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Sr. Operational Technology (OT) Systems Engineer

Phaxis
  • New York, NY
  • $160,000
  • Quick Apply
30+ days ago
Phaxis

Job Description

Overview:
A growing operator of mission-critical facilities is seeking a Senior Automation & Controls Engineer to support the design, implementation, and ongoing reliability of industrial control and facility automation systems. This individual will serve as a technical leader for operational technology (OT) infrastructure, helping ensure the availability, performance, and security of critical building systems across a multi-site environment.
The role combines hands-on engineering, troubleshooting, project execution, and lifecycle management responsibilities, partnering closely with facilities, operations, engineering, and technology teams.
Key Responsibilities
Automation & Controls Engineering:
  • Design, implement, and maintain industrial control and automation systems supporting critical facility operations.
  • Configure and support PLCs, HMI platforms, SCADA systems, and related monitoring technologies.
  • Develop and maintain control logic, alarm strategies, system integrations, and communications architectures.
  • Troubleshoot hardware, software, and network-related issues impacting facility automation systems.
  • Support system upgrades, commissioning activities, and modernization initiatives.
Operational Technology Infrastructure:
  • Manage OT networks and communications supporting controllers, field devices, and supervisory systems.
  • Support industrial communication protocols such as Modbus, BACnet, OPC-UA, MQTT, and related technologies.
  • Maintain system documentation, network diagrams, configuration backups, and asset inventories.
  • Monitor system performance and identify opportunities to improve reliability, resilience, and operational efficiency.
Critical Facility Systems:
  • Support automation platforms associated with electrical, mechanical, and environmental infrastructure.
  • Assist with integration and monitoring of power, cooling, and building systems.
  • Partner with facilities teams to optimize operational performance and system availability.
  • Participate in root cause analysis and corrective action efforts following operational incidents.
Cybersecurity & Compliance:
  • Support implementation of cybersecurity controls within OT environments.
  • Assist with vulnerability remediation, access management, and system hardening activities.
  • Maintain compliance with applicable internal standards and industry best practices.
  • Participate in incident response and business continuity planning efforts.
Project Delivery & Continuous Improvement:
  • Support new facility deployments, expansions, and infrastructure enhancement projects.
  • Participate in factory acceptance testing (FAT), site acceptance testing (SAT), commissioning, and operational handoff activities.
  • Develop and maintain engineering standards, templates, and best practices.
  • Evaluate emerging technologies and recommend solutions that improve reliability, visibility, and operational effectiveness.

Qualifications
Required:
  • 5+ years of experience in controls engineering, industrial automation, operational technology, or related disciplines.
  • Experience supporting industrial, manufacturing, critical facilities, utilities, energy, or similar operational environments.
  • Hands-on experience with PLC, HMI, SCADA, or building automation platforms.
  • Knowledge of industrial networking concepts and communication protocols.
  • Strong troubleshooting and root cause analysis capabilities.
  • Experience creating technical documentation and engineering deliverables.
  • Excellent communication and stakeholder management skills.
Preferred:
  • Experience supporting multi-site operations.
  • Familiarity with OT cybersecurity principles and industry standards.
  • Exposure to power monitoring, facility automation, or infrastructure management platforms.
  • Experience participating in commissioning and large-scale infrastructure projects.
  • Industry certifications related to controls, automation, networking, or cybersecurity.

Numbers & Facts

LocationNew York, NY
IndustryStaffing/Employment Agencies
Salary$160,000
Company Size50 to 99 employees
Year Founded2002
Websitehttps://phaxis.com/

About Company

We stand for PERSEVERANCE, as we refuse to quit when the journey gets tough. Your gold is our mission, and we search day and night to find it.

Skills

  • Acceptance Testingunmatched
  • Automationunmatched
  • Automation Systemsunmatched
  • Best Practicesunmatched
  • Building Systemsunmatched
  • Business Continuity Planning (BCP)unmatched
  • Commissioningunmatched
  • Communication Skillsunmatched
  • Communications Architectureunmatched
  • Communications Protocolsunmatched
  • Continuous Deployment/Deliveryunmatched
  • Continuous Improvementunmatched
  • Control Engineeringunmatched
  • Corrective Actionunmatched
  • Documentationunmatched
  • Electricityunmatched
  • Emerging Technologyunmatched
  • Energy & Utilitiesunmatched
  • Home Automationunmatched
  • Human Machine Interface (HMI)unmatched
  • Identify Issuesunmatched
  • Incident Responseunmatched
  • Industrial Engineeringunmatched
  • Industry Standardsunmatched
  • Internet Securityunmatched
  • Maintain Complianceunmatched
  • Manufacturingunmatched
  • Network Administration/Managementunmatched
  • Network Configuration Managementunmatched
  • Network Protocolsunmatched
  • Operational Strategyunmatched
  • Operational Supportunmatched
  • Performance Analysisunmatched
  • Performance Tuning/Optimizationunmatched
  • Problem Solving Skillsunmatched
  • Programmable Logic Controller (PLC)unmatched
  • Project Executionunmatched
  • Project Lifecycleunmatched
  • Reliability Engineeringunmatched
  • Root Cause Analysisunmatched
  • Security Equipmentunmatched
  • Software Administrationunmatched
  • Supervisory Control and Data Acquisition (SCADA)unmatched
  • System Integration (SI)unmatched
  • Systems Administration/Managementunmatched
  • Systems Engineeringunmatched
  • Systems Maintenanceunmatched
  • Technical Leadershipunmatched
  • Technical Writingunmatched

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