Senior Director, Infrastructure Architecture – Engineering

Five9

Senior Director overseeing Infrastructure architecture and engineering at Five9. Leading the development and transformation of high-performing engineering organizations.

Posted 5/20/2026full-timeSan Ramon • California • 🇺🇸 United StatesSenior💰 $135,900 - $448,300 per yearWebsite

Tech Stack

Tools & technologies

CloudDNSKubernetesOpenStack

About the role

Key responsibilities & impact

Own the platform function end-to-end across Openstack and Kubernetes (private cloud), Infrastructure as Code, automation frameworks, shared platform services, and AI compute infrastructure
Operate the platform as a product for internal engineering teams, driving adoption, self-service, developer experience, standardized platform patterns, and measurable delivery outcomes
Lead the platform software supply chain, including source control, code review, CI/CD, testing, security validation, artifact management, observability, deployment, rollback, release management, and lifecycle governance
Define and mature core platform services including observability, secrets management, DNS/DDI, identity, registries, CI/CD tooling, and GPU-enabled platform capabilities supporting AI workloads
Drive platform architecture and technology direction across Kubernetes, storage, and virtualization including operational hardening, scalability, and modernization initiatives
Establish scalable operational and engineering practices including SLOs, incident escalation response, change management, on-call health, runbooks, post-incident corrective actions, ADRs, code reviews, and shared ownership models
Build and develop a high-performing platform engineering organization through strong hiring, leveling, coaching, engineering standards, and organizational design practices
Partner closely with network, compute, storage, and datacenter operations leadership, security, production operations, cloud engineering, and automation teams to drive aligned platform execution at scale

Requirements

What you’ll need

Proven track record building, scaling, and transforming high-performing engineering organizations
Experience stabilizing and modernizing under-resourced teams and operational environments
Strong leadership skills with the ability to build accountability, ownership, and engineering discipline across globally distributed teams
Proven ability to lead large-scale technical and organizational transformation in complex production environments
Strong cross-functional leadership and stakeholder management skills across engineering, operations, security, and executive teams
Ability to mentor senior technical leaders and build scalable, high-performing organizations
Strong decision-making, prioritization, communication, and conflict resolution skills in high-pressure environments.
Proven ability to build, scale, and mature engineering organizations, including hiring, coaching, organizational design, and raising engineering standards
Strong executive communication skills with the ability to present platform health, reliability, adoption, cost, and roadmap metrics to senior leadership
Experience leading globally distributed engineering teams and embedded partner resources within a unified operating model
Bachelor's degree in computer science, engineering, business or related field

Benefits

Comp & perks

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.

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills & Tools

OpenstackKubernetesInfrastructure as CodeCI/CDobservabilitysecrets managementDNS/DDIGPU-enabled platform capabilitiesscalabilityoperational hardening

Soft Skills

leadershipaccountabilityownershipengineering disciplinecross-functional leadershipstakeholder managementmentoringdecision-makingcommunicationconflict resolution

Certifications

Bachelor's degree in computer scienceBachelor's degree in engineeringBachelor's degree in business