Senior Network Engineer

247Hire; Alpharetta (GA); On-site; USD 120,000 - 180,000; Full time

Job summary

247Hire is seeking a highly skilled Senior Network Engineer to join the Enterprise Network Services team. You will deploy and support critical network infrastructure across internal enterprise environments and external customer-facing platforms.

The role focuses on planning and executing secure patch rollouts in uptime-sensitive, regulated environments, with deep expertise in routing, switching, data center networking, internet connectivity, security, and change management.

Qualifications

• 5+ years of enterprise network engineering experience.
• Strong hands-on expertise in routing and switching, with in-depth knowledge of protocols such as BGP, OSPF, multicast, STP, HSRP
• Hands-on experience in TCP/IP analysis, including packet-level troubleshooting using Wireshark or tcpdump.
• Understanding of leaf-Spine Architectures across Cisco and Arista Platforms
• Experience in executing critical security patching and production network upgrades in large-scale environments.
• Strong experience supporting both internal infrastructure and internet-facing production services.
• Demonstrated ability to perform complex maintenance and migration activities during scheduled change windows.
• Strong understanding of network resiliency, high availability, and disaster recovery principles

Responsibilities

• Provide L1/L2 teams with escalation support for day-to-day operational issues and network-related incidents, ensuring timely troubleshooting and resolution.
• Provide weekend technical and escalation support for network break-fix activities and planned maintenance, helping mitigate operational risk and maintain infrastructure stability.
• Implement, and support enterprise-scale network infrastructure across data centers, cloud, campus and branch environments.
• Provide Tier-3 support and technical lead during major incidents and escalations.
• Coordinate maintenance windows, rollback plans, validation testing, and post-implementation reviews.
• Coordinate end-to-end remediation activities including maintenance windows and pre/post validations across multiple stakeholders, including business application owners, multiple infrastructure teams (Unix, Load Balancer, Firewall etc), security teams, and all relevant third-party vendors (Cisco/Arista etc).
• Monitor network performance and proactively identify risks before they impact production.
• Ensure compliance with security, audit, and regulatory requirements through timely remediation of vulnerabilities.

Skills

Enterprise networking

Routing & Switching

BGP/OSPF

TCP/IP analysis

Wireshark/tcpdump

Leaf-Spine

Security patching

Production upgrades

Change management

Disaster recovery

High availability

CCNP/CCIE

Python scripting

Ansible automation

Job description

We are seeking a highly skilled and hands-on Senior Network Engineer to join our Enterprise Network Services team. This role is responsible for deploying and supporting critical network infrastructure across both internal enterprise environments and external customer-facing platforms.

The ideal candidate will have extensive experience planning and executing critical network security and infrastructure patch rollouts in fast-paced, highly regulated, and uptime-sensitive environments. The role requires deep expertise in routing, switching, data center networking, internet connectivity, network security, and production change management.

The successful candidate will demonstrate a strong track record of executing complex infrastructure changes with minimal risk, maintaining network resiliency, and supporting business-critical services operating in 24x7 global environments.

Responsibilities

• Provide L1/L2 teams with escalation support for day-to-day operational issues and network-related incidents, ensuring timely troubleshooting and resolution.
• Provide weekend technical and escalation support for network break-fix activities and planned maintenance, helping mitigate operational risk and maintain infrastructure stability.
• Implement, and support enterprise-scale network infrastructure across data centers, cloud, campus and branch environments.
• Provide Tier-3 support and technical lead during major incidents and escalations.
• Coordinate maintenance windows, rollback plans, validation testing, and post-implementation reviews.
• Coordinate end-to-end remediation activities including maintenance windows and pre/post validations across multiple stakeholders, including business application owners, multiple infrastructure teams (Unix, Load Balancer, Firewall etc), security teams, and all relevant third-party vendors (Cisco/Arista etc).
• Monitor network performance and proactively identify risks before they impact production.
• Ensure compliance with security, audit, and regulatory requirements through timely remediation of vulnerabilities.

Required Skills

• 5+ years of enterprise network engineering experience.
• Strong hands-on expertise in routing and switching, with in-depth knowledge of protocols such as BGP, OSPF, multicast, STP, HSRP
• Hands-on experience in TCP/IP analysis, including packet-level troubleshooting using Wireshark or tcpdump.
• Understanding of leaf-Spine Architectures across Cisco and Arista Platforms
• Experience in executing critical security patching and production network upgrades in large-scale environments.
• Strong experience supporting both internal infrastructure and internet-facing production services.
• Demonstrated ability to perform complex maintenance and migration activities during scheduled change windows.
• Strong understanding of network resiliency, high availability, and disaster recovery principles

Preferred Skills

• CCNP, CCIE, or equivalent industry.
• Experience with Python scripting and Ansible automation.
• Financial services domain knowledge is a plus

Required Skills

• 5+ years of enterprise network engineering experience.
• Strong hands-on expertise in routing and switching, with in-depth knowledge of protocols such as BGP, OSPF, multicast, STP, HSRP
• Hands-on experience in TCP/IP analysis, including packet-level troubleshooting using Wireshark or tcpdump.
• Understanding of leaf-Spine Architectures across Cisco and Arista Platforms
• Experience in executing critical security patching and production network upgrades in large-scale environments.
• Strong experience supporting both internal infrastructure and internet-facing production services.
• Demonstrated ability to perform complex maintenance and migration activities during scheduled change windows.
• Strong understanding of network resiliency, high availability, and disaster recovery principles