Senior Network Engineer, Network Operations

Five9 is a leading provider of cloud contact center software, committed to enhancing customer experience. They are seeking a highly motivated technical leader to guide the Network Engineering and Operations team in delivering scalable, automated, and cloud-ready networking solutions while fostering a culture of continuous improvement.

Responsibilities:

• 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:

• 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
• 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
• Bachelor's degree in computer science or a related technical field preferred, or equivalent practical experience
• Experience managing and operating public cloud networking environments; Google Cloud Platform (GCP) and AWS experience preferred