Management Systems Administrator
Resume:
DANIEL ADU-BRAFO
********@*****.***
Certifications
Red Hat Certified System Administrator (RHEL 7)
Certificate number: 160-086-336
Education & Training
Red Hat Linux Training
Virginia Commonwealth University, BS in Biology
SAS Training
Elastic Core Operations Training
AWS Training
Qualifications
Linux administration experience in a large network environment
Solid understanding of file system management
Strong understanding of user account management
Solid understanding of YUM and RPM
Good experience using Chef to deploy code on Linux and Windows systems
Well organized with strong problem-solving skills, good communication and an ability to work on team or independently
Experience in writing shell scripts to collect the system performance information, account information, remote logging for root password changes etc
Good knowledge of managing application servers like Apache, Tomcat and JBoss
Strong experience with monitoring tools like Elastic, Splunk, Nagios XI, New Relic, Zabbix
Experience in writing Chef recipes to perform various system tasks
Good knowledge of configuring Nagios to monitor system resources
Expertise in GitHub for version management
Hands on experience in automation and configuration management Chef
Proficient in Unix Shell Programming, sed, awk
Good understanding on Cloud services like EC2, VPC, ELB, Auto-scaling, IAM, CloudWatch, CloudTrail, CloudFormation, S3, Elastic IP’s, and managing security groups on AWS
Technical skills: Linux Distributions (Red Hat, CentOS), Monitoring tools (New Relic, Splunk, Zabbix, SolarWinds, Nagios XI), Marklogic, F5 Load balancing, Pagerduty, Ticketing systems (HEAT Ticketing system, ServiceNow, CALT), DUO Mobile, JIRA, Nessus Security Center, Elastic stack, Symantec Endpoint Protection, AWS, OpenVPN, Chef, JBoss, Tomcat, Shell scripting
Professional Experience
Accenture Federal Services, SADC December 2016 – Present
Linux Systems Administrator
Assisted in attaining and maintaining FedRAMP authorization
Experience installing and configuring Elasticsearch, Logstash and Kibana to manage logs
Managed user accounts using Windows AD
Automated patch deployment using Chef on local infrastructure
Support 24/7 high availability production servers
Configured highly available systems using launch configurations and auto-scaling groups in AWS
Experience configuring AIDE to check filesystem integrity
Configured OpenVPN for user authentication with Windows AD
Support applications running Java, Tomcat, JBoss
Configured Symantec EPP as IPS/IDS solution on all systems
Improve automation through scripting enhancements
Installed and configured OSSEC to monitor Linux and Windows OS
Written and developed shell/Perl scripting for application performance and system maintenance
Installed and configured ZAProxy to scan web servers
Installed and configured ManageEngine ADSelfService Plus for users to reset passwords and unlock accounts
Worked on automating the environment using configuration Management tool Ansible
Configured Nagios to monitor the health of servers
Configured CloudTrail and CloudWatch to monitor AWS account logs and instances
Configured AWS IAM roles, S3, VPC, EC2, Security Groups, CloudFormation
Performed compliance and vulnerability scans of all systems using Nessus
Resolved Nessus vulnerabilities findings to stay compliant with FedRamp
Camber Corp., San Antonio, TX January 2016 – December 2016
Linux Helpdesk Analyst
This is a project for the Administrative Office of the US Courts support division. We support CM/ECF users and their servers. We also support court personnel with remote access authentication, logging using Splunk, FAX and IPT systems.
Checked alert logs, trace files and file system maintenance
Performed patching and various kinds of upgrade
Controlling the system logging services, and examining system log files of all system events
Password configurations and process monitoring
User management, creating and managing user account, groups and access levels
Monitored system performance of virtual memory, swap space, disk utilization and CPU utilization
Configured IP Telephony phones
Improved logging for servers using Splunk
Supported applications running Tomcat
Supported remote access authentication using DUO
Investigated and troubleshot remote access authentication for users
Investigated and troubleshot Active Directory issues for users
Investigated and troubleshot server slowness issues
Accenture Federal Services, Reston VA April 2015 – October 2015
Linux Systems Administrator/Team Coordinator
Originally hired as a Linux Systems Administrator responsible for file system support and maintenance as well as basic Linux OS patching. I was also later given the position of Team Coordinator to coordinate meetings and make sure everyone on team is working to meet their deadlines.
User management, creating and managing user account, groups and access levels
Performed daily health check of the environment
Monitored the servers in the environments using New Relic
Post-provisioning and certification of servers
Processes administration like monitoring, start/stop/kill various processes/sub process
Installed, upgraded, queried and removed software packages using RPM and YUM
Maintained file systems; checked and repaired file systems and monitored file system usage
Configured F5; added pool members, virtual servers
Submitted/implemented CALT tickets in IMPL and PROD
Coordinated daily action items meeting
Wrote and maintained technical documentation for project
Maintained an accurate record of all the tasks being performed by the team
Set up Pagerduty to reflect on-call schedule
Participated in Gluster to NFS cutover
Participated in DR environment set up
9-Solutions, Inc., Largo, MD April 2012 – March 2015
Linux Systems Administrator
9-Solutions provide reliable technology services to our valuable clientele.
Installation, configuration and maintenance of Red Hat Linux servers
Managed system processes and scheduling processes with the cron utility
Checked alert logs, trace files and file system maintenance
Installed and maintained Linux and third-party software
Performed patching and various kinds of upgrade
Created mount point for DBA team and supporting various database implementations
Implemented ACL on Red Hat Linux servers
User management, creating and managing user account, groups and access levels
Monitoring system performance of virtual memory, Managing swap space, disk utilization and CPU utilization
Created, managed and troubleshot Red Hat LVM
Disk configuration and file systems management
Contact this candidate