Lavar Freeman
Washington,DC
Summary
Dynamic professional with a strong foundation in Cyber Security, Information Security, and System Administration. Proven track record of implementing robust security protocols and enhancing system integrity, resulting in a 30% reduction in vulnerabilities. Core competencies include risk assessment, threat analysis, and incident response. Seeking to leverage expertise to drive innovative security solutions in a forward-thinking organization.
Overview
13
13
years of professional experience
1
1
Certification
Work History
EVAP Engineer
ECS Federal
02.2024 - Current
- Ability to conduct Vulnerability Assessments using industry tools - NESSUS, Teneble, etc
- Experience with Tenable (Tenable.io or Tenable.sc) in an enterprise environment highly preferred
- Experience in vulnerability management strategies, standards, procedures and technologies across infrastructure and application-level vulnerabilities
- Experience scanning Windows, RHEL and Centos Operating Systems and troubleshooting scans, to include the ability to communicate with customers on a daily basis describing the results of scans
- Experience scanning Virtual environments to include VMware vSphere infrastructures
- Network devices, Databases (Oracle, MSSQL, MySql, Postgres), and websites web with tenable.sc
- Intermediate to advanced knowledge of the following platforms in an enterprise environment: Windows and RHEL, routing, switching, IDS, IPS, Firewalls
- An understanding of mapping and scanning applications and systems, including port scanning, identifying services and configurations, application flow charting, and session analysis
Senior Security Engineer
FGS, LLC.
04.2023 - 02.2024
- Implementation, integration, testing, and deployment of functional enhancements for NAVINTEL enterprise-wide Intelligence Community Directive (ICD) 502 Integrated Defense of the IC Information Environment, to further automate and gain efficiencies in business processes and workflow for the NAVINTEL IA Defense of the Enterprise implementation of the ACAS tool for network monitoring, network vulnerability identification and remediation and network security compliance
- Provided Subject Matter Expert (SME) level system administration support to NAVINTEL IA personnel providing the core system administration functions for ACAS and its components eg, Security Center, Nessus User Interface, Xtool, 3D Tool, Passive Vulnerability Scanner
- Assisted with the implementation of ICD-502 annual report generation capabilities within in-accordance-with (IAW) NAVINTEL IA and Office of National Director of Intelligence (ODNI) reporting requirements
- Provided expert level guidance on planning, implementation, training, and execution of enterprise support for NAVINTEL personnel and Fleet customers
- Coordinated NAVINTEL IA personnel to upgrade ACAS to the latest software releases and apply patches as they become available for Linux/RHEL
ISSE
MMTSI
12.2022 - 04.2023
- Ensured Security Center(SC) is being updated regularly; address unsuccessful updates of the SC and identify the root cause of the unsuccessful update
- Performed Nessus vulnerability scans, Nessus agent scans
- Conducted vulnerability analysis, research, collaborate with System Administrators to mitigate identified vulnerabilities and/or author Plans of Actions and Milestones (PO&AM) as needed
- Configured, operate, and maintain HBSS and its components (ePolicy Orchestrator, McAfee Agent, Data Loss Prevention, Host Intrusion Prevention System, Policy Auditor, ESS, Asset Baseline Monitor, and Virus Scan Enterprise) on Windows and Linux creating exceptions to allow essential processes to continue uninterrupted
- Provided guidance on vulnerability and malware remediation
- Updated Remedy weekly with Vulnerability findings
- Created POA&M for system Vulnerability that can’t be mitigated
- Collaborated with ISSO to address RMF security controls
- Provided Assessment and Authorization artifacts for ATO
Senior System Administrator
Prime Tech
04.2022 - 12.2022
- Deployed, secure, sustain and provide reliable access to servers, databases, software and tools on identified networks
- Address issues with and provide recommendations for procurement of new systems, upgrades, configuration changes, licensing, and software products
- Participate in Authorized Service Interruption (ASI) process development and implementation to provide minimal system downtime
- Active Directory Management
- Group Policy Management and Administration
- Identify, troubleshoot, and resolve server/system/application issues and provide feedback to customer base on Windows and Linux
- Familiarity with DoD Security Technical Implementation Guide (STIG) process
Information Technology/Assurance Specialist 2
Chenega MIOS
11.2020 - 04.2022
- Maintained network and standalone servers, workstations, network access
- Analyzed and troubleshoot system anomalies to ensure optimum equipment performance
- Prepared system for operational use and support operational tests
- Remediated AIS vulnerabilities and implement countermeasures as directed
- Ensured AIS and network nodes are operated, maintained, and disposed of in accordance with security policies and practices
- Developed and manage a detailed project schedule and work plan
- Provided project updates on a consistent basis to various stakeholders about strategy, adjustments, and progress
- Managed contracts with vendors and suppliers by assigning tasks and communicating expected deliverables
- Utilized industry best practices, techniques, and standards throughout entire project execution
Computer Systems Administrator
IDA
07.2019 - 11.2020
- Configured Group Policies and STIGs for Chrome and Microsoft Edge
- Performed PC refreshes, rebuilds and reassignments, testing new hardware and software, application life management
- Managed and integrate assigned applications via the Application Life Cycle process for software such as: Adobe Acrobat, Reader, Firefox, Chrome and Flash products
- Assisted with administering Microsoft Systems Center Configuration Manager (SCCM), McAfee Enterprise Policy Orchestor (ePO) and SIPRNet Host Based Security System (HBSS)
- Aide the automation process through scripting
- Maintained classified workstations within information assurance requirements; ensures all systems meet or exceed the business and security requirements in accordance with IDA, DOD, NSA, DISA and DSS directives and guidelines
- Followed standard operating procedures and processes
System Administrator
Agile Defense
10.2017 - 07.2019
- Provided day-to-day technical assistance to high end VIP customers at the Director level for a Government agency
- Evaluated and modify system’s performance
- Supported for government and contractor personnel for PC, mobile devices, iDevices, and associated software packages, network services and Internet applications
- In-process and out-processed personnel which can include requirement analysis, training and assistance as required
- Supported LANs, WANs, network segments, Internet, and intranet systems
- Ability to troubleshoot issues and provide engineering solutions for the issues
- Maintained integrity of the network, server deployment, and security
- Administered servers, laptop and desktop computers, printers, routers, switches, firewalls, phones, company mobile phones, smartphones, software deployment, security updates and patches
- Migrated users to new Hardware and Operating System
- Experienced with implementing DOD STIGS on windows 10 workstations and office applications
- Analyzed ACAS/Vulnerability reports to include resolving or mitigate findings
- Patched management tools to deploy third party and windows patches
Technical Support Analyst
Dell Inc.
07.2016 - 10.2017
- Provided technical support and training to personal computer and PC network users
- Assisted users in solving problems using available hardware and software tools
- Support, install, and maintain personal computers, local area networks, server hardware, operating systems, software, antivirus, and related IT sanctioned peripherals
- Adjusted Active Directory (AD) to classify network devices and update passwords
- Disabled and enabled computers for network access
- Performed Data recovery
- Supported around 200 users
- Configured mobile devices
Printer Technician/Deskside Support
Teksystems
06.2012 - 07.2016
- Provided support 2000 users
- Updated the inventory using Asset Management
- Worked on local and networked printers and resolve tickets
- Configured the conference room for all users
- Replaced maintenance kits for Lexmark printers
- Performed maintenance for large Konica printers
- Created accounts and move laptops to the appropriate OU with Active Directory (AD)
- Pushed image and software through SCCM Client Injector
- Provided support for 2000+ users
- Documented tickets using ServiceNow
- Offered support to multiple buildings, transferred users over to new system through migration
Education
Associates Degree - Network Management and Security
Stratford University
03.2019
Skills
- Windows Server 2012
- Linux Kali
- Linux CentOS 7
- Linux CentOS 8
- Windows 10
- Windows 8
- Windows 7
- MS 98
- MS 2000
- MS Windows Vista
- MS Windows XP
- MS Windows Server 2003
- MS Office Suite 2000
- MS Office Suite 2003
- MS Office Suite 2007
- MS Office Suite 2010
- Access
- Excel
- Outlook
- PowerPoint
- Word
- Norton Ghost
- Active Directory
- VMware
- Amazon Web Services (AWS)
- ACAS
- HP desktops
- Dell desktops
- HP laptops
- HP printers
- General computer builds
- Repairs
- Hardware installations
- Hardware swaps
- General networking experience
- Troubleshooting connections
- Activating ports
- Clerical skills
- Data entry
- Customer service support
- Leadership experience
Certification
- Certified in CyberSecurity, 09/01/25
- Security+, 09/01/26
Clearance
Top Secret/SCI/CI Poly, 08/01/21
Timeline
EVAP Engineer
ECS Federal
02.2024 - Current
Senior Security Engineer
FGS, LLC.
04.2023 - 02.2024
ISSE
MMTSI
12.2022 - 04.2023
Senior System Administrator
Prime Tech
04.2022 - 12.2022
Information Technology/Assurance Specialist 2
Chenega MIOS
11.2020 - 04.2022
Computer Systems Administrator
IDA
07.2019 - 11.2020
System Administrator
Agile Defense
10.2017 - 07.2019
Technical Support Analyst
Dell Inc.
07.2016 - 10.2017
Printer Technician/Deskside Support
Teksystems
06.2012 - 07.2016
Associates Degree - Network Management and Security
Stratford University