Momo Massaquoi
Germantown,MD
Summary
Linux systems administrator with 5 years of experience designing and implementing a server infrastructure and data-center operations across Unix, Linux and Vmware platforms. A passionate technologist with a strong desire for personal growth. Automation enthusiast with strong scripting skills. Skilled problem identifier, troubleshooter comfortable managing systems, projects and teams in a range of IT environments.
Overview
12
12
years of professional experience
Work History
Linux System Administrator
JTF Business Systems
10.2016 - Current
- Installed, configured, and maintained services such as DNS, DHCP, NFS, Apache Web Server, Samba, SSH, RPM and YUM Repository.
- Extensively worked on hard disk mirroring and stripe with parity using RAID controllers.
- Worked with DBA's, Networking Team, and Developers to resolve their daily issues.
- Performed standard system administration tasks such as troubleshooting and problem resolution, patching, installing packages using rpm and yum, drivers, software and hardware upgrades.
- Used Puppet tool for managing system configurations, creating and push profiles to new servers.
- Performed automated installations of Operating System using kickstart for Red Hat Enterprise Linux /6/7.
- Wrote shell scripts for various system tasks such as back-ups, collecting and sorting logs, installation and monitoring.
- Configured iptables firewall and hardening Linux systems for system security.
- Managed disks and file systems using LVM.
- Administered Nagios monitoring tools for servers monitoring and incident alerts.
- Monitored performance of servers using tools such as sar, top, free, vmstat, iostat, traceroute, etc.
- Monitored and maintained the disk space and backup systems, and implemented change controls, capacity planning and growth projections on the systems.
- Performed troubleshooting existing user accounts, security objects and authorizations to resolve security conflicts by creating sudo rules, supporting users, setting up new accounts and password resets.
- Involved in daily incident management and resolved the day to day problems raised by the users and incidents which are logged by Event monitoring system.
Linux System Administrator
Xerox Business Solutions
11.2012 - 10.2015
- Performed standard system administration tasks, Installation of OS using kickstart from Standard build, patching, software installation and hardware upgrades, troubleshooting and problem resolution.
- Setup and maintained Nagios monitoring for monitoring servers and application.
- Setup the yum repository in the server, upgraded the repository by appropriate patching and installing software packages and services using yum and rpm as required.
- Setup and maintained domain name system servers.
- Performed day to day Linux administration tasks such as user account management, directory services, file system sharing and permissions.
- Utilized logical volume manager and swap to create, modify, delete file systems.
- Optimized system and application performance using techniques like shutdown, reboot, start and stop services and tools to identify performance issues and solutions.
- Edited system configuration files: network settings, kernel parameters, service configuration files, cron.
- Loaded and unloaded modules as requirement in the Kernel and made them persistent to boot by making appropriate changes.
Education
Bachelor of Science - Computer Engineering Technology
University of The District of Columbia
Washington, DC06.2015
Skills
- RHEL 5/6/7, CentOS 6/7, Fedora and Ubuntu
- AWS: EC2, S3, Elastic Load Balancer, Route53
- Managing system configuration with: Ansible, Puppet
- Scripting: Bash, Python
- Storage environments: SAN, NAS, LVM, RAID MySQL, LAMP, HAproxy load balancer
- Server Management: DNS, DHCP, NFS, Apache Web Server, SAMBA, FTP
- Backup systems: Netbackup, rsync, tar
- Deep understanding of networking: Iptables, Firewalld, TCP/IP, UDP, DHCP Dovecot, Postfix, Thunderbird, SMTP
- Troubleshooting: top, free, ping, tcpdump, ssh, telnet, netstat, traceroute, sar and nc
- Strong knowledge of Virtualization systems: VMware ESXi, vSphere Client, vMotion, KVM
- User administration: LDAP, Kerberos
- Excellent knowledge in system security hardening: SELinux/ACL and chroot etc
- PROJECTS_ ________________________________
- Web Server Load Balancing Systems
- Domain Name Resolving Systems
- Disaster Recovery Netbackup
- Database Installation and Setup
Skills
account management, Apache Web Server, Backup, Bash, capacity planning, hardware upgrades, Client, DBA, Database, DHCP, Disaster Recovery, domain name system, DNS, drivers, E-mail, firewall, FTP, LAMP, LDAP, Linux, Linux administration, Managing, MySQL, Enterprise, NAS, NFS, network, Networking, OS, Operating System, problem resolution, Python, RAID, Red Hat, requirement, SAMBA, SAN, SSH, servers, shell scripts, Scripting, SMTP, installing software, software installation, sorting, system administration, system configuration, TCP/IP, telnet, Troubleshooting, Netbackup, Web Server
Timeline
Linux System Administrator
JTF Business Systems
10.2016 - Current
Linux System Administrator
Xerox Business Solutions
11.2012 - 10.2015
Bachelor of Science - Computer Engineering Technology
University of The District of Columbia
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