{"id":3366499,"url":"https://alion.io/job/five9-network-engineer-ii-operations","title":"Network Engineer II – Operations","company":{"id":58571,"name":"Five9","domain":"five9.com","url":"https://alion.io/company/five9","size_band":"51-200","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Greenhouse","truth_index":{"grade":"B","score":79,"open_postings":73,"ghost_share":0.26,"stale_share":0,"repost_share":0,"time_to_fill_p50_days":76,"computed_at":"2026-11-03T05:54:40Z"}},"role":"Networking","role_family":"Networking","seniority":"middle","employment_type":null,"work_mode":"hybrid","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Manila, Philippines"],"countries":["PH"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":null,"experience_years_min":5,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Ansible","optional":false},{"name":"AWS","optional":false},{"name":"BGP","optional":false},{"name":"Calico","optional":false},{"name":"CI/CD","optional":false},{"name":"GCP","optional":false},{"name":"Grafana","optional":false},{"name":"Kubernetes","optional":false},{"name":"Linux","optional":false},{"name":"MPLS","optional":false},{"name":"OpenStack","optional":false},{"name":"OSPF","optional":false},{"name":"Prometheus","optional":false},{"name":"Python","optional":false},{"name":"SLI/SLO/SLA","optional":false},{"name":"Terraform","optional":false},{"name":"VPN","optional":false}],"status":"live","first_seen_at":"2026-10-27T22:26:06Z","employer_posted_date":"2026-10-27","last_verified_at":"2026-11-04T06:24:44Z","board_verified":true,"closed_at":null,"days_open":7,"trust":{"level":"ok","repost_count":0,"flags":["company_stale"],"days_open":7},"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. \nLiving 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. \nNetwork Engineer II - Operations\nAbout Five9\nFive9 is a leading provider of cloud software for the enterprise contact center market, bringing the power of the cloud to thousands of customers and facilitating more than three billion customer interactions annually. Since 2001, Five9 has led the cloud revolution in contact centers, helping organizations transition from legacy premise-based solutions to the cloud. Five9 provides businesses with cloud contact center software that is reliable, secure, compliant, and scalable - designed to create exceptional customer experiences, increase agent productivity, and deliver tangible business results.\nThe Role\nTo complement our rapid growth, we are sourcing a Network Engineer II to operate in a 24/7 Software-as-a-Service (SaaS) environment, taking ownership of complex LAN infrastructure initiatives and driving operational excellence across Cisco Nexus, Palo Alto, and F5 platforms. You will lead projects, own end-to-end troubleshooting, drive automation strategy, and provide technical leadership during incidents - while mentoring junior engineers and representing the network domain to senior stakeholders.\nTroubleshooting & Incident Response\nOwn end-to-end troubleshooting of complex LAN connectivity, firewall policy, and load balancer issues, and drive resolution with customers and internal teams.\nConduct in-depth analysis of network incidents, identify root causes, and implement preventive measures to reduce repeat occurrences.\nLead and coordinate responses to network and security incidents, ensuring timely resolution and minimizing potential impacts.\nParticipate in on-call rotation following the Sun Model schedule; provide technical leadership during outages and lead post-incident root cause analysis and corrective action planning.\nLead the review, analysis, and execution of network change requests within the data-center fabric domain, ensuring adherence to change management and risk-mitigation standards.\nProjects & Architecture\nLead and drive LAN infrastructure projects involving Cisco Nexus switching, Palo Alto firewalls, F5 load balancers, and NDFC fabric management.\nPartner with cross-functional stakeholders to design and deliver next-generation data-center fabric architectures, leveraging VXLAN, Cisco Nexus Dashboard, Kubernetes networking (Calico), and AI/ML-enabled networking.\nManage and operate data-center fabric services across hybrid and multi-cloud environments - on-premises Cisco Nexus infrastructure, GCP, and AWS.\nPerform traffic engineering and capacity planning to guide long-term infrastructure investments.\nDevelop and maintain technical roadmaps, architecture standards, and configuration policies for LAN, firewall, and load balancer environments.\nManage and maintain existing network infrastructure (Nexus, Palo Alto, F5), ensuring reliability, performance, and equipment lifecycle planning.\nMonitoring & Observability\nDevelop and report operational and performance metrics using observability platforms including Prometheus, Grafana, and SolarWinds.\nDefine, measure, and report site reliability using SLI/SLO\nMaintain operational focus on the data-center fabric while coordinating cross-team efforts with network security and load balancing functions to ensure end-to-end service reliability.\nAnalyze historical network incidents to identify systemic issues and inform preventive engineering.\nAutomation\nDrive automation strategy and execution using Ansible, Terraform, Python, and CI/CD pipelines for provisioning, configuration, and monitoring.\nImplement automated remediation to prevent recurrence of known issues.\nDemonstrate and scale a culture of automation across engineering and operations teams.\nTrack and manage projects, processes, and technology initiatives across the team, ensuring alignment, visibility, and timely execution.\nMaintain runbooks, topology diagrams, and SOPs.\nSecurity\nManage overall network security including routing policies, Palo Alto firewall rules, and access controls to protect infrastructure.\nOwn all operational aspects of network security infrastructure - OS maintenance, vulnerability management, capacity planning, lifecycle management, and certificate administration.\nRequirements\nBachelor's degree in computer science or a related technical field preferred, or equivalent practical experience.\nMinimum 5 years of experience in medium-to-large networks, IP routing, switching, and security principles in a production SaaS or enterprise environment, including experience as a technical subject matter expert.\nDeep hands-on expertise with Palo Alto firewalls - security policy design, Panorama management, Global Protect VPN, and threat prevention.\nAdvanced experience with F5 BIG-IP - LTM, GTM, iRules, SSL offloading, and application delivery configurations.\nExpert-level knowledge of Cisco Nexus 9k/7k/5k/2k, NX-OS, and NDFC, including VXLAN/EVPN fabric deployments.\nExtensive hands-on experience with software-defined networking (SDN) - OpenStack Neutron and Calico (Kubernetes).\nHands-on skills with Cisco IOS required; Nexus OS and NDFC expertise required.\nProven experience automating infrastructure processes and deployments using Ansible, Terraform, Python, and CI/CD pipelines, with demonstrated ability to drive and scale a culture of automation.\nDemonstrated expertise in LAN protocols and technologies - VXLAN, EVPN, OSPF, BGP, MPLS, and STP/RSTP - with strong hands-on experience with dynamic routing protocols, particularly BGP in data-center fabric environments.\nExperience implementing solutions involving large data centers, inter-business routing plans, site-to-site IPSec VPNs, firewalls, and MPLS VPNs.\nStrong experience with network monitoring and observability tools - SolarWinds, Prometheus, Grafana, NetFlow, SNMP, and packet brokers.\nDemonstrated experience with incident response, root cause analysis, change management, and operational governance; experience defining, measuring, and reporting reliability using SLI/SLO metrics.\nKnowledge of Linux network functions and SaaS/cloud-based environments.\nKnowledge of AWS and GCP cloud platforms, including cloud networking concepts such as VPCs, security groups, transit gateways, and cloud-based load balancing.\nProven ability to mentor engineers, lead technical projects independently, and manage multiple initiatives in parallel, with demonstrated project management skills.\nExcellent communication skills, both oral and written; ability to clearly represent technical domains and team outcomes to senior leadership and non-technical stakeholders.\nNice to Have\nTelecommunications technologies - VoIP, RTP, SIP peering/trunking, and SBC.\nWork Location: This role is fully remote for candidates who reside outside a driving distance of 20-kilometers of our office. Candidates who reside within 20-kilometers driving distance of our office would be required to work in-office 2 days a week. \nWork Location: This role is hybrid and requires 2 days a week in office.\nCompany Benefits\nCompany stocks\nAnnual merit increase based on performance\n15% night shift differential pay\nPaid Leave with Cash Conversion\nHMO with free dependents\nRetirement Plan\nLife Insurance\nWhile on work from home setup: Internet and meal allowance are provided\nEmployee Assistance Program for mental and social well-being\nGovernment-mandated Benefits (SSS, PhilHealth, PagIBIG, 13th month pay, Solo parent leave, Special leave for women)\nFive9 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.\nOur headquarters are located in the beautiful Bishop Ranch Business Park in San Ramon, CA.\nFive9 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. \nFive9 is committed to providing reasonable accommodations for qualified individuals with disabilities throughout the application and interview process. If you need assistance or an accommodation due to a disability, please contact us at  to request an accommodation. Requests will be handled confidentially and in accordance with applicable law.\nView our privacy policy, including our privacy notice to California residents here: https://www.five9.com/pt-pt/legal. \nNote: Five9 will never request that an applicant send money as a prerequisite for commencing employment with Five9.","description_format":"text","description_chars":8990,"description_truncated":false,"requirements":{"experience_years_min":5,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":{"level":"bachelor","optional":false},"security_clearance":false,"languages":[]},"benefits":["Life insurance","Retirement plans"],"hiring_locations":[{"name":"Philippines","iso":"PH","kind":"country"}],"hiring_excludes":[],"relocation_offered":false,"industries":["Conversational AI","AI Agents","Contact Center Software"],"lifecycle":[{"event":"open","at":"2026-10-27T23:21:27Z"}],"visa":[],"liveness":{"score":90,"band":"hot","label":"Hiring now","p_open":1,"p_active":0.903,"p_room":1,"age_days":6,"expected_fill_days":76,"reasons":["conf:0","velocity","win:early"],"computed_at":"2026-11-03T05:54:40Z"},"pay":null,"html_url":"https://alion.io/job/five9-network-engineer-ii-operations","json_url":"https://alion.io/job/five9-network-engineer-ii-operations.json","meta":{"generated_at":"2026-11-04T06:34:37Z","cache_seconds":300,"methodology":"https://alion.io/methodology","terms":"https://alion.io/terms","contact":"https://alion.io/contact","api":"https://alion.io/developers","about":"Alion is a live layer of people, companies and AI agents: who they are, whether they are real and active right now, what they do and how to work with them, readable by people and by agents and paid per call.","catalog":"https://alion.io/catalog.json","usage":{"tier":"crawler_verified","counted_by":"address","units_charged":1,"used_today":10272,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-11-05T00:00:00Z"}},"offers":[{"id":"company.slices","title":"One company in depth, by slice","status":"live","price":{"credits":0.02,"usd":0.002,"plus_per_slice":{"credits":0.05,"usd":0.005}},"unit":"per company, plus each slice with data","note":"the employer in depth","call":{"mcp_tool":"get_company","arguments":{"id":58571},"rest":"https://alion.io/mcp/rest/get_company?id=58571"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Ffive9-network-engineer-ii-operations"},{"id":"market.stats","title":"A market slice: pay, demand and time to fill","status":"live","price":{"credits":1,"usd":0.1},"unit":"per slice","note":"pay, demand and time to fill for this role and place","call":{"mcp_tool":"market_stats"},"human":"https://alion.io/catalog?offer=market.stats&for=job%2Ffive9-network-engineer-ii-operations"},{"id":"job.search","title":"Open jobs by role, technology, place, pay and visa","status":"live","price":{"credits":0.02,"usd":0.002},"unit":"per posting in a list","note":"similar open postings","call":{"mcp_tool":"search_jobs"},"human":"https://alion.io/catalog?offer=job.search&for=job%2Ffive9-network-engineer-ii-operations"},{"id":"company.verify","title":"Is this company real and active right now","status":"pilot","price":null,"unit":"per company","request":{"url":"https://alion.io/catalog/request","method":"POST","body":"{\"offer\": \"company.verify\", \"for\": \"job/five9-network-engineer-ii-operations\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Ffive9-network-engineer-ii-operations"}],"agent":{"mcp":"https://alion.io/mcp/jobs","mcp_open":"https://alion.io/mcp/open","next":[{"tool":"get_job","arguments":{"id":3366499}},{"tool":"search_jobs","arguments":{"company":"five9.com","detail":"compact"}},{"tool":"match_people","arguments":{"job_id":3366499},"note":"people open to offers who fit this vacancy"}],"note":"The same data through MCP tools: https://alion.io/mcp/open needs no sign-in (compact searches, postings, people); https://alion.io/mcp with an Alion account has everything. Docs: https://alion.io/developers"}}