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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Senior Network Security Engineer - **Company:** City of Naperville - **Location:** Aurora, IL, United States - **Experience:** Expert - **Salary:** $102,569.0 - $112,826.0 - **Contract:** Permanent contract - **Skills:** Cyber Security, Information Systems, Networking Hardware, Intrusion Detection and Prevention, Intrusion Detection Systems, Network Security, Network Monitoring, Red Team (Cyber Security), Security Information and Event Management, Computer Equipment, Information Technology, Smartgrid, Cisco, Blue Team (Cyber Security), Vulnerability Analysis - **Published:** July 11, 2026 - **Apply:** https://www.indeed.com/viewjob?jk=7ee360efab20c085 ## About the Role * A Bachelor's Degree in computer science or a related field. * A minimum of two years of professional experience in the network security or cybersecurity fields with a proven track record of successful project completions. * Valid ISC2, CISSP, and/or SSCP certification(s). * A valid State of Illinois driver's license. Preferred * A valid Cisco Certified Network Associate - Security (CCNA - Sec). * A valid Certified Network Penetration Tester (PNPT) and/or Certified Blue Team Professional (CBTP). * A valid Certified Red Team Professional (CRTP) and/or Certified Ethical Hacker (CEH). * A valid Certified Network Defense Architect (CNDA). * One to two years of supervisory experience. ## Description This City's Electric Utility is currently seeking a Senior Network Security Engineer to lead a team in installing, monitoring, and maintaining networks within the City's Electric Utility Smart Grid Network and external networks to ensure network, operational, and information systems security. The Senior Engineer implements and maintains network monitoring programs, intrusion detection & protection systems, vulnerability scanning programs, and associated remediation programs., * Leads the Utility IT team's project coordination and communication to external stakeholders of the effects of IT projects on their business operations during maintenance, upgrades, and new implementations. * Implement new security technologies, strategies, and programs to enhance the Electric Utility's security posture. * Review projects to ensure proper security controls are applied to maintain a secure network. * Implements and maintains Intrusion Detection systems, Intrusion Protection systems, SIEM, vulnerability scanning programs, and associated remediation programs. * Identifies opportunities to incorporate best security practices into the Utility's culture. Drafts IT policies/procedures to ensure industry best practices are documented, followed, and in alignment with overall City IT policy. Works with management to gain security policy/procedure approvals, implementation, and to address adherence/violations to policies. * Installs, maintains, monitors, and troubleshoots firewalls, intrusion prevention/detection systems, and other network and server infrastructure to ensure the security and integrity of Electric Utility operational and information systems. * Monitors security advisory guidance to ensure all necessary network security updates, patches, and preventive measures are in place. Uses tools to test efficacy of in-place services, servers, and network devices. Validates patches and other security measures are working as designed. * Completes cybersecurity audits with independent consultants to validate Department of Public Utilities - Electric (DPU-E) security. * Acts as a liaison to the City's IT Network Security team. Attends joint planning and operation meetings. Collaborates with City IT staff on improving security posture at the Utility and the City as a whole. * Prepares written materials, including procedures, documentation, diagrams, and reports, to document activities, provide written references, and/or convey information. * Trains technical support staff on security policy, procedures, and best practices. * Monitors trends in the computer industry to ensure security of DPU-E network systems and computer equipment. * Attends meetings, workshops, and seminars to gather and convey information required to perform functions. * Assists in resolving end-user issues, as escalated. * Performs all other duties as assigned. ## Related Videos - [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) - [What makes Cybersecurity different for critical infrastructure?](https://www.wearedevelopers.com/videos/571-what-makes-cybersecurity-different-for-critical-infrastructure) - [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 Sleuth: Finding Hidden Connections in Cyber Data](https://www.wearedevelopers.com/videos/893-cyber-sleuth-finding-hidden-connections-in-cyber-data) - [Computer Vision from the Edge to the Cloud done easy](https://www.wearedevelopers.com/videos/263-computer-vision-from-the-edge-to-the-cloud-done-easy) - [Cyber Security: Small, and Large!](https://www.wearedevelopers.com/videos/259-cyber-security-small-and-large) ## Related Articles - [9 Ways to Make Money Hacking](https://www.wearedevelopers.com/magazine/333-9-ways-to-make-money-hacking) - [What’s the Difference between a Junior, Mid, and Senior Developer?](https://www.wearedevelopers.com/magazine/238-what-s-the-difference-between-a-junior-mid-and-senior-developer) - [Best Paying Jobs in Technology](https://www.wearedevelopers.com/magazine/256-best-paying-jobs-in-technology) - [Where to Find Entry-Level Software Engineering Jobs](https://www.wearedevelopers.com/magazine/397-where-to-find-entry-level-software-engineering-jobs) - [The Most Popular IT Jobs on the Market](https://www.wearedevelopers.com/magazine/376-the-most-popular-it-jobs-on-the-market) - [The 12 Best Jobs for Software Engineers](https://www.wearedevelopers.com/magazine/401-the-12-best-jobs-for-software-engineers)