Remote Network Engineer - 802.1X/MAB Security Specialist

Gdh Consulting, Inc.; St. Louis (MO); Remote; USD 199,752,000 - 228,682,000; Full time

Benefits offered by this job

Health benefits (GDH)

Wellbeats membership

Discounted gym membership

Job summary

GDH is seeking a Network Engineer to design, deploy and optimize secure 802.1X and MAB configurations across multiple sites. You will review, template and implement network access policies while ensuring reliable security and access control.

The role requires hands-on experience with 802.1X, MAB, CoA, and Cisco IOS/IOS-XE, plus automation skills for bulk config. The position offers a fully remote work arrangement within the continental United States, with travel up to 75% for deployments and

Qualifications

• 5 to 8 years of campus or enterprise networking experience.
• 3+ years deploying 802.1X and MAB across wired and wireless networks.
• U.S. Government security clearance eligibility and U.S. citizenship.
• Hands-on experience configuring and troubleshooting 802.1X, MAB, and CoA in production network environments.
• Strong knowledge of Cisco IOS/IOS-XE or comparable switching technologies (AAA, VLANs, DHCP snooping, DAI, port security).
• Experience with bulk configuration deployment and rollback using automation technologies such as Ansible, Python, or Netmiko.
• Ability to work in physical network environments and participate in scheduled after-hours maintenance windows as required.
• Ability and willingness to travel up to 75% to locations within the continental United States.

Responsibilities

• Review switch inventory, firmware, and configurations to assess 802.1X, MAB, and CoA readiness and identify equipment requiring remediation or replacement.
• Develop and deploy standardized 802.1X and MAB configuration templates across multiple environments, including rollback procedures.
• Configure network ports for devices such as IP phones, printers, IoT devices, and other equipment requiring MAB or approved exceptions.
• Configure AAA, RADIUS, TACACS+, VLAN assignments, DHCP snooping, and related network security features.
• Support phased network enforcement activities, monitor network performance, and troubleshoot connectivity issues.
• Configure wireless authentication systems, including Wi-Fi networks supporting 802.1X authentication.
• Develop and maintain as-built documentation, configuration backups, and network diagrams.
• Perform network changes during designated maintenance windows, including physical and virtual configuration activities.
• Collaborate with cross-functional teams to support network security and compliance requirements.
• Travel to multiple locations within the continental United States to support network deployment and configuration activities.

Skills

802.1X

MAB

CoA

Cisco IOS/IOS-XE

AAA

VLANs

DHCP snooping

DAI

Port security

Automation tools

Tools

Ansible

Python

Netmiko

Job description

GDH is seeking a Network Engineer to design, deploy and optimize secure 802.1X and MAB configurations across multiple sites. You will review, template and implement network access policies while ensuring reliable security and access control.

The role requires hands-on experience with 802.1X, MAB, CoA, and Cisco IOS/IOS-XE, plus automation skills for bulk config. The position offers a fully remote work arrangement within the continental United States, with travel up to 75% for deployments and