Network Engineer III; Aruba, Cisco, Meraki

Network Engineer III (Aruba, Cisco, Meraki)

Job Location s: US-DFW/Fort Worth/North Texas

Position Type:
Regular Full-Time

Requisition :

Category:
Customer Service/Support

C1: 1 Contact, 1 Connection, 1 Choice

C1 is the foremost, single-source provider of advanced communications and data technology for business. That means if it's digital, we connect our customers to it—from phone systems and hardware to computer networks, application development, managed solutions and more. We’re 100% passionate about designing, implementing, managing and supporting our customers’ every need from end to end, so that they can focus on what they do best.

The Network Engineer III position provides IT infrastructure engineering for network upgrades, changes, troubleshooting, relocation and migrations. We are seeking a highly skilled Senior Network Engineer with deep expertise in Aruba networking technologies, including routing, switching, wireless infrastructure and network access control. This role is responsible for the design, implementation, optimization and support of enterprise network environments leveraging Aruba solutions across campus, data center and edge locations.

• Design, deploy and maintain enterprise‑grade Aruba network infrastructure across routing, switching and wireless domains.
• Configure and support ArubaOS‑CX based switching platforms and Aruba routing/gateway solutions.
• Implement and manage Aruba wireless environments using ArubaOS (AOS 8/10) and Aruba Central for cloud‑based management.
• Lead network architecture initiatives, including high availability, segmentation and performance optimization.
• Administer and optimize Aruba Clear Pass Policy Manager for Network Access Control (NAC), including 802.1X authentication, role‑based access and device profiling.
• Troubleshoot complex network issues across Layer‑2 to Layer‑7, including wireless RF optimization and client connectivity.
• Perform firmware upgrades, patching and lifecycle management across all Aruba devices.
• Collaborate with security teams to enforce network access policies and segmentation strategies.
• Maintain documentation for network configurations, diagrams and operational procedures.
• Provide escalation support and mentorship to junior engineers.

• Must have extensive knowledge of high performance data center solutions, network infrastructure LAN/WAN, network security and enterprise wireless infrastructures.
• Expert knowledge of Cisco routers (ISR GEN1/2), switches (including NEXUS and Catalyst lines), security appliances (ASA, ISE, IPS, Prime MARS, NAC) is a strong plus.
• Expert knowledge of WAN circuits, MPLS, EIGRP, OSPF, BGP, RIP, FR/ATM, ACLs, TCP/IP, IPX.
• Extensive experience designing, implementing and troubleshooting VLANs using Cisco equipment, including intimate knowledge of Spanning Tree Protocol, VLAN Trunking Protocol, inter‑VLAN routing, IPv6 and trunking with ISL and 802.1q.
• Strong knowledge of VPN IPSec/SSL solutions and hands‑on deployment experience.
• Knowledge of load balancing for web systems and e‑commerce uses.
• In‑depth knowledge of Cisco IOS, NXOS and other technical configurations.
• Experience with monitoring, alerting and management tools such as Ethereal, Solar Winds, Orion Network Monitor, HP Open View.
• Hands‑on experience with wired/wireless ISE deployments, ASA, Firepower, AMP, Prime Infrastructure, security posture assessment and policy generation is a strong plus.
• Nexus experience with 9K, 7K, 5K, 2K, 1K.
• Cisco experience with 4507s‑VSS, 3750s, 2960s, MPLS, VPLS, PSTN, LAN.
• Strong customer‑facing skills.
• Ability to work under pressure.
• Experience with F5 is a plus.
• Cisco Certified Systems Engineer (CCIE) in any discipline.
• 7+ years of enterprise networking experience.
• Bachelor’s degree in Computer Science, Information Technology or related field (or equivalent experience).
• Aruba certifications preferred (ACMP, ACDP, ACMX).
• Strong analytical, troubleshooting and documentation skills.
• Experience working in large‑scale, multi‑site enterprise environments.
• Aruba certifications (ACMP, ACDP, ACMX) are preferred.
• 10+ years hands‑on experience in WAN/LAN technologies.
• Automation and scripting…