Own incidents end to end: scoping, containment, forensics, write-up, and remediation follow-through.
Write, tune, test, and retire detections.
Build playbooks, integrations, and workflows for IR automation.
Track relevant threat intelligence and convert it into detections, hunts, and hardening work.
Contribute to hypothesis-led threat hunting initiatives.
Build and improve the agents, prompts, and enrichment logic behind the triage pipeline.
Python
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About Five9
Five9 pioneered cloud contact center software, transforming how businesses engage customers. You will contribute to a platform facilitating three billion annual interactions. This intelligent CX platform boosts agent productivity and elevates customer experiences. Join a company that helps thousands of organizations worldwide. You will solve complex challenges for mid-market to enterprise clients. Five9 offers innovative solutions across diverse industries. We provide reliable, secure, and scalable cloud solutions.
How We Work
Our culture embraces diversity and empowers you to be your authentic self. We operate with a strong team-first mentality. We foster an inclusive environment, valuing varied backgrounds and skills. Many roles offer full remote flexibility, especially outside our San Ramon, CA hub. If you are within 50 miles of San Ramon, we adopt a hybrid model. You'll join us in the office three days a week. Our values drive innovation, growth, and a supportive journey together.
Engineering at Five9
You will build and maintain critical cloud infrastructure, processing millions of customer interactions. Our technical environment includes Kubernetes on baremetal and hypervisor platforms. We leverage OpenStack, KVM hypervisors, and advanced Linux systems. You will craft Infrastructure-as-Code using Terraform, Ansible, and Python. We continually optimize for performance, scalability, and reliability. You will work with cutting-edge technologies. These include VoIP/SIP, Ribbon SBCs, and Verint WEM solutions.
Why Join Us
Shape the future of customer experience for thousands of global enterprises.
Work with innovative cloud contact center and AI technologies.
Contribute to a company with strong values and an inclusive, supportive culture.
Enjoy remote work flexibility or a balanced hybrid model.
Access comprehensive benefits, including employee stock purchase and parental leave.
Benefits & Perks
Health, dental, and vision coverage (100% employee portion covered)
Short & Long-Term Disability and Basic Life Insurance
401k savings plan with employer matching
Access to an innovative mental health support platform
Generous employee stock purchase plan
Paid Time Off, company-paid holidays, paid volunteer hours
12 weeks paid parental leave
Annual performance bonus, stock, and/or other incentive compensation plans