Summary
Overview
Work History
Education
Skills
ADDITIONAL INFORMATION
Timeline
Generic

RUKHSAR AHSAN

Summary

Results-driven Linux Platform Engineer with 7+ years of experience in designing, implementing, and managing Linux-based systems across physical, VMware, and cloud environments (AWS). Adept at automation with Ansible, system security, and troubleshooting complex technical issues. Expertise in patching, user management, server hardening, and system scalability. Strong knowledge of version control (Git), containerization (Docker, Kubernetes), and monitoring tools (Splunk, Nagios, Prometheus). Passionate about optimizing system performance and ensuring high availability through robust incident management and automation.

Overview

8
8
years of professional experience

Work History

Linux Platform Engineer

JP Morgan Chase
12.2020 - Current
  • Responsible for planning, installing, configuring, maintaining, and administering Linux-based systems such as Red Hat, Ubuntu, CentOS, and VMware.
  • Experience with standard IT security practices, including identity and access management, least privilege policies, data protection, encryption, and key management.
  • Deployed application and implemented patching of servers in both production and test environments.
  • Used Ansible for provisioning, configuration, application deployment, and orchestration.
  • Managed a large number of systems and applications efficiently and consistently by utilizing Ansible playbooks.
  • Created and managed virtual machines (EC2 instances) on Amazon cloud.
  • Responsible for the management of Amazon Web Services including S3 buckets, EBS, ELB, Auto Scaling, and AMI through the AWS platform.
  • Maintained and managed the Virtual Private Cloud (VPC).
  • Provided technical support for Git-related issues, including repository management, branching, and merging.
  • Used Git for version controlling and collaboration on various projects.
  • Responsible for managing and resolving incidents with tools like Jira.
  • Experience with Docker containers and handling of container images.
  • Responsible for managing disk space by configuring LVM and creating physical volumes, volume groups, and logical volumes.
  • Managed users on Linux systems with Active Directory and used open LDAP to authenticate users and systems in a Linux environment, including single sign-on.
  • Implemented and maintained system security policies, including firewall rules, access controls, and encryption protocols, to safeguard sensitive data and ensure compliance with industry standards and regulations.
  • Led the successful migration of critical infrastructure and applications to a new data center, including planning, execution, and post-migration validation, resulting in zero downtime and seamless transition for all services.
  • Install, configure, and maintain Linux-based servers, including web servers, application servers, and database servers, while utilizing Docker for containerization and orchestration.
  • Implemented automated backup solutions using tools like rsync and Bacula, reducing backup time by 40% and ensuring quick recovery from system failures.

Linux Admin

Salesforce
03.2019 - 09.2020
  • Performed maintenance, support, troubleshooting, configuration, installation, and deployment of upgrades on Linux servers.
  • Responsible for automating the operating system installation on virtual systems
    using PXE-Boot and a customized Kickstart file.
  • Implemented automated log analysis tools and dashboards, proactively identifying
    and resolving performance bottlenecks and security incidents, resulting in a 30%
    reduction in system downtime and a more efficient troubleshooting process.
  • Utilized RPM and YUM to install packages for patching and to manage servers.
  • Managed server deployments on vSphere and other virtual technologies.
  • Created and managed the file system.
  • Configured Network Interface Cards (NICs) and resolved related issues.
  • Checked and maintained the running processes on the systems using CLI tools.
  • Worked on critical incidents using BMC Remedy and performed root cause analysis
    of them.
  • Good hands-on using editors such as VI, Vim Nano, etc.
  • Created user accounts and assigned them sudo privileges and set ACLs.
  • Monitored and analyzed system performance metrics such as virtual memory, swap
    space management, disk utilization, and CPU utilization via the Nagios tool.
  • Generated password-less SSH keys and troubleshoot issues using the secure shell.
  • Utilizing ad hoc commands to automate a variety of tasks.
  • Managed and administered multiple physical and virtual servers.
  • Configured and resolved issues related to NFS, NTP, DHCP, NIS, DNS, FTP, SSH, and
    Apache.
  • Enhanced the security of Linux systems by configuring iptables, firewall, and
    SELinux, as well as deactivating root login.
  • Utilize vmstat, iostat, sar, top, and sysctl to monitor performance and tune the
    kernel.
  • Performed backup and restore operations using tar and gzip.
  • Constructing an automation framework with tools like crontab.
  • Responsible for setting up RAID and worked with RAID 0, 1, 5, 6, and 10.
  • Identify and resolve network-related problems and set up/configure network
    interfaces on servers.
  • Managed user access and authorization, including implementing and maintaining
    access control policies, role-based access control (RBAC), and auditing user activity
    to ensure compliance and security in a Linux environment.

Linux Technician

AT&T Labs
08.2017 - 02.2019
  • Installed, configured, and maintained servers, network devices, and other data center equipment.
  • Perform racking, stacking, and cabling of network devices, servers, blade enclosures, and other data center appliances.
  • Replace parts such as power supplies and switch modules and perform blade replacement in chassis.
  • Assist with hardware troubleshooting.
  • Provide hands-on support to remote data center management teams for maintenance activities.
  • Implement best practices for managing data centers.
  • Prepare and maintain an inventory of data center equipment.
  • Escort and aid third-party engineers entering the data center.
  • Possess experience using ticketing systems for managing data center operations.

Education

Bachelor - Supply Chain And Computer Science

Rutgers University
New Brunswick, NJ
05-2020

Skills

    Operating Systems: RHEL, CentOS, Ubuntu

    Virtualization & Cloud: VMware, ESXi, vMotion, AWS (EC2, S3, IAM, EBS, EFS, CloudFront, CloudWatch, VPC)

    Networking & Security: TCP/UDP, DNS, DHCP, FTP, IP, Syslog, Samba, HTTPD, Firewall Hardening

    Automation & Scripting: Ansible, Bash, YAML

    Version Control: Git, GitHub

    Containerization & Orchestration: Docker, Kubernetes

    Monitoring & Logging: Nagios, Prometheus, Splunk

    Incident & Change Management: BMC Remedy, Jira

    Storage & Backup: LVM, NFS, RAID, NetBackup, PXE Boot, Kickstart

    Databases: MySQL, TFTP, Apache, NTP

    Clustering & High Availability: HA, DRS, FT, Snapshots, Clone

ADDITIONAL INFORMATION

  • Excellent troubleshooting and problem-solving skills.
  • Strong collaboration with cross-functional teams.
  • Passionate about system automation and cloud computing.

Timeline

Linux Platform Engineer

JP Morgan Chase
12.2020 - Current

Linux Admin

Salesforce
03.2019 - 09.2020

Linux Technician

AT&T Labs
08.2017 - 02.2019

Bachelor - Supply Chain And Computer Science

Rutgers University
RUKHSAR AHSAN