.
CONTACT
Carteret, New Jersey *****
***************@*****.***
SKILLS
· Core Competence:
· Operating System:
· RHEL 6,7,8 CentOS, Debian, Windows.
· Configuration & Management Tools: Ansible, Ansible Tower, Terraform, Cloud Formation, Crontab.
· Version Control Tools: GIT, GitHub, GitLab, Bit Bucket.
· Containerization & Orchestration Tools: Docker, Docker compose, Open Shift, Kubernetes.
· Servers: PXE, DHCP, Apache, DNS, NFS, FTP, TFTP, EC2
· Virtualization Technologies: VMware, ESXI host, Virtual Box, vCenter, vSphere
· Cloud (AWS): IAM, EC2, EFS, S3, Glacier, ELB, Cloud Watch, Batch, HPC
· Networking/ Protocol: DNS, DHCP, Cisco Routers/Switches, NIS, NFS, SSH, UDP, FTP TFTP, TCP/IP, HTTP
Network Scanning and Packet Inspection: nmap, Netstat, NSlookup, tcp dump, route, ping and traceroute
CERTIFICATIONS
Red Hat Certified System Administrator (RHCSA)
Career Summary: A responsible and detailed oriented Linux Admin/Engineer with about 8 years of experience in fast paced Linux environments and expertise in several flavors of Linux including RedHat, CentOS and Ubuntu. Excellent installation, configuration, maintenance and system's user's administration skills. hands-on with cloud infrastructure, automation, and configuration tools like Ansible, Ansible Tower, GIT, and containerization tools such as Docker and Kubernetes. Worked in Amazon Web services like ECB, EBS and S3 bucket. Developed custom cron jobs to schedule daily and weekly tasks. Data-driven, focused and experienced IT specialist with focus on automation of complex business problems and supporting product innovation with technology.
WORK HISTORY
June 2023 - Current
System Engineer PNC Bank
Administered and maintained enterprise-level Linux servers, ensuring 99.9% uptime and optimal performance
Automated routine tasks using scripting languages such as Bash, Python, and Ansible, reducing manual effort by 40%
Designed and implemented virtualization solutions using VMware and Hyper-V to consolidate servers and improve resource utilization
Monitored and optimized system performance using tools like Nagios, Zabbix, or Grafana, enhancing operational efficiency
Migrated on-premises workloads to AWS or Azure, leveraging EC2, S3, and other cloud services to reduce costs by 30%
Integrated Linux systems into CI/CD pipelines using Jenkins, Git, and containerization tools like Kubernetes
Deployed and managed virtualization environments using VMware, KVM, or Docker to support scalable infrastructure
Implemented configuration management tools such as Ansible or Puppet to ensure consistency across multiple servers
Managed GitHub repositories for version control, ensuring clean codebase management and seamless collaboration across teams
Set up and enforced Git workflows (e.g., Gitflow, Feature Branching) to maintain code quality and streamline development processes
Configured branch protection rules, enforced code review policies, and enabled security checks to maintain repository integrity
Configured branch protection rules and enforced code review workflows in VfASS, ensuring code integrity and compliance with organizational standards
Integrated VfASS with CI/CD pipelines to streamline the code deployment process, reducing build and release cycle times
March 2021 - May 2023
Linux Admin / Engineer UPS
Responsible for the installation, configuration, management, and maintenance of the Linux systems with various flavors
Automating configuration management and provisioning, application deployment, orchestration, and managing multiple nodes and applications efficiently and consistently through ANSIBLE
Hands on Ad-hoc commands for daily system administration tasks on Linux servers, using Ansible, and creating Ansible playbooks to automate multiple tasks
Implementing migration procedure of physical Linux servers and suggesting the best possible way of migrating them by doing P2V, P2P plate spin software
Used Ansible tower to deploy code on various remote nodes, created projects, scheduled jobs, created templates
Hands-on experience of handling pre and post patching issues such as software incompatibility and kernel panic
Managed Git workflow, set up and implemented the built and deployment delivery process using Git Lab
Hands on Using GIT for managing playbooks, scripts with full version control
Worked with Docker containers to package applications with all of their dependencies into the standardized unit
Experience managing Docker repository, files/compose, images, and running containers
Expertise in Orchestrating containers across multiple hosts by using Kubernetes
AWS and its features to provision, monitor, and distribute computer infrastructure and creating S3 buckets and working on Glacier S3 for storage and backups on AWS
Utilizing AWS to spin EC2 instances from AMIs, spinning up customized EC2 instances using data user section, in the cloud environment
Responsible for identifying, analyzing, and resolving cloud infrastructure vulnerabilities and application deployment issues
Experience in creating, Extending, resizing and managing LVM storage allowing to partition a single physical device into multiple logical partitions as well as allowing it to integrate multiple physical devices into a single volume group
Installing and configuring ESXi host on Dell and Hewlett Packard (HP) servers
Strong experience of VMware, ESXi 5.5 & 6.7, vShpere to create VMs, using Vmotion for migration of VMs and enhancing resources efficiency with VMware clusters
March 2019 - February 2021
Linux Admin Bank of America
Responsible for patching, and decommissioning the servers, Disaster & Recovery Management, and Change Management
Experience configuring and managing NIC Bonding with different runner setup to traffic diversion based on volume of network packets received on logical NIC
Experience in building, configuring, and deploying PXE boot servers and configured Kickstart files for a customized and automated server deployment with configured packages
Deploying, configuring, managing, and troubleshooting NFS servers for Linux Client Servers
Used the Nagios monitoring tool for analyzing network activity and identifying active memory leaks as potential sources of security threat
Performed troubleshooting various server issues such as hardware, CPU, memory, I/O, boot, network connectivity
Configured static IP address by tweaking configuration file and troubleshoot SSH and DNS related issues
Added support in the system by diagnosing and troubleshooting problems in the Linux server
Isolated problems, created and updated documentation for new team members and users in the environment
Create cron to schedule jobs and run scripts for system backup, updates, automate server maintenance
Working with kernel parameters to fix any application-specific issues, system security and system hardening, enabling and disabling port access
Working with latency-sensitive workload that includes process scheduling, memory, network, and overall performance tuning of RHEL servers
Worked with Firewalls on the CLI, using Iptables, firewall rules, and SE Linux
Strong experience in Networking and managing TCP/IP, DNS, NFS, SSH, VSFTPD
Analyzing, assessing, prioritizing, and resolving user requests and incidents raised through the ticketing system using the ticketing queue of SNOW
February 2017 - January 2019
Linux Admin IEEE
Software and Hardware installation
Monitored System performance such as CPU, Memory, Disk and Swap space usage
Installed and configured 3rd party software on both workstations and servers
Created user accounts, added users to groups, set permissions
Handled ticket queue by Jira ticketing system
Strong liaison with vendors to get resolution of complex and critical issues ensure the stability of the environment
Elevated privileges of users by allowing SUDO excess
Supported users by fulfilling their requests for information
EDUCATION
May 2010
B.COM
Gujranwala College of Commerce
.
SAMREEN AHSAN