Kollie Oshiokpu
Dallas
Summary
Dynamic Sr Security Administrator with expertise in threat intelligence analysis and incident response coordination. Proven track record in implementing robust endpoint security measures, enhancing organizational compliance and security posture. Adept at collaborating with cross-functional teams to optimize security practices and user awareness training.
Experienced with managing security systems to safeguard organizational assets. Utilizes comprehensive knowledge of security protocols to ensure secure environment. Track record of effective incident response and system monitoring.
Overview
10
10
years of professional experience
1
1
Certification
Work History
Sr Security Administrator
Deployed Resources LLC
02.2022 - Current
- 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.
Senior Systems Administrator
Mkcoop
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 & 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
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 work stations for employees.
- Configured and tested new software and hardware.
- Responded to customer inquiries and provided technical assistance over phone and in person.
Education
Master of Science - Cyber Security
University of Phoenix
Tempe, AZ03-2024
Skills
- Threat intelligence analysis
- Security information and event management
- Intrusion detection systems
- Security awareness training
- SentinelOne Endpoint Security
- Endpoint Configuration Management
- BeyondTrust PAM Implementation
- MFA Configuration Expertise
- Rubrik Backup Implementation
- JAMF MDM Administration
- Endpoint compliance policies and security baselines
- Incident Response Coordination
- Conditional Access Management
- Meraki Secure Connect Expertise
- Network Access Management
- Patch Management Expertise
- Avamar Backup Solutions
- Endpoint Security Management
Certification
- CISM
- Microsoft Cyber Security Architect Expert
- Azure Security Engineer Associate
- Azure Administrator Associate
- Cybersecurity Analyst CySA+
- Network+
- CNVP
- Pentest+
- Security+
- ITIL Foundation)- AXELOS Limited.
Timeline
Sr Security Administrator
Deployed Resources LLC
02.2022 - Current
Senior Systems Administrator
Mkcoop
06.2019 - 01.2022
IT Support Specialist
SMS InfoComm
03.2015 - 04.2019
Master of Science - Cyber Security
University of Phoenix
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