Mark Webb
Vine Grove
Summary
Dynamic Linux System Administrator with extensive experience at Human Resources Command, specializing in RedHat Enterprise Linux and Ansible automation. Proven track record in enhancing system security and compliance, while effectively managing enterprise-level virtualization tools. Strong problem-solving skills complemented by a commitment to continuous improvement and technical excellence.
Overview
21
21
years of professional experience
4
4
Certification
Work History
Linux Sys Admin
Human Resources Command/PERSINSD
Fort Knox
02.2022 - Current
- Manage, administer and maintain all open system (Linux/Unix) servers at Human Resources Command. Servers are deployed across development, test, production, COOP and training environments
- Maintained RedHat Enterprise Linux (RHEL) versions 6 and 7 operating systems.
- Technical expert for enterprise servers, ensuring full system availability and proper function of systems and interfaces.
- Worked within the organization to design and develop virtualization tools leading to on-prem cloud technologies including Flexpod, VMware, vSphere, vRealize and Docker which will integrate with current on-site technologies such as Red Hat Satellite and Ansible.
- Provide full information assurance compliance via IAVM security patching, STIG settings, vulnerability mitigation strategies, compliancy reporting and SSL certificate requests and tracking for the enterprise.
- Provide change and release management, software and hardware inventory management, and systems baseline and documentation.
- Managed Enterprise data storage for all servers via SAN, Networked Attached Storage, and NFS.
- Work with core partners in obtaining information on and procuring new technologies, developing IT architecture standards, new work tools, and policies and procedures to use them in solving organization problems including work flow.
- Track compliance using the SPAWAR Security Content Automation Protocol scanner (SCAP) across all platforms.
- Utilized ACAS (Assured Compliance Assessment Solution) to monitor and alleviate known and newly released software vulnerabilities across all platforms.
- Analyzed enterprise software and hardware requirements, determining “right size” options for current and future needs.
Information Technology Officer
NOAA/NWS/SR/Key West WFO
Key West
07.2020 - 02.2022
- Maintained AWIPS on a daily basis. Performing checks on drive usage, data ingest, service and resource statuses. Ensured backups were performed as scheduled, testing backups periodically to verify disaster recovery procedures.
- Maintained Windows PC’s, ensuring security patches are installed as needed, systems are on the latest version, and needed reboots are completed. Coordinating with office staff to ensure operations continue during required maintenance.
- Maintained Active Directory environment, Group Policy, DNS, and DHCP.
- Revamped the DHCP configuration for the entire WFO, switching from static IP Addresses to DHCP reservations.
- Updated AWIPS to versions 19.3 and 20.2.3. Preparing for version 20.3.1 which includes the Hyperconverged Infrastructure (HCI) and moving to Python version 3.
- Installed and maintained application software on all systems, Windows and Linux, including all highly specialized systems in the office.
- Supported the upgrade of the Uninterruptable Power Supply (UPS) which supplies power redundancy and filtering to the facility and the AWIPS equipment.
- Updated outdated instructions for AWIPS and Windows procedures, making them available to office members for refresh and training.
- Maintained and organized the WFO NAS drive, removing outdated material, and increasing usability.
- Provided hands on training to new ESA, who is news to the NWS with limited computer skills. Instructed both Windows and Linux instruction.
- Coordinated with Southern Region, NCF and other organizations when required to maintain connectivity to the WFO, ensuring all switches, routers, and outside WAN connections worked as intended.
- Maintained Client/Server WEB applications that utilized JAVA and VB Script. Managed servers running RabbitMQ messaging ques and message brokers.
- Updated and maintained PKI technologies used for server to server access and website access.
Linux Sys Admin
Human Resources Command/PERSINSD
Fort Knox
01.2015 - 07.2020
- Manage, administer and maintain all open system (Linux/Unix) servers at Human Resources Command. Servers are deployed across development, test, production, COOP and training environments.
- Maintained both Solaris 10 and RedHat Enterprise Linux (RHEL) versions 5/6/7 operating systems.
- Monitor system performance and availability of servers in all environments using all available OS management applications and enterprise monitoring solutions.
- Provide full information assurance compliance via IAVM security patching, STIG settings, vulnerability mitigation strategies, compliancy reporting and SSL certificate requests and tracking for the enterprise.
- Provide change and release management, software and hardware inventory management, and systems baseline and documentation.
- Managed Enterprise data storage for all servers via SAN, Networked Attached Storage, NFS, and Samba.
- Built and deployed four new RHEL Satellite management systems to replace outdated versions, completely changing and improving the way we maintain enterprise systems.
- Utilizing enterprise available tools such as ELK and Zabbix, continuously monitored and actioned performance issues across the enterprise.
- Track compliance using the SPAWAR Security Content Automation Protocol scanner (SCAP) across all platforms.
- Utilized ACAS (Assured Compliance Assessment Solution) to monitor and alleviate known and newly released software vulnerabilities across all platforms.
- Analyzed enterprise software and hardware requirements, determining “right size” options for current and future needs.
I.T. Specialist (Policy, Plans and Architecture)
HQ USAFE/A3W
Ramstein AB
04.2013 - 01.2015
- Information Assurance Manager for weather IT assets in European Command (EUCOM) and Africa Command (AFRICOM). Manage certification and accreditation process for the HORACE Weather System, utilizing the Enterprise Information Technology Data Repository (EITDR). Direct FISMA compliance for weather systems and report FISMA metrics in EITDR.
- Analyze requirements and establish plans of action for improving IT applications in the European Theater. Analyzes existing and planned applications, both hardware and software, to determine current and future potential for enhancements.
- Provide cost benefit analysis based upon the organization’s goals and objectives, and available resources recommend adjustments to IT priorities/budgets to meet changing business needs.
- Develop and interpret policy for administering IT systems. Assess policy needs and review, revise, and develop policies to govern IT activities and present recommendations to higher-level management.
- Assess and identify training needs, addressing gaps in competency where they exist in either current or new technology. Develop training programs, or locate and recommend training that ensures users can apply the best techniques in using IT equipment.
- Coordinate, consult, brief and attend meetings representing HQ USAFE/A3W (Weather Division). Attend meetings within the Communication functional communities and brief senior leadership concerning the status of ongoing projects within the division.
System Administrator
21st Operational Weather Squadron
Kapaun AB
03.2012 - 04.2013
- Provide end-to-end, enterprise-level information systems support including server management, workstation management, information assurance, systems engineering and integration, database management, application development, network infrastructure support, and satellite data reception. Collaborate with and conduct liaison activities with the Air Force Weather Agency, the United Kingdom Meteorological Office, Bundeswehr Geographic Information Office and NATO weather agencies.
- Performed patch testing and application for client/server suite. Acted as Information Assurance Officer at squadron level. Managed over 180 user, computer, and e-mail accounts.
- Installed, set-up and maintain Dell servers, including models; 1950, 2900, 2950, M1000 Blade chassis with M600 Blade servers. Installed MS Server 2003, 2008; 32 and 64 bit architecture. Performance monitoring and system tuning.
- Manage servers and workstations onsite, and remotely with MS RDP, DameWare remote connection programs.
- Maintain Dell SAN storage arrays, MD3000, EqualLogic PS series iSCSI, and EMC Clarion fiber channel setups.
- Installed, managed, and provide daily maintenance of the OPS II Distribution servers, responsible for distributing over 25,000 files daily to multiple servers and resource domains, utilizing TCP, FTP, SFTP, HTTP-S and UDP connections.
- Manage Oracle 10g Database server on MS platforms, with SQL Developer, TOAD for Oracle, and SQL Plus command console.
- Assured security baseline configuration management on all servers in the data center, in accordance with both locally determined baselines and centrally managed systems.
- Designed and installed VMWare ESXi 4 virtual environment, successfully migrating 10 servers, while reducing electrical, cooling and space requirements for the operation.
- Designed and successfully maintained ArcServe r16 backup program, with primary and secondary backup servers, archive storage, and 12 connected Microsoft Windows, Oracle and Open Files server clients. With full array of backup methods utilizing full, differential, incremental and de-duplication techniques.
I.T. Specialist (Network)
86th Force Support Squadron
Ramstein AB
08.2004 - 03.2012
- Coordinated Squadron compliance with the Payment Card Industries Data Security Standard (PCI-DSS). Configured security of 50+ LAN’s utilizing firewalls, VLANS, secured Wi-Fi access (WPA2 Enterprise) and strengthened policy and guidelines.
- Coordinated with upper-level management in redesigning and reconfiguring current security programs concerning the secure handling of PCI-DSS data, magnetic card stripe data, CCV data and the physical security required to keep this data confidential.
- Coordinated vulnerability assessments, penetration testing, and RETINA scans for all public facing credit card processing systems.
- Implemented Information Assurance Awareness Program, responsible for the confidentiality, integrity and availability of information resources within the squadron. Prevented unauthorized access to personal and mission critical data utilizing Domain security groups within Active Directory.
- Provided tier I/II/III desktop support via phone, on-site and remote assistance.
- Maintained the Air Force Inns Lodging Touch Property Management System (LTS) for 6 years with 99% uptime. LTS operated in a MS 2003 server environment, using a SQL client/server deployment. Firm knowledge of SQL query analyzer, SQL server user administration and backup routines with SQL.
- Developed and utilized operating system deployment lab to deploy workstation images to over 800 desktop workstations.
Education
Some College (No Degree) - Information Technology
Gulf Coast Community College
Panama City, FLSkills
- Ansible Automation, YAML
- RedHat Enterprise Linux
- Technical guidelines creation
- Technical policies maintenance
- Shell scripting
- Batch scripts
- Operating system patch management
- Openshift Containers, Docker
- Server hardening
- Workstation hardening
Personal Information
Title: Information Technology Officer
Certification
- CISSP, Certified Information Systems Security Professional, 481855
- CompTIA Linux+, COMP00102013884
- RHCSA, Red Hat Certified System Administrator, 150-217-206
- Linux Professional Institute, LPIC-1, LPI000345029
- CompTIA Security+, COMP00102013884
Awards Certificates Training
- RedHat Ansible One Week, 09/01/19
- Docker One Week Training, 08/01/19
- RedHat 7 One Week Boot Camp, 12/01/15
- ISC² CISSP One Week Seminar, 02/01/14
- MCITP Server 2008 Administrator Boot Camp, 10/01/12
- Oracle 10g Database Administration Course, 07/01/12
- CompTIA Security+, 12/01/10
- Employee of the Year, Resource Flight, 01/01/09
- USAF System Administrator Certified, 09/01/04
- Microsoft Certified Professional, Windows NT Server/Workstation/Networking, 12/01/00
Military Service
- U.S. Army, 01/01/86, 01/01/94, Honorable
- U.S. Air Force Reserves, 01/01/02, 01/01/04, Honorable
Timeline
Linux Sys Admin
Human Resources Command/PERSINSD
02.2022 - Current
Information Technology Officer
NOAA/NWS/SR/Key West WFO
07.2020 - 02.2022
Linux Sys Admin
Human Resources Command/PERSINSD
01.2015 - 07.2020
I.T. Specialist (Policy, Plans and Architecture)
HQ USAFE/A3W
04.2013 - 01.2015
System Administrator
21st Operational Weather Squadron
03.2012 - 04.2013
I.T. Specialist (Network)
86th Force Support Squadron
08.2004 - 03.2012
Some College (No Degree) - Information Technology
Gulf Coast Community College
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