Senior Linux/Unix Kubernetes Administrator

Location: Harrisburg, PA
Work Arrangement: Hybrid - 20% Onsite / 80% Remote; PA resident required; minimum 1 day in the office per week and flexibility to be onsite 5 days if management requires
Schedule: 8:00AM 5:00PM; on-call rotation required
Interview: On-site
Contract: Contractor to Employee
Visas Accepted: USC/GC only

Role Overview

This highly technical position is responsible for the architecture and design of complex Linux/Unix and Kubernetes computing environments in on-premises and Cloud/AWS arenas. The role focuses on AIX/RHEL administration, Kubernetes, virtualization, storage technologies, and Disaster Recovery processes. The position is located at 1200 N 7th Street, Harrisburg, PA, and requires Pennsylvania residency.

Primary Responsibilities

• Architect and design complex Linux/Unix and Kubernetes computing environments.
• Collaborate closely with developers and other technology personnel.
• Develop, migrate, and manage services in the Amazon Web Services cloud environment and physical data centers.
• Support AIX/RHEL administration, virtualization, storage technologies, and Disaster Recovery processes.

Required Technical Skills

• Architecture and design of complex Linux/Unix and Kubernetes computing environments, in both on-prem and Cloud/AWS arenas.
• AIX/RHEL administration, Kubernetes, virtualization, storage technologies, and Disaster Recovery processes.
• Develop, migrate and manage services in the Amazon Web Services cloud environment and in physical data centers.
• Proven ability to create, configure, and manage Enterprise Linux based systems.
• Strong understanding of TCP/IP networking services, setup, and troubleshooting, including routing, firewall filtering, load balancing, DNS, VLAN isolation, service APIs, gateways, proxies, and packet capture.
• Demonstrated experience creating and managing shell scripts using bash, korn shell, and python.
• Experience maintaining secure, hardened systems, including certificate and key management, ACLs, PAM, IAM, vulnerability scanning, and remediation.
• Solid understanding and implementation of Linux storage technologies, including SAN, NAS, Object (S3), LVM, RAID, backup, and recovery.
• Good understanding of virtualization and container technologies, including KVM, VirtIO, Xen, QEMU, Podman, Docker, and LXC.

Preferred Qualifications

• Strong Kubernetes implementation and management skills using the Rancher container management platform.
• Ability to create, manage, and troubleshoot Manifest Files.
• Ability to develop, read, and update Helm Charts.
• Familiarity with CI/CD concepts and tooling, including Git and GitLab.
• Ability to review and troubleshoot Java VM / Tomcat errors and configuration options.
• Understanding of PostgreSQL deployment and configuration.
• Knowledge of Gradle or Maven build processes.
• Experience deploying containerized applications in a public cloud provider, including AWS EKS / ECS or Azure ACI / AKS.