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Ot Infrastructure Engineer Jobs in Georgia (NOW HIRING)

CRH

Senior OT Systems Engineer

Atlanta, GA · On-site

$100K - $137K/yr

  • Medical

  • Dental

  • Retirement

Senior OT Systems Engineer Infrastructure Products Group Atlanta, Georgia, United States Job ID: 527416 Exempt Oldcastle, a CRH company, is reinventing what's possible in building solutions. We are ...

CRH

Senior OT Systems Engineer

Atlanta, GA · Hybrid

$100K - $137K/yr

  • Medical

  • Dental

  • Retirement

We are the leading provider of innovative outdoor living products and utility infrastructure ... Job Summary The Senior OT Systems Engineer is responsible for the design, standardization, security ...

Aurubis AG

OT Security Engineer

Augusta, GA · On-site

$100 - $150/hr

  • Medical

  • Dental

  • Vision

  • Retirement

  • PTO

This role manages and supports industrial control systems, OT infrastructure, and cybersecurity ... OT Security Engineer Your Tasks * Deploy, configure, and maintain OT servers, workstations, and ...

Koch Industries

Regional OT Engineer

Atlanta, GA · On-site

$140K - $170K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

... control infrastructure. This role is focused on practical implementation of enterprise ... Our Team The OT team partners with engineering, process control, cybersecurity, and facility ...

New

KaMin

Process Control Network Engineer

Mcintyre, GA · On-site

Operational Technology (OT) Infrastructure * Manage and maintain Process Network and Industrial DMZ ... Perform Logix programming modifications and HMI edits as required. Instrumentation and Process ...

KaMin

Process Control Network Engineer

Mcintyre, GA · On-site

Operational Technology (OT) Infrastructure * Manage and maintain Process Network and Industrial DMZ ... Perform Logix programming modifications and HMI edits as required. Instrumentation and Process ...

KaMin

Process Control Network Engineer

Mcintyre, GA · On-site

$90 - $130/hr

Operational Technology (OT) Infrastructure * Manage and maintain Process Network and Industrial DMZ ... Perform Logix programming modifications and HMI edits as required. Instrumentation and Process ...

Westrock

Eng I, Process Control

Dublin, GA · On-site

Responsible for designing, implementing, and supporting the IT/OT infrastructure that supports Process Control Systems. This includes Distributed Control Systems (DCS), Programmable Logic Controllers ...

Smurfit Westrock

Eng I, Process Control

Dublin, GA · On-site

Responsible for designing, implementing, and supporting the IT/OT infrastructure that supports Process Control Systems. This includes Distributed Control Systems (DCS), Programmable Logic Controllers ...

SK AX USA Inc

Factory Automation Engineer

Duluth, GA · On-site

  • Medical

  • Dental

  • Vision

  • Retirement

  • PTO

Factory Automation Engineer ???? Location: Savannah, GA | Kentucky | Tennessee ???? Job Type ... Integrate automation equipment with IT/OT infrastructure and enterprise systems. * Design and ...

Southwire Company LLC

Senior Administrator, IT

Villa Rica, GA

$69K - $93K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

... engineered products. In addition, Southwire supplies assembled products, contractor equipment ... Monitors the performance of the organizationas IT/OT infrastructure, using diagnostic tools to ...

Southwire Company LLC

Senior Administrator, IT

Villa Rica, GA · On-site

$69K - $93K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

... engineered products. In addition, Southwire supplies assembled products, contractor equipment ... Monitors the performance of the organization's IT/OT infrastructure, using diagnostic tools to ...

Southwire Company LLC

Senior Administrator, IT

Villa Rica, GA · On-site

$69K - $93K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

... engineered products. In addition, Southwire supplies assembled products, contractor equipment ... Monitors the performance of the organization’s IT/OT infrastructure, using diagnostic tools to ...

Acuity Brands

Network Engineer Senior

Conyers, GA · On-site

$83K - $113K/yr

  • Medical

  • Dental

  • Vision

  • Retirement

Job Summary Are you passionate about building reliable and secure network infrastructure? Acuity ... Experience with OT (Operational Technology) network segmentation is a plus * Experience defining ...

Acuity Brands, Inc.

Network Engineer Senior

Conyers, GA

$83K - $113K/yr

  • Medical

  • Dental

  • Vision

  • Retirement

Job Summary Are you passionate about building reliable and secure network infrastructure? Acuity ... Experience with OT (Operational Technology) network segmentation is a plus * Experience defining ...

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All JobsOt Infrastructure Engineer JobsOt Infrastructure Engineer Jobs in Georgia

Ot Infrastructure Engineer information

What is an OT Infrastructure Engineer?

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 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 the key skills and qualifications needed to thrive as an OT Infrastructure Engineer?

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 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.

What are popular job titles related to Ot Infrastructure Engineer jobs in Georgia?

For Ot Infrastructure Engineer jobs in Georgia, the most frequently searched job titles are:

What job categories do people searching Ot Infrastructure Engineer jobs in Georgia look for?

The top searched job categories for Ot Infrastructure Engineer jobs in Georgia are:

What cities in Georgia are hiring for Ot Infrastructure Engineer jobs?

Cities in Georgia with the most Ot Infrastructure Engineer job openings:

Ot Infrastructure Engineer jobs near you
Infographic showing various Ot Infrastructure Engineer job openings in Georgia as of August 2026, with employment types broken down into 50% Full Time, and 50% Contract. Highlights an 100% In-person job distribution.

Senior OT Systems Engineer

CRH

Atlanta, GA • On-site

$100K - $137K/yr

Full-time

Medical, Dental, Retirement

Posted 11 days ago

Job description

Senior OT Systems Engineer
Infrastructure Products Group
Atlanta, Georgia, United States
Job ID: 527416
Exempt
Oldcastle, a CRH company, is reinventing what's possible in building solutions. We are the leading provider of innovative outdoor living products and utility infrastructure solutions for the water, energy, and communications markets throughout North America. We're a trusted and strategic partner to engineers, contractors, distributors, specifiers, retailers, and homeowners alike as the manufacturer of precast concrete, polymer concrete, and plastic infrastructure products. Our portfolio of brands includes Oldcastle APG, Oldcastle Infrastructure, Belgard® hardscape, Echelon® Masonry, RDI® railing, Catalyst™ Fence Solutions, Sakrete® packaged concrete, Amerimix® mortar, Pebble Technology International® pool finishes, and Techniseal® sands and sealant technologies.
Oldcastle Infrastructure - Built For Life from Oldcastle Infrastructure on Vimeo.
Job Summary
The Senior OT Systems Engineer is responsible for the design, standardization, security, lifecycle management, and operational reliability of plant-floor OT infrastructure and its integration with enterprise IT systems. This role sits within the IT organization and focuses on ensuring reliable connectivity, security, and lifecycle management of industrial systems that support manufacturing operations.
The position acts as a bridge between IT and plant engineering teams, enabling consistent OT environments across sites while prioritizing uptime, safety, and cybersecurity in traditional manufacturing operations.
Job Location
This is a hybrid role based at our Corporate Office in Atlanta, GA.
Job Responsibilities
  • Design, implement, and support standardized integration between OT systems (PLC, SCADA, HMI) and IT platforms (MES, historians, ERP interfaces).
  • Establish and maintain reference architectures aligned with ISA-95 / Purdue Model.
  • Drive consistency across manufacturing sites by defining OT integration standards, patterns, and approved technologies.
  • Support plant initiatives requiring data exchange between production systems and enterprise applications.
  • Partner with IT infrastructure teams to design and support OT network connectivity, including segmentation, firewalls, and DMZs.
  • Ensure OT environments align with corporate IT standards for networking, identity, logging, backup, and monitoring.
  • Support secure remote access solutions for vendors and plant support teams.
  • Implement and maintain OT cybersecurity controls in alignment with IT security policies and industry standards (IEC 62443, NIST).
  • Participate in OT risk assessments, vulnerability remediation, and audit activities.
  • Ensure changes to OT environments follow IT change management and approval processes.
  • Provide senior-level support for OT integration issues impacting plant operations.
  • Lead root-cause analysis and corrective actions for recurring integration or connectivity issues.
  • Support lifecycle management of OT infrastructure including hardware refreshes, software upgrades, and vendor end-of-support planning.
  • Develop and maintain OT integration documentation, standards, and procedures.
  • Enforce governance for OT connectivity, data flows, and third-party access.
  • Review and approve system integrator and vendor designs to ensure alignment with IT standards.
  • Act as the primary IT point of contact for OT integration at assigned manufacturing sites.
  • Collaborate closely with plant engineering, automation, and maintenance teams.
  • Mentor junior IT/OT engineers and support knowledge transfer across sites.

Job Requirements
  • Bachelor's degree in Information Technology, Engineering, or equivalent experience.
  • 7+ years of experience supporting OT or manufacturing IT environments.
  • Demonstrated experience working within an IT organization supporting plant-floor systems.
  • Strong understanding of industrial control systems (PLC, SCADA, HMI).
  • Experience with OT networking concepts and protocols (Ethernet/IP, Modbus, OPC).
  • Hands-on experience with firewalls, switches, network segmentation, and secure remote access.
  • Experience with Inductive Automation Ignition and OT Security platforms a plus
  • Familiarity with historians, MES, and OT data integrations.
  • Hands-on experience with plant floor Industrial PCs, servers, workstations, scanners, tablets, label printers, laser printers, etc.
  • Operational experience with on-prem server virtualization and cloud computing platforms.
  • Working knowledge of OT cybersecurity principles and IT governance processes.

What CRH Offers You
  • Highly competitive base pay
  • Comprehensive medical, dental and disability benefits programs
  • Group retirement savings program
  • Health and wellness programs
  • An inclusive culture that values opportunity for growth, development, and internal promotion

About CRH
CRH has a long and proud heritage. We are a collection of hundreds of family businesses, regional companies and large enterprises that together form the CRH family. CRH operates in a decentralized, diversified structure that allows you to work in a small company environment while having the career opportunities of a large international organization.
If you're up for a rewarding challenge, we invite you to take the first step and apply today! Once you click apply now, you will be brought to our official employment application. Please complete your online profile and it will be sent to the hiring manager. Our system allows you to view and track your status 24 hours a day. Thank you for your interest!
Oldcastle Infrastructure, a CRH Company, is an Affirmative Action and Equal Opportunity Employer.
EOE/Vet/Disability
CRH is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability, status as a protected veteran or any other characteristic protected under applicable federal, state, or local law.
AI tools may be used in certain stages of the employment lifecycle, such as candidate review; however, all final employment decisions will be made by a person.

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