Managed culturally diverse technical staff ( teams numbering between 4 and 37)
Managed multi-milion dollar IT budgets
Identified and implemented an optimum blend of in-house and out-sourced IT solutions based on cost effectiveness
Managed interdepartmental communications on IT related issues
Evangelized IT initiatives via meetings and occasional in-house educational seminars
Moved IT staff toward a balance of cost center and profit center activities
Engineered complex TCP/IP enterprise network, server, and network security infrastructure in hybrid Windows, Linux, and Appletalk networks
Promoted end-user training and trained corporate staff on a variety of productivity enhancing technologies
Identified and evaluated (lab tested) appropriate technology solutions ("good fit") and balanced commitment of resources in accord with the maturity of the solution and vendor
Weighed company strategic objectives against existing and planned infrastructure
Implemented new solutions in stages from proof-of-concept, to pilot, to final roll out
Managed multiple large infrastructure projects simultaneously from conception to sign-off
Negotiated, structured, and managed multi-year vendor and service provider contracts
Structured provisional SLA requirements for in-house customers
Structured SLA requirements with vendors and service providers
Monitored vendor and ISP SLA compliance
Terminated vendor and ISP contracts which were out of SLA compliance
implemented IT policies and procedures
Personally created thorough detailed documentation at each company on all facets of the IT systems, where none existed
I have a proven track record of system integration, system migration, capacity planning, technical assessment, network/server design plus troubleshooting.
Network Engineering:
LAN - core, distribution, and access level route summarization, route redistribution, and VLAN/STP administration of EIGRP, some OSPF, RIP and static route network, ACLs, QOS configuration, design and implementation of VLSM subnetting;
WLAN – multiple wireless controller configuration on meshed 802.11 a/b/g/n networks, 802.1x authentication, RF signal transmission attenuation;
WAN - serial port configuration, monitoring, troubleshooting of private line, and “DIA” connections, OpteMan MAN ethernet, 45Mbit DS3, Multilink T1, T1, and ISDN, MPLS and VPLS services.
I have configured firewall policies on five different vendor platforms, including DMZ, static NAT, site-to-site VPN tunneling and BGP failover.
I have more than 25 years of experience troubleshooting network reachability, DNS, routing, switching, and firewall issues affecting end-users running Windows 7, Windows XP, Windows 2003, Mac OS 7.5-X and multiple Linux distros; 10 years of experience administering various Windows servers, namely Exchange, and Active Directory Windows domain controllers, file servers and print servers.
I set up and customized:
Debian Linux bash scripting
Debian Linux MySQL/MariaDB
Debian Linux Cacti, MRTG
Debian Linux Smokeping
Debian Linux FreeRADIUS
Debian Linux RANCID
Debian Linux Apache
Debian Linux Postfix, Dovecot
Debian Linux Nginx
Debian Linux C programming
I have experience with multi-vendor application-layer content switching, web-filtering, anti-spam filtering, antivirus detection, intrusion dectection and NAC solutions and 2-factor authentication.
I have strong experience in network analysis, capacity planning, evaluation and implementation of well-engineered and cost effective new network technologies.