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Choctaw Nation of Oklahoma Network Firewall Engineer 3 in Durant, Oklahoma

Network Firewall Engineer 3


Job Purpose or Objective(s): Supports all Network Security solutions for implementation, and troubleshooting user authentication, remote access, VPN, security network segmentation, security compliance. The Network Firewall Engineer III will work with other Network Engineers, Network System Administrators, Information Security, and 3rd party vendors; stay up to date on new solutions and recommend ways that can better support CNO.

Primary Tasks:

  1. A seasoned, experienced professional with a full understanding of area of specialization; resolves a wide range of issues in creative ways. This job is the fully qualified, career-oriented, journey-level position.

  2. Works on problems of diverse scope where analysis of data requires evaluation of identifiable factors. Demonstrates good judgment in selecting methods and techniques for obtaining solutions. Networks with senior internal and external personnel in own area of expertise.

  3. Normally receives little instruction on day-to-day work, general instructions on new assignments.

  4. Communicates effectively inside the department (IT). Aligns basic projects and work to achieve departmental goals. Can articulate standard operational challenges in an understandable way to an audience unfamiliar with departmental concepts.

  5. Significant ability to influence department on a wide range of issues pertaining to specialty. Contributes to overall impact toward departmental goals.

  6. Seasoned professional understanding of Cisco Security solutions such as ASA, FirePower, ISE, routers and switches. Able to configure and troubleshoot Cisco Security devices or other vendors like Palo Alto. With the Ability to problem solve firewall / security issues within the network

  7. Moderate to Seasoned ability to support and troubleshoot or implementation WiFi / WLAN port security with ISE.

  8. Expert understanding of network security (Firewalls, IDS, IPS, and configuration settings, end user authentication, remote access, security network segmentation, security compliance) and Full understanding for security frameworks including but not limited to NIST, COBIT, and ISO 27001.

  9. Seasoned Professional understanding of Firewalls (Cisco ASA, Cisco ISE, Cisco Firepower, Palo Alto, Fortinet, Checkpoint, end user authentication, remote access, security network segmentation, security compliance other)

  10. Performs other duties as may be assigned.

Required Education, Skills and Experience:


  • No College degree

  • No technical Certifications needed with 5 years’ experience in Network Engineering

  • 3 years Professional Experience of Cisco Security hardware support (ISE, ASA, FirePower)

  • 3 years supporting Cisco or other vendors Firewalls, switches, and routers.


  • Bachelor’s in Computer Science or related field preferred

  • Preferred Cisco CCNA Security Certificate

  • 4 to 15 years supporting, troubleshooting, or designing Cisco Security solutions and working with routers, switches, ISE and firewalls.

  • SME (Subject Matter Expert) in one of these ASA, FirePower, ISE, Palo Alto, IDS, or IPS.


Job Information Technology

Primary Location OK-Durant

Work Locations Durant HQ 1802 Chukka Hina Durant 74701

Organization Information Technology

Schedule Regular


Day Job

Req ID: 20001763