What are the responsibilities and job description for the Sr. Network Engineer position at Peyton Resource Group?
Must be US Citizen or Green Card Holder
Level 3 Network Engineer (Senior)
We are seeking a highly skilled Level 3 Network Engineer to lead the design, implementation, and optimization of our enterprise network. This role serves as the top escalation point for complex issues and plays a key role in network architecture, performance, and security.
Key Responsibilities
- Act as Tier 3 escalation for complex network incidents; perform root cause analysis using packet capture and advanced diagnostics
- Design, implement, and optimize enterprise network infrastructure (routers, switches, VPNs, firewalls)
- Monitor performance, troubleshoot issues, and ensure high availability across systems
- Configure and maintain network hardware/software, including upgrades and security controls
- Develop and enforce firewall rules and security best practices
- Support disaster recovery planning and execution
- Lead network improvement initiatives and support new deployments
- Mentor junior engineers and collaborate across teams
- Participate in on-call rotation and provide occasional onsite support
Qualifications
- 8–10 years of enterprise networking experience
- Expertise in BGP, OSPF, VXLAN, EVPN, MPLS, and core protocols (EIGRP, HSRP, VRRP, DNS, DHCP)
- Strong experience with Cisco networking (IOS, NX-OS) and firewalls
- Solid understanding of OSI model and advanced troubleshooting methodologies
- Experience with SD-WAN and data center environments
- Proven ability to lead projects and mentor junior staff
- Strong communication skills with both technical and non-technical stakeholders
Preferred
- Experience with Cisco ACI and network segmentation
- Experience with F5 load balancers