Open to opportunities

Calvin Oliver

@calvinoliver

Message

Cyber Defense Lead and Senior Security Engineer with proven expertise.

United States

Message

What I'm looking for

I seek a challenging role in cybersecurity that fosters growth and innovation.

As a Cyber Defense Lead and Senior Security Engineer, I leverage my active TS/SCI clearance to provide technical direction and support to Cyber Defense teams. My role involves overseeing security platform operations, optimizing incident response workflows, and collaborating with global teams to align security standards. I am committed to enhancing efficiency through the development of standardized security procedures and driving continuous improvement in cyber resilience and compliance.

Throughout my career, I have successfully conducted interoperability testing, troubleshot firewalls, and developed risk mitigation strategies. My experience includes monitoring user activity and system logs, performing comprehensive security audits, and leading application security assessments. I thrive in dynamic environments where I can apply my skills in incident response automation and proactive threat hunting to protect organizations from emerging cyber threats.

Experience

Work history, roles, and key accomplishments

Current

Insider Threat Cyber Specialist

Current

Georgia Tech Research Institute

Oct 2023 - Present (1 year 7 months)

Monitored user activity and system logs using SIEM and DLP tools, analyzed behavioral patterns to detect unauthorized access, and conducted risk assessments. Collaborated with teams for incident handling and compliance with regulations.

SIEM Risk Assessment Compliance Threat Detection User Behavior Analysis

Current

Cyber Defense Lead

Current

Confidential

Oct 2023 - Present (1 year 7 months)

As a Cyber Defense Lead, I provide technical direction and support to Cyber Defense teams, oversee security platform operations, and optimize incident response workflows. I drive collaboration and governance improvements to enhance cyber resilience and compliance.

SIEM Incident Response Risk Mitigation Vulnerability Management Compliance

Current

Cyber Network Defense Analyst

Current

United States Army Reserve

Aug 2020 - Present (4 years 9 months)

Led application security assessments, conducted threat investigations, and automated incident response processes. Improved security posture through proactive threat hunting and evidence management.

Application Security Incident Response Microsoft Defender Automation Security Analysis Vulnerability Management

Sr. Technology Auditor - Cybersecurity

GE Vernova

Jan 2023 - Jan 2024 (1 year)

Performed comprehensive security audits and penetration testing, evaluated compliance with industry standards, and provided actionable risk mitigation recommendations. Collaborated with teams to improve security posture.

Security Auditing Penetration Testing Compliance Risk Mitigation Vulnerability Assessment Microsoft Defender NIST

Sr. Systems Security Administrator

Lockheed Martin

Jan 2021 - Jan 2022 (1 year)

Implemented security platforms and advanced network security solutions, enforced compliance, and conducted threat modeling. Improved vulnerability management and security posture across systems.

Splunk Network Security Compliance Threat Modeling Vulnerability Management Security Policies Risk Assessment Incident Response

Information Management Officer

United States Army

Jan 2016 - Feb 2020 (4 years 1 month)

Managed secure infrastructure projects, streamlined security compliance processes, and provided training on network security best practices. Enhanced overall security and project efficiency.

Project Management Security Compliance Infrastructure Design Training Active Directory Security Protocols Documentation

Information Technology Specialist

United States Army

Jan 2009 - Jan 2016 (7 years)

Installed and configured enterprise systems, managed network infrastructure, and implemented IT security measures. Provided technical support and training to enhance user proficiency.