Summary
Overview
Work History
Education
Skills
Certification
Timeline
Generic

SEAN HENRY

Orlando,FL

Summary

Highly skilled and certified Cyber Security Engineer with over 12 years of experience in System Administration and Information Security Management, complemented by an active Department of Defense TS/SCI clearance. Possesses hands-on experience with security tools, intrusion detection systems, and vulnerability scanning. Demonstrated ability to quickly learn and adapt to emerging technologies and security threats. Experienced in working and managing projects that have enterprise-wide impact and multi-organization cross functional stakeholders. Currently, fulfills IAT level II and IAM level I 8570 Certifications.

Overview

13
13
years of professional experience
1
1
Certification

Work History

Cyber Security Systems Engineer II

Cole Engineering Services, Inc
09.2022 - Current
  • Managed resource allocation within all Persistent Cyber Training Environment (PCTE) enclaves using Grafana and vSphere for system monitoring and maintenance
  • Utilized and developed scripts to automate tasks, handle administration, collect data, and generate reports.
  • Provided high-level expertise in IT, virtual environments, and network operations to the United States Department of Defense, as well as various foreign government entities and high-ranking officials
  • Documented and shared procedures as educational resources for team members and clients, enhancing collective knowledge
  • Led monitoring processes, enhancing monitoring capabilities and incident response readiness as well as implemented configuration management practices to standardize configurations and minimize vulnerabilities
  • Integrated IDM technologies to enforce access controls and streamline user provisioning processes
  • Proficient in many stages of the software development, as well as large-scale computing, modeling, cybersecurity, and identifying anomalies.

Systems Administrator

DSK Law
09.2020 - 09.2022
  • Maintained and supported physical and virtual servers as well as network infrastructure, ensuring all systems were updated on a regular basis and configured correctly
  • Assisted with the design and planning of future replacements and improvements to technological infrastructure
  • Leveraged CVE databases to track and analyze publicly disclosed security vulnerabilities, improving the effectiveness of threat detection and mitigation strategies
  • Detected and responded to a ransomware attack, locking down affected components and reimaging systems from backups
  • Minimized system downtime and saved the company over $200,000 in ransom demands.
  • Assisted in the onboarding process of new employees by setting up workstations, provisioning accounts, and providing initial IT training as necessary.
  • Delivered Tier 2 and Tier 3 support for problem identification, diagnosis and issue resolution.

Security Specialist

DECO, Inc./NVE, Inc
06.2017 - 07.2019
  • Implemented robust security protocols and conducted regular vulnerability assessments to ensure compliance and protect against potential threats, bolstering overall system resilience and integrity
  • Managed security procedures, instructions, policies, and controlled systems to prevent the compromise or loss of classified/sensitive information
  • Briefed command officials with advice, assistance, and support pertaining to assigned programs along with recommendations for efficiency and cost-effectiveness of the security program
  • First point of contact for 900+ government employees/foreign national clients seeking technical/security assistance over the phone or email
  • Oversaw account management, network rights, and access to systems and equipment

Communications Technician

United States Marine Corps
06.2011 - 05.2017
  • Served as a subject matter expert and point-of-contact as needed on escalated technical issues and problems both over the phone and in person while using ORACLE Problem management software
  • Oversaw the installation, repair, calibration, and maintenance of communications equipment including Secret and Non-Classified Internet Protocol Router Networks (SIPRNet/NIPRNet)
  • Increased system reliability through routine maintenance of communication equipment and infrastructure.
  • Maintained extensive knowledge of policy development in order to interpret policies, procedures, and strategies governing the planning and delivery of services
  • Spearheaded the installation and integration of systems, updates, and enhancements while managing an IT team of 10+ employees
  • Conducted site surveys to assess the feasibility of proposed communication installations, saving time and resources during project planning stages.
  • Managed, maintained, and ensured accountability for $3.5M worth of IT/COMSEC assets.

Education

Bachelor of Science in Information Systems Technology -

Seminole State College
Sanford, FL
01.2021

Skills

  • Windows, UNIX, and Linux OS
  • Identity and Access Management (RedHat)
  • Firewall and Intrusion Detection protocols
  • Proficiency in scripting (Python/PowerShell)
  • Virtualization (Vsphere/HyperV)
  • Subnetting, DNS, Encryption
  • Data management/Analytics
  • Cloud/Network Security
  • System Testing
  • Risk Management Framework

Certification

  • CompTIA Security+ ce Certification (2023)
  • VMware Certified Professional - Data Center Virtualization (2024)
  • Information Technology Client Specialist Certificate (2017)

Timeline

Cyber Security Systems Engineer II

Cole Engineering Services, Inc
09.2022 - Current

Systems Administrator

DSK Law
09.2020 - 09.2022

Security Specialist

DECO, Inc./NVE, Inc
06.2017 - 07.2019

Communications Technician

United States Marine Corps
06.2011 - 05.2017

Bachelor of Science in Information Systems Technology -

Seminole State College
SEAN HENRY