Service Air Force
Resume:
Timothy E. Johnson
Highlands Ranch, CO 80130
**********@****.***
SYSTEMS ADMINISTRATOR / NETWORK ENGINEER
U.S. Air Force veteran and seasoned IT professional with 20 years of experience in systems administration and network management in the telecommunications industry offering expertise in Unix / Linux, Windows Server (2008 – 2012 R2), and Cisco ASR / CATALYST / NCS
CORE COMPETENCIES
56K AD CS AD DS AD FS AD LDS AD RMS AIX ATM BSD CCNA CompTIA A+ Datakit DDS DHCP DNS DS0 DSL FAT32 Frame Relay GTP HP-UX ISDN LDAP Leased Lines MCSA MPLS NTFS OC12 OC348 OSI POTS / PSTN RHCSA RHEL SMDS SONET RING SUN-Solaris T-1 T-3 TCP/IP UDP UNE-P VOIP X.25 XTSI
ABILITIES & EXPERIENCE
AT&T – Denver, CO
Denver Service Administration Group 2010 – 2016
Systems Administrator:
Ensured 24 x 7 365 continuity of service for 140 mission critical applications / platforms
User account management of Citrix, PAM RADIUS, RAS, RSA SecureID, SAFENet
Enforced ASPR compliance and remediated CPNI, SPI and SOX deficiencies
Imaged, troubleshot, repaired workstations, PCs, laptops, devices, and peripherals
IT Help Desk expert for Transport Services Organization, OSWF and outside plant
Resolved ACT, AOTS, BMP, REMEDY, USH, and WMS tickets and trouble calls
Installed / pushed / pulled OS updates and patches and performed regression testing
Ran diagnostics and sent system files and core dumps to application support manager
Halted / restarted applications, terminated hung sessions, initialized links, and reset ports
Killed and initialized / re-spawned processes, daemons, demons, and servers
Traced / isolated network outages, engaged network element managers, restored service
Performed scheduled application / server restarts, maintenance routines, health checks
Tested failover / emergency switching procedures during disaster recovery exercises
Mini-Computer Maintenance and Operations Center 2005 – 2010
Data Center Technician:
Monitored application / network alarms, initiated notifications, coordinated triage
Ensured 24 x 7 365 availability of NAS and SANs in the Data Center
Ran incremental / full system backups, changed out media, scheduled off-site storage
Followed up with equipment vendors to promote compliance with SLAs
Replaced CPUs, memory modules, disk drives, SSDs, and power supplies in servers
Configured NIC teaming to round robin mode for load balancing
Configured subnets and VLANs on Cisco routers and port forwarding on switches
Carried out cable mining, dressing, and labeling for equipment installation / removal
Maintained inventory records and handled the logistics for requisitioned parts
Regional Network Operations Center 1997 – 2005
Transport Services Engineer:
Provisioned DS0, T1, T3, OC12, and OC48 facilities and circuits for ESO group
Slotted TDM / DWDM optical transport carriers on SONET Ring facilities
Set framing (ESF or B8ZS) and signaling (CCS7 Path) on circuits
Handled grooming / de-growth of DACS frames / Alcatel switches for capacity recovery
Served as OCO on service cutovers of tandem, IOC, and access circuits for ITO / TMO
Guided OSWF and / or LEC in use of T-BERD or Scientific Atlanta test sets
Corrected connectivity issues such as turnovers and loopbacks at cross-connect panels
Designed WORD documents and provisioned signaling, framing and translations
Consulted capacity planners for alternate service paths to terminating equipment
Assembled cut packages with M&P including back-out procedure should service fail
TeleTech TeleServices – Thonrton, CO 1996 – 1997
ISP Technical Consultant:
Provided technical support for AT&T WorldNet and Easy World Wide Web ISPs
Isolated connectivity issues by running networking utilities from the command shell
Configured port forwarding, assigned ports to DMZ and setup VPNs on secure gateways
Addressed I/O, IRQ, and DMA conflicts by assigning unique resources in BIOS
Disabled SPI on low risk ports per IPsec best practices
Adjusted MTU size “windowing” in Winsock to optimize for network adapter buffer
Synchronized port speeds between nodes to optimize traffic flow
Educated clients on the use of torrent downloads and UDP for streaming videos / gaming
Removed apps from the Windows, Startup folder or disabled “launch at startup” option
Excluded apps from Windows Firewall and / or Symantec End Point Protection
Downloaded / installed Windows updates and device drivers from manufacturer website
Analyzed system *.ini and *.log files and altered / deleted Windows Registry entries
Monitored calls for quality assurance and developed training curriculum for new techs
U.S. Air Force – George A.F.B., CA
Airman 1st Class (A1C / E-3) 1987 - 1990
Weapon Control Systems Specialist:
Maintained, calibrated, troubleshot radar control, optical sighting, and tracking systems.
Pulled LRUs from the raydome and / or cockpit of jets in the calibration Docks
Tested function / performance of Line Replaceable Units in the shop on mock-ups
Adjusted frequency of klystrons and magnetrons to within very tight tolerances.
Inspected and replaced worn or defective seals and square O-rings in waveguides.
Aligned TISEO (Target Illumination System Electro-Optical) laser guidance module
Held a Top-Secret Security Clearance.
EDUCATION & TRAINING
~ Earned 73 credit hours toward Bachelors of Science in IT Arapahoe / Aurora CC
~ CCNA (Cisco Certified Networking Associate) 360 Training Academy, Littleton, CO
~ MCSA (Microsoft Certified Solutions Administrator) 360 Training Academy, Littleton, CO
~ CompTIA A+ Certification – Arapahoe Community College, Littleton, CO
~ HP-UX System and Network Administration I – HP Education and Training at AT&T
~ Datakit Operations, Admin. & Maintenance – International Systems Strategies, Inc. at AT&T
~ Hands-On UNIX for Systems Support Operations – International Systems Strategies at AT&T
~ OF0461 NCC Maintenance Transport Appreciation – NSD – NOET at AT&T
~ NP0724 – General Telemetry Processor – NCS – NOET at AT&T
~ NP0171 – TMAS Provisioning for T3 – NCSW – NOET at AT&T
~ OF0475 NCC Maintenance – Transport T3 Path Troubleshooting – NCS – NOET at AT&T
~ Transport Provisioning Using TSNOW – NCS – NOET at AT&T
~ Qualified DCS3/1 Alcatel – T3 Provisioning Group at AT&T
~ Certificate of Training in Weapon Control Systems – 3400th Technical Training Wing U.S.A.F.
~ High School Diploma – Wayne High School – Ft. Wayne, IN
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