Work Preference
Summary
Overview
Work History
Education
Skills
Certification
Work Availability
Timeline
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Terrence Sivels
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Terrence Sivels

Woodbridge,VA

Work Preference

Job Search Status

Open to work
Desired start date: 2 weeks notice

Desired Job Title

Information System Security ManagerInformation Systems Security OfficerRisk Management SpecialistPolicy and Compliance WriterCybersecurity Specialist

Work Type

Full TimePart TimeContract WorkConsulting

Location Preference

RemoteHybridOn-Site
Location: Woodbridge, VAFort Belvoir, VAQuantico, VA
Open to relocation: No

Important To Me

Work-life balanceFlexible work hoursPaid time offWork from home optionPaid sick leave401k matchHealthcare benefits

Summary

Dynamic Information Systems Security Manager with a proven track record in transforming cybersecurity practices and achieving compliance across classified environments. Spearheaded risk management initiatives, overseeing the implementation of a comprehensive threat management framework and achieving measurable improvements in organizational security.

Overview

1
1

ISC2 CGRC Governance, Risk & Compliance Certification

7
7
years of professional experience
1
1

COMPTIA Security +

1
1

16 Years of Telecommunications, Networking and WAN experience

1
1

DoD Civilian in IT for 23 years.

Work History

Senior Information Security Analyst

Leidos
Alexandria, VA
10.2024 - Current
  • Support Information System Security Officer (ISSO) and Information System Security Manager (ISSM) functions by maintaining and enforcing cybersecurity policies, procedures, and compliance standards
  • Research, update, and document Standard Operating Procedures (SOPs) to ensure alignment with DoD security frameworks and regulatory requirements
  • Ensure compliance with key security directives including NISPOM and DoD Special Access Program (SAP) security standards
  • Administer and manage security controls across multiple classified environments, including SCIF and SAPF facilities
  • Support Authority to Operate (ATO) processes and system compliance activities within regulated environments
  • Coordinate with DoD security offices and stakeholders to ensure adherence to federal cybersecurity policies and procedures
  • Assist in risk mitigation efforts by ensuring proper handling, storage, and protection of classified information and systems

Information System Security Manager

Metric5
Fort Belvoir, VA
12.2023 - 10.2024
  • Led RMF implementation and continuous monitoring activities for two JWICS systems, assessing security controls using automated compliance tools and performing regular reviews to identify vulnerabilities and implement corrective actions
  • Maintained accountability for organizational cybersecurity posture across classified (JWICS), cloud, and on-premises environments, proactively mitigating risks and ensuring compliance with DoD and federal security standards
  • Designed and managed enterprise cybersecurity program, including policy development, requirements gathering, and implementation of a comprehensive threat management framework
  • Supported Authority to Operate (ATO) processes by developing system security documentation, coordinating over 450 Plans of Action and Milestones (POA&Ms), and ensuring compliance with regulatory requirements
  • Ensured systems and configurations met security requirements prior to integration into DoD information systems, validating compliance with RMF, NIST, and applicable security controls
  • Utilized eMASS to analyze, track, and remediate inherited security controls, identifying gaps and executing mitigation strategies to strengthen system security posture

Chief, Cyber Security Operations and Risk Management Branch

DoD - Regional Network Enterprise Center
Fort Belvoir, VA
04.2019 - 12.2023
  • Directed continuous monitoring and risk management activities, identifying threats and vulnerabilities and implementing mitigation strategies to protect NIPRNET and SIPRNET systems
  • Led enterprise RMF and Certification & Accreditation (C&A) efforts, ensuring compliance with DoD 8500.01, DoDI 8510.01, and federal cybersecurity standards across multiple Army systems
  • Acted as primary Information Assurance (IA) authority, advising leadership on cybersecurity risk, system security posture, and compliance requirements for mission-critical IT systems.
  • Conducted vulnerability assessments and enforced security controls using ACAS, STIGs, HBSS, and configuration management processes, enhancing system integrity
  • Oversaw cybersecurity compliance for system design, integration, and change management as voting member on Change Control Boards (CCB), ensuring secure system implementation
  • Supervised cybersecurity personnel, managing workload, performance, and training while coordinating incident response, security reviews, and compliance inspections across organizations

Education

Bachelor of Science - Cyber Security

Southern New Hampshire University
Manchester, NH
04-2026

Advanced Professional Development - Organizational Leadership and Management / Leadership Training

Army Staff Management College
Fort Leavenworth, KS
06-2023

Skills

  • Incident Response
  • Vulnerability management
  • Risk Assessment
  • NIST 800-53
  • DoD Cybersecurity
  • Continuous Monitoring
  • ACAS
  • EMass
  • JSIG
  • STIGs
  • Security Documentation
  • Program Management
  • Team Leadership
  • Information Assurance
  • RMF

Certification

  • ISC2 CGRC
  • CompTIA Security+

Work Availability

monday
tuesday
wednesday
thursday
friday
saturday
sunday
morning
afternoon
evening
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Timeline

Senior Information Security Analyst

Leidos
10.2024 - Current

Information System Security Manager

Metric5
12.2023 - 10.2024

Chief, Cyber Security Operations and Risk Management Branch

DoD - Regional Network Enterprise Center
04.2019 - 12.2023

Bachelor of Science - Cyber Security

Southern New Hampshire University

Advanced Professional Development - Organizational Leadership and Management / Leadership Training

Army Staff Management College

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Terrence Sivels