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Principal Software Engineer, Core Engineering

Waltham, Massachusetts



Our IT ambition is to be recognized for ‘Transforming National Grid into the leader of the digital energy future’. Market innovation will drive the digital utility. We plan to enhance our IT offerings, mature the way we interact with our business partners, and transform the culture of our teams. Culturally, we will be placing a stronger emphasis on designing systems around the end user. We are establishing an operating model based on accountability and empowering our workforce to share ideas and drive continuous improvement. There will be clear career options within the company, both management and technical. We are focusing on enhancing and investing in both leadership capability and developing necessary technical expertise.

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Job Description

Principal Software Engineer, Core Engineering

Organization Information Technology Department IT Data and Digital

About us

Come be a part of driving National Grid’s digital transformation!  We are digital creators, continuous learners and daring innovators.We leverage digital innovative ways to create products and catalyze the transformation of National Grid's business units into more agile and digitally native organizations in our shared purpose of bringing energy to life. We need you

Job Purpose

As a Principal Software Engineer in our Core Software Engineering team, you are seen as a strong leader of Engineering with exceptional engineering skills.  You will inspire our Product Engineers to be their best through demonstration of software engineering best practices.  We foster a culture of quality software engineering by demonstrating leading application testing, security and operation skills. 

What you'll do

  • Supporting product teams to understand and resolve critical technical issues in any of our engineering products.  You’ll also demonstrate expert knowledge of industry best practice in a least one programming language and technology stack (.NET is a huge plus!) You’ll successfully influence the organization technical roadmap.
  • You’ll create complex architectural designs that are understood and implemented by all Engineering Product teams.
  • You’ll be an active influencer of organization wide technology decisions. 
  • Build teams! You’ll be an active participant in the hiring of new senior talent to Core Engineering and across our Product Engineering Teams.

What you'll need

  • You bring 10+ years of Software Engineering experience, as an expert in delivery of software products (ideally in the Microsoft stack)
  • You are seen as an influencer in engineering, and an expert practitioner of object-oriented programming principles, including SOLID and DDD
  • You’re experience with quality driven approach to code authoring and testing, producing idiomatic and maintainable code
    1. Most of all- You’re ready to continue building a strong engineering team that is innovating within the energy sector and modernizing the grid.


Azure | AWS | GCP | C# | JavaScript | TypeScript | NoSQL | Eventing | Agile

More Information

At National Grid, we keep the lights on and homes warm.  But it’s so much more than that.  We keep people connected and society moving.  This is no easy feat, and it takes all of us.  But National Grid supplies us with the environment to make it happen.  As we generate momentum in the energy transition for all, we don’t plan on leaving any of our customers in the dark.  So, join us and help bring energy to life.



$172,000 - $242,000 a year

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 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.  


Success Profile

What makes you a successful Information Technology team player at National Grid? Check out the top traits we’re looking for and see if you have the right mix.

  • Strategic
  • Inventive
  • Collaborative
  • Proactive
  • Results-driven
  • Leadership
a group people looking at code on a laptop

Our culture

  • A culture of inclusivity where the best ideas can come from anywhere.
  • A belief that we do our best work when we all work together.
  • An understanding that to engineer the future, you have to think out of the box.


  • Healthcare

  • 401(k)

  • Continuing education

  • Paid time off

  • Employee assistance (EAP)

  • Health & wellness

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Learn more about environmental responsibility at National Grid.

Learn more about environmental responsibility at National Grid

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