[Skip to main content](#main-content) [OpenNash Jobs](https://jobs.opennash.com/) [Hiring report](/reports/hiring/) · [All Doosan jobs](https://jobs.opennash.com/companies/doosan/) · [Search jobs](/search/) Doosan · South Windsor, CT # Sr. Engineer, Electrical Engineering South Windsor, CT, US Senior individual contributor Operations Listed on Doosan’s official careers site. Listed as of October 19, 2026. Check that it is still open and apply there. [Apply on Doosan’s careers site →](https://jobs.doosan.com/job/South-Windsor-Sr_-Engineer%2C-Electrical-Engineering-CT-06074/1357183200/) [OpenNash Jobs](https://jobs.opennash.com/) / [Doosan](https://jobs.opennash.com/companies/doosan/) / Sr. Engineer, Electrical Engineering ## Job description Company Background HyAxiom is a leading provider of distributed generation fuel cell and electrolyzer solutions, committed to delivering innovative and sustainable energy solutions to meet the growing demands of the data center market. We are dedicated to helping our clients achieve energy efficiency, reliability, and sustainability through our innovative solutions. HyAxiom is looking for team members to represent the organization with our core values of people, sustainability, innovation, and integrity. Come join our Team today! Job Information We are looking for an experienced Senior Electrical Engineer with a specialized focus on integrating fuel cells into microgrid solutions / data centers. In this role, you will be responsible for designing, optimizing, and deploying Fuel Cell electrical systems. Also on site integrated electrical equipment that incorporate fuel cell technology as a primary or backup power source for data centers. You will work to create reliable, scalable, and sustainable power solutions that support the critical needs of data center operations. ### Role & Responsibility Fuel Cell Integration into Microgrids Design and integrate fuel cell systems into microgrid architectures, ensuring seamless operation as a primary or backup power source within data center environments. Optimize fuel cell performance, efficiency, and scalability for high-demand applications Including integration of fuel cell-based microgrids with the existing electrical grid. Ensure proper synchronization, seamless transfer between grid-connected and islanded modes, and effective load management for data center operations. ### Fuel Cell/Electrolyzer Requirements Definition Propose and support changes to the Fuel Cell /Electrolyzer Electrical systems and onsite equipment integration. Make sure the Fuel Cell /Electrolyzer electrical system maintains required certifications as well as understanding of grid protection functions. Proficient in writing, maintaining and mitigating risk to product requirements. - Perform DFMEA/PFMEA Perform System level trade studies Create 1 line and 3-line electrical schematics - Create sequence of operation / product operation manuals - Perform design verification testing - Create presentations for management Electrical harness design and updates Safety System design and certification Microgrid System Design & Optimization: Work with Customers and Suppliers to develop and implement site specific microgrid systems that combine fuel cells, energy storage (e.g., batteries/super caps), renewable energy sources (e.g., solar), and conventional generators for data centers. Focus on reliability, redundancy, and optimal energy management. Proven experience with providing technical support and delivering complex energy solutions while identifying opportunities to bring additional value to the customer. Role & Responsibility - continued Power Electronics & Control Systems: Work with power electronics, DC-DC, inverters, rectifiers and controllers to convert, condition, and distribute power generated by fuel cells. Develop control strategies to ensure the efficient and coordinated operation of fuel cells with other energy sources in grid-connected or islanded modes. ### Reliability & Redundancy Design Ensure Fuel Cell and microgrid systems are fault-tolerant, resilient, and meet the high-availability needs of data centers. Implement redundancy strategies (e.g., N+1 configurations) for critical components such as fuel cells, energy storage, and inverters. ### Collaboration with Cross-Functional Teams Work closely with mechanical engineers, software engineers, System and MBOP engineers and data center operations teams to ensure that the microgrid system is fully aligned with facility power requirements. Communicate effectively to ensure timely integration and deployment. ### Compliance & Safety Standards Ensure that all fuel cell and microgrid systems meet regulatory requirements, industry standards (e.g., IEEE, IEC), and safety protocols for energy systems and data centers. Keep updated on environmental regulations and sustainability goals for energy systems. ### Troubleshooting & System Support Provide ongoing technical support and troubleshooting for fuel cell-based microgrid systems. Perform regular performance optimization and address any system failures or efficiency issues that may arise. Job Requirements - Education, Experience & Certifications Education: Bachelor’s or Master’s degree in Electrical Engineering or Power Systems Engineering Experience: 5+ years of experience in designing microgrid or data center power systems. Knowledge of power systems, energy management, and renewable energy integration is required. Understanding of internal data center needs is a plus. ### Preferred Qualifications Experience with integrating renewable energy sources (e.g., solar, wind) and energy storage systems into microgrid solutions. Hands-on experience with self-generation technology (generators) integration and real-time optimization in mission-critical environments like data centers. Knowledge of cybersecurity for energy systems and best practices for securing fuel cell microgrid architectures. LV, MV and AC/ DC voltage system design Fuel Cell / Electrolyzer background a plus Certifications (Preferred): Professional certifications related to renewable energy, microgrid systems, or energy management (e.g. IEEE) are a plus. ### Job Requirements - Skills Technical Skills Able to apply first principles logic and methods. Strong background in power electronics, including inverters, converters, and controllers for fuel cell systems. Understanding of microgrid operation and energy distribution in data center environments. Will need to write, maintain and mitigate risk to product requirements. - Perform DFMEA/PFMEA Create 1 line and 3-line electrical schematics - Create sequence of operation / product operation manuals - Perform design verification testing - Create presentations for management Electrical harness updates - Support design issues and root cause analysis Create Design Review Presentation throughout process Problem-Solving & Analytical Skills: Excellent ability to analyze system performance, identify issues, and propose effective solutions to ensure high reliability, efficiency, and resilience of fuel cell-based microgrid systems. ### Communication & Collaboration Strong verbal and written communication skills. Ability to work effectively with multidisciplinary teams, including data center operations, project managers, and other technical specialists. ### Other Work Environment Occasional travel to data center sites for system commissioning, integration, and troubleshooting. On-site All personal information will be kept confidential according to EEO guidelines. Questions can be addressed through the HR department at (860) 727-2200 or HR@Hyaxiom.com ## At a glance - Posted by the employer: Not stated - First seen by OpenNash: Oct 12, 2026 - Last checked: Oct 19, 2026 - Listed for: 7 days - Location: South Windsor, CT, US[Apply on Doosan’s careers site →](https://jobs.doosan.com/job/South-Windsor-Sr_-Engineer%2C-Electrical-Engineering-CT-06074/1357183200/) ## More jobs at Doosan ### [Electrical Engineer, Facilities](https://jobs.opennash.com/companies/doosan/jobs/6d6ec9dd6803cdabab95/) South Windsor, CT, US ### [Electrical Engineer, Site Solutions](https://jobs.opennash.com/companies/doosan/jobs/75720122543b81c640d7/) South Windsor, CT, US ### [Engineer, Facilities](https://jobs.opennash.com/companies/doosan/jobs/d5ad57d52a9d7ca85b57/) South Windsor, CT, US ### [Manager, Operations Strategy & Execution](https://jobs.opennash.com/companies/doosan/jobs/2cbc3aa37161de1c2ce2/) South Windsor, CT, US ### [Sr. Engineer, Applications (Distributed Energy Systems)](https://jobs.opennash.com/companies/doosan/jobs/1889057f8ccd7b7258ff/) South Windsor, CT, US ## Similar jobs at other companies ### [Electrical Engineer - Custom Order Engineering](https://jobs.opennash.com/companies/eaton/jobs/528fdefa9e21070a8d66/) Eaton · Sumter, South Carolina, USA ### [SSN Electrical Engineering and Design - 2027 Engineering Summer Internship](https://jobs.opennash.com/companies/general-dynamics/jobs/09a79467c8d51e4738cd/) General Dynamics · Groton, CT, US ### [Electrical Engineering Manager](https://jobs.opennash.com/companies/lockheed-martin/jobs/575e665b6ada0a16b4a0/) Lockheed Martin · Orlando, FL ### [Groton Facilities Power Distribution Electrical Engineering 2027 Engineering Summer Internship](https://jobs.opennash.com/companies/general-dynamics/jobs/2e05f12ab9dd2e3f5abe/) General Dynamics · Groton, CT, US ### [Electrical Reliability Engineering Supervisor](https://jobs.opennash.com/companies/cargill/jobs/5bf132e5e39287cf32af/) Cargill · Dodge City, Kansas OpenNash lists jobs from employers’ own careers sites and does not handle applications. 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