Senior Network Engineer

Business Knowledge Services; Massachusetts; On-site; USD 120,000 - 180,000; Full time

Job summary

Business Knowledge Services in Massachusetts seeks a senior network engineer to design, implement, and support complex Cisco enterprise networks, including routing, switching, SD-WAN, data centers, and security. You will lead architecture decisions and drive modernization initiatives.

The role requires 10+ years of enterprise Cisco experience, deep knowledge of IOS/NX-OS, BGP, OSPF, QoS, and large-scale migrations.

Qualifications

• 10+ years of enterprise Cisco experience
• Expert knowledge of Cisco devices and design
• Strong troubleshooting and leadership skills

Responsibilities

• Design and implement Cisco network solutions using IOS/NX-OS
• Lead migrations, SD-WAN deployments, and data center projects
• Troubleshoot Tier 3/4 issues and perform root-cause analysis
• Develop architecture diagrams, docs and implementation plans
• Collaborate with infrastructure, security, application, and business teams while mentoring network engineers

Skills

Cisco routing

Cisco switching

SD-WAN

Data center

Network security

Troubleshooting

Tools

IOS

NX-OS

Catalyst

Nexus

BGP

OSPF

QoS

VPN

Job description

We are not able to sponsor for this position, as there are US Government components to the role

Candidate will be responsible for designing, implementing, and supporting complex Cisco enterprise network environments. Lead network architecture, infrastructure modernization, migrations, and systems integration initiatives. Provide advanced expertise across Cisco routing, switching, SD-WAN, data center, security, and WAN technologies. Ensure highly available, secure, scalable, and high-performing network infrastructure. Serve as a technical leader for complex network projects, troubleshooting, and enterprise-wide initiatives.

Responsibilities

• Design and implement Cisco network solutions utilizing IOS, NX-OS, Catalyst, Nexus, BGP, OSPF, VLANs, QoS, VPN, and related technologies
• Lead Cisco network migrations, upgrades, SD-WAN deployments, data center implementations, and integration of acquired or disparate environments
• Troubleshoot complex Tier 3/4 network issues and perform detailed root-cause analysis to ensure network availability and performance
• Develop network architecture, standards, diagrams, documentation, implementation plans, and technical procedures
• Collaborate with infrastructure, security, application, and business teams while providing technical leadership and mentoring to network engineering teams

Requirements

• 10+ years of experience in network engineering and architecture, with strong enterprise Cisco experience
• Expert knowledge of Cisco routers, switches, IOS/NX-OS, Catalyst, Nexus, BGP, OSPF, and enterprise network design
• Experience with Cisco SD-WAN, data center networking, firewalls, VPNs, QoS, and large-scale network migrations
• Strong understanding of TCP/IP, VLANs, 802.1Q, LACP, NAT, VoIP/SIP, and network security principles
• Excellent troubleshooting, analytical, communication, documentation, and technical leadership skills