Mark Choate

• Recognizes and troubleshoots problems with server hardware, operating systems, and applications software.
• Support classified and unclassified lab environments that use Windows and Linux networked systems, with expertise in setting up and managing Microsoft Windows Active Directory, Group Policy Management, SharePoint, and Exchange services.
• Supporting internal customers, designing, implementing and managing lab infrastructure to meet the customer requirements.
• In this role, we build, configure, administer and troubleshoot Windows (and Linux) servers and user workstation hardware and software; design and implement workgroup-scale networks; build and manage authentication, file-share, and other collaboration servers to support groups of heterogeneous client systems.
• We work with facilities security staff to develop and apply hardening steps for systems for classified use to NISPOM Chapter 8, JAFAN, and other customer standards.
• Monitors UNIX server alerts as well as the installation, configuration, and maintenance of Linux operating systems and server hardware.
• Collaborated with facilities security to develop system hardening procedures, enhancing security posture in line with RMF requirements.
• Administered and maintained RedHat 7.6 servers, ensuring optimal performance and security.
• Automating server configuration, application deployment, and orchestration of tasks across both Windows and Linux environments.
• Developed Python scripts to streamline system administration tasks, enhance automation, and improve operational efficiency.
• Top Secret Clearance

• Successful interaction and teaming with EBS team members, management and site customers on technical issues.
• Applying technical expertise and teaming with other resources to develop and implement technical solutions to a wide range of complex problems.
• Works independently with a sense of urgency and exceptional customer service skills.
• Provides weekly written updates on status of current tickets, open issues and projects.
• Performs desktop and laptop system deployments including hardware and software configurations.
• Supports mobile devices such as the iPhone, iPad and Pro Devices.
• Responsible for accurate tracking of all assets supported by Desktop Support Performs troubleshooting of supported desktop operating systems and applications.
• Documents system problems and resolution for future reference.
• Maintains technical documentation related to the configuration of production components (i.e. hardware, Operating system, applications, management tools, etc.) including installation and troubleshooting.
• Experience providing Desktop support (Win 7 & Win 10).
• Experience providing software applications support including antivirus and encryption software.
• Experience with supporting tech refresh, imaging, configuration management.
• Experience in computer hardware support including troubleshooting issues and replacement of internal hardware.
• Experience supporting iPhones.
• Network troubleshooting experience and knowledge of TCP/IP, DHCP, DNS, VPN, and WAN technologies.
• Experience supporting network printers.
• Proven strong collaboration and teaming skills.
• Proven ability to work under very limited direct supervision.
• Top Secret Clearance

• Provide support for the day-to-day operations of host and end user computers by monitoring system performance, configuration, maintenance and repair.
• Ensure that records of system downtime and equipment inventory are properly maintained and respond to all internal help desk tickets in a timely manner.
• Assist in developing new system and application implementation plans and testing procedures to ensure operational reliability.
• Perform troubleshooting as required. Lead problem-solving efforts often involving outside vendors and other support personnel and/or organizations.
• Establish, maintain and manage end-user accounts. Install, modify and maintain systems and utility software on server computer systems.
• Provide server support related to other software. Adhere to guidelines and methods for the installation and management of the host computer operating systems, disk arrays, fiber channel switches, tape libraries and other components.
• Monitor the data center and computer host systems including hardware, software and equipment Administer user accounts in Active Directory, Administer user account in Exchange.
• Providing desktop support the company user base.
• Running backups, Network support administration add, removing user accounts.
• Installing new hardware software.
• Desktop, Server, installation, maintenance and repair.
• Provided support, troubleshoot and build upon existing networks that are largely Windows based Monitor datacenter servers replace hard drives, repair servers mother boards and parts.
• Ticketing system for caseloads is RT Responsible for supporting Microsoft operating systems and desktop applications.
• Self-motivated, with a strong sense of personal responsibility.
• Worked effectively in fast-paced environments.
• Skilled at working independently and collaboratively in a team environment.
• Proven ability to learn quickly and adapt to new situations.

• LAN/WAN networks, repaired systems hardware and software failures, and setup network printing.
• Upgraded patch and firmware workstation, systems files and performed systems updates/ downloaded of third party windows security patches and fixes.
• Repairing systems failures and trained users on both hardware software usage and logged and resolved helpdesk calls, ticket system. Maintained systems updates, removed viruses and spy-ware from user’s computer systems and repaired damage and performed data recovery.
• Security: protecting against malicious software and external threats.
• Network: providing server support and maintaining communication systems.
• Administration: maintaining office systems and archives.
• Support: troubleshooting for employees or customers.
• Mobile: designing apps and new tech for smartphones and tablets.
• Supported staff members in their daily tasks, reducing workload burden and allowing for increased focus on higher-priority assignments.
• Gained valuable experience working within a specific industry, applying learned concepts directly into relevant work situations.

As a Support Engineer I provide support for more than 200 different types of Sun Systems and products which are Sun UNIX, Solaris OS /Midrange Systems. I also provided spare parts, perform onsite Diagnostics, train on the most updated Sun systems out today.

• Responsible for servicing CPU, Disk Drives, System Boards, PCI cards DIMMs, which includes all internal parts replacements. I am also responsible for upgrading firmware, installing patches, configuring Network, running diags, and troubleshooting systems, supporting top government, and commercial site.
• Evaluated emerging technologies for potential integration into field support operations, staying ahead of industry trends and maintaining a competitive edge.
• Enhanced client relationships by providing comprehensive field support and addressing concerns promptly.
• Increased sales revenue by providing outstanding field support and product knowledge to the sales team.
• Coordinated with sales teams to align field support efforts with broader company objectives, maximizing overall effectiveness.

• Provided technical support to Global users, resolved technical questions regarding network printing and network access.
• Troubleshoot and repaired network failures such as cables and routers.
• Performed backups analyzed Explorer Data of network operating systems.
• Installed TCP/IP software and setup IP addresses, installed patches and firmware, troubleshoot and repaired systems failures and application errors.
• Resolved connectivity issues in both remote access and on the LAN/WAN networks, repaired systems hardware and software failures, and setup network printing.
• Upgraded patch and firmware workstation, systems files and performed systems updates/ downloaded of third party windows security patches and fixes.
• Repairing systems failures and trained users on both hardware software usage and logged and resolved helpdesk calls, ticket system. Maintained systems updates, removed viruses and spy-ware from user’s computer systems and repaired damage and performed data recovery.
• Sun Hardware Supported:
• Sun Fire V210/V240/V440/V480/V490/V880/V890
• Sun Fire V20z/V40z/V60z
• Ultra 5/10/30/60/80/450
• Ultra Enterprise - 250 /450 / 3000 / 3500 / 4000 / 4500 / 5000 / 5500 / 6000
• /6500
• Ultra Enterprise 220R/420

• Responsible for technical support, diagnosing, and solving test system problems in the R&D department.
• Installed and configured test station computers, using program to run automated wafer probe and package devices for high tech devices.
• Designed and build test fixtures, also build prototype circuits for the engineering lab. I configured lab computers so results would be recorded daily.
• We also conduct environment study's on wafer and package devices at commercial and military specification.
• Collected data on all devices type, and stored results on meg tape to study the results of the current, voltage, and switching speed of micro circuits.
• Responsible for backing up data and restoring the test Labs Main frames due to power outages.
• Worked on Patriot and Hawk Missile Devices and many other chip types.
• Evaluated emerging technologies in the field of radio frequency testing, keeping abreast of industry trends to maintain a cutting-edge skill set.
• Collaborated with engineering teams, providing valuable input on design modifications to improve product performance in RF tests.
• Demonstrated strong problem-solving abilities during troubleshooting sessions, quickly identifying issues and implementing effective solutions to restore proper functionality to RF equipment.