DAVID Dunbar

• Train and mentor new employees on the Enterprise Infrastructure team. Ensure team members have proper privileges (not Admin on everything) and access to proper documentation on Confluence and SharePoint sites.
• Support team as necessary which includes being available by phone when junior team members encounter situations
• Mitigate SAN issues for multiple sites and clients which includes investigating the cause for low storage, allocating space when required, working with vendors for support and sending storage reports to clients. Collaborate with software development teams to produce required SAN utilization and projection reports to the client. Replace and install drives as well as SAN controllers which can require specific vendor commands. Perform firmware updates on controllers. This includes HPE 3PAR, Dell Compellants, PowerStores, PowerScales
• Replace failed drives and install new drives to expand the SAN as needed
• Create additional storage on clusters as required and identify why it was necessary as well as report remaining available storage to internal stakeholders and clients
• Utilize vendor tools such as OME and OneView to monitor hardware including temperature. Set up and maintain alerting for monitoring tools.
• Mitigate Veeam Backup issues and send updates to internal stakeholders. Perform VM restores when necessary, prepare and run Backups prior to maintenance windows for other departments. Send daily Backup reports, including remediation, to clients and internal stakeholders. Update and maintain Veeam, including adding new objects to Backup jobs. Redirect Backups to other locations as needed due to communication issues, performance reasons or need for additional storage. Use VeeamOne as a maintenance monitoring tool. Utilize Veeam Enterprise Manager for the Backup environment. Use of Dell Data Domains as a "landing platform" to expedite Backups. Familiar with Veeam Recovery Orchestrator.
• Mitigate security vulnerabilities as a Security Queue Manager using Tenable. Work with other departments and contractors to resolve vulnerabilities detected by the security scanner as well as important security updates sent by vendors such as Google Chrome updates and Dell firmware updates. Also, will remediate vulnerabilities as necessary such as quoted paths in registries. Update clients with weekly vulnerability scan reports. Discuss next steps with clients for remediation, which may include exclusions due to lack of vendor support. Provide documentation in Confluence such as installing and maintaining Symantec. Install, Configure and maintain Symantec for different environments. This includes updating licensing.
• Work with Hyper-V and remediate VMs that do not migrate. Run Failover Cluster Validation reports. Involve Microsoft support as necessary to provide root cause analysis to be provided to the client.
• Implement Syslogs (Kiwi and Graylog) and monitor
• Work with and administrate Microsoft Windows Server (2012 - 2022), configure Windows IIS, Linux (RHEL, Almalinux, Ubuntu, CentOS, Oracle 8 and 9, HPE Linux), Solar Winds (Orion), JIRA (Ticketing Administrator and Confluence), Nessus/Tenable.
• Create and provide Technical Documentation for clients and company
• Perform Root Cause Analysis and provide documentation to internal stakeholders and the clients
• Set up and use Microsoft CA (certificate authority) for secure certificates. Implement the certificates to necessary services (i.e. SQL 2019 using configuration manager, iLO, iDRAC and Linux certificates)
• Setup Failover clusters to include HQ and DR, Primary and Secondary sites as well as stretch clusters and single site failover clusters.
• Enhance system performance by implementing and maintaining server infrastructure, ensuring minimal downtime and optimal efficiency by following best practices. Examples include HPE SAN rcg (Remote Copy Group) setup for a stretch cluster, CPU agnostic values and startup memory for specific types of VMs. Replace/upgrade drives, memory and other hardware as necessary. Perform firmware updates.
• Maintain up-to-date knowledge of industry trends, emerging technologies, and best practices in system administration. This also includes cybersecurity risks and other vulnerabilities.
• Work with vendors, such as Microsoft, Dell, HPE, Tenable, Symantec and Superna for optimal configuration of systems and recommendations as well as root cause analysis and remediate when problems arise.
• Work with vendors and customers for licensing such as Veeam, Microsoft, Dell and HPE license/support renewals and other software/hardware renewals
• Act as a liaison between internal departments and business stakeholders, ensuring effective communication of requirements, expectations and resolutions

• Assist with AD credentials for onboarding, employee turnover and password resets. Create AD roles and work with DNS to add new computers to a domain and refresh DNS. Also, trouble shoot DNS
• Use tools such as NetSpot and WireShark to help identify and resolve network issues. Replace SFPs and/or fiber as required. Replace Cat5/6 as needed and replace RJ45 connectors. Familiar with type B and A connectors and terminate as required. Document connections between locations. Also, tracing cables to include toning and manual tracing.
• Assist when new situations arise, often leading to longer days until situation is resolved
• Perform some work in restricted data centers
• Part of Systems Acceptance QC team. QC new Failover Clusters as they come online, to include remediations. Provide documentation
• Support collaboration and giving credit to others when credit is earned
• Brought in for special projects requiring abstract observation and analytical thought. Asked to assist with proper "flow" of projects and make the process concrete.
• One of a few JIRA Administrators to help support 365 24/7 operations. Create and edit confluence pages, JIRA ticket issues such as the ticket is not transferring to the correct team or person. Adding team members to JIRA
• Worked many hours and days with Microsoft and HPE support to remediate a client’s failover cluster

• Supervised end-user support efforts, designed policies to establish consistent service guidelines and reliable ticket resolution
• Performed routine inspections on equipment
• Performed on-call duties which included 24/7-365 tech support for technicians and the client on a rotating schedule of every 2 weeks with one other person
• Communicated directly with the client and provided documentation as needed
• Worked with vendor support as needed. This included firmware updates for MSA (HPE Mass Storage Array) controllers, Linux Red Hat, Microsoft and other third-party support.
• Knowledge of Linux, UNIX, Windows, VMS and Oracle based systems and would troubleshoot software systems i.e.: windows registry issues and Linux issues
• Added systems to Domain and ensured Group Policy was enforced
• Installed Symantec Endpoint Protection on systems
• Worked with third party vendors to resolve and update system issues
• Worked with clients to update networks when necessary, including adding fiber media converters to help mitigate power surges to equipment
• Created IP schemas for clients
• Wrote and provided Technical Documentation to clients and company personnel
• Reduced downtime by proactively monitoring system health and addressing issues before the issue escalated.
• Perform firmware updates.
• Set up thermal POS printers and created documentation for SOP

• Worked on installation and assisted with configuration of several computer systems for client including HPE Hosts, Windows Desktops, HPE SAN Controllers via fiber channel and Dell Hosts.
• Setup and maintained servers which included RAID 1 minimum, usually RAID 6
• Supported Cisco Switches and HPE Mass Storage Devices including MSA and SAN controllers
• Reported regular status and updates directly to the client on several levels via emails, phone calls and meetings
• Installed and replaced fiber in Data Centers as required to ensure uninterrupted 24/7-365 communication between systems
• Supported and helped design client projects, such as electronic interfaces, program PCI boards, network solutions for new remote locations
• Installed, maintained and monitored IP based cameras
• Supervised Electronic and Software technicians and ensured proper procedures were followed as well as proper shift coverage was available
• Performed one on one with team members for evaluations
• Performed Root Cause Analysis
• Performed counseling as necessary
• Part of the Test Team for new systems

• Supervise end-user support efforts, designing policies to establish consistent service guidelines and reliable ticket resolution.
• Manage daily activities, assigned tasks to specific staff members and utilized proven management techniques to cut workflow downtime and maximize revenues.
• Reassigned from ITS Lead Maintenance Technician to Network Software & Systems Lead Technician
• Perform routine inspections on equipment
• One of two people responsible for alternating 24-7 On Call Technical Support
• Currently working on installation and assisting with configuration of several computer systems for client including HP Sans Controllers for mass storage via fiber.
• Work on installation/configuration and handling tech support for new toll systems being installed for client. This includes peripherals as well as software which includes work with/on Linux, UNIX, Windows, VMS and Oracle based systems.
• Supporting Cisco Systems, HP Mass Storage and Juniper Systems
• Report directly to client on several levels (everyone from Training Coordinators to Director) via emails and meetings
• Train Technicians and other Lead Technicians
• Brought in to work on all special projects
• Oversee daily operations, including prioritizing and delegating tasks and assignments and implementing strategies to optimize workflows

• Properly completed work reports for each field visit.
• Provided exemplary customer service on each field visit according to TransCore' s guidelines.
• Maintained company field response vehicle stocked with repair and replacement parts
• Was part of Storm Response Team which surveyed sites for damage and functionality after major storms i.e.: Hurricanes
• Performed and documented regular PM schedules
• Completed partial or full dismantling of equipment to quickly repair or replace defective components and restore functionality.
• Installed and repaired RF, ground loops, pc's, fiber, programming PCL boards and repairing broken wires on PCB and other boards via solder, work with/on Linux, Unix, Windows, VMS and Oracle based systems. Repaired fiber connections and other communication systems including cat 5, cat 5e and cat 6 connections.
• Regular worked with and replaced fiber converters and network switches
• Worked on UPS systems and replaced power modules and batteries when required
• Was often involved with special projects such as installation/configuration of new toll equipment
• Handled On Call assignments every 6 weeks
• Helped to train other technicians

• Provided technical support to troubleshoot, repair and maintain operational efficiencies in hydraulic, mechanical and electrical systems.
• Installed and serviced Fire Alarms, Gate Access, Residential and Commercial Security Systems including CCTV
• Worked on innovative technology such as voice alarm systems
• Was responsible for several sites throughout FL
• Positively engaged with customers and maintained professional appearance at all times as company representative.
• Maintained company field response vehicle stocked with repair and replacement parts
• Properly completed work reports for each field visit.
• Operated all hand tools and power equipment according to company safety procedures.
• Provided exemplary customer service on each field visit according to Lane Electronics' guidelines.
• Provided telephone support to customers by determining cause of issue and explaining most effective solution.
• Demonstrated to customers proper methods for operating equipment after it had been installed.
• Trained other technicians on security and CCTV systems

• Trained in communications including Satellite, RF and Fiber
• Upgraded and serviced Windows based PC's for all Armed Forces
• Provided Technical PC Support to Base Command
• Developed SOP (Standard Operating Procedures) for PC upgrades
• Was Quality Control for PC Upgrades
• Honorable Discharge