Junaid Zaman

Experience

1. Linux System Engineer

   IBM

   Oct 2019 — Present · Jersey City, NJ, US

   Lead architectural planning and system administration, providing engineering outlook from deployment to installation, ensuring a robust, high-performing infrastructure aligned with organizational needs.• Demonstrate expertise in general CentOS/Fedora 5/6/7+ & Red Hat Enterprise Linux System administration, security patching, OS upgrades, troubleshooting, and maximizing uptime.DevOps Methodologies and Change Management:• Integrate DevOps methodologies to oversee infrastructure modifications, adhering to change management guidelines, reducing system/application downtime.• Install and configure Ansible Core/Engine along with AWX/Ansible Tower, automating processes in various environments and version control via GIT.• Craft Ansible playbooks for deploying packages and patches across production environments, following successful deployment in testing, UAT, and QA environments.Security Management and Compliance:• Conduct remediation of security vulnerabilities using IPTABLES rules, Firewalld within System-D systems, and SELinux on Red Hat Enterprise Linux servers.• Prioritize tasks and maintain ticket queue monitoring in line with managerial supervision, ensuring efficient operations.Cloud and Containerization Expertise:• Utilize Terraform Templates for cloud computing platforms and orchestrate deployment of Docker Images using Kubernetes for scalable solutions.• Manage ESXi VMs and Amazon EC2 instances such as M4, T2, including AWS IAM, Local, and LDAP servers.Customer Support and Hardware Management:• Provide direct support to developers and address customer queries, enhancing user satisfaction.• Showcase extensive experience in racking, stacking, cabling, and troubleshooting servers at hardware level, and working in a data center environment.