Job Description

Senior Network Engineer (Cisco / Enterprise)

Pay Range: $75/hour to $81/hour

Overview

We are seeking a highly experienced Senior Network Engineer to support, design, and secure large-scale enterprise network environments. This role is hands-on and strategic, requiring deep expertise in Cisco networking, security architecture, and full lifecycle network implementations. Candidates must have extensive experience working in complex enterprise environments with 5,000–15,000+ network nodes .

Responsibilities

• Design, architect, and provide engineering support for enterprise network and systems infrastructure
• Develop and implement network standards, policies, and procedures
• Serve as a technical mentor for Network Engineers and provide team leadership
• Perform maintenance, upgrades, and lifecycle management of:
• Routers, switches, firewalls
• Remote access systems
• Network management and monitoring systems
• Monitor network connectivity and ensure high-quality, reliable data transmission
• Provide technical support across LAN, WAN, MAN, wireless, security, and cloud-based networks
• Manage day-to-day network operations and ensure adherence to enterprise SLAs
• Evaluate new applications and technologies for impact on existing infrastructure and security posture
• Coordinate and support network vulnerability assessments and penetration testing efforts
• Implement remediation strategies and threat mitigation solutions
• Collaborate with project managers, IT teams, vendors, contractors, and consultants
• Participate in security policy creation, reviews, and compliance initiatives
• Design, implement, and maintain perimeter and internal network security systems
• Own and secure enterprise data networks, including:
• Network perimeter
• Remote access
• WAN
• Data centers
• Wired and wireless environments
• Identify, troubleshoot, and resolve complex network hardware and software issues
• Promote governance, compliance, scalability, performance, and reliability across the network infrastructure

Required Qualifications

• 10+ years of experience as a Senior Network Engineer in large enterprise environments
• Proven hands-on experience with Cisco SDA and TrustSec (full lifecycle implementation experience strongly preferred)
• Extensive experience supporting enterprise networks with 5,000–15,000+ nodes
• 10+ years of hands-on configuration and support of Cisco routers, switches, and related infrastructure
• Experience in complex, multi-platform, multi-protocol network environments
• Strong background in planning, designing, and documenting Cisco-based enterprise networks
• Expertise in:
• LAN, WAN, MAN, Metro Ethernet
• Routing, topology, QoS, multicast, and network protocols
• MPLS, NAC, VPN, remote access solutions
• Firewalls, IDS/IPS, security devices, NAT/PAT
• ACS, Adaptive Authentication, SecurID
• RADIUS / LDAP / TACACS
• Wireless networking
• Packet-level network traffic analysis expertise
• Experience with network monitoring, analysis, and management tools
• Strong project management, leadership, and interpersonal skills
• Ability to work independently while mentoring and leading other engineers

Preferred:

• Healthcare industry experience

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