Darrell Tollett **** Old Plank Rd Fredericksburg, VA 22407 Mobile: +540-***-**** E mail: *********@*****.***
Active Security Clearance: Sensitive Compartmentalized Information (TS/SCI)
Clearance Issuing Agency: Dept of Defense
Polygraph: Counter Intelligence Polygraph
SUMMARY:
•Experienced IT Professional with over 20 years of experience. Specific focus includes: systems administration of Solaris and Windows workstations and servers. Superior troubleshooting skills. Extensive knowledge of hardware and operating systems knowledge. .
•TS/SCI (1/2012)
•CI Poly (11/2007)
EXPERIENCE:
1/2013 – Present: Field Service Support Representative NJVC, JWAC Dahlgren, VA
● Responsible for installing, configuring and maintaining Unix/Windows workstations and servers, including Virtural servers, in support of FMV requirements.
● Performs software installations and upgrades to Unix/Windows operating systems and layered software packages and maintains them in accordance with established policies, procedures and service level agreements.
● Monitors and tunes the system to achieve optimum level of performance.
● Manage raid hardware, and robotic storage devices.
● Perform basic day to day system administration tasks, installation of new customer software releases, system upgrades, evaluation and installation of patches and resolution of software related problems associated with COTS/GOTS products on Sun Solaris UNIX, Linux Red Hat, SGI IRIX, Windows 2000 / XP and VMware vSphere platforms.
12/2010 – 12/2012: Data Manager / Systems Engineer NJVC, NSA Bahrain.
● Operate and manage production associated with Geographic Information System (GIS) systems, map products, and customer processes.
● Understand, define, and respond to the Customer; forward deployed customer requirements; and translate those requirements into products that can be used to conduct warfighter operations.
● Coordinate with reach back support elements to update GIS holdings; coordinate product problem resolution; and, as needed, participate in technical discussions to improve systems and products for warfighter use. Maintain GIS databases; build/assemble GIS data into data subsets; and replicate said data subsets onto various media in accordance with customer requirements.
● Maintain GIS data on servers for multiple users.
● Ensure products adhere to quality assurance standards.
● Assist customers with data expurgation. Periodic travel to courier data to customers within the CENTCOM and AFRICOM AOR.
● Troubleshooting of customer/user workstations and GIS applications.
● Assist customer and technical support personnel troubleshoot communication issues.
● Provide tier 3 IT support when needed to Jr. IT staff or when shorthanded.
● Provide weekly reports to IT/IS functional management and the operational Customer managers.
4/2008 – 12/2010: Sr. Solaris and Windows System Administrator (IEC) NJVC, ADF E VA.
● Install, set up, and maintain a system consisting of 70+ high performance HP xv8000, HP xv8200, HP xv9300, and HP xv9400 workstations
● On the spot trouble shooter for 50+ IA (Imagery Analysts) with a system uptime of 99+%
● Uses SQL to manipulate the Oracle database of buffered imagery data for direct use by the IAs
● Supports system backups of all workstations and the Sun V880 server
● Calibrates workstation monitors: Siemens B&W, Mitsubishi, SONY Trinitron, and NEC
● Collaborates with several tiers of support and help troubleshoot systems in remote locations
8/2004 – 4/2008: Solaris and Windows System Administrator Duer Advanced Technology and Aerospace (DATA), ADF E VA.
● Install, set up, and maintain a system consisting of 70+ high performance HP xv8000, HP xv8200, HP xv9300, and HP xv9400 workstations
● On the spot trouble shooter for 50+ IA (Imagery Analysts) with a system uptime of 99+%
● Uses SQL to manipulate the Oracle database of buffered imagery data for direct use by the IAs
● Supports system backups of all workstations and the Sun V880 server
● Calibrates workstation monitors: Siemens B&W, Mitsubishi, SONY Trinitron, and NEC
● Collaborates with several tiers of support and help troubleshoot systems in remote locations
8/2000 – 8/2004: Information Technology Specialist Raytheon, ADF E VA.
● Restored multiple systems to optimal performance
● Used Spectrum to monitor system errors
● Replaced hardware to include Node board, CPUs, dimms and Directory memory, I/O cards, MSCs, MMSCs, router boards, Cray link cables, and power supplies on SGI O2K/Onyx systems
● Configured I/O (hippi, fiber 10/100 or gigabit Ethernet) interfaces up and down resetting errors if necessary
● Used Santricity to monitor 500+ controller RAID 5 (Metastor dual controller, 5 lun, 1 hot spare setup) system
● Used Santricity to locate the fail part and record what caused the fail. Santricity also monitors the reconstruction process of failed drives or controllers
● Experienced with 16 Cray supercomputers with Hippi 800 interfaces, using multiple modems (stripes) to transfer data to and from the HPNS network consisting of multiple HAFs and Switches to convert to Hippi 6400 for use with the rest of the system
● Used HAF / Switch debug tool to pull logs and/or configure and reset HPNS interfaces
● Supported users and diagnosed 200+ Sun Ultra 5/10 workstations using Solaris 8
● Supported troubleshooting of problems using VTS and replace hardware to include monitors, keyboards, mice, CPUs, memory, hard drives, and motherboards
● Diagnosed network full of Sun Enterprise 3500 and 4500 servers with Storedge A5100 Raids and replace hardware if needed
● Proactively responded to system anomalies and potential problems, taking action when appropriate to eliminate or minimize system impact
● Created and updated discrepancy reports as necessary
● Maintained high level of security awareness and physical safety
● Laid and terminated fiber
● Received several achievement awards for completing extra tasks above and beyond normal responsibilities
● Covered all shift vacancies for sick and/or vacationing personnel
● Operated and maintained sophisticated digital recording system with a robotic archive
● Performed daily maintenance and electronic alignments for optimal performance
● Performed corrective maintenance on the spot when needed
● Documented work accomplished or needed in system logs
● Trained all new employees on system operability to include pulling failure logs in a UNIX environment
9/1995– 6/2000: Electronic Warfare Technician U.S. Navy
● Leading AN/SLQ 32 system technician
● Supervised and assisted work center operators/technicians to successfully operate, troubleshoot, and perform corrective and preventative maintenance on three highly technical and important systems
● Received Letter of Commendation from Two Star Admiral for taking on a highly visible test program integrated into our system
PROFESSIONAL TRAINING AND CERTIFICATIONS:
• F 5 Big IP Administering, Configuring LTM/ATM,11/2014, NJVC, O’Fallon, IL
• Security + certified 7/2009
• Currently enrolled in Grantham University to obtain BS in Computer Science
• Sun Solaris 10 Administrator II, 3/2008, Sun Microsystems, Arlington, VA
• Sun Solaris 10 Administrator I, 2/2008, Sun Microsystems, Arlington, VA
• Sun Solaris 10 Intro to Solaris 10, 1/2008, Sun Microsystems, Arlington, VA
• SGI 02K / Onyx Maintenance, 2/2004, SGI, Mountainview, CA
• SM 210 Sun Desktop Systems Maintenance, 9/2003, Sun Microsystems, Columbia, MD
• TS LAN 500, 7/2003, Corning Fiber Optics, Keller, TX
• Archive Management Unit / Automated Mixed media Library /v2 (AMU/AML2), 10/2002, ADIC, Englewood, CO
• UNIX & Network +, 9/2002, Strayer University, Fredericksburg, VA
• MCSE course (120hr), 8/2002, LIMING Computers, Springfield, VA
• 7/1996 – 8/1997, Central TX College, Killeen, TX
• 2/1995 – 1/1999, US Navy, Norfolk, VA / Pensacola, FL
• Torpedo countermeasures Transmitting Set Operations and Maintenance
• Electronic Warfare Tech AN/SLQ 32 Maintenance
• Electronic Warfare Support Systems and Test Equipment, Advanced