SHELLA KARANGWA

vskleon@gmail.com

(240) 675­7260

CAREER PROFILE

Cloud systems administrator offering over four years of experience in Linux operating system

administration, user management, and software configuration; Experienced in supporting and maintaining

AWS cloud resources including S3 buckets, launching , and troubleshooting EC2 instances, Elastic Load

Balancers, RDS databases, Open Source application installation, deploy code via Git , instance

monitoring via Nagios.

TECHNICAL SKILLS

Operating Systems:

Networking:

Software:

Databases:

CMS:

Scripting Language:

Cloud:

Server Automation:

Monitoring:

Red Hat, Cent0S, Ubuntu, Amazon Linux,

Route 53, TCP/IP, Firewalls, VPN, Routing

Apache, JIRA, Confluence, LAMP

MySQL, MongoDB

Drupal, WordPress

Bash, PHP

AWS (EC2, S3, EBS, ELB, RDS, EBS, Cloud Formation, IAM, Route

53, VPC, Amazon RDS)

Ansible

Nagios, CloudWatch

PROFESSIONAL EXPERIENCE

Ricoh USA

Present

Mid­Level Cloud System Administrator

• Responsible for building and improving the dependability and performance of cloud applications

and cloud infrastructure deployed on Amazon Web Services

• Provide operations and maintenance support for several public facing websites

•

Install and configure Apache, Nginx, Drupal, and WordPress on Ubuntu and Amazon Linux

instances

January, 2013 –

• Run CloudFormation scripts at the direction of developers to launch AWS Infrastructure and

resources

• Launch and configure mySQL and MongoDB server instances on both EC2 classic and RDS

• Create and attach volumes on to EC2 instances

• Support existing server infrastructure in a 24x7 on­call escalation capacity as part of a team

rotation

• Perform software and infrastructure installations, user management, and AMI backups via

Ansible playbooks

• Perform system monitoring using Nagios and CloudWatch

• Participate in change management on JIRA

• Deploy code via GIT

•

Install and configure LAMP application stacks

Ricoh

January, 2013

Linux System Administrator

•

February, 2012 –

Installed Red Hat Linux using Kickstart and applying security polices for hardening the server

based on the company policies

• Created and cloned Linux Virtual Machines, templates using VMware

• Performed capacity analysis, monitoring and controlling disk space usage on systems

• Monitored system activities and fine­tuned system parameters and configurations to optimize

performance and ensure security of systems

• Designed firewall rules for new servers to enable communication with application

• Organized network environments using TCP/IP, NFS, DNS, VSFTP

• Created user and group login ID's, printing parameters, network configuration, password,

resolving permissions and access related issues via ACL

• Create and attach volumes on to AWS EC2 instances

OCE Business Services Inc.,

2010 – January, 2012

System Administrator

• Troubleshot hardware and OS problems including performance tuning

• Deployed and maintained critical Linux based web and application systems to ensure maximum

uptime, security and efficient operation

• Documented operating and deployment procedures for other team members to follow

• Created and managed users on Linux and Active Directory

December,

•

Installed and configured LAMP application stack

• Performed OS and application hardening

• Participated in change management on JIRA

• Performed backups and recovery as well as disaster recovery procedures

University of Baltimore, Baltimore, MD

November, 2010

IT Help Desk Support

•

February, 2009 –

Installed, tested and configured new workstations, peripheral equipment and software

• Regularly monitored and performed troubleshooting and updating on machine

• Monitored service desk for tickets assigned to the queue and processed first­in first­out based on

priority

• Modified configurations, utilities, and/or software default settings for the local workstation

• Utilized and maintained the helpdesk tracking software

• Assisted with onboarding new users

• Ensured that each workstation has a computer, monitor, keyboard, mouse, hard drive, and any

additional specialized equipment

• Performed timely workstation hardware and software upgrades as required

• Assigned users and computers to proper groups in Active Directory

• Managed PC setup and deployment for new employees using standard hardware and software

EDUCATION

• Bachelors of science , Health Systems Management , University of Baltimore

2014