Network Engineer

five9; United States; Remote; USD 110,000 - 150,000; Full time

Benefits offered by this job

Health, dental, and vision

Disability insurance

401(k) with employer match

Mental health support platform

Stock purchase plan

Paid time off

Company holidays

Paid volunteer hours

Parental leave

Annual bonus

Job summary

Five9 is seeking a Network Engineer to maintain IP networking components in a 24/7 SaaS production environment. You will support new network product offerings, integrate partners and acquisitions into scalable designs, and collaborate with network architects to improve WAN connectivity.

You will join a team that handles incident prevention, change management, and customer activations, with emphasis on data-driven analysis, strong communication, and adherence to standards for operational

Qualifications

• 3+ years of experience in medium-to-large networks covering IP routing, switching, and security principles.
• Working knowledge of MPLS, OSPF, BGP, and LAN/WAN router platforms.
• Understanding of real-time traffic queuing and prioritization on LAN and WAN networks.
• Hands-on experience with Cisco IOS-XE (IOS-XR and Nexus OS preferred), Cisco Nexus 7k, ASR 1000 and 9000 routers, and SSL-VPN.

Responsibilities

• Participate in projects introducing new network product offerings and operational improvements.
• Integrate business partners and acquisitions into a supportable network design.
• Review and analyze the history of network-related incidents and implement preventive measures.
• Troubleshoot network issues and communicate status to customers and internal stakeholders.
• Assist in managing network service providers and equipment lifecycle.
• Provide capacity analysis and planning, and review, analyze, and execute network change requests.
• Support customer network activations and partner with internal business units to apply standards for operational excellence.

Skills

IP routing

LAN/WAN switching

Network security

MPLS

OSPF

BGP

SSL-VPN

Cisco IOS-XE

Tools

Cisco IOS-XE

IOS-XR

Nexus OS

ASR 1000/9000

Job description

Role overview

A Network Engineer role maintaining IP networking components in a 24/7 software-as-a-service (SaaS) production environment. The position supports new network product offerings, integrates business partners and acquisitions into a supportable design, and partners closely with network architects to improve WAN connectivity.

Responsibilities

• Participate in projects introducing new network product offerings and operational improvements.
• Integrate business partners and acquisitions into a supportable network design.
• Review and analyze the history of network-related incidents and implement preventive measures.
• Troubleshoot network issues and communicate status to customers and internal stakeholders.
• Assist in managing network service providers and equipment lifecycle.
• Provide capacity analysis and planning, and review, analyze, and execute network change requests.
• Support customer network activations and partner with internal business units to apply standards for operational excellence.

Requirements

• 3+ years of experience in medium-to-large networks covering IP routing, switching, and security principles.
• Working knowledge of MPLS, OSPF, BGP, and LAN/WAN router platforms.
• Understanding of real-time traffic queuing and prioritization on LAN and WAN networks.
• Hands-on experience with Cisco IOS-XE (IOS-XR and Nexus OS preferred), Cisco Nexus 7k, ASR 1000 and 9000 routers, and SSL-VPN.
• Experience with large data center implementations, inter-business routing plans, site-to-site IPSEC VPNs, firewalls, and MPLS VPNs.
• Strong data-driven analytical approach and excellent oral and written communication skills.

Nice to have

• Telecommunications experience including VoIP, RTP, SIP peering/trunking, and SBC.
• Background in incident response, information assurance, vulnerability management, SIEM, IPS/IDS, and TCP/IP traffic analysis.
• Linux networking knowledge, SaaS/cloud environment experience, Cisco ACI familiarity, and AWS or GCP exposure.

Benefits and work setup

• Fully remote for candidates outside a 30-mile office radius; hybrid (3 days in office) for those within radius.
• Health, dental, and vision coverage from day one, short- and long-term disability, basic life insurance, and 401(k) with employer match.
• Mental health support platform, employee stock purchase plan, paid time off, company holidays, paid volunteer hours, and 12 weeks paid parental leave.
• Annual performance bonus and stock or incentive compensation eligibility.