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.

• 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.

• 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.

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 mid/night shift schedule.