JOBSEARCHER

Senior Network Engineer, Network Operations

Five9New York, NYMay 23rd, 2026
Senior Network Engineer, Network Operations Join the role of Senior Network Engineer, Network Operations at Five9. We bring joy to customer experience as a leading provider of cloud contact center software, delivering cloud innovation worldwide. Living our values every day results in a team-first culture that fosters innovation, growth, and shared success. We celebrate diversity and create an inclusive environment where employees can be their authentic selves. Key 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 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 Work Location: This role is fully remote for candidates who reside outside a 50-mile radius of our San Ramon office. For candidates who reside within 50 miles of our San Ramon location, this role is hybrid and would require 3 days a week (Mon, Wed, Thu) in our San Ramon office. Compensation: US base salary range $104,000—$289,300 USD. Total compensation may also include an annual performance bonus, stock, and other incentive plans. 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. We also offer Short & Long-Term Disability, Basic Life Insurance, and a 401(k) 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. Our salary range for this role is $104,000—$289,300 USD. Five9 embraces diversity and is committed to building a team that represents a variety of backgrounds, perspectives, and skills. 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. Referrals increase your chances of interviewing at Five9 by 2x. Get notified about new Senior Network Engineer jobs in the United States. J-18808-Ljbffr