Haroun Ahmed Shaibu

Military Service:

• Rank: Second Lieutenant

  Branch/Position: Air Force

  Period: January 2019 - present

  Occupation: AVENGER System Repairer

  Security Clearance: Secret Clearance

  Duties Description:

  Performs and inspects maintenance on AVENGER system and associated components. Performs quality control measures; performs maintenance adjustments on test equipment; serves on maintenance and inspection teams; inspects, tests and adjusts components to specific tolerances; determines shortcomings and malfunctions in electronic, electrical and cryogenic assemblies, modules and circuit elements using system associated equipment.

Work history:

• Job Title: Windows/Linux System Administrator

  Company: UST Global

  Period: December 2022 - September 2023

  Role Description:

  • Worked on New Store Setup or Legacy System for Migration.

  • Running different Mainframe transactions using Micro Focus Reflection – IBM 3270 Terminal

  • Validating Mainframe Transactions for new stores Grand Opening / GO Live

  • Create Playbook to run different Mainframe transaction and documenting the process.

  • IBM Spectrum Protect / TSM (Tivoli Storage Manager) Server and Client installation and configuration.

  • Root cause analysis and maintaining escalation policy and alerting same through Service-Now or Matters.

  • Working and collaborating with different project teams for each product migration or decommission

  • Decommission of legacy servers and New Store Setup and validating mainframe transactions.

  • Good in file-system management, disk management, disk utilization, service management, device management and memory management.

• Job Title: Snr Windows Systems Administrator

  Company: Carbonite Inc

  Period: July 2019 - November 2022

  Role Description:

  • Working with other departments and outside vendors to design and seamlessly implement any production change required for Doubletake (DT).

  • Expert in High Availability concepts and configuration including failover/failback testing.

  • Using Doubletake replication tool to protact data from server to server,

  • Using Doubletake migration tool to migrate data across different VRA.

  • Replicating new issues in my personal sand box and finding solutions to them by working with development team

  • Use ansible playbook to deploy docker image and automate server deployment on Centos 6,7,8 and Ubuntu servers.

  • Rolling out new fixes and improved version of Doubletake Migrations and server replications

  • Ensuring changes have no customer impact, or the smallest impact possible given the constraints of the implementation, to the overall production system.

  • Creating and maintaining preventative maintenance schedules for any given system element.

  • Providing 24/7 ‘tier3’ on-call support of systems and services for which you are the Subject Matter Expert

  • Deploying new production servers/devices fully configured and completely production ready into the production network.

  • Providing documentation for all new design implementations engineered from within the group or assist in documentation for projects jointly engineered with other departments.

  • Managing support-request tickets to meet or exceed metrics.

  • Develop and maintain production server and service documentation.

• Job Title: Linux Systems Administrator

  Company: IBM

  Period: November 2018 - June 2019

  Role Description:

  • Installing, configuring, supporting & maintenance of Red Hat Linux 5.x / 6.x / 7.x

  • Configuring & Implementing Configuration Management Tools: Chef & Puppet

  • Strong Experience in Backup, Job Scheduling, Disk Management, Logical Volume Management (LVM), Logical Partitioning and troubleshooting network problems.

  • Support for Tripwire security auditing, incident handling, Tripwire security implementation, Anti-virus implementation, user access, disaster recovery and documentation.

  • Experience on Installation of VMware ESX, ESXI migration of vm's from one host to another host and from one data storage to another data storage, Patch management.

  • Worked on OS migrations, upgrade, BIOS and NIC firmware upgrades. Expert in Patch and Package Installation and firmware up gradation.

  • Worked on New Store Setup or Legacy System for Migration.

  • Running different Mainframe transactions using Micro Focus Reflection – IBM 3270 Terminal

  • Validating Mainframe Transactions for new stores Grand Opening / GO Live

  • Installation and upgrade of Software and Patches, configuration mgmt, version control, service pack and reviewing connectivity issue regarding security problem.

  • Enabling Cron jobs and scripts to automate tasks required for optimizing operations.

  • Good in file-system management, disk management, disk utilization, service management, device management and memory management.

  • Experience in Installing Firmware Upgrades, kernel patches, systems configuration, performance tuning on Unix/Linux systems.

  • Good understanding of OSI Model, TCP/IP protocol suite (IP, TCP, UDP, SMTP, FTP, and TFTP).

  • Installed RPM packages on Red Hat Linux Servers, updated with the help of YUM and Update

• Job Title: Snr Linux/Windows Administrator

  Company: Bayer

  Period: February 2022 - August 2022

  Role Description:

  ● Administer and maintain server hardware and software using RedHat Enterprise.
  ● Provide comprehensive support for Microsoft Windows Servers, MS SQL, and
  File Servers.
  ● Ensure ongoing reliability, performance, and support of infrastructure services,
  including monitoring operating environments, incident response, problem
  resolution, and planning for growth.
  ● Demonstrate a high degree of creativity and autonomy in addressing challenges
  and enhancing infrastructure.
  ● Automate tasks such as cron jobs on Linux servers and schedule tasks on
  Windows servers for enhanced operational efficiency.
  ● Install and configure Nagios CheckMK to monitor production, test, and lab
  environment
  ● Collaborate with development and operations teams to integrate security into the
  DevOps pipeline.
  ● Communicate industry best practices, including OWASP Top 10, to development
  and engineering teams for enhanced security awareness.
  ● Coordinate the implementation of security testing, vulnerability scanning, and
  code analysis tools and processes.
  ● Conduct thorough reviews of code-based vulnerability assessments and prioritize
  the remediation of identified issues. 

• Job Title: Operations Manager

  Company: Kay Express

  Period: May 2016 - September 2021

  Role Description:

  ● Built, wrapped, sorted, and transported pallets and packages, showcasing

  versatility in tasks.

  ● Engaged in various physical activities, including standing, walking, pushing,

  pulling, squatting, bending, and reaching during shifts.

  ● Effectively used carts, dollies, hand trucks, and other gear for item movement

  within the warehouse.

  ● Navigated stairs as required, demonstrating adaptability to different working

  conditions.

  ● Worked around moving machines, including order pickers, stand-up forklifts,

  turret trucks, and mobile carts, ensuring a safe working environment.

  ● Demonstrated resilience in activities that required standing in one place for

  extended periods, walking, or climbing stairs.

  ● Collaborated with the team to prioritize and organize inventory for easy accessibility.

  ● Utilized technology like smartphones and handheld devices for sorting, scanning, and

  preparing orders.

  ● Followed prompts on screens for various tasks, ensuring a systematic workflow.

  ● Built, wrapped, sorted, and transported pallets and packages, showcasing versatility in

  tasks.

  ● Effectively used carts, dollies, hand trucks, and other gear for item movement within the

  warehouse.

  ● Navigated stairs as required, demonstrating adaptability to different working conditions.

  ● Engaged in various physical activities, including standing, walking, pushing, pulling,

  squatting, bending, and reaching during shifts.

  ● Played a key role as the Shipping Requestor for shipments supporting External

  Manufacturing operations.

  ● Executed shipping documentation requirements for shipments to and from Contract

  Manufacturing Operations (CMOs).

  ● Planned and coordinated shipments, including IDS, DP, samples, etc., based on a

  thorough understanding of the External Manufacturing filling schedule.

  ● Managed temperature data receipt and ensured its acceptability for shipping.

  ● Maintained, updated, and provided status reports on External Manufacturing

  activities through schedules and checklists.

Education:

• University of Benin

  Bachelor's Degree – Business Administrator

  Period: April 2009 - November 2012