Network Engineer

Cognizant is seeking a Network Engineer in Louisville, KY for a full – time onsite opportunity. This role will work onsite out of our Cognizant/Client location in Louisville, KY. Applicants must be authorized to work in the US. This role does not offer visa sponsorship now or anytime in the future. Design and Implement Networks

• Create and maintain IT and OT related networks including LAN/WAN infrastructure.
• Design and implement network solutions to improve performance, reliability, and security.
• Install, configure, and support EMS (Energy Management Systems) network equipment including Cisco switches, routers, and firewalls.

Network Traffic Management and Monitoring

• Monitor and manage network traffic using tools such as SolarWinds.
• Proficiency in using Wireshark or other tools for network troubleshooting.
• Perform routine checks, updates, and performance tuning.

Firewall & Security Management

• Develop and implement firewall rules to meet operational and compliance requirements.
• Proactively review and optimize firewall rules to enhance security posture.
• Implement network security policies including VPNs and access control systems.
• Perform vulnerability assessments and apply patches to maintain NERC CIP and TSA compliance.

Authentication & Access Controls

• Support and maintain RSA two-factor authentication systems.
• Configure and manage TACACS and Cisco ISE for network access control.

Documentation · Maintain and update all network-related documentation including configurations, modifications, and troubleshooting procedures. Collaboration · Work closely with other IT Teams and businesses to ensure smooth system integration and cross-functional support. Support & Operations

• Troubleshoot and resolve highly complex network issues across multiple platforms.
• Participate in on-call rotation to provide 24/7 network support.
• Provide implementation, troubleshooting, maintenance, and user support as needed.

Required Skills & Qualifications:

• 8 plus years of hands on experience in Cisco Routing, Switching and Firewall.
• NERC, CIP and GAS TSA.
• Experience working with Solarwinds and Wireshark.
• RSA two-factor authentication, TACACS, and Cisco ISE.
• Proven ability to troubleshoot complex network issues and implement effective solutions.

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