Controls Engineer

STACK Infrastructure•Santa Teresa, NM

1d•$160,000 - $195,000•Onsite

About The Position

STACK Infrastructure is seeking a Controls Engineer to join its Technical Operations team and support the construction, commissioning, operation, and maintenance of building management system (BMS) and electrical power monitoring system (EPMS) controls at new data center facilities in Santa Teresa, New Mexico. The role works with site operations, engineering, construction, commissioning teams, vendors, and other technical stakeholders to support reliable, scalable, and secure controls performance across a large mission-critical campus. The Controls Engineer supports PLC-based controls and Ignition SCADA systems, controls and electrical monitoring integrations, MQTT data movement, and databases used for monitoring and operational workflows. The role contributes to troubleshooting and root cause analysis, system testing and turnover, operational readiness, controls standards, secure OT connectivity, training, and ongoing system optimization. The position is on-site and may require domestic travel up to 15%, as well as off-hours support for troubleshooting, maintenance windows, emergency response, and critical operational events.

Requirements

Bachelor’s degree in Engineering, Controls, Computer Science, or equivalent practical experience.
At least 5 years of experience with building automation, industrial controls, SCADA, PLCs, EPMS, or mission-critical facility control systems.
Hands-on experience with Allen-Bradley PLCs, including logic review, troubleshooting, field validation, and integration with supervisory systems.
Experience with Ignition SCADA, including tag structures, alarm configuration, graphics, historian functions, scripting, reporting, and system integration.
Strong understanding of mechanical systems, especially chilled water systems, chiller plants, pumping systems, heat rejection, and hydronic loops.
Familiarity with electrical monitoring systems, power quality meters, and EPMS concepts in mission-critical environments.
Experience with industrial communication protocols and integration methods, including some combination of EtherNet/IP, Modbus TCP, BACnet, SNMP, MQTT, and OPC UA.
Ability to troubleshoot complex controls issues involving PLCs, SCADA, network connectivity, field devices, sensors, actuators, meters, and databases.
Strong communication skills and ability to explain technical issues to engineering, construction, operations, vendors, and non-technical stakeholders.
Comfort working in a high-stress, fast-paced mission-critical environment with shifting priorities.
Willingness to support off-hours troubleshooting, maintenance windows, emergency response, and critical operational events as needed.
Must be eligible to work in the United States.
Must pass comprehensive background screening.

Nice To Haves

Experience supporting hyperscale, semiconductor, industrial, utility, or other large-scale mission-critical campuses.
Ignition certification or advanced Ignition development experience.
Experience with enterprise MQTT broker platforms.
Experience with SEL power quality meters and relays.
Working knowledge of SQL databases, preferably PostgreSQL, for data collection, reporting, analytics, and controls system integration.
Understanding of OT cybersecurity concepts, network segmentation, authentication, certificate management, and secure access practices.

Responsibilities

Develop an understanding of mechanical, electrical, controls, and monitoring architectures, including chilled water plant controls, plant operation, electrical distribution monitoring, and campus-level system integration.
Support implementation, commissioning, operation, and optimization of PLC-based controls systems across mission-critical mechanical and electrical infrastructure.
Maintain and troubleshoot Ignition front-end systems, including screens, tags, alarms, historian functions, user interfaces, integrations, and reporting.
Support MQTT-based data movement, system integration, and related edge or enterprise messaging infrastructure.
Work with databases supporting controls, monitoring, alarming, reporting, analytics, and operational data workflows.
Partner with site operations to troubleshoot controls-related events, perform root cause analysis, and support corrective actions for building automation, PLC, SCADA, and EPMS-related systems.
Support integration and validation of power quality meters, including devices configured for continuous waveform monitoring, event capture, power quality analysis, and electrical system diagnostics.
Collaborate with commissioning agents, contractors, vendors, and internal engineering teams to verify system performance, sequence execution, alarm behavior, trend collection, data integrity, and turnover documentation.
Support site operations by reviewing control logic, plant staging, pumping sequences, valve control, temperature control, differential pressure strategies, and system performance.
Assist with operational readiness, site acceptance testing, integrated systems testing, and turnover of controls and monitoring systems from construction to operations.
Ensure proper metering, trending, and data collection to support operational reporting, energy efficiency, reliability tracking, and long-term optimization.
Partner with IT, cybersecurity, network, and monitoring teams to support secure and reliable connectivity for OT systems, PLCs, SCADA servers, MQTT brokers, databases, and field devices.
Provide technical support and training to site personnel on controls system functionality, alarm response, data interpretation, and troubleshooting procedures.
Support standards development and continuous improvement for controls architecture, PLC programming practices, Ignition development, data modeling, alarm management, and documentation.