• Providing network operations and support for Varian’s cloud solutions • Private, public and hybrid infrastructure, network and security • Assisting with upgrading, installing, and configuring various cloud solutions including monitoring, application access, security, Palo Alto Networks (Highly Recommended), Citrix NetScaler, Citrix ADC • Assisting with reporting on current infrastructure status, and planning for future usage • Configuring and supporting backbone connections over ExpressRoute (Azure), and direct connection and VPN architecture • Maintaining allocation of IP CIDR block, perform maintenance involving modification of network, subnets, vlans, routes etc • Verifying and action on events aggregated from network monitoring tools and Web Application Firewall using Varian approved tools • Troubleshooting and determining root cause of issues • Collaborating to quickly resolve any network related outages and resolve customer impacting issues quickly • Contributing to the successful execution of projects • Creating, updating, and completing documentation • Investigate root cause analysis of incidents with follow up reporting and final content generation • Collaborating with network engineers on procedures, techniques, tips & knowledge to improve operations, security and work performed • Providing the highest level of customer service • Advance understanding of vendor and telco/exchange/service providers support escalation paths and being able to escalate support requests to these vendors in a typically urgent and timely fashion • Appling network system updates, patches, configuration changes • Planning network layouts and configures systems to user environments • Serving as a technical mentor to colleagues as necessary • Staying up to date with assigned Learning Management System courses • Maintaining a strong knowledge of Varian’s suite of applications • Eagerness to provide the highest level of customer service • On call support as required

This description is a summary of our understanding of the job description. Click on 'Apply' button to find out more. Role Description 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 every day 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. We 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. - 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. Qualifications - 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. Requirements - Work Location: This role is fully remote for candidates who reside outside the 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 (M, W, TH) in our San Ramon office. 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, and a 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. - All compensation and benefits are subject to the requirements and restrictions set forth in the applicable plan documents and any written agreements between the parties.

• Feasibility studies and design of network & security architectures • Cost estimation and support for business requirements • Technical implementation of solutions • Writing and updating architecture documentation • Tier 3 (L3) support and management of major incidents • Contribution to the evolution of service offerings • Assist teams in implementing security and risk management solutions.

• Participate on project teams for large IT infrastructure initiatives and periodically take a project lead role • Define and perform lifecycle maintenance plans for production software and related equipment • Act as a customer liaison for day-to-day support activities • Participate in planned monthly IT maintenance events (ex, patching) • Work with Project Managers to develop project scopes, estimates, milestones, and timelines • Act as technical escalation point for complex support issues • Provide daily administration and oversight of enterprise network equipment • Proactively identify, analyze, and resolve network problems, performance issues, and network circuit performance • Act as a technical consultant on projects assigned • Research, identify, and evaluate new products, equipment, and services to support IT efficiency and business growth • Interact and coordinate with vendors, suppliers, distributors, and contract consultants • Provide technical assistance and mentoring to team members to increase skill set and understanding • Maintain a good working knowledge of the current industry standard for router, switch, and firewall configurations and settings • Manage network cloud environments in accordance with company security guidelines