System Admin

System AdministratorHoltec Location: Camden, NJ (onsite 4 day a week) Duration 12-24mth + Rate: $65C/CWe are seeking a skilled and proactive System Administrator to manage, support, and maintain enterprise infrastructure across Linux, Windows, and containerized environments. This role focuses on Red Hat-based systems and OpenShift, with responsibilities spanning automation, configuration management, CI/CD, and data center operations.Key Responsibilities:Administer, support, and maintain Linux servers (Red Hat and Oracle Linux), Windows servers, and associated infrastructure.Manage and optimize container platforms, including OpenShift, Docker, and Kubernetes.Create and manage Ansible playbooks and maintain AWX environments.Develop and test Puppet modules for automated configuration management.Support CI/CD pipelines using tools like GitHub, GitLab, and Jenkins.Administer datacenter hardware, including blade servers, SANs, and storage networking.Configure and maintain load balancers such as Citrix NetScaler and F5.Script and automate tasks using Bash, Python, or PowerShell.Monitor and maintain network connectivity and overall system performance.Required Qualifications:Proficiency with Red Hat Enterprise Linux and OpenShift.RHCSA, RHCE, or equivalent experience/certifications.Strong experience with automation tools (Ansible, Puppet).Familiarity with CI/CD pipelines and version control systems.Experience with containerization and orchestration platforms.Working knowledge of Windows server infrastructure.Hands-on experience with data center equipment and storage technologies.Solid understanding of networking fundamentals and system security best practices.Preferred Skills:Experience with Jenkins or other CI/CD tools.Knowledge of system monitoring tools (e.g., Nagios, Prometheus).Familiarity with cloud platforms (e.g., AWS, Azure) is a plus.