Five9

Senior Network Engineer, Network Operations

Five9

full-time

Posted on:

Location Type: Hybrid

Location: 🇺🇸 United States

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Salary

💰 $104,000 - $289,300 per year

Job Level

Senior

Tech Stack

AnsibleAWSCloudGoogle Cloud PlatformGrafanaKubernetesOpenStackPrometheusSwitchingTerraform

About the role

  • Partner with cross-functional stakeholders to design and deliver next-generation data center fabric architectures, leveraging technologies such as VXLAN, Cisco Nexus Dashboard, Kubernetes, and AI/ML-enabled networking.
  • Provide technical leadership and mentorship to a team of engineers, strengthening troubleshooting capabilities, operational rigor, and adoption of network engineering best practices.
  • Drive automation strategy and execution using Ansible, Terraform, and CI/CD pipelines, including the design, deployment, and continuous improvement of automation for high-impact operational and reliability use cases.
  • Own and support all operational aspects of network security infrastructure, including operating system maintenance, vulnerability management, capacity planning, lifecycle management, and certificate administration.
  • Track and manage projects, processes, and technology initiatives across the team, ensuring alignment, visibility, and timely execution.
  • Analyze historical network incidents to identify systemic issues, perform root cause analysis, and implement automated remediation to prevent recurrence.
  • Lead the review, analysis, and execution of network change requests within the data center fabric domain, ensuring adherence to change management and risk mitigation standards.
  • Develop and report operational and performance metrics using observability platforms such as Prometheus, Grafana, and ELK to drive data-informed decisions.
  • Manage and operate data center fabric services across hybrid and multi-cloud environments, including on-premises infrastructure, Google Cloud Platform (GCP), and Amazon Web Services (AWS).
  • Participate in incident response activities, providing technical leadership during outages and leading post-incident root cause analysis and corrective action planning.
  • Foster a culture of continuous improvement by enabling team members to proactively enhance processes, tooling, and operational maturity.
  • Lead the introduction of new processes and automation capabilities that improve scalability, reliability, and operational efficiency.
  • Maintain strong operational focus on data center fabric technologies while coordinating cross-team efforts with network security and load balancing functions to ensure end-to-end service reliability.

Requirements

  • Bachelor's degree in computer science or a related technical field preferred, or equivalent practical experience.
  • Proven technical expertise in fast-paced, dynamic, production environments supporting mission-critical infrastructure.
  • Extensive hands-on experience and advanced troubleshooting capabilities with data center fabric and software-defined networking (SDN) technologies, including VXLAN, NX-OS, OpenStack Neutron, Calico (Kubernetes), and enterprise routing and switching.
  • 8+ years of experience in technology roles, including 3+ years serving as a technical subject matter expert.
  • Strong understanding of, with hands-on experience with dynamic routing protocols, particularly BGP.
  • Demonstrated experience developing root cause analyses and implementing error prevention and corrective action procedures.
  • Experience defining, measuring, and reporting site reliability using SLI/SLO metrics.
  • Proven experience designing, implementing, or operating large-scale data centers and complex infrastructure environments.
  • Hands-on knowledge and operational experience with Cisco Nexus, F5, and Palo Alto platforms.
  • Experience managing and operating public cloud networking environments; Google Cloud Platform (GCP) and AWS experience preferred.
  • Strong experience with incident response, change management, and operational governance practices.
  • Demonstrated project management skills with the ability to manage multiple initiatives in parallel.
  • Excellent communication skills, with the ability to clearly represent technical domains and team outcomes to senior leadership.
  • Proven experience automating infrastructure processes and deployments.
  • Demonstrated ability to drive and scale a culture of automation across engineering and operations teams.
Benefits
  • 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.
  • Short & Long-Term Disability.
  • Basic Life Insurance.
  • 401k saving plan with employer matching.
  • Access 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 dependents.
  • Generous employee stock purchase plan.
  • Paid Time Off, Company paid holidays, paid volunteer hours and 12 weeks paid parental leave.

Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard skills
VXLANCisco NexusKubernetesAnsibleTerraformCI/CDBGPSDNroot cause analysissite reliability
Soft skills
technical leadershipmentorshiptroubleshootingproject managementcommunicationcontinuous improvementoperational rigorcollaborationprocess enhancementincident response