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Ot Infrastructure Engineer Jobs (NOW HIRING)

Awg

OT Infrastructure Engineer

Lincoln, NE · Hybrid

$93.60K - $122.80K/yr

The OT Infrastructure Engineer role is part of the OT Network and Infrastructure team and is responsible for ensuring the availability, maintenance and assurance of the OT domain (a hybrid cloud and ...

Awg

OT Infrastructure Engineer

Huntingdon, PA · Hybrid

$95.80K - $125.60K/yr

The OT Infrastructure Engineer role is part of the OT Network and Infrastructure team and is responsible for ensuring the availability, maintenance and assurance of the OT domain (a hybrid cloud and ...

Ineos

IT/OT Infrastructure Engineer

League City, TX

Network administration, engineering, and troubleshooting expertise * Firewall, switch, and router ... Take a leadership role in IT/OT infrastructure and project initiatives Behavioral Skills * Able to ...

advansix

Mentor infrastructure engineers and encourage knowledge transfer to reduce key-person dependencies ... Handson knowledge of OT/ICS architectures, including plant networks and industrial protocols.

INEOS

IT/OT Infrastructure Engineer

League City, TX · On-site

Network administration, engineering, and troubleshooting expertise * Firewall, switch, and router ... Take a leadership role in IT/OT infrastructure and project initiatives Behavioral Skills * Able to ...

Genentech

ITOT Infrastructure Engineer

Hillsboro, OR

$95.20K - $176.80K/yr

As IT OT Infrastructure Engineer, you will be responsible for the local Manufacturing Infrastructure and act as the key contact for the Global IT Teams delivering and operating the Global ...

Terabase Energy

IT Infrastructure Engineer

Sacramento, CA · Hybrid

$100K - $130K/yr

The ideal candidate has experience supporting production OT/industrial environments and understands ... years of infrastructure engineering experience in production environments. * Strong hands-on ...

Terabase Energy

IT Infrastructure Engineer

Sacramento, CA · Remote

$100K - $130K/yr

The ideal candidate has experience supporting production OT/industrial environments and understands ... years of infrastructure engineering experience in production environments. * Strong hands-on ...

Terabase Energy

IT Infrastructure Engineer

Sacramento, CA · On-site +1

$100K - $130K/yr

The ideal candidate has experience supporting production OT/industrial environments and understands ... years of infrastructure engineering experience in production environments. * Strong hands-on ...

Molg

Infrastructure Engineer

Sterling, VA · On-site

$106.50K - $139.60K/yr

As an Infrastructure Engineer, you will: * Own the design, deployment, and operation of Molg ... OT environments. * Proficiency with Unix/Linux systems administration and shell scripting.

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$46.5K

$127.1K

$182K

How much do ot infrastructure engineer jobs pay per year?

As of May 29, 2026, the average yearly pay for ot infrastructure engineer in the United States is $127,066.00, according to ZipRecruiter salary data. Most workers in this role earn between $107,500.00 and $141,000.00 per year, depending on experience, location, and employer.

What are the key skills and qualifications needed to thrive as an OT Infrastructure Engineer, and why are they important?

To thrive as an OT Infrastructure Engineer, you need a solid background in industrial control systems, network architecture, and cybersecurity, often supported by a degree in engineering or information technology. Familiarity with SCADA, DCS, PLCs, and relevant cybersecurity certifications like CISSP or GICSP is typically required. Strong problem-solving abilities, collaboration, and effective communication are crucial soft skills in this role. These skills and qualifications are important to ensure the secure, reliable, and efficient operation of critical industrial infrastructure.

What are some common challenges faced by OT Infrastructure Engineers when integrating legacy systems with modern technologies?

OT Infrastructure Engineers often encounter difficulties when integrating legacy operational technology systems with newer IT solutions because older equipment may lack support for modern protocols or security features. Bridging this gap requires careful planning, custom interfaces, and rigorous testing to ensure reliability and security. Collaboration with both IT and OT teams is essential to balance operational continuity with technological advancement. Engineers should also be prepared to manage compatibility issues and minimize downtime during upgrades.

What are OT Infrastructure Engineers?

OT Infrastructure Engineers are professionals who design, implement, and maintain the operational technology (OT) systems critical to industrial environments such as manufacturing plants, utilities, and energy facilities. They focus on the hardware and software that control physical devices and processes, ensuring these systems are secure, reliable, and seamlessly integrated with IT networks. Their role often involves working with industrial control systems (ICS), SCADA, and other specialized technologies to support safe and efficient operations.

What is the difference between Ot Infrastructure Engineer vs Network Engineer?

AspectOt Infrastructure EngineerNetwork Engineer
CredentialsTypically requires a degree in engineering, certifications like Cisco CCNA or CompTIA Network+Usually holds similar certifications such as Cisco CCNA, CompTIA Network+
Work EnvironmentFocuses on industrial control systems, OT networks, and manufacturing environmentsWorks on enterprise and corporate network infrastructure
Industry UsagePrimarily in manufacturing, utilities, and industrial sectorsCommon across IT, telecommunications, and corporate sectors

Ot Infrastructure Engineers and Network Engineers share similar certifications and work environments, but Ot Infrastructure Engineers specialize in industrial control systems and operational technology networks, whereas Network Engineers focus on enterprise IT networks. Both roles are essential for maintaining secure and reliable network infrastructure within their respective industries.

More about Ot Infrastructure Engineer jobs
What cities are hiring for Ot Infrastructure Engineer jobs? Cities with the most Ot Infrastructure Engineer job openings:
What states have the most Ot Infrastructure Engineer jobs? States with the most job openings for Ot Infrastructure Engineer jobs include:
What job categories do people searching Ot Infrastructure Engineer jobs look for? The top searched job categories for Ot Infrastructure Engineer jobs are:
Ot Infrastructure Engineer jobs near you
Infographic showing various Ot Infrastructure Engineer job openings in the United States as of May 2026, with employment types broken down into 84% Full Time, and 16% Contract. Highlights an 100% In-person job distribution, with an average salary of $127,066 per year, or $61.1 per hour.

OT Infrastructure Engineer

Keel Infrastructure

New York, NY • On-site

$160K - $250K/yr

Full-time, Part-time

Medical, Retirement

Posted 22 days ago

Job description

Careers at Keel
Keel Infrastructure is a publicly traded energy and digital infrastructure company that develops and owns data centers and power assets across North America.
At Keel, you're not just joining a company, you're helping build the infrastructure behind the future of compute.
Why Keel
We're at the intersection of energy and technology, two industries transforming in real time.
The work is complex. The pace is fast. The impact is real.
You'll be part of a team that values:
  • Ownership- we take responsibility and follow through
  • Collaboration- we work across teams, functions, and borders
  • Curiosity- we ask questions and keep learning
  • Endurance- we build for the long term

What It Feels Like to Work Here
  • Fast-moving, high-growth, and hands-on
  • Smart, driven people solving real challengestogether
  • Work that directly supports AI and next-generation infrastructure
  • Room to grow, stretch, and take on more

What We Offer
  • Competitive salary, bonusand equity opportunities
  • Comprehensive health and wellness benefits
  • Retirement savings with company contribution
  • Employee referral program

We are currently looking for an OT Infrastructure Engineer to join our team
Compensation
Expected Salary (NYC): $160,000-$250,000 USD
Position Overview
The OT Infrastructure Engineer is responsible for the design, deployment, and operational integrity of Operational Technology (OT) systems across Keel Infrastructure's global portfolio of data centers and energy infrastructure. Reporting to the Director of Global Network Infrastructure, this is a hands-on engineering role requiring deep expertise across industrial control systems, facility automation, and OT networking - with direct accountability for the reliability and security of the OT infrastructure underpinning data center operations worldwide.
The OT Infrastructure Engineer owns the full lifecycle of the OT systems - from architecture and engineering design through commissioning, steady-state operations, and lifecycle refresh - across SCADA platforms, distributed control systems (DCS), programmable logic controllers (PLC/RTU), building management systems (BMS), power monitoring, and facility automation infrastructure. This role works in close coordination with the Infrastructure Operations Center (IOC), IT infrastructure teams, and data center facilities to ensure full OT operational visibility and robust IT/OT integration across all sites.
Key Responsibilities
OT Systems Engineering & Lifecycle
  • Own the architecture, design, and full lifecycle of OT systems across all Keel's data center and energy infrastructure sites - including SCADA platforms, DCS, PLC/RTU controllers, HMI systems, historian platforms, BMS, energy management systems (EMS), and power monitoring infrastructure.
  • Design, configure, and validate control logic, I/O mappings, and communication architectures for data center facility automation systems - including analog/digital I/O, interlock logic, alarm management frameworks, and setpoint management across multi-site deployments.
  • Manage OT communication protocol stacks and integration layers - including Modbus, TCP/RTU, DNP3, BACnet/IP, PROFINET, IEC 61850, OPC-UA, and MQTT - ensuring reliable, well-documented data flows between field devices, controllers, and supervisory layers.
  • Engineer, configure, and commission OT networking infrastructure - including industrial Ethernet switches (managed L2/L3), ring redundancy topologies (HSR/PRP/RSTP), serial communication converters, and OT DMZ architecture at the IT/OT boundary.
  • Perform capacity planning and performance analysis for OT infrastructure - monitoring historian tag counts, controller CPU/memory utilization, polling cycle times, and OT network bandwith to ensure headroom is maintained ahead of data center expansion.
  • Maintain OT configuration management standards - including version-controlled PLC/SCADA project backups, firmware revision logs, change history records, and golden-image management for all programmable field devices.
  • Manage the full OT asset lifecycle - from procurement and factory acceptance testing (FAT) through site acceptance testing (SAT), commissioning, and end-of-life decommission - maintain an accurate OT asset register and CMDB.
Data Center Facility Automation & Power Systems
  • Own the integration of BMS and EMS platforms with datacenter power infrastructure - including UPS systems, PDUs, automatic transfer switches (ATS), generators, and utility metering - ensuring accurate real-time monitoring, alarm coverage, and control of critical power paths.
  • Manage cooling and environmental control system integration - including CRAC/CRAH units, chillers, cooling towers, and precision air handling - ensuring automation logic aligns with data center thermal management requirements and PUE/energy efficiency targets.
  • Configure and maintain power monitoring systems - including multi-circuit power meters, CT/PT instrumentation, and energy dashboards - ensuring data accuracy, alarm coverage, and integration with data center infrastructure management (DCIM) platforms.
  • Lead alarm rationalization processes across all facility automation systems - reviewing alarm priority structures, suppression logic, deadbands, and nuisance alarm elimination to ensure operators receive actionable, prioritized alarms.
  • Define and maintain OT data feed requirements into the IOC - including telemetry specifications, tag naming conventions, threshold logic, and escalation paths for facility power, cooling, and environmental parameters.
OT Cybersecurity & Compliance
  • Own and enforce OT cybersecurity posture across all data center sites - implementing network segmentation in alignment with IEC 62443 zone and conduit models and Purdue Model architecture, including OT DMZ design, unidirectional security gateways where required, and jump host/bastion controls for all OT system access.
  • Manage OT vulnerability assessment and patch management - triaging CVEs against asset criticality and availability constraints, coordinating vendor-approved patch schedules, and maintaining compensating controls where immediate patching is not feasible.
  • Enforce OT access control standards - including RBAC for SCADA/HMI systems, USB and removable media policies, remote access controls (VPN with MFA), and privileged account management for engineering workstations and field devices.
  • Maintain OT system hardening baselines - including disabling unnecessary services and ports on PLCs and HMI workstations, application whitelisting, and antivirus/endpoint protection where vendor-supported.
  • Support compliance with applicable regulatory and industry frameworks - including NIST SP 800-82 and IEC 62443 - providing configuration evidence, network diagrams, and risk assessment documentation for internal and external audits.
  • Develop and maintain OT-specific incident response playbooks - covering scenarios including SCADA platform compromise, ransomware impact on historian/HMI systems, PLC firmware corruption, and communication loss between field devices and supervisory layers.
Incident, Problem & Change Management
  • Serve as the technical escalation point for OT system incidents - leading fault isolation across control system layers (field device, controller, network, supervisory), coordination resolution with OEM vendors and integrators, and producing formal RCA documentation through to closure.
  • Own OT change management - preparing and reviewing change requests for PLC logic modifications, SCADA configuration changes, HMI updates, and OT network infrastructure changes, ensuring all modifications are peer-reviewed, tested, and backed up prior to implementation.
  • Drive OT Problem Management - using incident trend analysis to identify systemic control system deficiencies, aging infrastructure risks, and recurring failures, and proposing prioritized remediation plans.
  • Maintain and regularly test OT incident response playbooks - covering control system failure scenarios, communication loss events, cybersecurity incidents, and unplanned equipment trips impacting data center operations.
IOC Integration & OT Observability
  • Define and maintain the OT data integration architecture into the Infrastructure Operations Center (IOC) - specifying OPC-UA/MQTT broker configuration, historian-to-IOC data pipelines, and tag taxonomy standards for all data center OT systems.
  • Establish OT-specific monitoring coverage within the IOC - including alarm and event forwarding from SCADA/BMS/EMS platforms, controller health watchdog monitoring, communication path state, and environmental threshold alerting.
  • Define KPIs and availability targets for OT systems - contributing OT operational metrics to structured weekly, monthly, and quarterly infrastructure health reports delivered to senior leadership.
  • Collaborate cross-functionally with IOC and IT infrastructure teams to support the evaluation and development of enhanced OT monitoring capabilities, including integration of AIOps platforms and predictive analytics for data center facility control systems.
Commissioning & Continuous Improvement
  • Lead OT engineering deliverables in new data center commissioning projects - owning controls design review, FAT/SAT execution, systems integration testing, and operational handover documentation.
  • Drive global site standardization - developing reference OT architectures, standard PLC/SCADA configuration templates, and repeatable commissioning procedures deployable consistently across Keel Infrastructure's growing data center portfolio.
  • Maintain a continuous improvement backlog for OT infrastructure - prioritizing initiative that reduce MTTR, improve alarm quality, eliminate manual operator tasks through automation, or strengthen cybersecurity posture.
  • Evaluate and recommend emergency OT technologies - including digital twin platforms, predictive maintenance solutions, and OT-specific AIOps tooling - assessing applicability to Keel's data center operations environment.
  • Contribute to the annual OT infrastructure budget process - providing asset lifecycle cost models, refresh schedules, and investment cases for control system upgrades, cybersecurity tooling, and monitoring platform enhancements.
Qualifications & Experience
Required
  • 7+ years of hands-on experience in OT/controls engineering or OT infrastructure, with demonstrated ownership of industrial control systems in operational environments.
  • Proven experience in data center, colocation, energy, utilities, or equivalent critical infrastructure environments operating on a 24/7 basis.
  • Deep hands-on expertise across OT/ICS platforms - SCADA (Ignition, Wonderware, iFIX, or equivalent) DCS, PLC programming (IEC 61131-3: Ladder, FBD, Structured Text), HMI configuration, and historian platforms (OSIsoft PI, Aveva, or equivalent).
  • Proficiency in industrial communication protocols - Modbus TCP/RTU, DNP3, BACnet/IP, PROFINET, IEC 61850, OPC-UA, and MQTT - and experience troubleshooting communication failures across multi-vendor OT environments.
  • Solid understanding of OT networking - industrial Ethernet topologies, managed switch configuration, VLAN segmentation for OT zones, ring redundancy protocols (HSR/PRP/RSTP), and OT/IT boundary architecture.
  • Working knowledge of OT cybersecurity frameworks - IEC62443, NIST SP 800-82 - and practical experience implementing security controls in live control system environments.
  • Experience with data center facility power and cooling systems - UPS, generators, ATS, CRAC/CRAH, PDUs - and their integration with BMS/EMS and power monitoring platforms.
  • Strong technical documentation skills - P&IDs, loop drawings, network diagrams, commissioning reports, and RCA documentation.
  • Relevant controls or OT certification: ISA Certified Control Systems Technician (CCST), ISA Certified Automation Professional (CAP), or equivalent.
Preferred
  • Direct experience in hyperscale or colocation data center environments with large-scale power and cooling infrastructure.
  • Hands-on experience with IT/OT convergence architectures - OPC-UA/MQTT broker deployment, historian-to-cloud integration, and DCIM platform integration.
  • Exposure to IEC 61850 substation automation, protection relay configuration, or utility metering and interconnection infrastructure.
  • Experience with OT-specific security tooling - Claroty, Dragos, Nozomi Networks, or equivalent OT asset discovery and anomaly detection platforms.
  • Familiarity with digital twin platforms or predictive maintenance solution for data center facility control systems.
  • Experience deploying and supporting OT infrastructure across geographically distributed multi-site data center portfolios.
  • GICSP (GIAC Industrial Cyber Security Professional) or ISA/IEC 62443 Cybersecurity Certificate.
Competences
Technical Dept:Maintains genuine hands-on expertise across control systems. OT networking, and data center facility automation - credible at the engineering workstation and in the architecture review equally.
Operational Ownership: Takes full accountability for OT system integrity and availability; anticipates failure modes and acts decisively to protect data center operations before issues escalate.
Structured Problem Solving: Applies disciplined fault isolation methodology to complex, multi-layered control system problems - moving systematically from symptom to root cause without assumptions.
Security Mindset: Understands the unique risk profile of OT environments and integrates cybersecurity thinking into every engineering and operational decision without compromising availability.
Engineering Rigor: Produces well-structured documentation, peer-reviewable configurations, and reproducible commissioning deliverables - treating documentation as part of the engineering output, not an afterthought.

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