Federal Systems Administrator & Vulnerability Security Specialist

EJIWUNMI ADEWOLE

Laurel, MD 512-***-**** ***.*******@*****.***

PROFESSIONAL SUMMARY

Systems Administrator / IT Specialist with 15+ years of experience supporting Windows environments, enterprise endpoints, Active Directory, user accounts, network access, patching, vulnerability remediation, and federal IT operations. Hands-on experience with Tenable Nessus vulnerability scanning, Windows Server, Linux, PowerShell, GPOs, VPN access, hardware/software administration, and security documentation supporting Assessment & Authorization activities. Security+ certified with a master’s degree in cyber security technology and experience working in federal environments.

TECHNICAL SKILLS

• Operating Systems: Windows 10, Windows Server 2016, Linux (Ubuntu, CentOS, Red Hat, Kali); installation, imaging, configuration, maintenance, troubleshooting

• Systems Administration: User/account administration, hardware/software maintenance, patching, endpoint support, remote administration

• Security & IA: Tenable Nessus, vulnerability/compliance scanning, remediation tracking, patch verification, A&A support, SSP/Contingency Plan/Continuous Monitoring documentation

• Identity & Configuration: Active Directory, Group Policy/GPOs, OUs, security groups, VPN access, PIV/cached credentials

• Scripting & Tools: PowerShell, BigFix, Bomgar, Oracle VM, ServiceNow, Remedy, Zendesk, Microsoft Office 365

• Networking: LAN/WAN, TCP/IP, routers, switches, access points, network connectivity, VoIP

PROFESSIONAL EXPERIENCE

System Administrator ERT / NOAA — Maryland May 2022 – Present

• Provide hands-on administration and support for hardware, software, user accounts, network access, VPN access, and secure workstation environments.

• Install, maintain, update, and troubleshoot hardware and software while maintaining security requirements for software installations.

• Create and manage user accounts and troubleshoot network/VPN access and connectivity issues.

• Perform scheduled and ad hoc Tenable Nessus vulnerability scans; review findings and maintain remediation tracking.

• Support Assessment & Authorization activities and maintain security documentation, including System Security Plan, Contingency Plan, and Continuous Monitoring Plan updates.

• Review technical documentation for compliance with agency IT security requirements and support secure system operations.

System Administrator ECS / U.S. EPA — Washington, DC Aug 2021 – May 2022

• Provided Tier 1/2 technical support, investigated technical problems, managed service tickets, and coordinated escalation through resolution.

• Managed Active Directory users and computers; linked GPOs to OUs and groups and supported account/computer administration.

• Reimaged and updated computers; installed operating systems, software, licenses, and VPN components.

• Performed hardware/software troubleshooting, patching, vulnerability remediation, and system updates.

• Used PowerShell for BitLocker recovery and automation/configuration tasks.

• Documented and monitored technical requests to maintain timely resolution and service levels.

Technical Support Specialist Insight Global / FDIC — DC/VA Feb 2020 – Aug 2021

• Supported enterprise workstations, laptops, printers, specialized applications, conference systems, and network connectivity.

• Used BigFix to deploy security capabilities, remediate vulnerabilities, and apply endpoint patches.

• Used Bomgar for remote administration, software installation, security patching, and authorized administrative access.

• Troubleshot PIV/hybrid-token credentials, cached credentials, Group Policy updates, network connectivity, and software installation/update issues.

• Installed and supported Office 365 applications and provided hands-on end-user assistance.

IT Support Specialist Consortium / AARP — Washington, DC Apr 2018 – Feb 2020

• Provided end-user and Salesforce support; triaged, documented, routed, and resolved technical requests using Zendesk.

• Configured VoIP services and supported software access, installation, updates, and removal according to organizational requirements.

• Created technical guidance and training resources and collaborated with technology teams on security policies and training.

• Coordinated escalations and followed support requests through resolution.

Desktop Support Express Employment / Sysco — Jessup, MD Aug 2015 – Apr 2018

• Installed, supported, and maintained Windows 10 and Microsoft Office 365 systems.

• Configured and maintained network infrastructure including switches, routers, access points, and hotspots.

• Supported trouble-ticket and network monitoring tools and prepared shift/status reports for clients and senior management.

• Tested SAP software and resolved workstation, software, and connectivity issues.

Desktop Support Nestlé — Laurel, MD Jan 2010 – Jul 2015

• Resolved Remedy tickets involving password resets, connectivity, software installation/updates, and hardware replacement.

• Imaged Dell laptops and desktops using company Windows profiles and supported operating system issues.

• Set up video conferences, webinars, presentations, and audiovisual technology and resolved or escalated user issues.

EDUCATION

• Master of Science, Cyber Security Technology — University of Maryland Global Campus

• Bachelor of Science, Computer Network and Cyber Security — University of Maryland Global Campus

• Associate of Arts, Cyber Security — Howard Community College

CERTIFICATIONS & CLEARANCE

• CompTIA Security+

• Microsoft Azure Fundamentals

• Oracle DBA & Enterprise Solution Management

• Amazon Web Server Developer

• Public Trust Clearance

SELECTED ACCOMPLISHMENTS

• Served as System Support Administrator supporting 100+ workstations.

• Completed 18-month training in Oracle DBA and Enterprise Solution Management.

• Completed LAN/WAN professional training.

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