Bouba Hammadou

Bouba Hammadou

Email:***************@*****.***

Mobile no. +1-240-***-****

Linux Systems Administrator

With over 6+ years of experience as a Linux Engineer, possess a strong skill set in analyzing, troubleshooting, Maintaining, implementing, testing, and deploying systems and networks in a wide range of heterogeneous Environments. Experienced in Linux systems administration with a strong background in deploying and managing Infrastructure in diverse environments, including on-premises data centers and cloud-based setups. Proven ability to handle high-pressure situations and adept at executing complex tasks with efficiency. Well-versed in documentation and communication practices, crucial for maintaining collaborative efforts and ensuring project success. Summary:

Experienced in managing applications on Red Hat, CentOS, and Oracle Linux.

Manage Linux packages using RPM and YUM.

Proficient in configuring AWS EC2 instances.

Identified and resolved critical performance bottlenecks, improving response time and reducing system downtime.

Analyze Ansible for Automation/Configuration Management.

Proficient in deploying and configuring Red Hat environments.

Optimized inmonitoring, troubleshooting, analyzing and documenting critical issues.

Facilitated 24/7 production support for servers.

Experience managing Virtual Memory and Swap Space on Linux systems.

Configured NFS for efficient network file sharing. Skills:

Operating System RHEL/CentOS, Debian Ubuntu, SUSE Enterprise, Oracle Linux, Winodws Languages: Yaml, Bash

Disk Management Raid Levels, Logical Volume Management, Disk Volumes Hardware HP ProLiant, Dell PowerEdge, IBM Power Systems, Cisco Switches Protocols SMTP, SNMP, ICMP, TCP/IP, FTP, TELNET, UDP & ARP Virtualization VMware ESX Server, VMware workstation, VirtualBox, KVM Servers. Network Services DHCP, DNS, TCP/IP/VLAN, LDAP, UDP Ticketing System ServiceNow, BMC Remedy, Track-it

Application Server SSH, Apache Tomcat, FTP, NFS, Samba, TFTP, Nagios, Cloud Technologies Amazon Cloud Services – EC2, S3, VPC, IAM Professional Experience:

Linux Systems Administrator

Wawanesa Group Nov 2020 to Present

Enached ServiceNow as a ticketing system for handling Incident and Change Management tasks.

Perform server provisioning, setup, and configuration of Oracle Linux & RHEL 6/7/8/9.

Deploy Oracle Linux & RHEL 7/8 servers on-premises within VMware 6.7 infrastructure.

Deploy Oracle Linux & RHEL 7/8 servers on the AWS Cloud platform.

Create VMs in AWS, allocate Hard Disk, and configure Network interfaces adhering to network security policies.

Conduct regular maintenance of Linux Servers, keeping up-to-date by applying OS patches.

Add and manage hard disks within the Logical Volume Manager (LVM) setup.

Install and configure monitoring tools, including Nagios, Icinga, and Grafana, to ensure comprehensive monitoring and security for Linux server environments

Enhance Linux server security through firewall configuration and modification of configuration files as part of the hardening process.

Conducted monthly patching of Oracle Linux & RHEL 7/8 in Test/Production environments to ensure reliability and security.

Implemented redundancy and backup strategies for VMs, including snapshots before updating systems' OS and firmware.

Conducted regularmaintenance of Red Hat Satellite servers in compliance with vendor standards.

Troubleshot HTTP web servers, making configuration file edits to suit the specific environment. Linux Systems Administrator

Verizon Wireless Systems Aug 2017 to Oct 2020

• Pioneered the implementation of YUM and RPM for streamlined package management, encompassing installation, updates, and deletion on Linux Servers.

• Effectively addressed system performance challenges linked to CPU, memory, and disk utilization, ensuring optimal server functionality.

• Proficiently managed and secured RHEL servers (versions 5-8), demonstrating troubleshooting expertise across a vast network of 1000+ Linux servers.

• Utilized Nagios monitoring tool for meticulous system performance monitoring, ensuring preemptive issue identification and resolution.

• Demonstrated proficiency in provisioning VMs on VMware ESXi hosts within virtual environments.

• Provided valuable application support and maintained open communication with clients to promptly resolve issues.

• Successfully resolved SSH access and domain group/domain addition issues, contributing to a seamless user experience.

• Scheduled Cron Jobs for efficient system metric collection and periodic task automation.

• Employed ServiceNow for meticulous change management support analysis.

• Orchestrated Apache web server network management, including DNS and DHCP configurations on Linux servers.

• Executed application and OS upgrades with minimal downtime, implementing effective rollback plans in case of boot failures.

• Proactively provisioned and configured EC2 instances on AWS cloud utilizing IAM, S3, and CloudWatch.

• Spearheaded day-to-day Linux server troubleshooting and system administration, resulting in a 25% decrease in system downtime and ensuring continuous availability of critical services.

• Administered diverse environments, overseeing 50 servers across production, development, quality assurance, and disaster recovery, leading to a 30% reduction in system errors and interruptions.

• Consolidated administrative task documentation, including backup procedures, to enhance task efficiency and facilitate the onboarding process for new team members. Education :- Bachelors complete in 2026.

Certifications

Comptia Linux +

Comptia Security +

LPI Linux essentials Certification

AWS Solutions Architect Associate Certification

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