Senior Network Engineer
4 days ago
Houston
ABOUT OF CLIENT Join Our Client as a Senior Network Engineer and lead the design, security, and optimization of enterprise network infrastructure. Bring your expertise in Cisco, SD-WAN, and cloud environments to drive innovation and reliability across global systems. An exciting opportunity to shape the future of a high-performance network team. ABOUT THE ROLE We are seeking an experienced Senior Network Engineer to design, build, secure, and optimize complex enterprise network environments. This role plays a critical part in ensuring network reliability, performance, and security while contributing to forward-looking architecture and technology strategies. RESPONSIBILITIES • Establish and maintain network performance, • Build network configurations and troubleshoot problems, • Design and audit IP addressing schemes, • Develop system configurations and oversee installations, • Define, document, and enforce system standards, • Troubleshoot outages and schedule upgrades to maximize performance, • Configure routers, switches, and SD-WAN equipment, • Collaborate with architects on network optimization, • Secure systems by defining policies and monitoring access, • Maintain knowledge through professional development and industry research, • Partner with security teams to ensure enterprise-level protection, • Provide technical strategy and guidance for network growth and innovation, • Lead changes in architecture, design, and technologies, • Serve as a technical consultant on enterprise-wide projects, • Support LAN, WAN, WLAN, and Cloud connectivity architectures, • Manage network infrastructure for growth, resilience, and disaster recovery, • Provide 3rd level support for escalated network issues, • Assist with wireless infrastructure and EA network design impacts, • Lead large-scale network projects and provide regular progress updates, • Maintain compliance with company policies, procedures, and safety requirements QUALIFICATIONS • MUST HAVE Strong knowledge of IP Routing Protocols including and specifically EIGRP and BGP including outage handling and migrations, eBGP/iBGP, route policies, etc..), • 10+ years of LAN/WAN networking experience with deep understanding of communication methods (Multi-site, DC, retail or similar), • 5+ years of hands-on experience with network firewall security (Cisco, Palo Alto, Fortinet), • Proven expertise in large-scale WAN/LAN Cisco network design and maintenance, • Experience managing network projects and vendor/telco carrier relationships (Voice SIP/WebEx Cloud/Call Manager), • Full understanding of OSI model, DNS, DHCP, IP routing (L3), and switching (L2), • Experience with SD-WAN technologies, Meraki preferred, • Cloud networking architecture (GCP, AWS, Azure preferred including gateways, VPC/VNet, VPN, peering), • Experience with Wi-Fi protocols and products (Aruba and Meraki preferred), • Proficiency in TCP/IP protocols in large networks, • Strong IP scheme design and deployment background PREFERRED QUALIFICATIONS • Bachelor’s degree in Electrical Engineering, Computer Science, or related field, • CCNA/CCNP or higher certification, • Experience with Cisco Call Manager and WebEx Cloud, • Knowledge of SIP and voice routing, • Knowledge of both Cisco and Fortinet with preferred expertise in migrations from CISCO to Fortinet