The Role
Designs, implements, maintains, and troubleshoots enterprise and datacenter networks. Manages routing, switching, BGP, Juniper switches and firewalls, network security, high-availability infrastructure, upgrades, migrations, capacity planning, monitoring, incident response, documentation, and change management. Collaborates with customers, vendors, providers, and internal teams while serving as a senior escalation point. Contributes to network automation and operational improvements.
Summary Generated by Built In
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.
Skills Required
- 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
- Strong technical expertise in routing and switching
- Hands-on experience with Juniper EX/QFX switches and SRX firewalls
- Strong understanding and practical experience with BGP
- Experience designing, implementing, and supporting large-scale datacenter or metro networks
- 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 independently investigate and resolve complex technical issues
- Strong communication, analytical, and problem-solving skills
- Experience with formal change management and Change Advisory Board processes
- JNCIP or equivalent professional-level networking experience
- JNCIE or equivalent expert-level networking experience
- Experience with VXLAN/EVPN
- Experience with Arista low-latency switching
- Packet capture and network traffic analysis experience
- DWDM and optical networking experience
- Network automation experience
- Python or other scripting language experience
- Experience supporting financial services, trading, or low-latency datacenter environments
- CCNP or additional networking certifications
- Willingness to accept a long-term work-from-home arrangement
- Willingness to work a permanent night shift
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The Company
What We Do
ScalableOS is an expert offshoring company that connects growth-focused businesses with exceptional global talent, providing tailored offshore staffing solutions to enhance business efficiency and drive growth.
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