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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Senior Network Engineer - **Company:** Sysco, Inc. - **Location:** Houston, TX, United States - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** Amazon Web Services, Application Firewall, Systems Engineering, Microsoft Azure, Border Gateway Protocol, Catalyst (Software), Cisco PIX, Cisco Routers, Cloud Computing, Configuration Management, Information Systems, Data Centers, Dynamic Host Configuration Protocol, Domain Name System (DNS), Enhanced Interior Gateway Routing Protocol, Firmware, Hot Standby Router Protocol, Network Topologies, IP Addressing, IPv4, IPv6, Virtual Private Networks (VPN), NetFlow, Network Architecture, Network Diagrams, Network Monitoring, Routing, Network Service, Packet Analyzer, Cisco Nexus Switches, Open Shortest Path First (OSPF), Remote Access Technology, TCP/IP, Wireshark, Virtual Local Area Networks, Virtual Router Redundancy Protocols, Wide Area Networks, Wireless Networks, Network Switches, Network Routing, Network Routers, Computer Networking Systems, Load Balancing, System Availability, Firewalls (Computer Science), Juniper, Information Technology, SDN Network, SolarWinds (Software), Performance Monitor, Wireless Technologies, Cisco, Network Optimization - **Published:** October 19, 2026 - **Apply:** https://www.careercircle.com/jobs/all/all/usa/tx/houston/f07df3c6-ad21-4364-8c20-29f5c3bb3297 ## About the Role IPv6 IPv4 TCP/IP NetFlow Auditing Firewall Firmware Wireshark Cisco PIX SolarWinds Scalability Data Centers IP Addressing Microsoft Azure Network Routing Packet Analyzer Juniper Routers Computer Science Network Switches Cisco Networking Network Topology Network Diagrams Change Management Wireless Networks Telecommunications Wide Area Networks Network Monitoring Systems Engineering Amazon Web Services Incident Management Network Engineering Remote Access Systems Operational Excellence Network Infrastructure Cisco Routers Switches Wireless Communications Border Gateway Protocol Firewall Administration Configuration Management Hot Standby Router Protocol Virtual Private Networks (VPN) Network Performance Management Open Shortest Path First (OSPF) Troubleshooting (Problem Solving) Virtual Router Redundancy Protocols Aruba (Network Management Software) Cisco Certified Network Professional Cisco Adaptive Security Appliance (ASA) Dynamic Host Configuration Protocol (DHCP) Enhanced Interior Gateway Routing Protocols Software-Defined Networking Wide Area Network (SD-WAN), * Bachelor's degree in information systems, Engineering, Computer Science or a related field of study. Related experience may be considered in lieu of required formal education Experience: 5-7 years of experience in network engineering, including configuration, troubleshooting, and support of enterprise networks. Licenses/Certifications Required: * Professional Industry Certifications in the area of Network infrastructure, such as CCNP, CCIE Licenses/Certifications Preferred: * Industry Certifications in Networking, Cyber, wireless, telecom, or other infrastructure areas Technical Skills: * Strong hands-on experience with Cisco routing and switching platforms (Catalyst, Nexus) * Configuration and support of Cisco and/or Juniper routers and switches * Network monitoring tools (e.g., SolarWinds, NetFlow, Wireshark) * Firewall administration (e.g., Palo Alto, Checkpoint, Cisco ASA) * Load balancer configuration and troubleshooting (F5 LTM/GTM) * Wireless networking (e.g., Cisco, HP/Aruba) * IP addressing and protocols: IPv4/IPv6, TCP/IP, BGP, OSPF, EIGRP, DNS, DHCP * VLANs, STP, HSRP/VRRP, port-channeling * TCP/IP, DNS, DHCP, BGP, EIGRP, OSPF * Network change and incident management processes * Familiarity with SD-WAN and basic cloud networking concepts (AWS/GCP/Azure) * Network monitoring and packet analysis tools (SolarWinds, Wireshark, NetFlow) * Solid understanding of global WAN technologies, VPN, and remote access infrastructure ## Description This is a hybrid position requiring an on-site presence 3 to 4 days per week. Please note that the number of days on-site can increase based on business needs., The Senior Network Engineer is responsible for implementing, configuring, and maintaining network infrastructure across the enterprise. This role focuses on hands-on technical work including performance monitoring, issue resolution, and configuration management. The Senior Network Engineer works closely with architecture and security teams to ensure operational excellence and supports the stability, scalability, and security of all network services., * Deploy, configure, and maintain enterprise-grade network infrastructure across global data centers and remote sites. (routers, switches, firewalls, wireless, etc.) * Monitor and optimize network performance using industry-standard tools to ensure high availability and reliability across diverse time zones. * Maintain accurate documentation of network topology, configurations, and operational procedures. * Troubleshoot complex issues involving routing, switching, firewalls, wireless systems, and connectivity between international locations. * Execute network changes and updates following change management processes. * Support the administration of Cisco network gear along with Palo Alto, Checkpoint, and F5 solutions. * Perform firmware upgrades, patches, and configuration changes in line with change management protocols. * Collaborate with cross-functional teams-including architecture, security, and cloud operations-to support integrated infrastructure projects. * Work with vendors and service providers to maintain uptime and support. * Document configuration standards and network diagrams to support scalability and incident response. * Provide input on network designs and participate in the evaluation of new technologies. * Ensure compliance with security standards and assist in audits or remediation tasks. * Serve as a technical escalation point for network-related incidents and problems. * Participate in on-call rotation and global incident escalations to ensure 24x7 uptime coverage.