Open To Work
Taiwo Adeoye
System Administrator
Kirkland,WA
Summary
Resourceful System Administrator consistently responds to wide range of technical challenges with focused and creative approach. Highly effective at problem solving and decision making. 6years of progressive IT experience. Detail-oriented team player with strong organizational skills. Current U.S Army Reserve Service. Seeking to leverage military discipline and technical expertise as an IT Specialist in a civilian role.
Overview
10
10
years of professional experience
Work History
SYSTEMS ADMINISTRATOR SUPPORT
DXC Technology
Bothell, WA
01.2022 - 08.2025
- Administered Windows Server 2016/2019 and RHEL/Ubuntu estates across VMware vSphere (ESXi/vCenter), supporting 300+ VMs and 1,000+ users while maintaining 99.9%+ service uptime.
- Engineered AD DS, DNS, DHCP, and GPO baselines; reduced login/authentication incidents by 25% through policy hardening and OU hygiene.
- Automated patching and routine maintenance with Bash/Ansible; improved patch compliance from 75% to 95% within 2 quarters and cut weekend maintenance hours by 30%.
- Built and maintained web/application servers (LAMP/IIS) with hardened baselines; decreased critical vulnerabilities by 40% following CIS-aligned remediation.
- Developed onboarding/offboarding workflows (AD, M365, access provisioning) that reduced lead time from 2 hours to 20 minutes and eliminated access drift.
- Resolved incidents and changes via ServiceNow, meeting >95% SLA on P1–P3 tickets and reducing MTTR by 20% through standardized runbook.
- Implemented monitoring/alerting (CloudWatch/Azure Monitor/Nagios) for key services; detected performance regressions early and reduced unplanned downtime.
- Partnered with procurement to standardize hardware/software, saving ~15% YoY through lifecycle planning and vendor consolidation
- Provided input on hardware and software purchasing, prioritizing return on investment to optimize IT spending
- Collaborated with cross-functional teams to troubleshoot and resolve complex network issues efficiently.
- Documented system configurations and procedures, streamlining onboarding for new team members.
- Trained junior staff on system administration tools and processes, fostering a collaborative team environment.
SYSTEM ADMINISTRATORS
THEITERN
Frisco, TX
01.2021 - 12.2021
- Managed system upgrades and patches to ensure optimal performance and security compliance.
- Provided technical support and troubleshooting for end-users, improving response times.
- Collaborated with cross-functional teams on system integration projects, ensuring alignment with business needs.
- Installed and administered Linux systems with RedHat, Ubuntu, CentOS Servers
- Supported Data Migration in varying ways covering: SCP, FTP, Rsync + SSH
- Installed and configured Domain Services on Active Directory Services –DHCP, DNS, NFS, NTP, SSH.
- Managed user access rights to maintain a high level of information security while ensuring appropriate levels of accessibility for authorized personnel.
- Enabled smooth transitions during hardware and software upgrades, minimizing disruptions to endusers.
- Worked with users to determine areas of technology in need of improved usability.
- Oversaw file system and storage upgrades while safeguarding data integrity and redundancy.
- Cloud Environment with Ansible, VMware, shell scripts, AWS,Microsoft Azure.
- Diagnosed and resolved hardware and software issues.
- Enhanced system performance by optimizing server configurations and implementing regular updates.
Data Entry Management Coordinator
Schuman Cheese
Elgin, IL
06.2018 - 12.2020
- Managed data entry processes to ensure accurate and timely information flow across departments.
- Developed and implemented data management protocols that enhanced operational efficiency.
- Trained new team members on data entry systems and best practices for accuracy.
- Collaborated with cross-functional teams to streamline data collection and reporting methods.
- Located and corrected data entry errors and reported to management.
- Tracked and maintained records for department.
- Compiled and verified accuracy and sorting information to prepare source data for computer entry.
- Collecting data together with the use of software (Telnet, High-jump, Edge, Dynamics GP, Sage).
- Compiled and verified accuracy and sorting information to prepare source data for computer entry.
- Analyzed workflow patterns to identify areas for improvement in data handling procedures.
SYSTEM ADMINISTRATOR
Wi Group
Gauteng, Johannesburg, South Africa
01.2016 - 12.2017
- Administered network infrastructure to ensure optimal performance and reliability.
- Implemented security protocols to safeguard sensitive data and prevent breaches.
- Troubleshot system issues, enhancing resolution efficiency and minimizing downtime.
- Managed user accounts and permissions, ensuring compliance with organizational policies.
- Managed onboarding and offboarding of employees.
- Established effective communication channels between IT support staff and end-users, leading to improved issue resolution times overall.
- Drove continuous improvement of IT governance processes.
- Configured and tested Windows Server operating systems with roles features.
- Detailed upcoming software upgrades and system sprints to team members.
- Create and managed users, groups and OUS, complete Folder shares and File Security.
- Managed Groups Policy Objects (GPOs) for Users and Groups.
- Provided hands-on support for Windows Servers installation and troubleshooting of network infrastructure issues within enterprise environment.
Education
Bachelor of Science - FINANCIAL INFORMATION SYSTEM
Vaal University of Technology
Vanderbijlpark, South Africa11-2015
Skills
- User administration
- System configuration
- Windows system administration
- Network server management
- Network performance analysis
- Data backup coordination
- File system management
- Network management
- Virtualization optimization
- Employee onboarding and offboarding
- Linux system management
- Directory management
- Inventory control
- Customer support
- Cloud service administration
- Data management
- Hardware installation
- Software testing
- Firewall configuration management
- Access management
- Collaborative teamwork
- Technical problem-solving
- Proficient in virtualization technologies
- Email management
- Hardware resource management
- Installation of hardware and software
- Performance monitoring
- IT technical support
- Software updates management
Timeline
SYSTEMS ADMINISTRATOR SUPPORT
DXC Technology
01.2022 - 08.2025
SYSTEM ADMINISTRATORS
THEITERN
01.2021 - 12.2021
Data Entry Management Coordinator
Schuman Cheese
06.2018 - 12.2020
SYSTEM ADMINISTRATOR
Wi Group
01.2016 - 12.2017
Bachelor of Science - FINANCIAL INFORMATION SYSTEM
Vaal University of Technology