IT/OT Controls Engineer

E Tech Group; Portsmouth (NH); On-site; USD 90,000 - 150,000; Full time

Benefits offered by this job

401k + match

Medical, Dental, Vision benefits

Paid time off

Training & education

Job summary

E Tech Group is seeking an experienced engineer to design, develop, and implement Unified Namespace (UNS) solutions across industrial data ecosystems. You will model plant-floor data for MES/historian systems, integrate shop-floor equipment with MES/ERP via MQTT, OPC UA and REST APIs, and maintain edge connectivity to PLCs and SCADA.

The role requires hands-on experience with HiveMQ, HighByte Intelligence Hub, and Ignition, plus Python scripting for automation.

Qualifications

• Bachelor's degree in Engineering, Computer Science, or a related field.
• 3+ years in a similar role.
• Strong understanding of Unified Namespace concepts and MQTT/SparkplugB.
• Experience with HighByte Intelligence Hub or similar DataOps platforms.
• Ignition experience; Ignition certification a plus.
• Experience with SQL/Postgres.
• Proficiency in Python; REST APIs/JSON experience.
• Familiarity with OPC UA and legacy OPC DA connectivity.
• Experience integrating shop floor systems with MES/ERP.
• Knowledge of ISA-95 models and MES integration.
• GMP knowledge and validation in a regulated environment.
• OT network architecture and Purdue model awareness.

Responsibilities

• Design, develop, and implement UNS solutions using HiveMQ, HighByte, and Ignition.
• Model plant-floor data into ISA-95 payloads for MES/historian consumption.
• Integrate shop floor with MES/ERP via MQTT, OPC UA, REST APIs.
• Configure and maintain edge connectivity to PLCs, SCADA, and legacy sources.
• Use Python/Ignition scripting for automation and data transformation.
• Collaborate with IT/OT teams to ensure secure cross-network integration.
• Provide technical leadership during project implementation, testing, and startup.
• Maintain GMP-compliant project documentation and status updates.

Skills

MQTT/SparkplugB understanding

Unified Namespace concepts

Python proficiency

Collaboration & teamwork

OT/IT hybrid mindset

Scripting (Python/Jython)

Education

Bachelor's degree in Engineering/CS/related field

Tools

HiveMQ

HighByte Intelligence Hub

Ignition

OPC UA

REST APIs

SQL/Postgres

Job description

At E Tech Group, joining our team means joining a group of passionate and forward-thinkingexperts. We’re one of the largest engineering and system integration firms in the United States providing value for our clients through IT automation and control solutions for more than 30 years to the Life Sciences, Mission Critical, Metals & Mining, Warehousing & Distribution, and CPG/Food & Beverage industries.Our national and global scale allows us to help our clients develop and implement standardized solutions at any of their facilities regardless of physical location or the local resources available at that site.

You will:

• Design, develop, and implement Unified Namespace (UNS) solutions using HiveMQ (MQTT/Sparkplug B), HighByte Intelligence Hub, and Ignition.
• Model and contextualize plant-floor data into standardized, ISA-95-aligned payload structures for consumption by MES, historians, and other business systems.
• Integrate shop floor equipment and control systems with MES and enterprise applications using MQTT, OPC UA, REST APIs, and vendor-proprietary protocols.
• Configure and maintain edge connectivity to PLCs, SCADA, and legacy systems (including OPC DA sources) and manage the flow of data northbound into the UNS.
• Utilize scripting languages such as Python (including Ignition/Jython scripting) for automation, data transformation, and integration tasks.
• Collaborate with cross-functional IT and OT teams to ensure seamless, secure integration across network layers.
• Provide technical leadership and support for project implementation, testing, commissioning, and startup.
• Develop and evaluate alternative architectures and system solutions that meet stated requirements.
• Maintain and update project documentation appropriate to a regulated (GMP) environment and provide regular status updates to management and stakeholders.
• Work successfully in a team environment focused on customer service and continuous improvement
• Be an ambassador who embodies our Core Values, prioritizing the success of E Tech Group, our clients, and the professional development of our associates.

You have:

• Bachelor's Degree in Engineering, Computer Science, or a related field.
• 3+ years of experience in a similar role.
• Strong understanding of Unified Namespace concepts and MQTT/SparkplugB. Hands-on experience with HiveMQ or comparable brokers.
• Experience with HighByte Intelligence Hub or similar industrial DataOps/data modeling platforms.
• Experience with Ignition (gateway configuration, tag structures, scripting); Ignition certification a plus.
• Experience with SQL/Postgres (For alarm/event and other interactions)
• Proficiency in Python; familiarity with REST APIs, JSON payloads, and integrating web services.
• Familiarity with SCADA systems and industrial data structures; experience with OPC UA and legacy OPC DA connectivity.
• Experience integrating shop floor systems with MES, historians, or ERP.
• Working knowledge of ISA-95 models and terminology, particularly as applied to UNS hierarchy design and MES integration.
• Familiarity with ISA-88 batch control concepts a plus, given the biopharmaceutical manufacturing context.
• Knowledge of Good Manufacturing Practices (GMP) and validation in a regulated environment; understanding of biopharmaceutical processes preferred.
• Ability to work in a hybrid IT/OT environment, including an understanding of OT network architecture and segmentation (Purdue model awareness a plus).
• Working knowledge of control system networks and controllers (Ethernet/IP, ControlNet, DeviceNet, etc.).
• Proficiency in troubleshooting control systems and an understanding of process controls.
• A DNA comprised of collaboration and teamwork.

Benefits & Perks:

• 401k + match + prompt enrollment. E Tech Group employees are 100% vested upon entry.
• Prompt enrollment into Medical, Dental, and Vision benefits.
• Generous paid time off that includes paid vacation, paid holidays, paid family leave and sick time off.
• Learning and growth are key parts of the E Tech culture. We provide you with training and continuing education from day one, so you canadvance your career. As an E Tech associate, youcan unlock your greatest potential through challenges and opportunities.

E Tech Group is an Equal Opportunity Employer. Applicants are considered for employment without regard to race, color, religion, sex, age, disability, military status, genetic information, gender identity, sexual orientation, citizenship status, or any other basis prohibited by law. E Tech Group will provide reasonable accommodations to qualified individuals with disabilities and for religious beliefs. E Tech Group is an affirmative action Employer of individuals with disabilities and protected veterans.