If you know any good jobs up that way im qualified for please let me know!
Gregory N Tolar
gregntolar@gmail.com
(678)939-8403
Objective
To find a company where I can challenge my current skills and develop new ones in understanding, architecture, planning, and implementing large and complex systems of computing and networking.
Previous employment
- Secure Computing Corp (www.securecomputing.com) October 2006 - Current
Unix Security Product Engineer (FreeBSD/Redhat Linux)
- Ground up build of cluster hardware and services
- Install and Management of SAN Clariion
- Operational support and administration of global data center installations
- Operational and production builds for all research and development out of Atlanta
- Production Service image/jail creation and management globally
- Production Operating system and hardware certification
- Software certification and management of production images
- Training and lead of systems administrators
- Last point of all technical problems for any customer facing systems
- Google INC (www.google.com) August 2004 - October 2006
Operations Technician II (Quality Assurance) (Generic Linux)
- Deployment of High Availability Linux clusters in multiple locations
- Deployment of High Availability Networks in multiple locations
- Trouble Shooting of Hardware/Software/Network problems
- Handled Problems for many internal customers
- Handled high priority issues to resolution
- Employee training, Mentored new hires, Reviewed/wrote documentation
- Interviewing
- Super Computer Inc 2004
Contract for Game Server Cluster Deployment (Gentoo/FreeBSD)
- Migrated clustered blade servers from Atlanta to Virgina
- Deployed FreeBSD bridged firewalls
- Deployed official servers for Go Americas Army Operations
- GlobalHosting INC (now Needa.com) August 2002 - August 2004
Manager of technical services (RedHat Linux, FreeBSD)
- Developing growing infrastructure to handle new clients
- Redesigned all network and physical infrastructure to allow for redundancy
- Implemented back-up and recovery systems for critical data
- Managed all technical issues to resolve
- On call 24/7/365
- Developed and deployed gameservers.com infrastructure including
- Full back end deployment strategy for new clients
- Built web interface for management of accounts and services from scratch
Technical Skills
Server Level
- Operating Systems
- Linux
- Most familiar: Gentoo, Red Hat EL/AS
- Familiar: Legacy Red Hat > 7.0, Debian, Ubuntu
Advanced skills
- System trouble shooting
- Performance tuning
- Software fire walls
- File System ACL, Quota
- Clustering with shared hardware resources (IE: SAN attached disks)
- Kernel level configuration for 2.4.x and 2.6.x kernels
- BSD
- Most familiar: FreeBSD 4.x, 6.x, 7.x
- familiar: OpenBSD, NetBSD, DragonFlyBSD, PCBSD
- Windows
- familiar: All major versions of Window's desktop OS
- MAC
- Most Familiar: OS-X (through 10.4)
- Familiar: OS-9 and below
- System Software
- Application Installation, Configuration, and Tweaking
- File Transfer Services: NFS, FTP, SSHFS, RSYNC, SAMBA
- System Services: SYSLOG, NTP, SENDMAIL, CUPS, CRON, DISTCC
- Database Services: MySQL, SYBASE, MSSQL
- External Services: APACHE, TOMCAT, SSH, BIND9, RBLDNSD, TINYDNS
- Monitoring Services: NAGIOS, CACTI, ACID/SNORT, NTOP, MRTG
- Firewall Services: IPTABLES, IPFW, PF
Networking
- Network Hardware
- Certified - Force10 Networks (E-Series, Tera-Scale)
- Moderate - Foundry Networks (Load balancers and Switches)
- Moderate - Juniper Networks (up to T-640 Series)
- Moderate - Cisco Switching (Standard Cisco IOS)
- Moderate - Net-Scaler Load Balancers
- Limited - F5 Load Balancers
- Limited - Adva (Wave devision Multiplexing)
- Network general
- 802.3 (Ethernet) and subset 802.3z (Gigabit Ethernet)
- OSI Model (Mostly layer 1-3)
- TCP/IP Model
- MTU, Jumbo Frames
- Short Distance Fiber Optics (~1450nm)
- Long Distance Fiber Optics (~1100nm)
- Optical circuits (T1 up to OC-192 Sonnet)
- CIDR Notation and conversion to 32bit subnet masking
- VLAN's layer 2 and 3
- Network Protocols
(Good Understanding)
- ARP, STP, ICMP, TCP/IP, SNMP, NAT, BRIDGING
- (open)VPN, DHCP, BOOTP, HSRP, VRRP
- IPHELPERS, IP RELAY AGENT
(Familiar Understanding)
- OSPF, BGP
- Network Layer(s) Diagnostic tools
- Standard Trace route (Unix and Windows), SNMPWALK
- MTR (My/Matt's Trace Route), SNORT, JFFNMS
- NMAP, TCPDUMP, WIRESHARK, ARPING, NC, TELNET, HPING2
Hardware Firewalls
- Netscreen (Juniper)
- SideWinder (7.0)
Programming/Scripting Languages
- Proficient: PHP, BASH (shell scripting)
- Intermediate: AWK, SED, PERL
- Basic: Java, C, Python
Data Centers
(Work ON-Site)
- Equinix - Ashburn VA
- UUNet (MCI WORLDCOM) - Atlanta GA
- Internap - Atlanta GA
- Level3 Communications - Atlanta GA
- Paix (Switch and Data) - Atlanta GA
- ITC Deltacom - Suwannee GA
- Savvis - Chicago IL
- Sungard - Atlanta GA
- Sungard - Alpharetta GA
- Sungard - Portland OR
- Sungard - Wood Dale IL
- NTT - San Jose CA
- PRIVATE - Atlanta, GA
- PRIVATE - Mountain View, CA
- PRIVATE - Portland, OR
- PRIVATE - Seattle, WA
(Work OFF-Site)
- Equinix - London, United Kingdom
- Equinix - Frankfort, Germany
- NTT - Hong Kong
- NTT - Tokyo
Personal Skills
- Oral/Written Communication
- Punctual
- Self Motivated
- Goal Oriented
- Team lead/member
- Able to work in unstructured environments
- Ability to manage projects in a multi-functional role
References available upon request