SR. Network Engineer

About the opportunity

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. Requirements 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. • Strong hands-on 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. • Strong 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. o JNCIP or equivalent professional-level networking experience preferred. o JNCIE or equivalent expert-level experience is highly desirable. o Experience with the following is preferred: o VXLAN/EVPN o Arista low-latency switching o Packet capture and network traffic analysis o DWDM and optical networking o Network automation o Python or other scripting languages • Experience supporting financial services, trading, or other low-latency datacenter environments is highly preferred. CERTIFICATIONS • JNCIP – Juniper Networks Certified Professional or equivalent experience — Preferred • JNCIE – Juniper Networks Certified Internet Expert or equivalent experience — Highly Preferred • Additional networking certifications such as CCNP are advantageous. JOB REQUIREMENTS • Should be willing to accept a long-term work-from-home arrangement. • Should be amenable to a permanent night shift schedule.

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.

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.
• • Strong hands-on 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.