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Temporary Operational Technology Engineer Jobs in Elgin, IL

AbbVie

Engineer, Technology II

Mettawa, IL · On-site

The Technology Engineer will serve as a technical leader, owning and scaling platforms that enable ... Platform engineering, operations and leadership * Own the analytics platform runtime, including ...

AbbVie

Engineer, Technology II

Mettawa, IL · On-site

$78K/yr

The Technology Engineer will serve as a technical leader, owning and scaling platforms that enable ... Platform engineering, operations and leadership * Own the analytics platform runtime, including ...

AbbVie

Engineer, Technology II

Mettawa, IL

The Technology Engineer will serve as a technical leader, owning and scaling platforms that enable ... Platform engineering, operations and leadership * Own the analytics platform runtime, including ...

XR Extreme Reach

Senior IT Engineer

Chicago, IL · On-site

$85K - $95K/yr

The Senior IT Engineer plays a critical role in ensuring the stability, security, and scalability ... The role combines operational excellence with strategic input-driving automation, improving system ...

XR Extreme Reach

Senior IT Engineer

Chicago, IL · On-site

$85K - $95K/yr

The Senior IT Engineer plays a critical role in ensuring the stability, security, and scalability ... The role combines operational excellence with strategic input--driving automation, improving system ...

XR Extreme Reach

Senior IT Engineer

Chicago, IL · Hybrid

$85K - $95K/yr

The Senior IT Engineer plays a critical role in ensuring the stability, security, and scalability ... The role combines operational excellence with strategic input-driving automation, improving system ...

Cooley

Technology Meeting Engineer

Chicago, IL

Technology Meeting Engineer Cooley is seeking a Meeting Engineer to join the technology team ... They are responsible for platform architecture, operational governance, user support strategies ...

Cooley LLP

Technology Meeting Engineer

Chicago, IL

Technology Meeting Engineer Cooley is seeking a Meeting Engineer to join the technology team ... They are responsible for platform architecture, operational governance, user support strategies ...

Cooley LLP

Technology Meeting Engineer

Chicago, IL

Technology Meeting Engineer Cooley is seeking a Meeting Engineer to join the technology team ... They are responsible for platform architecture, operational governance, user support strategies ...

RWE Americas

Network Engineer

Chicago, IL · Hybrid

$100K - $110K/yr

Exempt The Network Engineer II position will have a strong networking foundation and hands-on experience in Operational Technology (OT) environments to support and scale our energy infrastructure ...

RWE

Network Engineer

Chicago, IL · Hybrid

$100K - $110K/yr

Exempt The Network Engineer II position will have a strong networking foundation and hands-on experience in Operational Technology (OT) environments to support and scale our energy infrastructure ...

maxtechtalent

Lead IT Engineer

Chicago, IL · On-site

... Operations, DevOps, Network Infrastructure, and internal infrastructure. You'll be reporting ... Apply now! Technologies and Practices You will be working with the following technologies and ...

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All JobsTemporary Operational Technology Engineer JobsTemporary Operational Technology Engineer Jobs in Elgin, IL

Temporary Operational Technology Engineer information

See Elgin, IL salary details

$14

$32

$52

How much do temporary operational technology engineer jobs pay per hour?

As of Jun 16, 2026, the average hourly pay for temporary operational technology engineer in Elgin, IL is $32.51, according to ZipRecruiter salary data. Most workers in this role earn between $24.95 and $38.03 per hour, depending on experience, location, and employer.

What is a Temporary Operational Technology Engineer?

A Temporary Operational Technology (OT) Engineer is a professional hired on a short-term basis to manage, maintain, and troubleshoot the technology systems that control industrial operations, such as manufacturing equipment and industrial networks. Their primary focus is on the hardware and software that interact directly with industrial machinery, ensuring efficiency, reliability, and security. These engineers often help implement new OT solutions, support ongoing projects, or fill in during peak workloads or staff shortages. Temporary roles may last from a few weeks to several months, depending on project needs.

What are the key skills and qualifications needed to thrive as a Temporary Operational Technology Engineer, and why are they important?

To thrive as a Temporary Operational Technology Engineer, you need a strong background in industrial automation, control systems, and network infrastructure, typically supported by a degree in engineering or a related field. Familiarity with PLCs, SCADA systems, cybersecurity protocols, and relevant certifications such as CompTIA Security+ or ISA/IEC 62443 is often required. Strong analytical thinking, problem-solving skills, and effective communication are vital for diagnosing issues and collaborating with cross-functional teams. These competencies ensure the reliable and secure operation of industrial systems, minimizing downtime and supporting organizational efficiency.

What is the difference between Temporary Operational Technology Engineer vs Operational Technology Technician?

AspectTemporary Operational Technology EngineerOperational Technology Technician
CredentialsBachelor's degree in engineering or related field, certifications like Cisco or ICS securityAssociate degree or technical certification in industrial systems or electronics
Work EnvironmentProject-based, on-site industrial facilities, manufacturing plantsMaintenance and troubleshooting in industrial settings, often on-site
Employer & Industry UsageManufacturing, energy, utilities, often contracted or temporary rolesIndustrial facilities, utilities, manufacturing companies

The Temporary Operational Technology Engineer typically focuses on project-based tasks, system design, and implementation, often requiring a bachelor's degree and specialized certifications. In contrast, the Operational Technology Technician handles routine maintenance, troubleshooting, and repairs, usually with technical certifications. Both roles are vital in industrial environments but differ mainly in scope, responsibilities, and qualifications.

What are some common challenges a Temporary Operational Technology Engineer might face when joining a new project?

As a Temporary Operational Technology (OT) Engineer, you may encounter challenges such as quickly getting up to speed with existing OT systems, understanding unique site-specific protocols, and integrating with established teams. Adapting to varying cybersecurity standards and documentation practices can also require extra attention. Since the role is temporary, effective communication and rapid relationship-building with plant operators, IT staff, and management are essential to ensure smooth project execution.
What are popular job titles related to Temporary Operational Technology Engineer jobs in Elgin, IL? For Temporary Operational Technology Engineer jobs in Elgin, IL, the most frequently searched job titles are:
What job categories do people searching Temporary Operational Technology Engineer jobs in Elgin, IL look for? The top searched job categories for Temporary Operational Technology Engineer jobs in Elgin, IL are:
What cities near Elgin, IL are hiring for Temporary Operational Technology Engineer jobs? Cities near Elgin, IL with the most Temporary Operational Technology Engineer job openings:
Temporary Operational Technology Engineer jobs near you
Infographic showing various Temporary Operational Technology Engineer job openings in Elgin, IL as of June 2026, with employment types broken down into 1% Locum Tenens, 89% Full Time, 6% Part Time, 1% Temporary, and 3% Contract. Highlights an 87% Physical, 5% Hybrid, and 8% Remote job distribution, with an average salary of $67,614 per year, or $32.5 per hour.

Network Security Engineer - Operational Technology

City of Naperville, IL

Naperville, IL • On-site

$94K - $104K/yr

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Posted 21 days ago

Job description

Salary: $94,971.26 - $104,468.39 Annually
Location : 1392 Aurora Avenue, Naperville, IL
Job Type: Full Time
Job Number: 3024
Department: Department of Public Utilities - Electric
Opening Date: 05/26/2026
Job Description
The City of Naperville's Electric Utility is currently seeking an Operational Technology (OT) Security Engineer to provide network security for the defense and lifecycle operations of critical assets within a complex, blended, IT and OT environment for the City's Electric Utility.
The OT Security Engineer is primarily responsible for the design, deployment, monitoring, and maintenance of security controls across IT, Smart Grid, and OT infrastructure within the City's Electric Utility. This role supports the secure operation of critical systems by implementing and maintaining network security monitoring, vulnerability management, asset management, intrusion detection/prevention systems (IDS/IPS), incident response capabilities, security operations, and remediation programs tailored to a converged IT/OT environment.
The anticipated hiring range for this position is $94,971.26 - $104,468.39 per year, commensurate with credentials and experience. The Pay Grade for this position is E250. For additional information, please click here
Duties
  • Assists in the installation, maintenance, monitoring, and troubleshooting of network security infrastructure, such as firewalls, intrusion detection/prevention systems, and secure connectivity solutions.
  • Implements best practices in compliance with NERC/CIP, where applicable.
  • Monitors security advisories and supports the application of required security updates, patches, and preventative measures across networked systems.
  • Uses security and diagnostic tools to conduct basic testing of services, devices, and network components to validate proper operation of patches and implemented controls.
  • Reviews audit logs to identify potential security threats and assist in maintaining network monitoring, vulnerability scanning, and intrusion detection programs.
  • Supports sustainable encryption, remote access, and secure communication strategies for internal users and systems.
  • Collaborates with Network Security Engineers and the broader IT team on projects involving system integration, monitoring enhancements, and defense-in-depth improvements.
  • Assists in preparing procedures, technical documentation, diagrams, and reports to document security activities and provide reference materials.
  • Helps train technical support staff on security policies, procedures, and best practices.
  • Stays informed on industry trends, technologies, and emerging threats to support continuous improvement of the organization's security posture.
  • Provides backup support to Network Security Engineers and System Administrators, assuming administrative responsibilities as assigned.
  • Assists in resolving escalated end-user issues and support general technical troubleshooting as needed.
  • Performs all other duties as assigned.

Qualifications
Required
  • A Bachelor's Degree in Computer Science or a related field.
  • 3-years of professional experience in the network security or cybersecurity fields.
  • Demonstratable experience in the cybersecurity, network security, information security analysis, or cyber security fields.
  • Valid Cisco Certified Network Associate - Security (CCNA - Sec) or CompTIA Security+ certification, or the ability to obtain one of these certifications within twelve (12) months of hire.
  • A valid State of Illinois driver's license.

Preferred
  • A Master's Degree in Computer Science or a related field.
  • Valid Cisco Certified Network Associate (CCNA) or CompTIA Network+ certification.
  • Valid CCNA - Security or CompTIA Security+ certification.
  • Valid SANS GIAC or GRID.
  • Experience with ISA/IEC 62443.
  • Demonstratable experience in the cybersecurity, network security, information security analysis, or cyber security fields as applied to ICS, SCADA, Protection & Control (P&C), and/or Distributed Control Systems DCS (e.g., intrusion detection systems & design, OT incident response, vulnerability management, etc.).

Additional Information
The City of Naperville, Illinois is a dynamic community of 153,000 residents, conveniently located 28 miles west of Chicago. Various publications have named Naperville as one of the best cities in the United States in which to live. The City has gained national recognition for our family-friendly environment, excellent schools and library system, low crime rate, and vibrant downtown area. It's also a great place to work! Our municipal government employs over 900 dedicated individuals in a wide range of job categories and provides a collaborative working environment, a forward-looking leadership team, and a competitive benefits package.
Click here to learn more about the benefits offered by the City of Naperville.
Applications should be completed thoroughly, and resumes will not be accepted in lieu of an application but should be attached to the application. Include all requested education, experience, attachments, and other information when applying. Incomplete applications are subject to rejection. Notifications to applicants will be sent electronically to the email address provided in the application.
THE CITY OF NAPERVILLE IS AN E. O. E.
The City of Naperville complies with the Americans with Disabilities Act (ADA). Individuals needing accommodations in the recruitment process should notify Human Resources in advance at (630) 305-7066.
The City of Naperville offers a comprehensive benefits package that includes, but is not limited to:
  • Medical, Dental, Vision, and Life Insurance
  • IMRF (Illinois Municipal Retirement Fund) or Fire/Police Pension Programs
  • May be eligible for Federal Student Loan Forgiveness Program (if requirements are met)
  • Deferred Compensation Investment Plans
  • Flexible Spending Accounts
  • Employee Assistance Program
  • Additional Voluntary Benefits
  • Paid Time Off and Holidays
  • Sick Time
  • Paid Maternity and New Parent Leave
  • Service and Recognition Awards
For additional information

Apply