OT Cybersecurity Engineer - Pen Testing / Purple Team

Responsibilities

• Partner closely with the OT Cybersecurity Manager, other OT Cybersecurity Engineers, and wider cybersecurity functions including GRC and Threat Intelligence.
• Represent OT Cybersecurity, supporting on call activities and participating in meetings with site operations, vendors, and internal stakeholders to drive consistent implementation of OT cybersecurity practices.
• Perform OT Cybersecurity Risk assessments against best practices and industry frameworks (e.g., ISA/IEC 62443, NIST SP 800-82, NIST CSF) including participating in audits.
• Support integration of OT security monitoring into SOC workflows, including alert tuning, use case development, detection improvement, and SOAR playbook development.
• Support validation of alerts, reduce false positives, identify detection gaps, and improve response effectiveness against relevant OT attack techniques.
• Support Implementation and Ongoing management of Privileged Remote Access (PRA) solution to control and monitor third party access to critical OT environments.
• Perform OT asset discovery, inventory management, and risk classification using OT monitoring platforms (e.g., passive monitoring tools), and support the deployment and configuration of ICS/OT IDS solutions.
• Work closely with data center teams to ensure cybersecurity controls do not impact uptime, safety, or operational resilience.
• Researching, developing, operationalizing, evaluating, and improving OT defensive tactics, techniques, and procedures (TTPs) for detecting and responding to cyber threats
• Maintain and create documentation as needed
• Perform other ad hoc duties to support the company's security goals.
• Job Requirements
• Hands-on experience in IT / OT environments , deploying, configuring, and supporting IT / OT cybersecurity solutions across industrial systems and critical infrastructure.
• Proven experience performing cybersecurity risk assessments across IT / OT environments, including identification of threats, vulnerabilities, and operational impacts.
• Understanding of security testing methodologies , including white box, grey box, and controlled (non-disruptive)

Benefits

Additional Information

About Vantage Data Centers Vantage Data Centers powers, cools, protects and connects the technology of the world's well-known hyperscalers, cloud providers and large enterprises. Developing and operating across North America, EMEA and Asia Pacific, Vantage has evolved data center design in innovative ways to deliver dramatic gains in reliability, efficiency and sustainability in flexible environments that can scale as quickly as the market demands. Position Overview The Vantage Cybersecurity Department is very hands-on. In most cases, we specify, purchase, configure, and maintain all networking and server hardware with a keen focus on cybersecurity measures. We also work closely with partner Value Added Resellers (VARs) to learn about the latest technological changes and cybersecurity trends so that we can make informed purchase decisions. We are always looking for ways to strike the best balance between technology, performance, cost, and cybersecurity. Vantage Cybersecurity Department also participates in designing each of our new data center building's cybersecurity infrastructure. If you like getting your hands dirty and helping to design, build, and maintain cybersecurity infrastructure in a modern data center, then come work at Vantage. We're expanding with many new builds, enhancing our focus on safeguarding data and infrastructure in the face of evolving cyber threats. The ICS/OT Cybersecurity Engineer will support the security of a global OT environment by implementing, and validating cybersecurity controls across ICS/OT systems. The role includes performing risk and vulnerability assessments, contributing to secure architecture and strategy, and delivering hands-on implementation of OT security solutions such as segmentation, monitoring, and privileged remote access. The engineer will also support controlled security testing and purple team activities to validate controls, identify attack paths, and improve detection and response. Additional responsibilities include analysis of security events, root cause investigation, and continuous improvement of monitoring and response capabilities, while working closely with other teams to ensure a safe, non disruptive security posture.

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