Network Systems Engineer

GDT is looking for a Wireless LAN Engineer with WLAN implementation Experience 

As part of an industry-leading team, you will help empower results for our clients by delivering innovative and effective solutions supporting our Infrastructure Professional Services located in Dallas, TX, or a virtual office environment.  

GDT is investing in wireless, smart office technologies and mobility technologies like WiFi, Private LTE, Private 5G, Blue Tooth,. Our leadership has a fantastic partner relationship with major vendors including Cisco, Meraki, Aruba, Juniper/Mist, Celona, Highway9, Nokia and have direct access to partner SE’s for each that maintain a regular cadence. Therefore, we get a first look on new product releases and what is going to be released in the future.  GDT also maintains advanced training and demonstration labs to self-train, demonstrate, and test pre-implementation solutions Join our team and be a part of our IT transformation. 

Your impact as a Wireless LAN Engineer 

Responsibilities Include (not limited to): 

• Plan, design, implement and maintain wireless networks to meet the business needs of a large enterprise. 

• Develop and recommend solutions to enhance system performance and stability. 

• Host design discovery meeting and consultation workshops to identify and document client WLAN goals and requirements. 

• Build Low Level Design Documentation to track configuration elements necessary to successfully configure and deploy networks. 

• Provide installation instructions and best practices for peer installation teams. 

• Configure, turn up, Test, and Troubleshoot Advanced WLAN architectures. 

• Configure and turn up multiple forms of WLAN Authentication (Guest Splash Page, Passphrase, 802.1x). 

• Perform system upgrades for WLAN controllers, access points, and management platforms including code and hardware upgrades and equipment moves. 

• Design, configure, and turn up Wireless guest access with anchor controllers 

• Implement and manage rogue detection and containment, and other security requirements as recommended by information security leadership. 

• Build out and manage centralized management platform (Cisco DNA Center, Aruba Central, Mist Dashboard, Meraki Dashboard) and add all sites and equipment. Establish and manage monitoring, alerting, and visual dashboards. 

• Find ways to fine-tune existing wireless networks by building and adjusting AP groups, RF settings, WLAN Settings, band steering and adjusting/changing areas of the network to provide optimal wireless solutions to the end-user population. 

• Write scripts to resolve support issues or automate infrastructure deployment and collect metrics. 

• Work with third party vendors and assist with equipment configuration, placement and provide suggestions for optimal equipment performance. 

• Work with internal groups to implement new sites including network security, end-users, and other interested parties. 

• Document every new and existing site with network diagrams, management IP addresses, hardware lists, backup running-configuration and other information needed to troubleshoot any wireless issue. 

• Proficient in advanced Radio Frequency (RF) architectures (real time applications, real time location services (RTLS), High Density) 

• Provide leadership, support, and guidance to installation teams, RF Survey teams for assigned projects. 

• Perform spectrum analysis of existing installations and recommend and implement needed changes based on recommended service levels and equipment load. 

• Recommend and develop best practices for new locations. 

• Analyze existing architecture and implementation and make recommendations and changes needed to support VOIP and other real time applications. 

• Cross-train other members of the network team and provide documentation so that any member of the group can support and troubleshoot wireless network issues. 

• Experience with advanced integration and automation via API's (Postman, Python, etc).

You Bring Knowledge and Expertise 

Required Experience: 

• 5+ years of experience with Cisco, Aruba, Meraki, Mistinfrastructure in large scale global deployments. 

• 5+ years of experience with 802.1x, RADIUS, EAP-TLS WLAN standards. 

• 5+ years of experience with TCP/IP internals and the ability to analyze packet captures. 

• 2+ years of experience with Ekahau, AirMagnet or other site survey software. 

• 3+ years of experience with LAN/WAN technologies, MPLS, IPsec, VPN, BGP and OSPFRF Design, RF Survey/Engineering and RF troubleshooting skills. 

• Thorough understanding of wireless authentication, security, and network management. 

• Experience designing and deploying key wireless applications including mobility, VOIP, location-based services, and guest wireless. 

• Knowledge of Cisco and/or Aruba series mobility controllers and all types of access points including autonomous, AP cluster (Cisco EWC/Aruba IAP), Controller based. 

• Ability to use tools to generate heat maps to provide optimal AP placement to produce wireless signal coverage and meet client requirements. 

• Private LTE/Private 5G design and deployment experience is a plus 

Preferred Experience: 

Aruba Certified Mobility Professional (ACMP),  

Cisco Certified Network Administrator (CCNA-wireless), Cisco Certified Network Professional (CCNP -wireless), or Cisco Certified Internetwork Expert (CCIE-wireless) 

Certified Wireless Network Professional Level certification (CWNA, CWDP, CWAP, CWSP, CWNE) 

Meraki (CMNA, ECMS1, ECMS2) 

Juniper (JMCIA-Mist Associate, JMCIS-Mist AI Specialist)