> Markdown version of [/jobs/ext/3779944-network-engineer-senior](https://www.wearedevelopers.com/jobs/ext/3779944-network-engineer-senior). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Network Engineer, Senior - **Company:** Blue Cross and Blue Shield Association - **Location:** Long Beach, CA, United States - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** Amazon Web Services, Microsoft Azure, Border Gateway Protocol, Catalyst (Software), Cloud Computing, Complex Networks, Computer Networks, Data Centers, Dynamic Host Configuration Protocol, Domain Name System (DNS), Enhanced Interior Gateway Routing Protocol, Systems Analysis, Python (Programming Language), Network Security, Network Configuration and Change Management, Network Architecture, Network Monitoring, Routing, Network Segmentation, Network Service, Packet Analyzer, Cisco Nexus Switches, Open Shortest Path First (OSPF), Performance Tuning, Remote Access Technology, Ansible, Virtual Local Area Networks, Wireless Networks, Load Balancing, Computer Network Operations, SolarWinds (Software), Firepower, Cisco - **Published:** October 16, 2026 - **Apply:** https://www.careerbuilder.com/job-details/network-engineer-senior-long-beach-ca--8dc069eb-ebb2-4d6d-87cb-93c09ea6c1ae ## About the Role * Bachelor's degree or equivalent experience * Requires a minimum of 5 years of relevant experience, preferably in enterprise networking * Strong hands-on experience with: Cisco routing and switching (Catalyst, Nexus), Wireless networking (Cisco APs and controllers), Network security (Palo Alto, Cisco Firepower, VPN technologies), Load balancing (F5 or equivalent) * Strong understanding of: Routing protocols (BGP, OSPF, EIGRP), Network segmentation (VRF, VLANs), WAN connectivity and troubleshooting * Proven experience troubleshooting production network environments * Experience with packet capture and traffic flow analysis * Strong operational awareness and incident response capability * Experience with Cisco ACI preferred * Experience with Infoblox (DNS, DHCP, IPAM) preferred * Cloud networking experience (Azure, AWS) preferred * Experience with network monitoring tools (e.g., SolarWinds) preferred * Familiarity with automation and scripting (Python, Ansible) preferred ## Description Your RoleWe are seeking a highly capable Senior Network Engineer to support the implementation, operation, and maintenance of enterprise network infrastructure across cloud and on-prem environments. This role is part of the Network Engineering team and is responsible for ensuring network stability, performance, and availability through strong operational execution and technical expertise. The ideal candidate has deep hands-on experience in troubleshooting, network configuration, and production support, and works closely with Principal and Consultant Network Engineers to implement solutions and maintain reliable network services.Our leadership model is about developing great leaders at all levels and creating opportunities for our people to grow - personally, professionally, and financially. We are looking for leaders that are energized by creative and critical thinking, building and sustaining high-performing teams, getting results the right way, and fostering continuous learning.Your Knowledge and ExperienceBachelor's degree or equivalent experienceRequires a minimum of 5 years of relevant experience, preferably in enterprise networkingStrong hands-on experience with: Cisco routing and switching (Catalyst, Nexus), Wireless networking (Cisco APs and controllers), Network security (Palo Alto, Cisco Firepower, VPN technologies), Load balancing (F5 or equivalent)Strong understanding of: Routing protocols (BGP, OSPF, EIGRP), Network segmentation (VRF, VLANs), WAN connectivity and troubleshootingProven experience troubleshooting production network environmentsExperience with packet capture and traffic flow analysisStrong operational awareness and incident response capabilityExperience with Cisco ACI preferredExperience with Infoblox (DNS, DHCP, IPAM) preferredCloud networking experience (Azure, AWS) preferredExperience with network monitoring tools (e.g., SolarWinds) preferredFamiliarity with automation and scripting (Python, Ansible) preferredHybridThis role requires employees to be in-office based on our hybrid workplace model, balancing purposeful in-person collaboration with flexibility. For most teams, this means coming into the office two days each week.Employees living more than 50 miles from an office location will work with their manager to determine in-office time based on business need.Your WorkIn this role, you will:Maintain network stability, performance, and availability through day-to-day operationsMonitor network health, capacity, and utilization across enterprise environmentsTroubleshoot and resolve complex network incidents across WAN, LAN, data center, and cloudSupport service requests including adds, moves, and changes (MACDs)Perform packet capture and traffic flow analysis to diagnose issuesExecute network changes in accordance with change control processesParticipate in scheduled maintenance windows, including after-hours and weekend workProvide timely incident response and escalation as neededCoordinate with vendors for circuit issues, hardware failures, and escalationsReceive and implement build documents and technical designs from Principal and Consultant Network EngineersConfigure and deploy network infrastructure according to specificationsProvide operational feedback to improve engineering designs and standardsSupport network migration and infrastructure deployment activitiesPerform system analysis and interpret data for capacity planning and performance optimizationReview and monitor network systems and processes to ensure availability and accessDocument configurations, operational procedures, and maintenance activitiesMaintain accurate records of network changes and updatesWork closely with Consultant Network Engineers on engineering initiatives and deploymentsSupport Principal Network Engineer architectures by providing operational insights and troubleshooting dataCollaborate with cross-functional teams and application ownersContribute to continuous improvement of network operations and processesYour WorkIn this role, you will:Maintain network stability, performance, and availability through day-to-day operationsMonitor network health, capacity, and utilization across enterprise environmentsTroubleshoot and resolve complex network incidents across WAN, LAN, data center, and cloudSupport service requests including adds, moves, and changes (MACDs)Perform packet capture and traffic flow analysis to diagnose issuesExecute network changes in accordance with change control processesParticipate in scheduled maintenance windows, including after-hours and weekend workProvide timely incident response and escalation as neededCoordinate with vendors for circuit issues, hardware failures, and escalationsReceive and implement build documents and technical designs from Principal and Consultant Network EngineersConfigure and deploy network infrastructure according to specificationsProvide operational feedback to improve engineering designs and standardsSupport network migration and infrastructure deployment activitiesPerform system analysis and interpret data for capacity planning and performance optimizationReview and monitor network systems and processes to ensure availability and accessDocument configurations, operational procedures, and maintenance activitiesMaintain accurate records of network changes and updatesWork closely with Consultant Network Engineers on engineering initiatives and deploymentsSupport Principal Network Engineer architectures by providing operational insights and troubleshooting dataCollaborate with cross-functional teams and application ownersContribute to continuous improvement of network operations and processes