US_West | Platform Engineering - Linux/Unix Admin_L2

Develop and maintain Ansible playbooks for infrastructure automation, including user management, security agent deployment, OS patching, and SSH hardening. Hands-on experience migrating workloads from on-premises environments to AWS or GCP using lift-and-shift or re-platforming approaches.

Role Name: Linux Systems Administrator
Work Location: Austin, TX – Onsite


Work Arrangement:
The candidate must work onsite from the customer’s Austin, TX office starting on Day 1.
Primary Responsibilities

• Manage and administer Linux (RHEL/Rocky Linux) virtual machines across multi-site data center environments.
• Operate and maintain the OpenShift container platform, including user management, workload troubleshooting, and cluster health monitoring.
• Support AVI Vantage load balancer operations, including virtual service configuration, pool management, SSL binding, and health monitors.
• Develop and maintain Ansible playbooks for infrastructure automation, including user management, security agent deployment, OS patching, and SSH hardening.
• Fulfill daily infrastructure requests, including VM provisioning, resource augmentation, access provisioning, and troubleshooting.
• Manage hardware lifecycle activities, including Dell iDRAC management, decommission coordination, and EOSL tracking.
• Deploy and maintain security agents across all hosts.
• Manage the SSL certificate lifecycle, including renewals, installation, and expiration tracking.
• Support FreeIPA and Keycloak identity services, including user provisioning, group management, and authentication troubleshooting.
• Coordinate with vulnerability management teams to patch or mitigate findings on data center hosts.
• Participate in the on-call rotation for production infrastructure incidents.

Required Qualifications:

• 5+ years of experience in enterprise Linux systems administration, including RHEL 7/8/9 and Rocky Linux.
• Strong working knowledge of Ansible for infrastructure automation, including playbook development, roles, inventories, and Ansible Vault.
• Experience with container platforms such as OpenShift or Kubernetes, including cluster operations, user management, and pod troubleshooting.
• Experience with application delivery controllers/load balancers; AVI Vantage is preferred, while F5 BIG-IP is acceptable.
• Hands-on experience managing Dell PowerEdge server hardware using iDRAC, OpenManage, and BIOS/firmware updates.
• Familiarity with virtualization platforms and VM lifecycle management tools such as ManageIQ, VMware, or similar technologies.
• Experience with identity management systems such as FreeIPA, LDAP, Keycloak, or Active Directory.
• Understanding of SSL/TLS certificate management and PKI concepts.
• Proficiency with Git for version control, including branching, merge requests, and collaborative workflows; GitLab experience is preferred.
• Experience working in multi-site data center environments.
• Foundational knowledge of AWS or GCP, including core services such as compute, networking, storage, and IAM, as well as an understanding of how on-premises infrastructure maps to cloud equivalents.
• Strong troubleshooting skills across network, operating system, and application layers.
• Ability to work independently, manage a queue of requests, and prioritize tasks effectively.

Preferred Qualifications:

• Hands-on experience with AVI Vantage, including virtual services, pools, and health monitors.
• Experience with Splunk Forwarder deployment and log pipeline configuration.
• Exposure to vulnerability management workflows.
• Experience with Jira for work tracking and request management.
• Familiarity with hardware lifecycle planning, including EOSL tracking, refresh coordination, and capacity planning.
• Python scripting experience for operational automation and reporting.
• Understanding of network fundamentals, including VLANs, routing, firewall rules, and DNS.
• Experience supporting Cisco UCS or Dell EMC Unity storage platforms.
• Hands-on experience migrating workloads from on-premises environments to AWS or GCP using lift-and-shift or re-platforming approaches.
• Familiarity with Infrastructure as Code tools for cloud environments, including Terraform, CloudFormation, or Deployment Manager.
• Experience with cloud-native container orchestration platforms such as Amazon EKS or Google GKE, in addition to on-premises OpenShift.
• Relevant certifications at the Associate level or higher.

 
“All qualified applicants will be considered without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or protected veteran status.”