REXFORD BENNETT
Falling Waters,United States
Summary
Results-driven individual with a passion for continuous learning and innovation. Known for leveraging analytical thinking and creativity to solve problems and deliver high-impact solutions in fast-paced environments, known for high productivity and efficient task completion. Possess specialized skills in firewall configuration, encryption technologies, and incident response planning. Excel at problem-solving, critical thinking, and communication, enabling successful navigation through complex security challenges. Committed to safeguarding data integrity and confidentiality with a proactive approach.
Overview
5
5
years of professional experience
Work History
Security Systems Engineer
Alpha Omega Integration
Vienna, VA
10.2024 - 02.2025
- Planned, engineered, and supported data center technology to provide protected and safe data storage.
- Managed server hardening projects ensuring all servers are hardened according to industry standards.
- Deployed new firewalls or upgraded existing ones according to customer requirements.
- Performed system maintenance by handling security verifications of systems and processes.
- Monitored system performance and identified potential risks and vulnerabilities.
- Assisted in the development of disaster recovery plans for mission critical systems.
- Configured and maintained network security systems to ensure secure access to all authorized personnel.
- Implemented multi-factor authentication solutions for remote access users.
- Performed vulnerability scans using approved tools such as Nessus, Nmap, QualysGuard.
- Maintained up-to-date knowledge of threats and vulnerabilities in the information security landscape.
- Safeguarded data through installation of firewalls and data encryption programs.
- Reviewed firewall logs, intrusion detection system alerts, and other security events to identify suspicious activity.
- Implemented security policies, procedures, and best practices in accordance with industry standards.
- Conducted regular reviews of user accounts and privileges to ensure compliance with organizational security policies.
- Contributed to task list for maintaining network security across workstations, servers and peripherals.
- Collaborated closely with team members to achieve project objectives and meet deadlines.
- Utilized various software and tools to streamline processes and optimize performance.
- Ensured compliance with regulatory requirements such as HIPAA and PCI DSS.
INFORMATION ASSURANCE ENGINEER - SR. CYBERSECURITY ENGINEER
Global Enterprise Services, LLC
FT. Meade, United States
08.2023 - 02.2025
- Lead cybersecurity tasks and collaborate with customers, stakeholders, and team members
- Participates in regular briefings with the customer on cybersecurity status, including preparing briefing materials
- Work closely with the DAFA Cyber team to support ATO conditions and requirements for the DoDNET migration effort.
- Establish and satisfy information assurance and security requirements based on the analysis of user, policy, regulatory, and resource demands.
- Performs security risk assessments, vulnerability management, and control evaluations using eMASS, Nessus, ACAS, Host-Based Security System (HBSS) scan reports for deficiencies and remediation of findings.
- Assess system compliance against NIST and DOD security requirements, to include the NIST 800-53 controls, DISA Security Technical Implementation Guides (STIGs), and Security Requirements Guides (SRGs).
- Produce evidence as necessary to support the compliance status of NIST and DOD security requirements.
- Work with system administrators, engineers, and ISSM (Information Systems Security Manager) to create or update system/site policies, procedures, and process guides
- Working independently helps others, and asking for help without hesitation is important.
- Provide weekly status reports to the security engineering lead, documenting new processes and procedures as related to new infrastructure.
- Knowledge of cybersecurity assessment and authorization (A&A), and associated processes, procedures, and activities, in accordance with DoDID 8500.01, DoDI 8551.01, and other applicable NIST instructions and guidelines. Developed accreditation packages per RMF guidelines, and maintained compliance.
- Recommends security solution mitigations and enhancements, supporting information assurance guidelines and customer requirements.
- Performs vulnerability and risk analyses of computer systems and applications during all phases of the system development life cycle.
- Provides input and implements an organizational access control policy and plan in compliance with risk levels defined in the National Institute of Standards and Technology (NIST) 800-53, Rev 4, Access Control family of controls, to include auditing annually, at a minimum.
Information Systems Security Engineer
Sierra Nevada Corporation
Hagerstown, United States
04.2020 - 07.2023
- Performed regular system audits to identify any potential vulnerabilities or threats.
- Worked successfully with diverse group of coworkers to accomplish goals and address issues related to our products and services.
- Conducted system analysis and testing to identify and resolve technical issues or inefficiencies.
- Demonstrated strong problem-solving skills, resolving issues efficiently and effectively.
- Performed system maintenance by handling the security verification of systems and processes.
- Audited networks and security systems to identify vulnerabilities.
- Analyzed system risk to identify and implement appropriate security countermeasures.
- Designed, implemented, and maintained security systems and controls.
- Assisted in developing disaster recovery plans for critical systems, applications and data stores.
- Configured firewalls, intrusion detection systems and network access control lists to secure the organization's networks.
- Conducted periodic vulnerability scans using automated tools to detect weaknesses in the systems.
Education
Bachelor's - Management Information Systems
University of Maryland Global Campus
02.2025
Skills
- Encryption technologies
- Access control management
- Compliance auditing
- Security policy development
- Cloud security
- Disaster recovery planning
- Application security
- Vulnerability assessment
- User awareness training
- Penetration testing
- Network security design
- Two-factor authentication
- Virtualization security
- Firewall configuration
- Endpoint protection
- Security information and event management
- Identity management
- Information Assurance,
- Security Controls Implementation
Highlights Of Technical Expertise
- Compliance Standards: FEDRAMP, DISA STIGS, NIST Guidelines
- Certification and Accreditation (C&A), Assessment and Authorization (A&A)
- Vulnerability Assessment, Network Vulnerability Scanning, Information Assurance
- Systems and tools: Nessus, Splunk, SharePoint, Nexpose, ServiceNow, Microsoft Office
- Frameworks: NIST SP 800-53, FIPS, RMF, PCI DSS, ISO 27001
- Cybersecurity documentation: SSP, SAR, POA&M, ATO process
- Security Controls Implementation: NIST 800-53 Rev 4 and 5, FISMA, FedRAMP
- Experience with DoD networks and compliance reporting
Clearance
Active SECRET CLEARANCE
Education Certification
- Certified Information Security Manager (CISM)
- CompTIA Advanced Security Practitioner (CASP+)
- CompTIA Security+ Ce
- Scrum Master Accredited Certification - (SCM)
- CompTIA Network+ Ce
- Bachelor's in Management Information Systems, University of Maryland Global Campus, In progress
Personal Information
Citizenship: United States Citizen
Timeline
Security Systems Engineer
Alpha Omega Integration
10.2024 - 02.2025
INFORMATION ASSURANCE ENGINEER - SR. CYBERSECURITY ENGINEER
Global Enterprise Services, LLC
08.2023 - 02.2025
Information Systems Security Engineer
Sierra Nevada Corporation
04.2020 - 07.2023
Bachelor's - Management Information Systems
University of Maryland Global Campus
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