Systems Engineer Customer Service

Rebecca Boateng Email: ************@*****.*** Tel: 301-***-****

Certified Linux/AWS Systems Engineer

My core competences are Server Builds in both VMware and AWS environment, Application deployments, Server migration from RHEL5 to RHEL7, RHEL6 to RHEL7, Create and Manage File Systems, Patch Management, Troubleshooting, User/Service Account Access Management, Logical Volume Management(LVM), Servers and Nagios 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.

PROFESSIONAL EXPERIENCES:

Linux/AWS Systems Engineer 10/2019 – Present

Department of Health and Human Services - Administration for Children and Family Washington, DC

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, Target and Tags in AWS environment

WebLogic Oracle Patching and WebLogic Installation on Linux servers and troubleshooting

Create Log files sharing using CloudWatch in AWS environment

Performance monitoring on Linux servers and Nagios monitoring

Server builds EC2, CloudFormation to build Database instances and RedHat instances, server build in VMware environment, configurations and Load Balancers

Application deployments using AWS CodeDeploy, CodeCommit, CodePipeLine and WebLogic Linux deployment(eg. war files, jar files) Drupal content deployment

Troubleshoot SFTP data file submission and CyberFusion/MFT data file submission issues.

Application installations and Configurations (WebLogic, Splunk, Splunk Forwarder, Tomcat, Apache, Tableau)

Work with Security team on SSP, POA&M, BIA and PIA and vulnerability remediation

Decommission Development, Staging and Production servers.

Monthly patching for Development, Staging and Production environments and WebLogic patching

User and service account access management, grant permissions, create credentials to allow SSH into servers.

Setup CyberFusion/MFT and SFTP account on servers

Installation of CrowdStrike, Tomcat and Apache on Linux servers

Linux File System and Logical Volume Management, adding disk, memory and 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

Training new employees and sharing knowledge and assigning daily tickets to colleagues.

LINUX/AWS SYSTEMS ADMINISTRATOR 11/2018 – 05/2019

United States Census Bureau MD

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 04/2014 – 08/2018

PNC Bank, PA

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 12/2010 – 01/2014

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 01/2009 – 09/2010

GKA Business Services, Takoma Park MD

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

TOOLS/APPLICATION

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)

Window 2012 R2 Training

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

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