Senior L3 Network Engineer (Cisco & Aruba Specialist)

As a Senior L3 Network Engineer at Provate, Inc., you will be responsible for designing, implementing, and optimizing complex enterprise networks with a focus on Cisco and Aruba solutions. Your role will involve advanced troubleshooting, root cause analysis, and performance tuning across multi-site networks and data centers. Additionally, you will collaborate with cybersecurity and cloud teams, maintain network security controls, and create detailed network documentation and standards. Mentoring junior team members, participating in on-call escalation, and supporting upgrades, migrations, and incident response for critical customer environments are also part of your responsibilities. Key Responsibilities: - Design, configure, and maintain enterprise Cisco and Aruba network infrastructure. - Manage Layer 3 networking environments including BGP, OSPF, EIGRP, VRFs, and VLAN segmentation. - Troubleshoot routing, failover, and network performance issues. - Support high-availability network architectures and business-critical infrastructure. - Perform network upgrades, firmware maintenance, configuration reviews, and capacity planning. - Deploy and support Aruba wireless infrastructure. - Administer Aruba Central and Aruba ClearPass environments. - Configure and maintain secure wireless access controls and NAC policies. - Optimize wireless coverage, performance, and roaming capabilities. - Troubleshoot authentication, connectivity, and wireless performance issues. - Support secure enterprise network segmentation and connectivity initiatives. - Collaborate with infrastructure and security teams on network architecture and access control strategies. - Integrate network environments with firewall platforms and security solutions. - Support VPN connectivity, site-to-site networking, and edge routing services. - Ensure adherence to network security best practices and operational standards. Qualifications Required: - 8+ years of enterprise networking experience. - Strong hands-on expertise with Cisco IOS/XE/NX-OS and ArubaOS-CX. - Deep knowledge of routing protocols (BGP, OSPF, EIGRP), enterprise switching architectures, high-availability network design, and network segmentation. - Experience managing enterprise wireless and NAC environments. - Strong troubleshooting skills across multi-site enterprise networks. - Experience integrating network infrastructure with security and firewall technologies. - Excellent communication and documentation skills. Preferred Qualifications: - Experience supporting large-scale enterprise environments. - Exposure to SD-WAN technologies and WAN optimization solutions. - Experience working closely with cybersecurity and infrastructure teams. - Familiarity with advanced network monitoring and performance management practices. Preferred Technologies: - Cisco IOS/XE/NX-OS - ArubaOS-CX - Aruba Central - Aruba ClearPass - Palo Alto Networks - SolarWinds - Cisco DNA Center At Provate, Inc., you will have the opportunity to work on large-scale enterprise network transformation initiatives, gain exposure to modern networking, security, and automation technologies, work in a collaborative and technically driven environment, and benefit from long-term career growth and learning opportunities. As a Senior L3 Network Engineer at Provate, Inc., you will be responsible for designing, implementing, and optimizing complex enterprise networks with a focus on Cisco and Aruba solutions. Your role will involve advanced troubleshooting, root cause analysis, and performance tuning across multi-site networks and data centers. Additionally, you will collaborate with cybersecurity and cloud teams, maintain network security controls, and create detailed network documentation and standards. Mentoring junior team members, participating in on-call escalation, and supporting upgrades, migrations, and incident response for critical customer environments are also part of your responsibilities. Key Responsibilities: - Design, configure, and maintain enterprise Cisco and Aruba network infrastructure. - Manage Layer 3 networking environments including BGP, OSPF, EIGRP, VRFs, and VLAN segmentation. - Troubleshoot routing, failover, and network performance issues. - Support high-availability network architectures and business-critical infrastructure. - Perform network upgrades, firmware maintenance, configuration reviews, and capacity planning. - Deploy and support Aruba wireless infrastructure. - Administer Aruba Central and Aruba ClearPass environments. - Configure and maintain secure wireless access controls and NAC policies. - Optimize wireless coverage, performance, and roaming capabilities. - Troubleshoot authentication, connectivity, and wireless performance issues. - Support secure enterprise network segmentation and connectivity initiatives. - Collaborate with infrastructure and security teams on network architecture and access control strategies. - Integrate network environments with