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F5

Senior SRE, Infrastructure – Platform

F5

Senior SRE building Python, Go, Ansible, and Kubernetes automation for F5’s secure application infrastructure. Supporting hybrid, multi-datacenter operations and PCI-DSS compliance.

Posted 8/25/2026full-timeSingapore • 🇸🇬 SingaporeSeniorWebsite

Core Competencies

Role fit
Core Competencies

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Demonstrates expertise in building automation and tooling for multi-datacenter infrastructure, with strong capabilities in Python and Go programming, Ansible role development, and CI/CD pipeline management. Proficient in managing cloud resources across AWS and Azure, with a solid understanding of PCI-DSS compliance and infrastructure automation best practices.

Highest-signal resume keywords
Python ProgrammingAnsible Role DevelopmentCI/CD Pipeline ManagementKubernetes OperationsAWS and Azure Automation

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Hard Skills
Go ProgrammingAnsibleCI/CD PipelinesKubernetesLinux SystemsAPI DevelopmentInfrastructure as CodeSecrets ManagementVersion ControlTesting and Documentation
Tools & Technologies
GitLab CIHashiCorp VaultRedfish/iLOProxmox VENetBox
Industry Keywords
PCI-DSS ComplianceInfrastructure AutomationCloud EnvironmentsMulti-Datacenter InfrastructureNetwork Automation

Tech Stack

Tools & technologies
AnsibleAWSAzureBootstrapCloudFlaskGoKubernetesLinuxPythonVault

About the role

Key responsibilities & impact
  • Build automation, tooling, and internal platforms for a global, multi-datacenter infrastructure spanning Points of Presence worldwide
  • Design and develop internal tools, CLIs, and APIs primarily in Go and Python
  • Integrate CMDB/IPAM, secrets management, hypervisor APIs, monitoring platforms, and CI/CD pipelines
  • Develop and maintain API clients and libraries for infrastructure services
  • Write well-tested, documented, maintainable code with versioning, release processes, and code reviews
  • Architect and maintain Ansible roles and playbooks across 30+ datacenters, 80+ group variable files, and 40+ roles
  • Improve Ansible idempotency, error handling, and test coverage
  • Develop custom Ansible modules, plugins, and lookup plugins
  • Automate bare-metal server lifecycle from iLO bootstrap through OS installation, hypervisor configuration, VM provisioning, and service deployment
  • Design and maintain GitLab CI pipelines with linting, validation, canary testing, regional rollout, rollback, drift detection, and change validation
  • Implement automated testing for Ansible roles and infrastructure changes
  • Automate self-hosted Kubernetes provisioning, upgrades, scaling, disaster recovery, workload deployment, Helm, and GitOps workflows
  • Build container image pipelines, registry management, and image promotion workflows
  • Develop Kubernetes operators/controllers in Go
  • Automate AWS and Azure resources across hybrid bare-metal, virtualized, and cloud environments
  • Instrument tools with logging, metrics, and tracing
  • Build automated remediation workflows, reporting, dashboards, and toil-reduction initiatives
  • Automate PCI-DSS compliance, CIS hardening, audit evidence collection, drift detection, secret rotation, and security scanning integration
  • Participate in a 24x7 on-call rotation

Requirements

What you’ll need
  • 5+ years of experience in an SRE, DevOps, or Infrastructure Engineering role with a strong emphasis on writing code and building automation
  • Proficiency in Python, including CLI tools, APIs (Flask/FastAPI or equivalent), and automation frameworks
  • Expert-level Ansible skills, including custom role development, module/plugin authorship, complex Jinja2 templating, inventory management at scale, and CI/CD integration
  • Solid Linux systems knowledge (RHEL/CentOS)
  • Experience building and maintaining CI/CD pipelines, preferably GitLab CI, for infrastructure automation
  • Production experience with self-hosted Kubernetes, including cluster operations, controller/operator development, and workload automation
  • Practical AWS and Azure experience with an IaC mindset
  • Experience with API-driven infrastructure management, including RESTful APIs, Redfish/iLO, and hypervisor APIs
  • Familiarity with HashiCorp Vault or equivalent secrets management platforms, including programmatic integration
  • Understanding of PCI-DSS requirements for automated infrastructure management
  • Strong software engineering fundamentals: version control, code review, testing, documentation, and release management
  • Willingness to participate in a 24x7 on-call rotation
  • Preferred: Proxmox VE API automation or similar hypervisor APIs; bare-metal server management automation; working proficiency in Go; custom Ansible modules/plugins; NetBox API integration; Kubernetes operator development; network automation; colocation/carrier-neutral data center experience; open-source contributions
  • Nice to have: OSTree/image-based OS lifecycle automation; Pulp or package repository management; developer portals; DDoS mitigation automation or network-function virtualization

Benefits

Comp & perks
  • Hybrid work arrangement
  • Remote-first team across multiple time zones
  • 24x7 on-call rotation participation
  • Global, distributed team environment