Saad Ahmad
New York,USA
Summary
Linux System Engineer with six years of background in Information Technology, including in-depth strong grasp of Build Engineering and Configuration Management processes, tools, and best practices. A plethora of practical experience in the design of reliable, adaptable, automated solutions for build and deployment procedures as well as environment management in enterprise settings. Providing better operating procedures and fixing issues. Exposed to Amazon Web Services (AWS) in a fast-paced, challenging, innovative company focused on reliability and customer service. Working experience with DevOps tools, Ansible, GIT and container technologies such as Kubernetes and Docker.
Overview
8
8
years of professional experience
Work History
Infrastructure Engineer
Bank of America
New York, NY
09.2023 - Current
- Managed High computing Environment’s health and efficiency.
- Was responsible for managing all hardware related issues and solving them.
- Created Incidents and worked with vendors like Maintech Black box & cisco to resolve Hardware related issues.
- Worked with environmental tools like azure DevOps, Nagios, BMC remedy & many internal tools and technologies.
- Created documentation for new team members, established best practices and SOPs for our Environment.
- Proficient with documentation tools like confluence Azure DevOps (wiki) & one Note.
- Managed Vulnerabilities on a weekly basses and worked on solving them or remediating them.
- Created SSH keys, ensured password less access and handled user SSH access and resolved associated issues through troubleshooting techniques.
- Was responsible for manually patching Red hat and windows boxes on a regular basses.
- Was responsible for upgrading kernel and updating packages on Linux boxes.
- Managed and upgraded Java and baseline updates for windows boxes regularly.
- Worked with vendors like HP and helped acquiring equipment for new Data centers along with directors.
- Worked on ILO 4,5 & 6.
Linux System Engineer
AT&T
Middletown, NJ
01.2022 - 07.2023
- Extensive hands on experience of VMware, the ESXI host, and the vSphere client, as well as the ability to move servers between physical and virtual environments.
- Responsible for providing access to the git repositories for the developers through ssh key exchange.
- Experience with issue tracking and project management tool like JIRA for tracking and resolving incidences, bugs and different kinds of system alerts.
- Configured Ansible playbook to automate tasks in accordance with client provisioning specifications.
- Used Ansible tower to deploy code to various remote nodes, as well as to create projects, schedule jobs, and create templates.
- Used AWS for Spinning up EC2 instances, configuring firewall, opening ports and adding in various VPCs.
- For high availability and fault tolerance, built load balancers (ELB) and used Route53 with failover and latency parameters.
- Using Docker file to develop customized Docker images, tagging them, and pushing them to Docker Hub.
- Taking advantage of Docker Compose to spin up multiple containers on same host.
- Exposed to Kubernetes to scale up and down and manage containers across multiple hosts.
- Set up DRS and HA, ensured optimal performance, by applying operating system patches, security fixes, and upgradation.
- Utilized Nagios to monitor environment and ensure maximum uptime with highly available servers.
- Proficient in deploying, configuring, decommissioning, resolving technical issues in Linux servers.
- Generated physical volumes, volume groups, and logical volumes by configuring LVM as well as extended these volumes ad also performed activation or deactivation of these volumes.
- Addressed assigned tickets and reported incidents through the use of the Service Now (SNOW) ticketing tool.
Linux Systems Administrator
Yahoo
Lockport, NY
04.2019 - 09.2021
- Performed Red Hat Linux Enterprise, Ubuntu, RHEL, and CentOS installation, configuration, administration, and upgrade.
- Built, patched, and managed Linux systems using Red Hat Satellite in a virtualized (VMware) and mission-critical bare metal environment.
- Carried out troubleshooting using network tools like ping, netstat, traceroute, nslookup, dig, tcpdump, and Wireshark.
- Examine log files and employ cluster commands to resolve cluster-related issues.
- Enhanced system speed and performance by performing kernel parameter tweaking.
- Managed UDP and TCP protocols and expertise in configuring and troubleshooting NFS, DHCP, SSH, FTP, and DNS.
- Performed bash scripting to automate several activities such as to obtain system statistics, machine uptime data, and process management.
- Generated and managed new users, groups, and secured access and limits to files and directories.
- Performed NIC bonding configuration for systems with high network latency.
- Utilize Active Directory to manage user accounts on Windows and Linux servers.
- Experience with SCP, RSYNC, and NFS, as well as other network file transfer protocols.
- Monitored and maintained disk space on systems by adding new disks, performing partitioning and creating file systems (ext3, ext4 or xfs).
- Implemented hardware and software RAIDs, and set up different RAID levels (0, 1, 5, 6, 10).
- Utilizing monitoring and visualization techniques, analysed system performance and identify anomalies.
- Performed server migrations, decommissioning, and servers rack installs in conjunction with the datacentre and operations teams.
- Verify that the computers are correctly booted and operating by accessing the console through IDRC and ILO.
Jr. Linux Admin
Verizon Media
Basking Ridge, NJ
04.2017 - 03.2019
- Managed groups and users as well as supervised local passwords.
- Spotted hardware and software problems at work and fixed them.
- Utilized tools such as top, sar, free, iostat, traceroute, vmstat etc for performance monitoring of servers.
- Creation and management of email accounts guaranteed on-call availability and provided dedicated assistance for 24 hours a day.
- Managed packages via RPM and YUM package management utilities.
- Using Crontab to schedule repetitive tasks.
- Configured and managed NFS with client-server architecture.
- Created SSH keys, ensured password less access and handled user SSH access and resolved associated issues through troubleshooting techniques.
- Performed software upgrades, managed workstation and server patch management.
- Operate and fixed issues related to network connectivity.
- Regularly performed system backups utilizing Net backup.
- Replaced or repaired damaged equipment by working with vendors.
Education
Bachelor - Computer Science
Tishk International University (TIU)
Lahore, Pakistan01.2014
Graduated -
East Meadow High School
East Meadow, NY07.2009
Skills
- VMWARE, VMOTION, VCENTER, VSPHERE, ESXI, WebLogic, Hosting, Openshift
- GIT, GITLAB, DOCKER KUBERNETES
- RHEL/CENTOS 6, 7,8 UBUNTU, DEBIAN
- ANSIBLE, BASH SCRIPTS
- DHCP, TFTP, FTP, HTTP, NFS, PXE, APACHE
- SAN, NAS, RAID, LVM, NFS,S3, GDISK, FDISK, PARTED
- AWS,IAM, EC2, EFS, S3, CLOUD FORMATION, EBS, VPC, ELB, CLOUD WATCH
- BMC REMEDY, SERVICE NOW, JIRA, NAGIOS
- EXT3, EXT4, XFS
- ILO, IDRAC KVM, RAID
- PROVISIONING & DECOMMISSION
- PATCHING MIGRATIONS
- Linux and unix administration
- Windows server administration
- Performance monitoring and tuning
- Decision-making skills
- Technology integration
- Vendor sourcing
- Configuration management
Languages
Urdu
Native or Bilingual
English
Native or Bilingual
Punjabi
Full Professional
Timeline
Infrastructure Engineer
Bank of America
09.2023 - Current
Linux System Engineer
AT&T
01.2022 - 07.2023
Linux Systems Administrator
Yahoo
04.2019 - 09.2021
Jr. Linux Admin
Verizon Media
04.2017 - 03.2019
Bachelor - Computer Science
Tishk International University (TIU)
Graduated -
East Meadow High School