/or take charge of opportunities to develop optimal solutions for the product development programs.

Requirements

• BS in Electrical Engineering required; graduate degree preferred.
• 10+ years of electrical engineering experience focusing on designing and testing power systems and control panels, preferably in the Battery Energy Storage System (BESS) sector.
• Ability to design electrical circuits for up to 1000 Volt AC and 1500 Volt DC ensuring compliance with common design standards.
• Experience in reviewing project specifications and interconnection requirements, selecting adequate PCS, and developing/calculating settings and configurations.
• Experience designing and configuring Battery Energy Storage Systems (BESS).
• Knowledge in embedded software development.
• Working knowledge of industrial control philosophies and communication protocols.
• Experience with AutoCAD Electrical.
• Strong problem-solving and innovative mindset.
• Ability to maintain positive working relationships with customers, peers, subordinates, and vendors in a fast-paced environment.
• Excellent communication skills and a team player attitude.

Nice-to-haves

• Experience with renewable energy systems and technologies.
• Familiarity with project management methodologies.
• Knowledge of safety standards and regulations in the energy sector.

Benefits

• Competitive salary and comprehensive benefits package.
• Opportunities for personal and professional development.
• Dynamic working environment with skilled co-workers.