Kollie Oshiokpu
Dallas
Summary
IT Systems Administrator with expertise in application management, system security, and incident response. Successfully implemented secure, scalable enterprise solutions that enhanced compliance and optimized system performance. Collaborated with cross-functional teams to manage application systems and automate processes, supporting organizational business strategies. Experienced in integrating cloud services and managing SQL and data flows to maintain secure IT environments aligned with ITIL best practices.
Overview
10
10
years of professional experience
1
1
Certification
Work History
Sr Systems Administrator
Deployed Resources LLC
Rome
02.2022 - Current
- Configured server-side backups, Windows FTP solutions, and file exchanges for secure data handling.
- Designed and optimized SQL queries to support reporting tools (Power BI, Tableau, SAS), and maintain data integrity across applications.
- Managed SQL Server environments, configured database security settings, and participated in audits to ensure compliance with IT governance.
- Deploy and configure SentinelOne agents, and manage Defender for Endpoint, ensuring comprehensive endpoint protection and compliance.
- Lead incident response and threat-hunting efforts to mitigate security risks and manage vulnerabilities across the network.
- Configure MFA and SSPR solutions, ensuring secure user authentication and access management across organizational systems.
- Manage Rubrik backup solutions, ensuring reliable data protection, backup performance, and efficient restoration across devices, sites, and tenants.
- Onboard devices using Apple Business Manager (ABM) into JAMF MDM, configuring secure device policies, Jamf Trust, and app deployment strategies.
- Implement Conditional Access policies, security baselines, and compliance reporting to ensure alignment with organizational security standards, and regulatory requirements.
- Collaborate with cross-functional teams to integrate security tools, and optimize endpoint management practices.
- Managed firewall configurations and maintained up-to-date rulesets to protect sensitive data from external threats.
- Developed and implemented automated scripts for user account management, security log analysis, and incident response, streamlining tasks, enhancing threat detection, and ensuring rapid, consistent security operations.
Systems Administrator
Mkcoop
Moundridge
06.2019 - 01.2022
- Endpoint Security & Threat Management: Deploy and manage CrowdStrike sensors for Endpoint Detection and Response (EDR), and Next Gen AV across all endpoints. Lead threat hunting and implement vulnerability management to proactively identify and resolve security threats. Configure and manage network access control (NAC), VPN, Wi-Fi profiles, and encryption settings to secure network and device access.
- Patch & Software Management: Use PDQ Deploy to create, test, and deploy patches for Windows devices and third-party applications, ensuring timely updates, and security patches. Oversee security patching and software updates using Configuration Manager, ensuring consistent and secure deployment across the organization. Perform endpoint audits with PDQ Inventory, ensuring compliance, and accurate asset management.
- Backup and Data Protection: Configure and manage Avamar backup policies, monitor backup events, and troubleshoot issues to ensure data integrity and recovery readiness. Manage disaster recovery replication servers, ensuring timely data availability during system failures.
- User Awareness & Training: Deliver KnowBe4 user awareness training and phishing simulations to improve employee security practices. Monitor and respond to dark web activity to detect potential threats and breaches.
IT Support Specialist
SMS InfoComm
Dallas
03.2015 - 04.2019
- Used ticketing systems to manage and process support actions and requests.
- Managed high levels of call flow, and responded to technical support needs.
- Installed and configured operating systems and applications.
- Configured hardware, devices, and software to set up workstations for employees.
- Configured and tested new software and hardware.
- Responded to customer inquiries and provided technical assistance over the phone and in person.
Education
Master of Science - Cyber Security
University of Phoenix
Tempe, AZ03-2024
Skills
- Database Administration
- Data integration & transfer
- Endpoint security
- Threat mitigation
- Access control
- Data backup solutions
- Security Policies and Compliance
- Automation and scripting
Certification
- CISM
- Microsoft Cyber Security Architect Expert
- Azure Security Engineer Associate
- Azure Administrator Associate
- Cybersecurity Analyst CySA+
- Network+
- CNVP
- Pentest+
- Security+
- ITIL Foundation
Timeline
Sr Systems Administrator
Deployed Resources LLC
02.2022 - Current
Systems Administrator
Mkcoop
06.2019 - 01.2022
IT Support Specialist
SMS InfoComm
03.2015 - 04.2019
Master of Science - Cyber Security
University of Phoenix
Similar Profiles
NANCY LAGERSONNANCY LAGERSON
Travel Administrator at Deployed Resources, LLC.Travel Administrator at Deployed Resources, LLC.
Milena SpassovaMilena Spassova
Cook II at Deployed Resources,LLCCook II at Deployed Resources,LLC
Isaiah GarzaIsaiah Garza
Cook at Deployed Resources LLCCook at Deployed Resources LLC
Nathalie HernandezNathalie Hernandez
Student Recruitment and Retention Specialist at Harmony Science AcademyStudent Recruitment and Retention Specialist at Harmony Science Academy
Jaime LunaJaime Luna
Registered Nurse- Medical ICU at Parkland HospitalRegistered Nurse- Medical ICU at Parkland Hospital