OT Security Engineer (C++)



Cambridge, MA, USA
Posted on Tuesday, March 5, 2024

Founded by mathematicians and cyber defense experts in 2013, Darktrace is a global leader in cyber security AI, delivering complete AI-powered solutions in its mission to free the world of cyber disruption. We protect more than 8,400 customers from the world’s most complex threats, including ransomware, cloud, and SaaS attacks.

Our roots lie deep in innovation. The Darktrace AI Research Centre based in Cambridge, UK, has conducted research establishing new thresholds in cyber security, with technology innovations backed by over 130 patents and pending applications. The company’s European R&D center is located in The Hague, Netherlands.

Headquartered in Cambridge, UK, Darktrace has more than 2,400 employees located globally. Customers include public sector agencies, education institutions, media, organizations supplying critical infrastructure, and businesses of all sizes worldwide.

This is an excellent opportunity to join a fast-growing company, named one of TIME magazine’s “Most Influential Companies” for 2021 and one of Fast Company’s “Most Innovative AI Companies” in 2022. For more information on our cutting-edge technology, visit darktrace.com.

You will join the significant R&D teams in Cambridge that create and improve the products behind the company’s rapid growth. Our software engineers work across a wide variety of projects and with a diverse toolset. You will bring control system engineering experience to our ongoing goal of using AI to deliver the best possible cybersecurity for OT.

This is a hybrid role, and the expectation would be to work a minimum of 2 days a week in the Cambridge office.


  • Working with multiple control system hardware and software deployments in an OT focused development laboratory.
  • Working with core software modules which are written in C++ and Python.
  • Working with numerous different supporting and component technologies and applications (e.g. docker, terraform).
  • Able to work within a small team with a mix of controls engineering and software development skills and experience.
  • Successfully prioritise how work fits into wider progress, as well as solving immediate challenges.

Candidate Requirements:

  • Self-motivated, strong time management skills, and the ability to effectively prioritise a varied workload.
  • Software/hardware experience with multiple control system vendor deployments e.g. ABB, Honeywell, Yokogawa, Emerson, Mitsubishi, GE, Siemens, Rockwell.
  • C++, Python or other high-level programming experience.
  • Linux software development environment.
  • Cyber security domain knowledge.


  • 23 days holiday + a day off for your birthday, rising to 25 (+ birthday) after 2 years.
  • All UK public holidays
  • BUPA healthcare with premiums fully paid by Darktrace for employee + eligible family members.
  • Salary Sacrifice pension scheme with company contribution of 4% and employee contribution of 5%
  • Life Insurance 4x salary
  • Cycle to work scheme