Graduate Development Program, Associate Engineer, Transmission Planning Modeling

National Grid Plc; Waltham (MA); On-site; USD 101,000 - 119,000; Full time

Benefits offered by this job

Annual bonus

Pension plan (retirement)

Private medical insurance

Orientation & mentoring

Job summary

National Grid seeks an Associate Engineer for the Transmission Planning Modeling team in Waltham, MA. You will help develop and maintain power system models used to evaluate grid reliability, support interconnections, and plan future transmission investments across New England.

Working with experienced engineers, you will gain hands-on experience in modeling, planning, and operations while contributing to studies that ensure a safe, reliable energy network.

Qualifications

• Bachelor or Master’s in Electrical Engineering from an accredited institution.
• Coursework, internship, co-op, or project experience related to power systems engineering.
• Graduated between May 2026 and June 2027.
• Ability to begin the National Grid Graduate Program on June 7, 2027, or July 12, 2027.
• Work authorization that does not require visa sponsorship in the United States.

Responsibilities

• Develop and maintain transmission planning models to evaluate system reliability and future grid needs.
• Update planning cases reflecting transmission projects, generation interconnections, load forecast changes, and system modifications.
• Perform model validation and QA to ensure planning data accurately represents the transmission system.
• Collaborate with engineering, operations, and asset management teams to gather and maintain system information.
• Support transmission planning studies including power flow, short-circuit, and system performance analyses.
• Assist with regional planning activities, planning case documentation, and compliance with industry reliability standards.

Skills

Power systems engineering

Transmission planning modeling

Data analysis

Education

Bachelor's or Master’s in Electrical Engineering

Tools

Power system modeling software

Job description

About the Position

Interested in helping shape the future of the electric grid? As an Associate Engineer on the Transmission Planning Modeling team, you'll help develop and maintain the power system models used to evaluate grid reliability, support generation interconnections, and plan future transmission investments across New England. Working alongside experienced engineers, you'll gain hands-on experience in power system modeling, transmission planning, and electric grid operations while contributing to studies that help ensure a safe, reliable, and resilient energy network.

What You'll Do

• Develop and maintain transmission planning models used to evaluate system reliability and future grid needs.
• Update planning cases to reflect transmission projects, generation interconnections, load forecast changes, and system modifications.
• Perform model validation and quality assurance reviews to ensure planning data accurately represents the transmission system.
• Collaborate with engineering, operations, and asset management teams to gather, verify, and maintain system information.
• Support transmission planning studies, including power flow, short-circuit, and system performance analyses.
• Assist with regional planning activities, planning case documentation, and compliance with industry reliability standards.

What You'll Need to Apply

• Bachelor or Master’s in Electrical Engineering degree from an accredited institution.
• Coursework, internship, co-op, or project experience related to power systems engineering.
• Graduated between May 2026 and June 2027
• Ability to begin the National Grid Graduate Program on June 7, 2027, or July 12, 2027
• Work authorization that does not now or in the future require sponsorship of a visa for employment authorization in the United States (such as sponsorship for an H-1B, TN, O, L, STEM OPT, or other employment-based work authorization)

It would be awesome if you had

• Exposure to power system modeling or analysis software through coursework, research, internships, or projects.
• Experience working with technical data sets and presenting findings or recommendations.

What You'll Get in Return

• Structured development opportunities, mentorship, and ongoing feedback to accelerate your career growth
• Exposure to leaders, cross-functional teams, and diverse areas of the business
• Opportunities to build your professional network and develop lasting industry connections
• Meaningful work and real-world experience that provide a strong foundation for a long-term career at National Grid
• Competitive salary ranging from $101,000 to $119,000, plus a comprehensive benefits package

National Grid's Graduate Development Program (GDP) is a year-long development program for recent college graduates who aspire to take on future leadership roles in a dynamic, ever-changing industry. Graduates will shape the future of National Grid. Bringing fresh thinking, new perspectives, and exploring with energy, we'll give you real responsibility and an opportunity to move with purpose from day one – putting the power to supercharge your career in your hands.

Graduates start their careers at National Grid with an in-depth 3-week in-person Orientation which gives you exposure to all parts of the company, allows you to network with your Graduate cohort, GDP alumni, and senior leaders, and provides you with the opportunity to travel throughout our service territory in the northeast US. Following Orientation, you'll begin working in the full‑time position outlined below and take part in robust in‑person and virtual development activities throughout the year. This includes monthly development sessions, active mentorship, and an intensive and immersive “Hackathon Project” where you “hack” a real-world National Grid problem.

About National Grid

National Grid is the critical energy infrastructure company, operating the electricity and gas networks and infrastructures that connects millions of people to the energy they use everyday, supporting homes, businesses and communities across Massachusetts and New York.

We know the future of energy won't be shaped by what we know today. It will be shaped by what's possible tomorrow. That's why we're investing in the next generation of talent, giving undergraduates and graduates the opportunity to learn from experts, gain hands‑on experience and contribute to work that matters from day one.

Are you ready to unlock the power of the possible?

More Information

Waltham, Massachusetts $101,000 - $119,000 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.

Please note US Colleagues must reside within our existing footprint, which includes Massachusetts, New York, New Jersey, Pennsylvania, Connecticut, New Hampshire, Maine, Rhode Island and Vermont. As a National Grid employee, you should also reside within a reasonable, commutable distance to your assigned primary office.

Applications close on December 1, 2026. As we review applications on a rolling basis, this posting may close earlier if we receive a sufficient number of qualified applications. Early application is encouraged.

National Grid utilizes an assessment that evaluates the job qualifications/characteristics using AI or statistically based scoring. For more information, please view NYC Local Law 144 .

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.

Safety, Health, Environment and Resilience

National Grid operates in both the UK and US, with a broad portfolio of energy businesses dedicated to providing safe, reliable, and sustainable power.

From electricity and gas transmission to advancing clean energy and modernising grids, our work covers every aspect of the energy system.

Our energy flows through absolutely everything we do

Life here at National Grid is more than just our purpose or our values, it’s everything we put into everything we do. It’s our commitment to diversity and inclusion; how we help our employees learn and grow; and how we partner with and support the communities where we live and work. It’s all this, and so much more.

We leverage our collective strengths to do meaningful BIG work so that we can be at the heart of a fair and affordable energy future.

Your salary is reviewed each year against the market for your role, skills, knowledge and experience.

Incentive

• Annual performance plan or bonus (depending on your role) rewards your contribution to our success each year.

Retirement

• Generous pension plan with company contributions up to 12%.
• Private medical insurance for self and family.