Skip Navigation


Search Jobs

or Search with LinkedIn

Operational Technology Security Engineer, Service Delivery

Waltham, Massachusetts

Apply Now


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.

Back to Job Navigation (Overview)

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

Back to Job Navigation (Success)


  • Healthcare

  • 401(k)

  • Continuing

  • Paid Time Off

  • Employee
    Assistance (EAP)

  • Health & Wellness

Back to Job Navigation (Benefits)



About us

National Grid is hiring an Operational Technology Security Engineer for our security operations team in Waltham, 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 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

  • Identification, development and delivery of robust and innovative security product engineering solutions to protect National Grid’s operational cyber assets from internal and external threats
  • Engineering and design of security solutions and products, include architecture reviews and development, vendor engagement, and testing/implementation of controls
  • Engagement with business stakeholders to ensure customer requirements are met and all OT security products meet functional, quality and operational assurance standards
  • Ongoing support of delivered solutions throughout the product lifecycle.

Key Accountabilities

  • Experience in OT & Cyber Security
  • Experience with architecture and design of OT networks, security solutions
  • Strong understanding of key cyber security controls that should be implemented within OT environments
  • Application and conducting risk assessments of ICS/SCADA/OT environments
  • Strong understanding of OT networks, protocols, assets/devices, and engineering of those solutions
  • Technical engineer
  • Strong understanding of OT/energy security, components and challenges

Supervisory/Interpersonal- Experience Required

  • Demonstrating sound judgement and decision making, and be able to credibly interact professionally at all levels across the organization.
  • Able to demonstrate a high degree of credibility and influence senior stakeholders within the organization and key external stakeholders.



  • Educated to Bachelors degree level (ideally in Electrical or Mechanical Engineering), or equivalent combination of education and experience.
  • An Information Security qualification such as CISSP, CISM or GIAC would be desirable
  • If no bachelors degree, potential consideration if don’t have a degree to the extent have strong technical know-how and experience within OT environments
  • Project management and delivery of solutions across OT environments
  • Practical Experience in delivery of controls, project management, design, or application of controls within Industrial Control systems in either electric, oil or gas industries
  • Ability to define and deliver services to internal and external customers, achieving excellent customer satisfaction.
  • A thorough knowledge of Protection & Control and Distributed Control/Industrial Control/SCADA systems as applied in electricity and gas transmission, and experience in testing.
  • Strong problem solving and conceptual thinking capabilities.
  • Excellent verbal and written communication skills.
  • Ability to create and work in virtual teams to solve business issues.
  • Greater than 3 years’ applied practical experience of industrial control systems (ICS) such as Protection and Control (P&C) in the Electricity Industry and/or Distributed Control Systems (DCS) in the Oil and Gas Industry.


  • Demonstrable experience in cyber security as applied to ICS, SCADA, P&C and DCS systems (such as Intrusion detection systems and design, OT incident response and vulnerability management, etc.)
  • Thorough knowledge of typical Industrial Control System vulnerabilities, exploitation mechanisms, security testing and remediation / mitigation measures
  • General experience in IT and networking
  • Understanding of IEC 62443, NERC CIP, or ICS/Operational technology standards would also be desirable.

More Information

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.

Apply Now

Sign up for Job Alerts

Sign up for Job Alerts

Search by category, location or a combination of the two. Select the desired result and click “add”. You can add as many search terms as desired.

Area of InterestSearch for a category and select one from the list of suggestions. Select a location from the list of options. Finally, click “Add” to create your job alert.

  • Information Technology, Waltham, Massachusetts, United StatesRemove
  • Featured, Waltham, Massachusetts, United StatesRemove
  • Electrical Engineering, Waltham, Massachusetts, United StatesRemove
  • Cyber Security, Waltham, Massachusetts, United StatesRemove


  • 2016 World's Most Ethical Companies
  • 2017 World's Most Ethical Companies
  • 2018 World's Most Ethical Companies
  • Human Rights Campaign 2018 Best Places to Work for LGBTQ Equality 100% Corporate Equality Index
  • Best in class 2017 4017(k) plan sponsor
  • Reader's Choice 2018 a top 50 employer Careers & the disABLED

Back to Job Navigation (Awards)

We support developing the skills and capabilities of young people in the science, technology, engineering and mathematics (STEM) subjects. It supports our future talent recruitment and our desire to see young people gain meaningful employment.

Learn more about our Student Programs