Nkengafac Brown Atemnkeng
Columbus,OH
Summary
Proven Cyber Security Specialist with expertise in vulnerability management, cloud security, and incident response. Developed prioritization models and led security initiatives, enhancing organizational resilience against threats. Dynamic Cyber Security Specialist with strong leadership in developing risk management strategies. Known for coordinating remediation efforts and delivering insightful risk reports to senior leadership, driving improvements in organizational security posture. Detail-oriented Cyber Security professional skilled in incident response, threat hunting, and endpoint security. Achievements include deploying Microsoft Defender enterprise-wide and integrating SIEM solutions for effective monitoring and threat detection.
Overview
9
9
years of professional experience
1
1
Certification
Work History
Cyber Security Specialist
TATA Consultancy Services
02.2023 - Current
- Developed a vulnerability management prioritization model and defined SLAs for remediation, empowering platform owners to address risks effectively.
- Designed and monitored cloud security posture using Armo KSPM and Aikido CSPM.
- Led enterprise deployment of Microsoft Defender for Endpoint across servers and endpoints via Intune and GPO.
- Integrated Defender with Splunk and AlienVault for centralized incident response.
- Built KQL dashboards to detect endpoint threats, lateral movement, and suspicious processes.
- Coordinated daily remediation meetings, delivering risk reports and advisories to senior leadership.
Cyber Security Scanner Analyst
Maveris
01.2019 - 02.2023
- Implemented Qualys WAS for application DAST scanning, reducing vulnerabilities before release.
- Optimized Microsoft Defender ATP policies to strengthen malware protection.
- Designed Splunk dashboards and alerts to monitor enterprise security in real-time.
- Investigated malware incidents and coordinated response with application owners and vendors.
- Configured AWS WAF to implement IP and geo-blocking during active attacks.
- Authored runbooks and technical documentation to streamline incident handling and knowledge transfer.
IT Support Specialist
Boundless Inc.
04.2016 - 01.2019
- Installed and configured Active Directory, DHCP, DNS, and GPOs to support enterprise IT infrastructure.
- Deployed Defender ATP sensors enterprise-wide using Group Policy and registry-based methods.
- Provided end-user support including account management, onboarding, and troubleshooting.
- Managed incidents via ServiceNow and reimaged systems for security compliance.
Education
B.S. - Cybersecurity
University of Maryland Global Campus
Adelphi, MD08.2025
A.S. - Electrical Engineering
Columbus State Community College
Columbus, OHSkills
- Vulnerability Management
- Cloud Security
- Incident Response
- Threat Hunting
- Endpoint Security
- SIEM
- Monitoring
- Application Security
- Identity & Access Management
- Compliance & Risk Management
- Technical Skills
- Networking
- Systems
Certification
- CompTIA Security+
- CompTIA Cloud+
- Active Security Clearance
Personal Information
Title: Cybersecurity Engineer
Technical Skills
Microsoft Defender ATP, Carbon Black, Intune, SCCM, Tenable SC/IO, Qualys, Kenna Security, Splunk, AlienVault USM, FortiSIEM, AWS (CloudWatch, GuardDuty, Security Hub, WAF, S3, CloudFront), Azure Security, Active Directory, RBAC, DHCP, DNS, Group Policy, Threat hunting, Runbook creation, Change management, Remediation workflows
Timeline
Cyber Security Specialist
TATA Consultancy Services
02.2023 - Current
Cyber Security Scanner Analyst
Maveris
01.2019 - 02.2023
IT Support Specialist
Boundless Inc.
04.2016 - 01.2019
B.S. - Cybersecurity
University of Maryland Global Campus
A.S. - Electrical Engineering
Columbus State Community College