Our Ability Jobs

Job Information

National Grid Senior Engineer, Electrical Planning and Design in Waltham, Massachusetts

About us

National Grid is hiring Senior Engineers for our Electric Organization, with several positions based in Waltham, MA; Northborough, MA; or Hopedale, MA.

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 put 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 ourselves and our business.

Job Purpose

Senior Engineers at National Grid play a pivotal role in ensuring the reliability, safety, and efficiency of our electric transmission and distribution systems. These positions involve developing standards, designing control systems, managing assets, and integrating new technologies. Senior Engineers work across various departments to support construction, maintenance, and operation of electrical systems, contributing to strategic business objectives and regulatory compliance.

Key Accountabilities

Substation Standards

  • Prepare and contribute to the development, technical content and implementation of National Grid’s Substation Engineering and Design philosophy, standards, guidelines, equipment specifications and procedures; identify risks and put in place actions to ensure compliance with standards and regulatory requirements.

  • Technical support provided to various departments including Engineering, Design, Operations, IT and Construction.

  • Review single lines, elementaries, physicals (plans and elevations), conduit and cable schedules, lighting, lightning, bill of materials, etc. including manufacturers’ drawings.

  • Research and support the adoption of new and innovative technologies for the substation business, including support of pilots.

  • Ability to perform calculations and studies (grounding, AC & DC system sizing, lightning protection, lighting, rigid bus design, etc.) to support substation standards design basis.

Transmission Line Standards

  • Develop technical content and implementation of National Grid’s Transmission Engineering and Design philosophy, standards, guidelines, and procedures; identify risks and put in place actions to ensure compliance with standards and regulatory requirements.

  • Technical support provided to various departments including Engineering, Design, Operations, and Construction.

  • Identifies, investigates, and qualifies approved manufacturers of equipment and monitors their performance, reliability, service, representation, and contribution to the industry.

  • Investigate equipment problems and failures with manufacturers and vendors with recommendations based on investigative results for corrective and preventative actions and or procurement of new equipment and materials.

  • Research and support the adoption of new and innovative technologies for the transmission line business, including support of pilots.

Protection Engineering

  • Provide protection design and perform coordination and short circuit engineering studies, analysis, and disturbance investigations, to recommend corrective action in problem areas, or to prevent problems.

  • Independently collate and analyze data using ASPEN, symmetrical components, and manufacturer equipment software to support the department’s decision-making process.

  • Evaluate, select, set, and design protective systems for National Grid’s substation and transmission lines.

  • Provide technical support of protection & control systems for all voltage levels of National Grid's transmission and distribution system.

  • Perform arc flash study for National Grid substations and improve relay settings to reduce arc flash energy level while maintaining the proper protection and coordination while working with other project team to formulate long term P & C system upgrade strategies

Distribution Planning and Asset Management

  • Assess the performance of the sub-Transmission and Distribution system performance regarding capacity and reliability and develop modernization plans as necessary.

  • Conduct short- and long-term area studies and develop long term integrated/area plans for infrastructure development to meet National Grid’s strategic objectives

  • Develop conceptual project plans that if implemented economically address identified T&D system needs.

  • Provide technical support to internal and external departments for the application, operation, and maintenance of the electric transmission and distribution system.

  • Evaluate co-generation interconnection requests for impact on the distribution system and develop plans for suitable connection

  • Resolve customer issues and operating problems, i.e., fault duty calculations, stray voltage, power quality, motor start, etc.


  • Bachelor of Science in Electrical, Civil/Structural, or Mechanical Engineering from an ABET accredited school. A Master's degree or Professional

  • Engineer in Training Certificate (EIT) or Engineering (PE) license is preferred for some roles.

  • 5+ years of relevant engineering experience, with specific experience in transmission, distribution, or substation engineering.

  • Strong working knowledge of industry standards, safety standards, and current design codes, especially the National Electrical Safety Code (NESC).

  • Proficient Microsoft Office computer skills (Word, Excel, PowerPoint).

  • Excellent verbal and written communication skills.

  • Knowledge of relevant industry practice, standards and legislation including technical advancements.

Technical Skills – Electric Standards

  • Working knowledge of industry standards, safety standards, and existing electrical design codes including put not limited to: substation construction and maintenance practices, electric utility practices, substation materials and equipment, grounding and lightning study analysis, IEEE, ANSI, NFPA 70, ASTM, NEC, and NESC codes.

Additional Requirements

  • Valid driver's license with a safe driving record.

  • Willingness to travel for meetings, training, and conferences, including potential extended hours for emergencies or system events.

More Information

Salary: $124,000 - $146,000

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. Internal candidates will be assessed and provided offers against the minimum qualifications of this role and their individual experience.

National Grid is an equal opportunity employer that values a broad diversity of talent, knowledge, experience and expertise.  We foster a culture of inclusion that drives employee engagement to deliver superior performance to the communities we serve.  National Grid is proud to be an affirmative action employer. We encourage minorities, women, individuals with disabilities and protected veterans to join the National Grid team.