Godfred Ajonko
***** ****** ****** **, ***** Dale, Md, 20769
*******@*****.***
Objectives : Well determined Linux system Administrator with knowledgeable background in a wide variety of systems support and solution based IT services. Virtualization skills in Microsoft Hyper-V, Citrix XenApp and XenDesktop, Microsoft Office 2016, Microsoft 365, Microsoft server 2016, Microsoft Windows 7,8 and 10, Microsoft Exchange and VMware ESX 5.x and vSphere 6. x. Goal oriented individual with very focus mindset on any given assignments, team player, always prepare to solve challenging task and always open to learn new skills.
Technical Proficiency and Expertise:
Creation and deploying new servers
Files System Management,
Account management,
Patching and troubleshooting.
Scheduling jobs with Crontabs
Creating shell scripts with Bourne shell[sh] and Bourne Again shell[bash]
Servers/Services: NFS, SSH, Telnet, Tomcat, Apache, DNS, Nslookup, Netstat, Nagios, TCP/IP, FTP, McAee virus scan, Puppet, VI,VIM Editor and gedit,
SELinux Policies and DHC (Discretional Access Control)
Performing, Monitoring, Configuration, Maintenance and Management.
Operating Systems: RHEL 6&7 and CentOS 7
Hardware: HP ProLiant, Blade servers, Dell R910, R810, R710, R610
Software: Microsoft 365, Microsoft Office 2016, Web and Application Server, Tomcat, Apache, Oracle Sql,
Knowledge of DISA STIG
Partitioning, formatting and mounting Partition
Linux Volume Management (LVM)
Luks
Load balancer configure and implementation.
Virtualization experience in Microsoft Servers 2012R2, Citrix VDI, VMware (ESX 4.x, 5.x) and Window 10.
Summary of Qualification:
Linux System Administration working on Redhat Linux, Cent OS, and Window environments.
Experience in Installation, Configuration, Maintenance of Linux.
Experience upgrading and configuring RedHat 6&7 using Kickstart Servers and Interactive Installation.
Worked with Database administrators to tune kernel for Oracle installations.
Experience in Creation and managing user accounts, security, rights. Disk space and process monitoring in RedHat Linux.
Experience in configuration of NFS. DNS, LDAP, HTTP, DHCP, FTP, Nmap, trace route, ping, remote access, and security troubleshooting skills.
Experience in scheduling jobs and administrative task using crontab.
Creating Linux Virtual Machines using VMware Center.
Strong written and oral communication skills
Leadership Skills
Excellent Interpersonal Skills
Responsible and committed to work
Able to perceive and find solution to challenging problems
Able to withstand hectic and responsible jobs
enjoys solving problems and taming complexity
A high level of energy, commitment and the ability to combine keen strategic sense with enthusiasm
A great team player with good inter-personal skills and ability to relate to all manner of persons
Willingness to adopt and manage change
Experience on Web servers such as Apache Server 2.4, and Tomcat 8.
Experience in administering VMware Infrastructure Client 3.5 vSphere 6.5
Experience in Installation and Creation of Oracle database.
Professional Experience:
Master Security LLC January 2013 - Present
Linux Administration
Experience administering, installing, configuring and maintenance of Linux.
Experience installing, upgrading and configuring RedHat 6&7 using Kickstart Servers and Interactive Installation.
Responsible for creating and managing user accounts, security, rights, disk space and process monitoring in Solaris, CentOS 6&7 and Redhat 6&7 Linux.
Configures DNS, NFS, Putty, SSH, LVM, FTP, remote access, and security management.
Installs, upgrades and manages packages via RPM and YUM package management.
Installs Firmware Upgrades, patching, systems configuration, performance tuning on Unix/Linux systems medium environment.
Installs, configures and supports Apache, Tomcat on Linux production servers.
Manages Patches configuration, version control, service pack and reviews connectivity issues regarding security problem.
Ticketing implementation using Remedy.
Create, extract and compress and archives using gzip, gunzip, tar -Cvpzf, Scott and Rsync.
Manages systems routine backup, scheduling jobs and enabling cron jobs.
Administers VMware Infrastructure Client 3.5 and vSphere 6.5
Install, configure and implement XenApps, Xendeskop, Storefront and Citrix presentation farm. Managing user profiles in Group Policies in Active Directory.
VMware ESXI 5x, vSphere, vCenter, vMotion, update manager, VMware High Availability, VMware Distribution Resource scheduler, Cloning VM’s, vRealize. Vswitch.
Managing files(FTP), NFS, Volume Management, High Availability(Raids), AWS and SElinux implementation.
4xCom, LLC December 2012– January 2014
Citrix Administrator
Designed a Citrix XenApp Farm on XenServer using Citrix Provisioning service
Designed the Citrix architecture to deploy functionality to Client's user community, including Presentation
Server and Access Manager. Work with Citrix across varying versions (XenApp 7.8, 6.5, XenDesktop 7.0,7.6).
Installations or upgrades related to Citrix and Terminal services.
Installed and administered Citrix products Studio, Storefront, Licensing server, Delivery controller and Citrix Director.
Management Services, Resources Management Services, Secure Gateway Services.
Managed the AD, Citrix Farm, and other core business systems.
Built Citrix Presentation Server Farms to provide access to the most critical company applications for remote
. Understanding Sand,CIFS, NetApp and DFS Storage environment
Users and installed, monitored, and configured Citrix Secure Access Gateways
Installed Citrix XenApp 6.5 on VMware Servers. Configuration of Citrix migration work 4.5 to 6.5, PVS 6.1
Perform integration of current Windows 2003, 2008 to Windows 2012R2.
Directory, policies and roaming profiles.
Responsible for administering and supporting Citrix server environment on Windows Server 2003/2008/2012R2 and XenApp 6.5 to XenDesktop 7.9
. Support 4000 customers a day with Stream VM’s using Provisioning Services
Responsible for Terminal server builds and Citrix XenApp server deployments in both Physical and virtual environments.
Monitored Citrix server's health by using Citrix Edge Sight.
Developed Virtual apps for in-house client server applications through Citrix Streaming profiler 6.5/6.0/5.2, window server 2008 to 2012R2 and Software: Norton Utilities; Anywhere; McAfee; Remedy 7.0/6.0; Email (Microsoft Exchange)
Implemented Quarterly patches to the servers suggested by Microsoft and RedHat
Develop and maintain standard operating procedures for Citrix Environment
Prepare Technical performance utilization report, procedure and general Server virtualization health system.
Provide escalation of suspicious activity to the IT security incident response team
Assist in the design, development, testing, implementation and documentation of new software and enhancement of existing application.
Citrix VPN with integrating App-V Publishing.
Managing, maintaining, Monitoring, and securing including data security of all Health system servers including installations, upgrade, patches and documentation of all servers.
Implement Xendesktop hosted, shared desktop and Window applications
Implement hosted, Personal, persistent desktop for VDI.
Servers, VMware, XenServer, Xendeskop Installation and troubleshooting
Deployment and using Citrix Receiver and integrate with Citrix Online (go to Meeting, Webinar and training). Manage Password option, exporting file and implementing receiver for Web.
Implement and manage Delivery Controllers, Managing User Profiles in Active Directory. Authentication, Configure Trusted Domain, Group Policies, DNS, DHCP, TCP/IP, Netscaler implementation, HA (Mirroring, Clustering, Hypervisor HA and SQL database)
Citrix XenMobile MDM: Enrollment and configurations of tablets and mobile devices. Installing Citrix Certificate, receiver and other applications. Troubleshoot and securing XenMobile devices by providing personal codes and performing complete wipe and factory restored of devices.
NCR Corporation March 2004 - December2012
Field Techician
My responsibilities included designing and configuring LAN and Uplinks for new offices, acquiring and installing the right Operating Systems (OS) and Application system software for various departments, banks, offering effective network administration which also included managing user accounts and mailing lists, repairs and installation of PCs and peripherals.
Achievements:
•Played a major role in the transformation of analogue character generation systems to digital using simple PCs.
•Installed and configured Microsoft server 2008R2 and then later
•Designed extended network connections to newly created offices.
•Assembled and installed High - end Video and sound editing Computers.
•Ethernet (phone and network) and coax installation and termination.
•Software installation and upgrade to commercial banks in Southern Maryland
Educational Background:
Bachelor of Science – Computer Network.
Strayer University Washington DC
Certifications:
Certified CCA/CCP Virtualization
Security Clearance
Public Trust
References:
Available upon request