Senior Network Engineer

SUMMARY The Senior Network Engineer is responsible for designing, implementing, maintaining, and troubleshooting enterprise and datacenter network infrastructure. This role serves as a senior technical resource and escalation point for complex network issues, supporting high-availability environments and ensuring network performance, reliability, and security. The ideal candidate has strong hands-on experience with routing and switching, BGP, Juniper network technologies, and datacenter environments. Experience with network design, security appliances, network overlays, and automation is highly valued. JOB RESPONSIBILITIES Design, implement, configure, and maintain enterprise and datacenter network infrastructure. Serve as a senior technical escalation point for complex network incidents and issues. Configure and manage routing and switching infrastructure across production environments. Deploy and maintain BGP sessions across WAN, public, and datacenter network environments. Configure and support Juniper EX/QFX switching and SRX security appliances . Provision network services including servers, firewalls, GRE tunnels, and related connectivity. Investigate and troubleshoot network incidents while minimizing customer impact and service disruption. Work with internal teams, customers, network providers, transit providers, and cross-connect partners to resolve connectivity issues. Participate in network upgrades, migrations, capacity planning, and infrastructure expansion. Support router, switch, uplink, and network resource upgrades. Assist with the deployment of new network locations and points of presence. Follow formal change management processes and participate in Change Advisory Board (CAB) activities. Monitor network performance, availability, capacity, and utilization. Identify opportunities to improve network reliability, performance, scalability, and operational efficiency. Maintain network documentation, configurations, diagrams, and technical procedures. Support incident management and communicate with affected clients through resolution. Stay current with networking technologies, security practices, and industry best practices. Contribute to automation and operational improvements using scripting and network automation tools where applicable. QUALIFICATIONS Bachelor’s degree in Computer Science, Information Technology, Engineering, or a related field, or equivalent practical experience. 5+ years of hands-on network engineering experience , preferably in enterprise, datacenter, telecommunications, or financial services environments. Strong technical expertise in routing and switching . Experience with Juniper networking technologies, particularly EX/QFX switches and SRX firewalls. Strong understanding and practical experience with BGP . Experience designing, implementing, and supporting networks in large-scale datacenter and/or metro environments . Strong understanding of network security principles, firewall technologies, and secure network architecture. Experience supporting high-availability and business-critical network environments. Understanding of Linux and Windows Server operating systems. Experience troubleshooting complex network connectivity, routing, switching, and performance issues. Ability to work independently on complex technical issues and take ownership from investigation through resolution. Strong communication skills with the ability to work effectively with technical teams, customers, vendors, and service providers. Strong analytical and problem-solving skills with a focus on minimizing service disruption. Experience with formal change management and CAB processes. JNCIP or equivalent professional-level networking experience preferred. JNCIE or equivalent expert-level experience is highly desirable. Experience with the following is preferred: VXLAN/EVPN Arista low-latency switching Packet capture and network traffic analysis DWDM and optical networking Network automation Python or other scripting languages Experience supporting financial services, trading, or other low-latency datacenter environments is highly preferred. JOB REQUIREMENTS Should be willing to accept a long-term work-from-home arrangement. Should be amenable to a permanent mid shift schedule.