System Engineer Linux

NATHANIEL BLABOE

**** *********** ******, ****** ****** MD 20904

Email: *********.******@*****.***

Phone: 240-***-****

PROFESSIONAL EXPERIENCE

Sr. Linux System Engineer

International Business Machines (IBM) – (May 2022 – present)

• Creating and fulfilling work requests through Service Now ticketing tool.

• Efficient resolution of Service Now ticket.

• Tracking internal engineering projects using Jira.

• Using Github for source code management.

• Configuring and monitoring Logical Volume Manager.

• Maintaining containerized environments.

• Patching server environment with YUM and Ansible Automation Platform to maintain server security.

• Running configurations via Ansible.

• Developing Ansible playbooks for automation purposes.

• Updating and improving yml files using GitHub.

• Passing variables from Ansible to Python.

• Using Python3 in Bash to run separate Python files.

• Building EC2 instances on AWS.

• Managing access to AWS resources with IAM.

• Troubleshooting deployment failure via Azure Dev-Ops pipelines.

• Managing Tenable Security Center.

• Monitoring and running Nessus scans on Tenable Security Center.

• Applying health check vulnerability fixes from nessus scan results on RHEL7, RHEL8, RHEL 9, Centos 7, 8 and 9.

• Installing and configuring Tenable Nessus manager for vulnerability and Health check scanning with a node capacity of 20,000 agents.

• Providing in-depth support and troubleshooting for Tenable users ranging from Tenable Security Center, Tenable io, Nessus and Nessus Manager.

• Updating and creating documentations through version control system like GitHub.

• Onboarding clients to QRadar for logging and monitoring.

• Recording Cyber threats through system logs for analysis and remediation

• Automating AWS tasks using Terraform.

• Communicating effectively with internal and external customers ranging from product users to program management.

• Deploying and configurating virtual environments on VCenter.

• Implementing server hardening procedures.

• Designing offsite disaster recovery plan.

• Configure RHEL servers for ground software (GSW) by partitioning drives, installing software dependencies.

Sr. Linux Administrator and Database Manager

Howard University Hospital – GHUCCTS (2020 – 2022)

• Maintaining new and existing data and generate reports in a MS SQL server environment.

• Providing procedures for periodic database backups and restores of MS SQL server.

• Creating views, stored procedures, and functions in SQL.

• Using ColdFusion to retrieve, update and manage data in the SQL database.

• Troubleshooting servers and workstations as needed.

• Maintaining and administering WebCamp application and communicating efficiently with WebCamp vendors to troubleshoot escalated issues.

• Building projects using REDCap and Assisting and supporting REDCap users.

• Providing technical support to all internal clients.

• TCP/IP and networking configurations and maintenance.

• Monitoring resource utilization with Nagios and Netcool.

• Managing system alerts using Netcool.

• Managing network devices, application and result monitoring through Nagios.

• Deploying bash scripts to automate tasks on iterm2

• Writing Bash shell scripts to manage user permissions, backups and automate tasks

• Overseeing on-prem migration to AWS Cloud.

• Patching all EC2 instances to meet compliance.

• Maintaining Linux server that supports web-based application using apache

• Upgrading servers from RHEL versions

• Active Directory Management: Users, Groups, GPOs, Accounts, Service Accounts and Domain Controller Management.

Linux System Administrator

Tanager Inc. – Annapolis Junction MD (2018 - 2020) – Remote Contract

• Advance preparation for staging of locations.

• Testing and troubleshooting technical deployments.

• Collaborating with third party vendors for required support.

• Installing new physical and virtual servers using VMware Virtual Center and configure hardware, settings, directories, storage in accordance with standards and project/operational requirements.

• Administering and configuring DNS, NFS, FTP, APACHE, and LDAP on newly installed servers.

• Automating and scheduling jobs, scripts and administered tasks using Cron, and enabled system network logging for maintenance and testing.

• Creating user and group accounts, network configuration, managed password and permissions and administered quotas.

• Performing daily system monitoring, verified the integrity and availability of all hardware, server resources, system processes, viewing system and application logs and verified completion of scheduled jobs.

• Ensuring proper recording, documentation and closure of tickets.

• Experience with Azure Microsoft 365

• Assisting with system performance and hardware upgrades.

• Assisting personnel with installation, configuration and ongoing usability of system hardware and software.

• Assisting in installation, configuration and administration of CentOS using Kickstart Servers and Offer daily operations and systems support to personnel. Junior Linux Administrator

Montgomery College, Rockville MD (2018 - 2018)

• Escalating unresolved tasks to the appropriate groups for effective solutions in the form of tickets.

• Deploying patches associated with Linux Operating System and hardening systems to ensure a consistent secure platform.

• Enabling system network logging for maintenance and testing.

• Performing RPM and YUM package installations.

• Creating user and group accounts, network configuration, managing passwords and file permissions.

• Running reports to determine repetitive malfunctions.

• Monitoring network security and intrusion detection while adjusting and updating systems to meet Company’s requirement.

• Verifying functionality of hardware and software components.

• Performing daily network backup operations.

• Documenting and updating all customer correspondence relevant to internal information via ticketing system.

• Troubleshooting hardware and software issues in person and remotely.

• Creating and managing users and groups, assigning permissions and controlling access to files.

Internship – Raphal Medical Center, Ghana, (2015-2017)

• Maintaining computers for a contracting company specializing in security services to clients by running periodic hardware checks, application and operating system patches.

• Troubleshooting computer related problems to ensure efficiency

• Managing best practices and processes

• Performing all assigned tasks and clearly documenting solutions PROFESSIONAL CERTIFICATION

• Red Hat Certified System Administrator: 200-096-857

• CompTIA Security + 501

EDUCATION

• Montgomery College – AAS Cyber Security

• University of Maryland University College – BSc. Cyber Security and Computer Networking

TECHNICAL SKILLS

Operating system: Centos 7,8 RHEL 7,8 Windows server 12,16,19 Application Tools: Tenable SC, Service Now, Ansible, SQl, VMware 6.5, Nagios XI, Docker, Bash, Wireshark, Splunk, ColdFusion, Azure, AWS, Bitbucket, GitHub.

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