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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Network Security Engineer - Operational Technology - **Company:** City of Naperville - **Location:** Aurora, IL, United States - **Experience:** Experienced - **Salary:** $94,971.0 - $104,468.0 - **Contract:** Permanent contract - **Skills:** CompTIA Network+, CompTIA Security+, Cyber Security, Computer Networks, Supervisory Control and Data Acquisition (SCADA), Intrusion Detection and Prevention, Intrusion Detection Systems, Network Security, Network Monitoring, Remote Access Technology, Systems Integration, Software Vulnerability Management, Diagnostic Tools, Computer Networking Systems, Information Technology, Operational Systems, Smartgrid, Cisco, Vulnerability Analysis - **Published:** May 27, 2026 - **Apply:** https://www.indeed.com/viewjob?jk=8e52c707fbba3e27 ## About the Role Do you have a valid Driver's License license?, Do you have experience in Vulnerability scanning implementation?, Do you have a Bachelor's degree?, * 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.). ## 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., * 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. ## Related Videos - [What makes Cybersecurity different for critical infrastructure?](https://www.wearedevelopers.com/videos/571-what-makes-cybersecurity-different-for-critical-infrastructure) - [How Cisco embraced a DevOps culture within its network engineering team](https://www.wearedevelopers.com/videos/99-how-cisco-embraced-a-devops-culture-within-its-network-engineering-team) - [Thinking Differently - How to Make Money from Cyber Attacks & Cheats](https://www.wearedevelopers.com/videos/745-thinking-differently-how-to-make-money-from-cyber-attacks-cheats) - [Cyber Security: Small, and Large!](https://www.wearedevelopers.com/videos/259-cyber-security-small-and-large) - [Cyber Sleuth: Finding Hidden Connections in Cyber Data](https://www.wearedevelopers.com/videos/893-cyber-sleuth-finding-hidden-connections-in-cyber-data) - [Your Infrastructure Is Not a Playground: AI Agents for Infra Done Right](https://www.wearedevelopers.com/videos/2084-your-infrastructure-is-not-a-playground-ai-agents-for-infra-done-right) ## Related Articles - [Best Paying Jobs in Technology](https://www.wearedevelopers.com/magazine/256-best-paying-jobs-in-technology) - [9 Ways to Make Money Hacking](https://www.wearedevelopers.com/magazine/333-9-ways-to-make-money-hacking) - [Is Software Engineering Over-Saturated?](https://www.wearedevelopers.com/magazine/418-is-software-engineering-over-saturated) - [The Most Popular IT Jobs on the Market](https://www.wearedevelopers.com/magazine/376-the-most-popular-it-jobs-on-the-market) - [Top-Paying Tech Jobs (with Salaries)](https://www.wearedevelopers.com/magazine/372-top-paying-tech-jobs-with-salaries) - [7 Important Tips That Every Software Developer Should Know](https://www.wearedevelopers.com/magazine/101-7-important-tips-that-every-software-developer-should-know)