JOBSEARCHER

Network Engineer

Five9Denver, COL5 SeniorAugust 14th, 2026
Join us in bringing joy to customer experience. Five9 is a leading provider of cloud contact center software, bringing the power of cloud innovation to customers worldwide.Living our values everyday results in our team-first culture and enables us to innovate, grow, and thrive while enjoying the journey together. We celebrate diversity and foster an inclusive environment, empowering our employees to be their authentic selves.To complement our rapid growth, we are actively sourcing for a Network Engineer to operate in a 24/7 Software-as-a-Service (SaaS) environment maintaining IP Networking components in a production setting.In this role you will:Participate in projects for new Network Product offerings and Network Operation improvementsIntegrate business partners and acquisitions into a supportable designReview and analyze history of network related incidents and perform preventive measures Troubleshoot network related issues and communicate with customersAssist in managing network service providers and equipmentProvide capacity analysis and planningAssist customers and field personnel in network activations for customersKey ResponsibilitiesInitiate multiple projects for new Network Product offerings for customers and Network Operation improvementsPartner closely with Network Architects and Engineers to improve WAN network connectivityPartner with internal business units to best understand the organization's needs and continuously improve and apply standards for operational excellenceReview, analyze and execute network change requestsOccasionally interact with external customers to ensure smooth network activations and to troubleshoot any network connectivity related issuesRequirements: 3-5 years of experience in Medium to large networks, IP Routing, Switching, and Security principlesDemonstrate knowledge of platform operating systems (router platforms, LAN, WAN, and router protocols) MPLS, OSPF, and BGP, and how they interact with the networkDemonstrate knowledge of real-time traffic queuing and prioritizing on LAN and WAN networksDemonstrated operational success with an exceptionally strong data-driven analytical approach towards solving complex challengesExperience with implementations of solutions involving large data centers, inter-business routing plans, site2site IPSEC VPNs, FWs and MPLS VPNsHands-on skills for Cisco IOS-XE is required and Cisco IOS-XR and Nexus OS preferred, connect lab equipment, proof of concept; Documenting solutions with diagrams and proper description is requiredKnowledge and experience in Cisco Nexus 7k, ASR 1000 and 9000 Routers, SSL-VPNExcellent communications, both oral and writtenPreferred Qualifications:Telecommunications experience - VoIP, RTP, SIP peering/trunking and SBC is a huge plusExperience with incident response, information assurance, computer security best practices, system hardening, vulnerability management, antivirus, SIEM, firewalls, IPS/IDS monitoring, and techniques for analyzing TCP/IP network traffic and event logsKnowledge of Linux network functions; Saas/Cloud-based software environment a plusKnowledge and experience in Cisco ACIKnowledge on AWS and GCP Cloud platformsWork Location: This role is fully remote for candidates who reside outside the 30 mile radius of one of our offices. For candidates who reside within a 30 mile radius of one of our offices, this role is Hybrid and would require 3 days a week (T, W, TH) in office.As part of our continued commitment to diversity, equity, and inclusion, Five9 supports pay transparency during the entire recruitment process. Actual compensation packages are based on several factors that are unique to each candidate including, but not limited to: skill set, depth of experience, certifications, and specific work location. The range displayed reflects the minimum and maximum target for new hire salaries for the job across the United States. Your recruiter can share more about the specific compensation package during your hiring process.Additionally, the total compensation package for this position may also include an annual performance bonus, stock, and/or other applicable incentive compensation plans.Our total reward package also includes:Health, dental, and vision coverage, beginning on the first day of employment. Five9 covers 100% of the employee portion of the health, dental and vision coverage and shares a high portion of the dependent cost. We also offer Short & Long-Term Disability, Basic Life Insurance, and a 401k saving plan with employer matchingAccess to an innovative mental health support platform that offers personalized care and resources in areas such as: therapy, coaching and self-guided mindfulness exercises for all covered employees and their covered dependentsGenerous employee stock purchase planPaid Time Off, Company paid holidays, paid volunteer hours and 12 weeks paid parental leaveAll compensation and benefits are subject to the requirements and restrictions set forth in the applicable plan documents and any written agreements between the parties.The US base salary range for this role is below.$82,600—$230,800 USDFive9 embraces diversity and is committed to building a team that represents a variety of backgrounds, perspectives, and skills.  The more inclusive we are, the better we are.  Five9 is an equal opportunity employer.View our privacy policy, including our privacy notice to California residents here: https://www.five9.com/pt-pt/legal.Note: Five9 will never request that an applicant send money as a prerequisite for commencing employment with Five9.