Network Security Engineer
Job in
Oklahoma City, Oklahoma County, Oklahoma, 73116, USA
Listed on 2026-01-26
Listing for:
Addison Group
Contract
position Listed on 2026-01-26
Job specializations:
-
IT/Tech
Cybersecurity, Systems Engineer, Network Security, IT Specialist
Job Description & How to Apply Below
Key Responsibilities
- End-to-end ownership of the enterprise network and network security environment
- Administration, configuration, and troubleshooting of Cisco Meraki infrastructure via the Meraki Dashboard
- Design, configuration, and support of Cisco ASA firewalls and Any Connect VPN solutions
- Daily administration and advanced troubleshooting of Cisco ISE
, including 802.1X authentication
, NAC policies, and switch integration - Network performance monitoring, alerting, and capacity management using Solar Winds (nodes, alerts, IPAM, logging, live sessions)
- Investigate network security threats, vulnerabilities, and anomalous activity in coordination with an outsourced SIEM/SOC vendor
- Serve as the primary technical contact for firewall, security posture, and threat mitigation with third-party security vendors
- Configure and support Cisco switches and routers via CLI (including 9300, 2960, 3650 or equivalent)
- Maintain accurate and up-to-date network and security architecture documentation using Visio
- Strong, hands-on experience with Cisco ISE (troubleshooting, policy enforcement, 802.1X required)
- Cisco ASA firewall and Any Connect VPN expertise
- Cisco Meraki Dashboard administration (switching, wireless, security appliances)
- Solar Winds network monitoring experience is mandatory
- Solid understanding of network security principles, threat detection, and incident response workflows
- Experience working with SIEM/SOC providers and managing security investigations and tickets
Assignment Type: 6-month contract-to-hire
Benefits:
This position is eligible for medical, dental, vision, and 401(k).
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