Mark Redman
Georgetown,KY
Summary
Dynamic cybersecurity professional with a proven track record in safeguarding critical information systems and mitigating potential threats. Expertise in threat detection, vulnerability assessment, and compliance drives collaborative problem-solving and enhances security measures across teams. Recognized for adaptability and reliability in fast-paced environments, consistently delivering results while addressing evolving security challenges. Committed to leveraging specialized skills to protect organizational assets and foster a culture of security awareness.
Overview
13
13
years of professional experience
1
1
Certification
Work History
Cyber Systems Security Engineer Sr.
Lockheed Martin
02.2025 - Current
- Responsible for applying an interdisciplinary, collaborative approach to plan, design, develop, validate, and verify cyber solutions across the lifecycle.
- Cleaned up Tenable Nessus Security Center policies and audits streamlining process flows to minimize overall bandwidth consumption during scanning.
- Implemented SSL security certificates on Nessus Manager and reestablished links with Nessus Agents.
- Implemented and maintained Forescout policies to be compliant with DoD initiatives and directives for zero trust.
- Conducted quarterly wireless audits identifying vulnerabilities and misconfigurations for the enterprise.
- Conducted phishing exercise to keep end users aware of potential threats to the enterprise.
- Conducted investigations regarding DLP violations across the enterprise.
- Implemented a standardized change process for upgrading hardware for existing application.
- Secret Security Clearance
- Conducted risk assessments to identify vulnerabilities and recommend mitigation strategies.
Sr. Cyber Security Analyst
Optum, INC
06.2022 - 01.2025
- Acts as team leader throughout the process of initial triage, investigation, and escalation.
- Monitor and process various sources to produce threat and risk assessments for multiple consumers.
- Collaborate with network, host, and user activity managers, assessing norms and identifying anomalies.
- Continue to evaluate threat models for value and support decision making related to future use of those sources.
- Acts as point of contact for investigation and track remediation activities.
- Collaborated with IT teams to implement security protocols and best practices across the organization.
Cyber Systems Security Engineer Sr.
Lockheed Martin
06.2018 - 06.2022
- Responsible for applying an interdisciplinary, collaborative approach to plan, design, develop, validate, and verify cyber solutions across the lifecycle.
- Serves as the primary advisor on all matters, technical and otherwise, involving the administration and maintenance of McAfee ePO.
- Conducts cyber risk assessment activities including threat modeling, vulnerability analysis and analysis of mitigation solutions.
- Plans and produces quarterly pen-testing and phishing exercises, including written reports for documentation and continuity.
- Responsible for administration and day to day analysis of cybersecurity tools including SPLUNK, McAfee EPO, and vulnerability management solutions.
- Secret Security Clearance
IT Support Engineer Sr.
Amazon
09.2017 - 06.2018
- Responsible for monitoring and maintaining computer systems, diagnosing hardware/software faults and solving technical issues including root-cause analysis.
- Trained and mentored junior administrators ensuring foundational knowledge of processes and procedures.
- Maintained the technical inventory; Oversaw the constant availability of technical resources.
- Designed data systems; network included servers, storage programs, required applications, database software, and security protocols.
- Create and improve standard operating procedures used by junior engineers and analysts.
- Provided technical support for hardware and software issues, ensuring minimal downtime for end-users.
System Administrator
HealthTech Solutions, LLC
07.2016 - 09.2017
- Responsible for planning, troubleshooting, configuring, and maintaining network equipment to include routers, switches, VPN, and security appliances.
- Implemented and configured Site-to-Site VPN connection between local network and AWS cloud network.
- Created and implemented disaster recovery procedures to ensure uptime requirements.
- Responsible for the administration of 65+ Microsoft Servers running in Amazon Web Services (AWS).
- Collaborated with stakeholders to produce research and development documents for technology center and company expansion.
- Designed, managed, and maintained group policies for local and cloud domains.
- Maintained current knowledge of IT security tools, NIST, and Risk Management processes.
Network Analyst I
Department of Military Affairs
10.2015 - 07.2016
- Responsible for planning, troubleshooting, configuring, and maintaining network equipment to include routers, switches, and security appliances.
- Conduct research and evaluation of networking technologies and recommend purchase for networking equipment.
- Provide diagnostic support for local networks, interconnections to external networks, and IT systems.
- Analyzed network performance, identifying areas for improvement and implementing solutions to enhance connectivity.
- Managed network security protocols, ensuring compliance with military standards and safeguarding sensitive data.
AppleCare T2 Team Lead
Kelly Services
05.2012 - 09.2015
- Remotely managed and coached a group of 15 advisors in a call center environment.
- Met with Apple representatives regarding site performance, emerging issues, and procedural changes.
- Conducted meetings with other Team Leads regarding emerging trends and issues.
- Provided technical support for iOS devices, iCloud services, and account security.
- Worked with Site Support Engineering to resolve emerging issues and unresolved customer experiences.
- Reviewed customer appeasement for proper classification and documentation.
Education
Master of Science - Computer Science
Kentucky State University
Frankfort, KY07.2017
Bachelor of Science - Computer Science
Kentucky State University
Frankfort, KY05.2015
Skills
- Cyber Incident and Response Team (CIRT)
- Threat hunting
- Threat Modeling
- Penetration Testing
- Vulnerability assessment
- Penetration testing skills
- Security compliance auditing
- Threat intelligence analysis
- Network security expertise
- Risk assessment
- Incident response
- Threat modeling
Affiliations
- Cisco Systems, Inc.
- National Cyber Security Alliance
- InfraGard – Kentucky.
Certification
- CompTIA Security Analyst Professional
- CompTIA CySA+
- CompTIA Security+
Timeline
Cyber Systems Security Engineer Sr.
Lockheed Martin
02.2025 - Current
Sr. Cyber Security Analyst
Optum, INC
06.2022 - 01.2025
Cyber Systems Security Engineer Sr.
Lockheed Martin
06.2018 - 06.2022
IT Support Engineer Sr.
Amazon
09.2017 - 06.2018
System Administrator
HealthTech Solutions, LLC
07.2016 - 09.2017
Network Analyst I
Department of Military Affairs
10.2015 - 07.2016
AppleCare T2 Team Lead
Kelly Services
05.2012 - 09.2015
Bachelor of Science - Computer Science
Kentucky State University
Master of Science - Computer Science
Kentucky State University
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