Team Engineering Business Unit New England Jurisdiction Requisition No. 11468 City Northboro, US, 01532 Date posted 11 September 2026 Senior Equipment Engineer National Grid is hiring a Senior Ngineer for our Substation O&M Services department to work as a hybrid role at our any of our Massachusetts office locations. Time will be spent in office or remote and will include travel to multiple locations. Every day we deliver safe and secure energy to homes, communities, and businesses. We are there when people need us the most. We connect people to the energy they need for the lives they live. The pace of change in society and our industry is accelerating and our expertise and track record puts us in an unparalleled position to shape the sustainable future of our industry. To be successful we must anticipate the needs of our customers, reducing the cost of energy delivery today and pioneering the flexible energy systems of tomorrow. This requires us to deliver on our promises and always look for new opportunities to grow, both ourselves and our business. Job Purpose This position is responsible for supporting the 30+ solar and battery energy storage systems owned and operated by National Grid. This is an excellent opportunity for an experienced electrical engineer who enjoys combining technical expertise, asset management, project support, and field collaboration to help deliver a safer, more sustainable energy future. Key Accountabilities Responsible for 35+ MW of grid installed solar and 60+MWh of BESS Responsible for maintaining a comprehensive budget for operation expenses Report to the DPU on site statuses, production values, and operational costs Responsible for substation energizations in a safe manner without impact to customers or the operating system. Be the primary interface with Field Operation Teams, Engineering, Project Management, Contractors, and Dispatch for all maintenance related activities. Coordinate, site visits, additional testing, job walkthroughs and punch list preparation/completion as required Assist with transmission and distribution substation projects including scope, design criteria, construction review, data integration of deliverables (drawings, test data) Conduct site inspections to ensure adherence to engineering standards and specifications. Participate in project design reviews. Ensure data from substation projects is integrated back into National Grid systems. This includes drawings, test reports, AIMMS equipment forms, vendor drawings, work order summary forms, and any other information required to support this project. Design, develop, modify, and evaluate systems, processes, or facilities to support Company objectives, utilizing engineering methods. Recommend alternative engineering solutions to management to meet business needs. Assist with maintaining project timeliness and budgets. Assist with the design, develop, modify, and evaluate systems, processes, or facilities to support company objectives. Provide technical support to internal and external departments for the application, operation, and maintenance of apparatus. Includes testing, commissioning, and troubleshooting. Resolve technical issues. Assist in developing long-range maintenance philosophies. Review operation and maintenance practices. Assist in project estimating and economic analysis. Manage multiple projects at one time. Work in a Project Management team environment. Travel will be required Storm duty support will be required Qualifications Bachelor's degree in electrical engineering or a related field; or the equivalent combination of education and experience. A minimum of 5 or more years of directly related experience in utility engineering and/or utility operations. Understanding of Company's business, and relevant policies, procedures, and practices. Knowledge of applicable federal, state, local laws, regulations and the National Electric Codes. Ability to perform effectively in high-pressure situations while maintaining focus and calmness. Demonstrated communication and interpersonal skills involving the ability to work cross-functionally to understand requirements, present alternatives, and recommendations. Proficient with the use of personal computers including automated tools. Valid driver's license. Ability to manage several projects at one time. Ability to work in energized stations. Ability to travel outside Company territory. Ability to carry 50 pounds of equipment. Ability to produce technical reports, analysis, and documentation. Mobility in and around a substation Knowledge of substation construction and maintenance techniques Knowledge of

NEC, IEEE, ANSI, NESC, SATM, ISO, EPA, ASTM, ASME

Knowledge of maintenance and operation philosophy Knowledge of protection operation and reliability philosophy Knowledge of 3-phase power system theory for both static and dynamic systems Knowledge of utility system practices and substation equipment Capable of analyzing apparatus test data Capable of troubleshooting Why National Grid? Help shape the future of New England's evolving energy network. Support renewable energy and battery storage technologies that contribute to a cleaner energy future. Work on high-impact initiatives that support reliability, affordability, and sustainability. Collaborate with experienced engineers, operations teams, and industry experts. Gain exposure to major grid modernization and energy transformation programs. Salary $119,000 - $140,000 a year National Grid will not be providing visa sponsorship for this position now or in the future. You must have the ability to work without a need for current or future visa sponsorship. National Grid utilizes an assessment that evaluates the job qualifications/characteristics using AI or statistically based scoring. This position has a career path which provides for advancement opportunities within and across bands as you develop and evolve in the position; gaining experience, expertise and acquiring and applying technical skills. Candidates will be assessed and provided offers against the minimum qualifications of this role and their individual experience. National Grid is committed to providing equal employment opportunities to all employees and applicants for employment regardless of protected class. We do not discriminate on the basis of race, color, religion, sex (including pregnancy, gender identity, and sexual orientation), national origin, age, disability, genetic information, or any other protected status in accordance with applicable federal, state, and local laws. National Grid maintains affirmative action programs for individuals with disabilities and protected veterans. Our employment practices are designed to ensure that all individuals are treated fairly and with respect throughout the hiring process and during employment. National Grid complies with all applicable federal, state, and local anti-discrimination laws. We are dedicated to fostering a workplace that is free from unlawful discrimination and harassment, and we encourage a culture of respect for all. #LI-BP1