Operational Technology Systems Engineer

Generac Power Systems Inc.; Waukesha (WI); On-site; USD 120,000 - 165,000; Full time

Job summary

Generac Power Systems Inc. is seeking an OT Systems Engineer to design, deploy, and secure connected OT systems across manufacturing facilities.

You will bridge plant-floor equipment with enterprise apps and analytics, delivering machine connectivity, OT cybersecurity, and cloud integration to enable real-time monitoring and predictive maintenance. The role collaborates with Operations, Maintenance, Engineering, IT, Cybersecurity, Quality, and Supply Chain to ensure secure, scalable, and

Qualifications

• Bachelor’s degree in engineering, CS, IT, industrial tech or related field.
• 5+ years OT/cloud/IoT experience in manufacturing or similar environments.
• Experience with PLCs, HMIs, SCADA, and industrial networks.
• Familiarity with OT cybersecurity frameworks (ISA/IEC-62443, NIST).

Responsibilities

• Design and deploy connected OT systems for manufacturing facilities.
• Standardize data collection using OPC-UA, MQTT, Modbus TCP, EtherNet/IP, Profinet.
• Connect production assets to MES, CMMS, ERP, SCADA, historian and cloud platforms.
• Develop machine data architectures and edge computing standards.
• Drive real-time monitoring, dashboards and predictive maintenance initiatives.
• Collaborate with Operations, Maintenance, Engineering, IT, Cybersecurity, Quality and Supply Chain.
• Develop OT-to-cloud architectures; manage cloud infrastructure and DR strategies.
• Integrate equipment and sensors with CMMS platforms for automated work orders.

Skills

Machine connectivity

Industrial IoT

Cloud infrastructure

OT cybersecurity

OPC-UA

MQTT

Modbus TCP

EtherNet/IP

Profinet

AWS IoT

AWS SiteWise

Greengrass

S3

Lambda

ISA/IEC-62443

NIST

Predictive maintenance

Condition monitoring

Reliability engineering

MES

ERP

Industrial data platforms

Education

Bachelor's degree in engineering

Equivalent combination of education and OT experience

Tools

AWS IoT

Greengrass

S3

Lambda

Job description

We believe power is a promise - a shared commitment to be there for others when it matters most. For more than 65 years, we've turned big ideas into solutions that help protect homes, strengthen businesses and build a more resilient, efficient, sustainable energy future.

The Operational Technology (OT) Systems Engineer is responsible for designing, deploying, and securing connected operational technology (OT) systems across manufacturing facilities. This role serves as the bridge between plant-floor equipment, enterprise applications, and advanced analytics platforms. The engineer will deliver initiatives involving machine connectivity, industrial IoT, cloud infrastructure, CMMS integrations and OT cybersecurity. The position plays a key role in advancing the connected factory strategy by enabling real-time machine monitoring, predictive maintenance, secure data integration, and AI-driven operational intelligence. This role partners closely with Operations, Maintenance, Engineering, IT, Cybersecurity, Quality, and Supply Chain teams to ensure manufacturing systems are secure, connected, scalable, and aligned with business objectives.

Major Responsibilities:

• Connected Factory & Machine Connectivity Design and implement connectivity solutions for manufacturing equipment, test systems, and facility assets.
• Standardize machine data collection utilizing OPC-UA, MQTT, Modbus TCP, EtherNet/IP, Profinet, and other industrial protocols.
• Connect production assets to enterprise platforms including MES, CMMS, ERP, SCADA, historian, and cloud systems.
• Develop and maintain machine data architectures and asset models.
• Establish standards for edge computing and industrial gateway deployments.
• Drive enterprise-wide visibility through real-time machine monitoring and operational dashboards.
• AWS Industrial Infrastructure & Data Platforms Design and support OT-focused AWS environments
• Develop secure OT-to-cloud architectures.
• Manage cloud infrastructure, networking, monitoring, backup, and disaster recovery strategies.
• CMMS Integration & Predictive Maintenance Integrate manufacturing equipment and sensors with CMMS platforms.
• Enable automated work order generation from machine condition monitoring systems.
• Develop predictive maintenance capabilities utilizing industrial analytics and machine learning.
• Support maintenance teams through equipment health monitoring and reliability analytics.
• OT Cybersecurity & Infrastructure Protection Support global IT with OT cybersecurity controls aligned with industry standards
• Support OT network segmentation and secure remote-access solutions.
• Manage vulnerability assessments, patching strategies, and access control systems.
• Participate in incident response and forensic investigations involving industrial systems.
• Develop OT disaster recovery and business continuity plans.

Minimum Job Requirements:

• Education Bachelor’s degree in engineering, Computer Science, Information Technology, Industrial Technology, or related technical field. Equivalent combination of education and relevant manufacturing OT experience may be considered.
• Work Experience 5+ years of experience supporting Operational Technology (OT), Cloud Infrastructure, Manufacturing Systems, or Industrial IoT environments. Experience with industrial control systems including PLCs, HMIs, SCADA, and machine communications. Experience supporting manufacturing networks and industrial connectivity solutions. Experience building and supporting secure cloud compute for OT environments. Experience integrating equipment, sensors, and manufacturing systems using industrial communication protocols. Experience collaborating across Operations, Maintenance, Engineering, IT, and Cybersecurity teams.
• Knowledge / Skills / Abilities Experience with AWS IoT, AWS SiteWise, Greengrass, S3, Lambda, or similar cloud platforms. Knowledge of OT cybersecurity frameworks such as ISA/IEC-62443 or NIST. Knowledge of predictive maintenance, condition monitoring, or reliability engineering programs. Knowledge of MES, ERP, historian, or industrial data platform integrations. Working knowledge of PLC-based manufacturing systems Industrial networking (Ethernet/IP, Profinet, Modbus TCP) OPC-UA and/or MQTT communications Manufacturing data collection systems

Physical Requirements and Working Conditions:

While performing the duties of this job, the employee is regularly required to talk and hear; and use hands to manipulate objects or controls. The employee is regularly required to stand and walk. On occasion, the incumbent may be required to stoop, bend, or reach above the shoulders. The employee must occasionally lift up to 25 pounds. Specific conditions of this job are typical of frequent and continuous computer-based work requiring periods of sitting, close vision, and the ability to adjust focus. Occasional travel.

We are an equal opportunity employer and all qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, national origin, disability status, protected veteran status, or any other characteristic protected by law.

We believe power is a promise - a shared commitment to be there for others when it matters most. For more than 65 years, we've turned big ideas into solutions that help protect homes, strengthen businesses and build a more resilient, efficient, sustainable energy future.

As one of the leaders and largest suppliers of power generation equipment and technology, the work we do touches millions of lives. Employees at Generac are encouraged to be innovative and are valued as an integral part of our global team. Our challenging goals develop knowledgeable employees dedicated to helping continue Generac’s success. Generac provides individuals the opportunity to work in a fast-paced agile work environment where their work makes a difference in people’s lives and their own.