Larry Holbert
Greencastle,United States
Overview
32
32
years of professional experience
1
1
Certification
Work History
Hospital Corpsman
United States Navy
- Worked aboard the USS San Jose AFS-7 home-ported in GUAM for 2 years evaluating wounds for infection and healing, debride wounds, apply and remove sutures
- Preparing/administering medications including injections; caring for the sick and injured
- Maintaining treatment records and reports; supervising shipboard and field environmental sanitation and preventive medicine programs; supervising air, water, food and habitability standards.
Systems Engineer 4
COLSA Corporation
09.2023 - Current
- Applies advanced methods, to design, develop, maintain, and support technical infrastructure that includes network, hardware, database, and/or system software components
- Maintain, update and support Microsoft Windows domain
- Review, maintain and update Active Directory GPOs to ensure both servers and workstations are compliant with DISA policies
- Research and provide recommendations on acquisition of hardware and software
- Provide technical support to users both internally and externally
- Serve as a liaison with vendors and other third-party providers
- Serve as technical Lead for lower-level employees.
Windows System Administrator
Department of the Navy - DISA
07.2022 - 08.2023
- Duties: Administrator Windows Server operating systems on multiple domains
- Install, configure, maintain, manage, and troubleshoot MS Windows Server operating environments and associated components such as the Registry, Active Directory (AD), Internet Information Service (IIS), Domain Name System (DNS), Transmission Control Protocol/Internet Protocol (TCP/IP), Network File Systems (NFS), Basic Input Output System (BIOS), and networking components
- Install, configure, administer, and support secure remote access utilities and applications including Citrix, Forefront Identify Manager, MS Identity Manager, Secure Web Access, Virtualization (Hypervisor, VMWare, etc.), NetScaler, and Remote Desktop Protocol
- Manage clustering at the OS level, leveraging clustering software (ex
- Veritas Clustering, MS Cluster Server, etc.)
- Utilize Windows scripting (PowerShell, Java script, Personal Home Page, DISA standard tools, etc.) to optimize and automate system administrator tasks
- Perform hardware and software technology refreshes, ensuring milestone compliance while coordinating with Mission Partners (MPs) to minimize disruptions
- Manage all tickets (incident, problem, change, service requests, etc.) in accordance with policies and any MP Service Level Agreements (SLAs)
- This encompasses any ticketing system used to record tickets utilized by government personnel in support of mission requirements
- Configure and monitor backups in accordance with applicable policies and guidance and ensure backup failures are corrected within time periods specified within SLAs but not to exceed next business day.
Network Security Engineer
Martin’s Famous Pastry Shoppe
03.2022 - 07.2022
- Duties: Administration of production critical systems including proper backup and recovery duties involved in supporting those systems
- Implement or perform preventative maintenance procedures and maintain documentation
- Monitor system performance and provide security measures, troubleshooting and maintenance as needed
- Analyze information to determine, recommend, and plan system changes to improve or maintain the integrity, stability and security of MIS systems
- Work with MIS and Bakery Engineering team members to complete ongoing projects and tasks in a timely manner
- Strives to maintain and extend useable life of assets and assists with determination of economical service life of assets
- Analyze the effectiveness and efficiency of existing systems; develop and implement strategies for improving or further leveraging these systems
- Diagnose and solve network and system communication problems
- Analyze user needs and software requirements to determine feasibility of solutions within time and cost constraints
- Research, evaluate, and recommend new hardware and software solutions
- Develop and implement new information and operational support systems
- Install, configure and test new MIS systems and equipment
- Setup and manage the process of routine preventative maintenance, support, diagnosis and repair to systems and equipment
- Develop and maintain monitoring mechanisms, along with specialized dashboards, for responsive alerting of network, server, application and device issues.
IT Specialist
Department of the Army
08.2008 - 12.2021
- Duties: Perform review and analysis of security accreditation documentation, validate IA requirements, and develop risk mitigation strategies and IA solutions
- Provide technical support for Army Special Access Program's (SAPs) to ensure that they meet JAFAN 6/3 requirements
- Create baseline images for computer systems using Army Golden Master (AGM)
- Provided support to Biodefense customer in meeting NIST and DHS security controls
- Implemented virtual test environments utilizing specialized software to simulate production environments
- Perform system administration, management, and operation
- Implement and maintain application software approved for use on the systems
- Administer IIS, MS SQL Server, Exchange 2000 and Windows 2012/2016 Server operating systems
- Responsible for evaluating and applying patches/upgrades to applications and operating systems; maintaining awareness of vendor patches and upgrades; scheduling and applying patches/upgrades in accordance with operating needs
- Ensure computer systems are compliant with established configuration guidelines and security controls
- Maintain existing IIS, Exchange and MS SQL Server software administration documentation; create additional administration documentation for the server and associated software
- Configure and monitor system logs, diagnose hardware and software problems, and perform scheduled maintenance within a MS Windows TCP/IP network environment
- Troubleshoot Laptop remote access and VPN issues
- Coordinate development of system documentation for complex assignments in accordance with DoD, agency, major command, and local standards
- Provide high-level technical expertise to accomplish analysis of options and development of the design for advanced automation software
- Performs Systems Administration duties in multiple Microsoft 2016 server / workstation environments of differing classifications and configurations
- Implements new system hardware and software and develop local operating procedures based on the requirements of the user and /or customer ensuring all requirements are met and documented
- Propose upgrade and lifecycle recommendations for systems hardware and software as regulations or customer requirements evolve
- Plans and coordinates the maintenance, upgrade and support of servers / workstations
- Assists in planning and coordinating systems design, acquisition, testing, installation, and support
- Implements strategies for monitoring and improving system security, backup and recovery techniques, as well as utilization and testing strategies
- Lead POC for SCCM 2012
- Monitoring the ongoing operation of the servers / workstations to identify and correct problem areas, and provide utilization reports as needed
- Ensures the optimization of the functionality of networks and systems and diagnoses and recovers failed systems.
Information Assurance Engineer / Systems Administrator
Engineering Systems Solutions
03.2005 - 08.2008
- Duties: Serve as Agent of the Certification Authority (ACA) for Army Special Access Programs responsible for conducting Certification and Accreditation testing for the CIO/G6
- Developed System Security Plan (SSP) templates to assist Army SAP Programs complete their Certification and Accreditation packages
- Develop system security documentation in accordance with the DIACAP, JAFAN 6/3, AR 25-2, and DoD 8500.2 to assist in the C&A process
- Perform review and analysis of security accreditation documentation, validate IA requirements, and develop risk mitigation strategies and IA solutions
- Provide technical support for Army Special Access Program's (SAPs) to ensure that they meet JAFAN 6/3 requirements
- Create baseline images for computer systems using Army Golden Master (AGM)
- Provided support to Biodefense customer in meeting NIST and DHS security controls
- Implemented virtual test environments utilizing specialized software to simulate production environments
- Perform system administration, management, and operation
- Implement and maintain application software approved for use on the systems
- Administer IIS, MS SQL Server, Windows 2012 Server operating system
- Responsible for evaluating and applying patches/upgrades to applications and operating systems; maintaining awareness of vendor patches and upgrades; scheduling and applying patches/upgrades in accordance with operating needs
- Ensure computer systems are compliant with established configuration guidelines and security controls
- Maintain existing IIS, Exchange and MS SQL Server software administration documentation; create additional administration documentation for the server and associated software
- Configure and monitor system logs, diagnose hardware and software problems, and perform scheduled maintenance within a MS Windows TCP/IP network environment
- Troubleshoot Laptop remote access and VPN issues
- Designed and implemented MS Exchange 2000 to Exchange 2007 migrating 150 mailboxes over a 7-day period.
Systems Administrator/Help Desk Support
CACI Inc. - Federal
12.2004 - 03.2005
- Duties: Migration of Windows NT user and computer accounts to Windows 2000 Active Directory
- Daily monitoring and maintenance of corporate NT/2000 hardware and software
- Daily administration of corporate NT/2000 domains
- Rotated as call manager for corporate technical assistance center
- Responsible for daily backups and monitoring of Windows 2000/2003 servers
- Installation of computer hardware and software to include but not limited to MS Windows 2000/2003 Server and Advanced Server, Internet Information Server and RAID-5 configuration
- Migrated Exchange 2000 to Exchange 2003.
Systems Engineer
CMS Information Services, Inc.
02.2002 - 12.2004
- Duties: Windows 2000 Server Deployment for the Social Security Administration Provided technical guidance and proactive support to all headquarters, regional office, state disability office, and regular field office site staffs (including SSA managers and systems coordinators and local vendor support personnel) involved in the server deployment effort across the USA
- Supported site systems staff and contract vendors in: preparing and configuring the servers; joining servers to the proper domain; verifying and monitoring data flow
- Assisted SSA DNNSO Help Desk with network and data flow troubleshooting; migrating data from old legacy servers to the new servers
- Configured network printing and local printers and remote printers and other peripheral devices; restored user profiles, machine settings, drive mappings, data/application connections and screen desktops after the server deployments
- Built SMS 2.0 secondary sites (after prior SMS 1.2 site tear downs) for the member servers; configuring SMS 2.0 on the new servers
- Ensured the site collection, network discovery and successful client installation of SMS services on all LAN servers and workstations at each site
- Verified correct execution of NT shell scripts and modified scripts as necessary
- Provided regular reports to SSA task managers and produced and maintained project-related documentation
- Developed and implemented an automated procedure of remotely assigning/reassigning NTFS permissions using custom shell script (publishing pending), which reduced the time to migrate servers by at least 2 hours at four different sites.
Network Administrator
Engineering Systems Solutions
09.2000 - 02.2002
- Duties: Responsible for the daily operations of a multi-platform, Windows NT 4.0/2000, Sun Solaris Unix and RH Linux 7, providing network services to both local client users and external customers
- Responsible for the integration, configuration, and installation of all LAN/PC hardware components and system/application software
- Systems security and patch updates and installation
- User administration (add/delete/modify) and permission management System audit review and alerting
- Internal and external client/customer support
- Network security policy management
- Configured and troubleshot Cisco routers and switches as well as multi-platform network and client solutions.
PC/Network Specialist
MID Atlantic Medical Services, Inc. (MAMSI)
04.1994 - 09.2000
- Duties: Responsible for hardware, software user support to include: software installs, hardware configuration (e.g., resolving network and system conflicts, full custom setup, etc.) Testing/verifying system functionality, provided administrative support of SPARC servers
- Managed and supported 1000+ WYSE50 terminals to include troubleshooting connectivity issues to the mainframe
- Responsible for providing daily maintenance to assure that all Systems were operational.
Claims Analyst/Examiner
Claims Administration Corporation
07.1991 - 04.1994
- Duties: Process a variety of medical claims with expertise in all aspects of the benefits plan, including medical terminology and use of research manuals
- Thorough understanding of CRT functions and capabilities with general system knowledge Familiar with all aspects of workload procedures and requirements for obtaining additional information.
Education
Completion of Field Medical Service School
Completion of Hospital Corpsman School
CISSP Boot Camp
MCSE Boot Camp
Skills
- Triage
- Medication Management
- Specimen Collection
- Emergency Care
- Vital Signs Management
- Emergency Medical Care
- Care Delivery
- Phlebotomy Expertise
- Medication Administration
- Physician Support
- IV Fluid Administration
- IV Insertion
- Patient Immobilization
- Drug Inventory Management
- Patient Positioning
- Treatment Documentation
- Cardiopulmonary Resuscitation
- Oxygen Equipment
Certification
- Security+ (2019)
- MCSE Certified
- MCDBA Certified
- A+ Certified
- Citrix Certified Administrator
Timeline
Systems Engineer 4
COLSA Corporation
09.2023 - Current
Windows System Administrator
Department of the Navy - DISA
07.2022 - 08.2023
Network Security Engineer
Martin’s Famous Pastry Shoppe
03.2022 - 07.2022
IT Specialist
Department of the Army
08.2008 - 12.2021
Information Assurance Engineer / Systems Administrator
Engineering Systems Solutions
03.2005 - 08.2008
Systems Administrator/Help Desk Support
CACI Inc. - Federal
12.2004 - 03.2005
Systems Engineer
CMS Information Services, Inc.
02.2002 - 12.2004
Network Administrator
Engineering Systems Solutions
09.2000 - 02.2002
PC/Network Specialist
MID Atlantic Medical Services, Inc. (MAMSI)
04.1994 - 09.2000
Claims Analyst/Examiner
Claims Administration Corporation
07.1991 - 04.1994
Hospital Corpsman
United States Navy
Completion of Field Medical Service School
Completion of Hospital Corpsman School
CISSP Boot Camp
MCSE Boot Camp
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