Five9 at a glance
five9.com- Founded 2001
- Ticker FIVN
- Revenue (FY2025) $1.15B
- Net income $39.42M
Investor research: Yahoo Finance · SEC filings
Five9
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 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.
- Kubernetes (Rancher RKE2/K3s): Designing and maintaining bare-metal clusters with GitOps-driven automation (Fleet, Argo CD, Terraform, Helm), optimized for performance and secured with RBAC, network policies, and compliance guardrails.
- OpenStack: Designing, automating, and operating multi-tenant clusters across Nova, Neutron, Octavia, Manila, Cinder, Ironic, and Glance, ensuring performance, tenant isolation, and lifecycle automation.
- Cross-Platform Integration: Enabling interoperability (e.g., Magnum, storage backends, network overlays) and shared observability stacks (Prometheus, Grafana, Loki/EFK).
- SRE Principles: Applying uniform practices across both stacks for capacity planning, high availability, resilience, incident response, and continuous improvement.
- 7+ years in infrastructure, platform, or SRE engineering roles.
- Certified Kubernetes Administrator (CKA)
- Hands-on mastery of both OpenStack and Rancher Kubernetes in production, with focus on automation, lifecycle management, and high availability.
- Proficiency with Terraform, Ansible, Helm, Argo CD, and scripting in Python/Go/Bash.
- Deep understanding of Linux internals and system performance.
- Proven application of SRE practices in high-stakes, always-on environments.
- Strong experience with observability platforms (Prometheus, Grafana, Loki/ELK/EFK).
- Kubernetes: Rancher add-ons (Fleet, Longhorn, CIS Scanning), security hardening (CKA/CKS).
- Advanced networking and scheduling: VXLAN, BGP, NIC offload, NUMA-aware scheduling, SR-IOV, and PCI passthrough.
- OpenStack: Magnum integration, Tempest/Rally for upgrades and validation.
- Compliance: PCI, FedRAMP, SOC2, FIPS, CIS, NIST standards.
- Upstream contributions to OpenStack or Kubernetes projects.
Work Location: This role is fully remote for candidates who reside outside the 30 mile radius of one of our offices. For candidates who reside within a 30 mile radius of one of our offices, this role is Hybrid and would require 3 days a week (T, W, TH) in office.
As part of our continued commitment to diversity, equity, and inclusion, Five9 supports pay transparency during the entire recruitment process. Actual compensation packages are based on several factors that are unique to each candidate including, but not limited to: skill set, depth of experience, certifications, and specific work location. The range displayed reflects the minimum and maximum target for new hire salaries for the job across the United States. Your recruiter can share more about the specific compensation package during your hiring process.
Additionally, the total compensation package for this position may also include an annual performance bonus, stock, and/or other applicable incentive compensation plans.
Our total reward package also includes:
- 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 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.
Five9 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.
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.
To apply for this job please visit www.five9.com.
Terms used in this posting
- 401k
- A retirement savings plan offered by U.S. employers, often with the company matching a portion of what you contribute.
- equity
- Ownership stake in the company, usually in the form of stock options or RSUs, offered in addition to salary.
- hybrid
- A work arrangement combining both in-office and remote/at-home work, typically on a set schedule.
Explore Five9 online
What people say about Five9
Recent news
- Rapid7, Five9, and RingCentral Shares Skyrocket, What You Need To Know - Yahoo Finance
- Is Five9 (FIVN) Undervalued As Voice AI Agents Raise The Stakes? - simplywall.st
- Daily Inspiration: Meet Five9 Films - Voyage LA Magazine
- Did Five9, Inc. Insiders Breach their Fiduciary Duties to Shareholders? - PR Newswire
- Five9 Launches Voice AI Agents to Replace Contact Center IVR - CMSWire
Aggregated from public discussions and news; opinions are the authors’ own.
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The United States of America (USA), also known as the United States (U.S.) or America, is a country primarily located in North America. It is a federal republic consisting of 50 states and a federal capital district, Washington, D.C. The 48 contiguous states border Canada to the north and Mexico to the south, with the semi-exclave of Alaska in the northwest and the archipelago of Hawaii in the Pacific Ocean. The United States also asserts sovereignty over five major island territories and various uninhabited islands in Oceania and the Caribbean. It is a megadiverse country, with the world's th
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National unemployment rate in US: 4.2% — via World Bank
Market context
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Accommodations: if you need a workplace accommodation to apply for or perform this job, see ADA.gov or EEOC.gov for guidance on your rights and how to request one.
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