Summary
Overview
Work History
Education
Skills
Tools Applications
Certifications Education
Core Competences
Personal Information
Timeline
OfficeManager
Rebecca Boateng

Rebecca Boateng

Upper Marlboro,MD

Summary

Dedicated System Engineer adept at cultivating long-term partnerships with vendors and clients. Expertise includes installing, configuring and monitoring complex systems and infrastructures. Offering successful career history comprising more than 10 years.

Overview

10
10
years of professional experience

Work History

Linux/AWS Systems Engineer

Department of Health and Human Services - Administration for Children and Family
2019.10 - Current
  • Monitoring on all Linux Systems and work to resolve complex issues in the Linux environment using Nagios application
  • Administer efficient work of Linux servers and systems and provide support to everyday operations
  • Installation of Nagios for monitoring and SSL Certificates on Linux
  • Remediate vulnerabilities on Linux servers and in Application and Network Load Balancers
  • Deploy latest repository branches using Git for Linux servers
  • Identifies technical architecture, data risks and inefficiencies
  • Create Security Groups, Auto Scaling groups, Target and Tags in AWS environment
  • WebLogic Oracle Patching and WebLogic Installation on Linux servers and troubleshooting
  • Migrate subnet to another instance
  • User account management and troubleshooting on servers
  • Create IAM users, user groups, roles and policies for users
  • Create Load balancers for some application systems
  • Create Log files sharing using CloudWatch in AWS environment
  • Performance monitoring on Linux servers and Nagios monitoring
  • Build new servers in AWS using CloudFormation
  • Build new servers in VMware environment
  • Create AWS WAF & Shield to protect web applications
  • Create Network and Application Load Balancers
  • Application deployments using AWS CodeDeploy, CodeCommit, CodePipeLine for Drupal content management and WebLogic deployment for some servers in VMware
  • Troubleshoot SFTP data file submission and CyberFusion/MFT data file submission issues
  • Application installations and Configurations (WebLogic, Splunk Forwarder, Tomcat, Apache, Tableau)
  • Install TIBCO/MFT on server for users to transfer files to our servers
  • Work with Security team on SSP, POA&M, PIA and vulnerability remediation
  • Decommission Development, Staging and Production servers
  • Monthly patching for Development, Staging and Production environments and WebLogic patching
  • Setup AWS Transfer Family for users to submit SFTP files to S3
  • User and service account access management, grant permissions, create credentials to allow SSH into servers
  • Setup CyberFusion/MFT and SFTP account on vmware servers
  • Installation of CrowdStrike, Tomcat and Apache on Linux servers
  • Linux File System and Logical Volume Management, adding disk, memory, swap management and Network File Sharing(NFS)
  • Linux server migration from RHEL5 to RHEL7 and RHEL6 to RHEL7
  • Troubleshoot Linux servers, work on Incident tickets and Root Cause Analysis(RCA)
  • Works with the client's internal and external projects (programs), IT and Business SMEs to depict Business / IT process relationships, delivery and improvement
  • Train new employees about our environment and system
  • Assign daily tickets to colleagues.

LINUX/AWS SYSTEMS ADMINISTRATOR

United States Census Bureau MD
2018.11 - 2019.05
  • Incidents, Troubleshooting and Server Management
  • Fixes volume issues across multiple servers
  • Implements volume management for filesystems/Windows Drives based on requirements
  • Troubleshooting user access issues when they are unable to reach/communicate with servers
  • Proactively troubleshoots server resources issues as they appear on monitoring dashboards
  • Operating System patching using Tanium
  • Performs Tier-3 troubleshooting for tickets that has been assigned to my team’s queue
  • AWS Cloud management
  • Creating and Managing Group Policy Objects(GPOs) and troubleshooting
  • Controlling users and workstations with Group Policy
  • Backup and restore Group Policy objects in Active Directory
  • Shrinking and extending volume in Windows Server
  • Creating User Accounts, resetting user passwords and unlock user accounts with Active Directory
  • Disabling and Deleting User Accounts with Active Directory
  • Manages EC2 instances based on user needs
  • Creating snapshots and querying snapshots
  • Interfacing with Amazon based on the need for our AWS GovCloud Resources
  • User Access Management (manages user account via Microsoft AD
  • Grants, removes or modifies user’s access based on requests
  • Grants users access to approved security groups
  • Manages objects within different OUs
  • Create Service accounts based on requirements and assigned them to appropriate groups
  • Monitoring (Monitors over 6000 endpoints leveraging multiple monitoring tools
  • Monitors server performance/resources (CPU, Memory, Swap, Filesystems, etc) using SolarWinds
  • Monitors application performance and agents availability using AppDynamics, SolarWinds and Oracle Enterprise Manager (OEM)
  • Monitors network devices across multiple regions using SolarWinds
  • Ensure proper security, monitoring systems, alerting and creating incident for proper triage
  • Coordinate incident bridges based on severity
  • Attend to customers via call to help resolve their issues
  • Data center walkthrough to identify issues with on-prem servers and devices
  • Re-seating devices on servers, as well as changing memory/disks per recommendation
  • Work with vendors to resolve escalated issues
  • Creates Knowledge Based Articles (KBA) to documents working processes.

Linux System Administrator

PNC Bank, PA
2014.04 - 2018.08
  • Experience with Logical Volume Management(LVM) and Zettabyte File System (ZFS) on Solaris 10
  • Configure and implement Solaris Zones
  • Security Administration by using Sudo
  • User Accounts Management, granting permissions and creating credentials to allow SSH into servers
  • Participate in after-hours maintenance activities
  • Decommission of Servers on Solaris, Redhat
  • Monthly Patch Management
  • Performance monitoring on servers
  • Server build, harden and implement systems on both Solaris and Linux
  • Application installation and configuration
  • Experience with EC2, S3, ELB, CodeDeploy, CloudFormation, Security Groups
  • Support on-call rotation, Application installation
  • Troubleshooting to solve problems and Migration of servers from RHEL5 to RHEL7
  • Knowledge of several monitoring and analytics tools such as Tivoli, Zenoss, AWS Cloudwatch.

UNIX/LINUX SYSTEMS ADMINISTRATOR

9-Solutions, Largo MD
2010.12 - 2014.01
  • Performance Monitoring and capacity planning on Oracle Solaris 10 servers
  • Setup ZFS quotas, reservation and automation NFS-Share of directories
  • Creating and Managing File System in Linux/Unix
  • Experience with Logical Volume Management and Solaris Volume Management
  • User account management, grant permissions, create credentials to allow SSH into servers
  • Managing and monitoring of RedHat Linux servers in a virtualized environment
  • Performed Security Administration on Unix/Linux Systems
  • Experience with basic SELinux
  • Experience with Patching on both Solaris 10 and RedHat 6 system
  • Configure and implement Solaris Zones
  • Troubleshoot Unix/Linux network and connectivity issues
  • Upgrade Linux servers and migration from RHEL5 to RHEL6
  • Perform Security administration on all servers using Sudo
  • Basic knowledge of shell scripting.

SYSTEMS OPERATION ASSOCIATE

GKA Business Services, Takoma Park MD
2009.01 - 2010.09
  • Created shared drives and folders and personal drives for users
  • Provided customer service to resolve computer issues
  • Maintain records of daily business transactions, problems and remedial actions
  • Install wireless networks for small businesses and client
  • Resolving software and hardware issues
  • Scheduling backup of files
  • Performed operating system upgrades
  • Familiarity with network systems such as servers, switches, firewalls and routers
  • Maintaining excellent customer services.

Education

IT Certificate - Linux Operating System

University of Baltimore College
Baltimore, MD
07.2013

Skills

  • Troubleshooting
  • User Support
  • System Testing
  • Technical Support
  • Cloud services
  • Root Cause Analysis
  • Cloud Computing
  • Linux+ Certification

Tools Applications

  • SharePoint
  • ITSM ServiceNow
  • AppDynamic
  • BSM Remedy
  • Tanium
  • CyberArk
  • Confluence
  • SolarWinds
  • InfoBlox
  • Oracle Enterprise Manager (OEM)
  • Nagios
  • Dynatrace
  • Zabbix
  • CloudWatch
  • GitLab
  • WebLogic
  • Drupal
  • Tableau
  • Microsoft suites

Certifications Education

  • AWS Solutions Architect Associate (SAA-CO1) - MW32H03CNMQ4QT5H
  • AWS Certified Developer – Associate (DVA) - ZLVPNQ91DBRQ1NKM
  • RedHat Certified System Administrator (RHCSA – EX200) - 150-018-562
  • VMware Certified Associate (VCAD510 – VCA-DCV) - VMW-01460848L-00474878
  • CyberArk Certified Trustee - 1828120
  • ITIL Training
  • Splunk Training
  • Risk Management Framework Training (RMF)
  • Certificate in Linux System Administration at University of Maryland Baltimore College Training Centre
  • Secretarial Management Certificate at Opportunities Industrialization Centre, Kumasi-Ghana
  • High School Diploma Certificate at Wesley Day Senior High School, Kumasi – Ghana

Core Competences

Server Builds in both VMware and AWS environment, Application deployments, Server migration from RHEL5 to RHEL7, RHEL6 to RHEL7, Create and Manage File Systems, SFTP build on VMware and on AWS Transfer Family, Patch Management, Troubleshooting, User/Service Account Access Management, Logical Volume Management(LVM), Nagios & Dynatrace server monitoring, AWS CloudFormation, AWS CodeDeploy & CodePipeline CI/CD, AWS Certificate Manager for SSL/TLS Certificates, AWS EC2 server build, AWS Elastic Beanstalk for deploying web applications, Auto-Scaling, AWS Security Groups, Targets and Tag, AWS Application and Network Load Balancers, CloudWatch, Security Vulnerability Remediation, WebLogic management, Tableau application management

Personal Information

Title: Certified Linux/AWS Systems Engineer

Timeline

Linux/AWS Systems Engineer

Department of Health and Human Services - Administration for Children and Family
2019.10 - Current

LINUX/AWS SYSTEMS ADMINISTRATOR

United States Census Bureau MD
2018.11 - 2019.05

Linux System Administrator

PNC Bank, PA
2014.04 - 2018.08

UNIX/LINUX SYSTEMS ADMINISTRATOR

9-Solutions, Largo MD
2010.12 - 2014.01

SYSTEMS OPERATION ASSOCIATE

GKA Business Services, Takoma Park MD
2009.01 - 2010.09

IT Certificate - Linux Operating System

University of Baltimore College

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Rebecca Boateng