Senior Automation Engineer OT, NA

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.

The Automation Systems Group is responsible for the design, construction and support of cutting-edge data center automation and control infrastructure. The department collaborates with Operations, Sales, Engineering, Information Technology and Management to ensure the system continues to fulfill Vantage customer requirements. Automation Systems works closely with partner contractors to come up with the best design and helps manage these partners to success by providing accurate requirements, goals, and timelines.

In addition to design and construction, we are also responsible for the technical requirements of the Operations department involving troubleshooting, calibrating, and repairing mission critical control systems throughout all Vantage locations.

This position will be based on-site at our office in Phoenix, AZ, in alignment with our flexible work policy (3 days on site required, 2 days flexible).

Vantage is looking for an ambitious, diligent, hands‑on Senior Automation Engineer for our Operational Technology (OT) team who will be responsible for developing, planning, and executing OT networks and infrastructure, including technical influence and program ownership. This role involves providing cybersecurity and network services for OT systems within the company's Automation production environments. This critical position will shape the future of compliant and secure OT systems, involving the evaluation, testing, and remediation of IC S / SCADA OT systems.

You will help develop standardization and continuous improvement of OT systems across the Vantage NA portfolio. You could also be called on to troubleshoot existing automation systems in a live, mission‑critical environment, and complete startup, commissioning, and validation procedures on new and existing mission critical data center infrastructure.

• Design, configure, and maintain OT networks using Cisco Stratix switches and industrial firewalls.
• Configure and maintain OT network switches, firewalls and security solutions to include troubleshooting, upgrading, and maintaining.
• Implement and troubleshoot DLR and REP topologies for high availability and fault tolerance.
• Implement and manage security controls and technologies specific to OT environments, such as intrusion detection systems (IDS), firewalls, and network monitoring tools.
• Develop and support automation solutions using Rockwell Automation PLCs (Control Logix, Compact Logix, etc.).
• Build and maintain SCADA systems using Inductive Automation Ignition, including tag configuration, scripting, and dashboard development.
• Collaborate with IT and OT teams to ensure secure and reliable integration between enterprise and plant‑floor systems.
• Collaborate with compliance teams to conduct assessments and audits.
• Perform network diagnostics, monitoring, and performance tuning.
• Maintain documentation for network architecture, PLC programs, and SCADA configurations.
• Ensure compliance with cybersecurity standards and best practices in OT environments.
• Experienced in IEC-62443, NIST 800-82, and all other industrial cybersecurity standards.
• Support the start‑up and testing of complex control systems that are tied to the OT network.
• Collaborate with members of the Design, Engineering, and Construction team during projects, as well as members of the Reliability Engineering team.
• Provide 24/7/365 tier 2 support to the Automation Services team on a rotating basis for network issues.

• Bachelor's degree in Industrial Engineering, Electrical Engineering, Computer Engineering, or a related field; equivalent industry experience will also be considered.
• 5+ years of…