Paul L. Email & Phone Number

Chicago, Il, Us

* I get the opportunity to help people see in themselves what they never knew was there* Develop and oversee people who design Organization wide structures and infrastructure* Cultivate people and resources

Leadership * Led lab site-wide initiatives such as secure proxy server integration, local smtp, and IM * Mentored and Trained Jr Administrators * Helped guide training focus of staff * Created and maintained Group budget for staff, software, hardware, and training * Negotiated with vendors to account for considerable savings * Budgeted for staff vacation time in order to maintain proper coverage * Planned for future upgrades and updates * Managed large scale… Show more Leadership * Led lab site-wide initiatives such as secure proxy server integration, local smtp, and IM * Mentored and Trained Jr Administrators * Helped guide training focus of staff * Created and maintained Group budget for staff, software, hardware, and training * Negotiated with vendors to account for considerable savings * Budgeted for staff vacation time in order to maintain proper coverage * Planned for future upgrades and updates * Managed large scale projects such as Red Hat Enterprise Linux migrations * Assessed and managed potential risks and hazards in aging software, hardware and single knowledge points (to name a few) * Developed staff according to their strengths and interests * Security tracking and patching * Audit gathering and reporting * ITIL Compliance * Weekly reports on projects and tickets * Tactical Plans and Reports * Administer weekly team meetings and monthly project meetings with staffTechnical * Red Hat Certified System Administrator (RHCSA) * Administered Red Hat Enterprise Linux 5 through 7 * Administered postfix relay cluster of hosts * Administered Apache Web Server * Administered MariaDB * Administered a proxy cluster with squid and stunnel * Administered a cluster of general access login servers * Administered kerberos clients * Administered Ubuntu Server * Administered and coded many specialized applications using bash and PHP Show less

Leadership * Mentored and trained Jr Administrators * Created documentation and training manuals for the systems under my control * Trained other administrators on my workTechnical * Managed 250 diverse servers ranging from database, financial, and webapps to Security, networking and email on server Operating environments such as Red Hat Enterprise Linux Server, Solaris, and Ubuntu. * Created and maintained a cluster of email servers * Maintained updates and… Show more Leadership * Mentored and trained Jr Administrators * Created documentation and training manuals for the systems under my control * Trained other administrators on my workTechnical * Managed 250 diverse servers ranging from database, financial, and webapps to Security, networking and email on server Operating environments such as Red Hat Enterprise Linux Server, Solaris, and Ubuntu. * Created and maintained a cluster of email servers * Maintained updates and patches * Created a multi-tiered proxy environment Show less

* Maintained hundreds of Apache web servers and services (including the second website on the internet - www.fnal.gov) * Maintained compiled patches on Apache Web server * Helped design an updated and fault-tolerant virtual Web environment * Maintained Campus-wide SSL/TLS certificates

* Mentor Jr Administrators * Maintained Ecelerity (Momentum for sending) * Maintained Xen virtualization * Maintained Netapp * Maintained open source options for backups (Amanda and Baccula) * Setup and maintain Apache Tomcat * Maintain open source security and monitoring tools such as nagios and snort. * Maintain F5 BigIP servers * Maintain log services with hourly reporting.

Leadership * Mentored and guided Jr administrators as well as student and postdoctoral administrators * Maintained annual budgets for the Linux group's computing needs. * Negotiated pricing on all Linux Group computer infrastructure purchases * Managed Risk by determining potential risks and mitigated or avoided them * Managed all Linux group communications with PCI auditorsTechnical * Design and maintain an open source email server cluster to authenticate using… Show more Leadership * Mentored and guided Jr administrators as well as student and postdoctoral administrators * Maintained annual budgets for the Linux group's computing needs. * Negotiated pricing on all Linux Group computer infrastructure purchases * Managed Risk by determining potential risks and mitigated or avoided them * Managed all Linux group communications with PCI auditorsTechnical * Design and maintain an open source email server cluster to authenticate using Active Directory and communicate with Outlook and Blackberry smart phones in a 3000+ user environment. * Design and maintain open source ftp server clusters. * Design and maintain open source web and SQL server clusters some of which contain sensitive government data. * Maintain PCI industry standards. * Plan and implement large enterprise rollouts including a major enterprise email server platform change. * Train and manage Unix and Windows administrators across multiple states and countries on email and ftp related issues. * Designed and implemented XMPP messaging infrastructure * Maintained VMWare ESX and ESXi infrastructures with Virtual Center, VMotion and HA * Setup and maintained multiple SAN and NAS environments including EMC, Netapp, FreeNAS, Open-E and generic Linux based client and server NAS and SAN options. * Setup and maintained open source options for backups as well as helping in the maintaining existing versions of Netbackup. * Setup and maintain Apache Tomcat backend for Avaya’s AVP application environment. * Setup and maintain open source security and monitoring tools such as nagios, nessus, tripwire and snort. * Maintain F5 BigIP servers * Setup and maintain log services with hourly reporting. * Setup and maintain open source squid proxy services with filtering options. Show less

* Helped train Jr staff * Held classes on scripting and general Unix best practices * Maintained existing secure Server installations. * Monitored and maintained security standards servers running Unix (including AIX, HP/UX and Red Hat and Suse Linux).

Leadership: * Mentored and guided Jr administrators as well as student and postdoctoral administrators * Maintained annual budgets for the MRSEC, JFI and Particle Theory Group’s computing needs. * Negotiated pricing on all JFI, MRSEC and Particle Theory Group’s computer infrastructure purchases * Developed staff by challenging them to learn new and diverse technologies * Developed training videos about our offered resources to help students, faculty, and staff *… Show more Leadership: * Mentored and guided Jr administrators as well as student and postdoctoral administrators * Maintained annual budgets for the MRSEC, JFI and Particle Theory Group’s computing needs. * Negotiated pricing on all JFI, MRSEC and Particle Theory Group’s computer infrastructure purchases * Developed staff by challenging them to learn new and diverse technologies * Developed training videos about our offered resources to help students, faculty, and staff * Organized and led "lunch and learn" sessionsTechnology * Designed and maintained secure Server Workstation installations. * Installed and maintained secure standards for logins and email (smtp/auth with tls, pop3s and IMAPs). * Supported and administered servers running Unix (eg. Solaris, BSD, SGI, AIX and Suse and Debian Linux etc), Apache, sendmail, postfix, syslog with logcheck, and firewalls (ipf, ipfw, ipchains and iptables) for students, postdocs and professors. * Provided direction to the computing structures and reported to stakeholders and department heads * Ongoing analysis of new technology * Ran one of the most popular Debian mirrors on the internet (debian.uchicago.edu) * Maintained Open Source offerings such as Xorg, CUPS, cfengine, Open Office, SAMBA and rsnapshot Show less

* Managed budgets and schedules * Collected from Business owners * Determined the needs of clients and presented monetized solutions * Consulted with clients on site * Configured a diverse range of networks. * Produced strong customer relationships through providing the best solution to suit their needs while keeping usability and security as the prime objective. * Configured a diverse range of computers and networks. * Supported and administered networks containing… Show more * Managed budgets and schedules * Collected from Business owners * Determined the needs of clients and presented monetized solutions * Consulted with clients on site * Configured a diverse range of networks. * Produced strong customer relationships through providing the best solution to suit their needs while keeping usability and security as the prime objective. * Configured a diverse range of computers and networks. * Supported and administered networks containing (but not limited to) Unix (including Sun Solaris, BSD, Cobalt, SCO, HP/UX and Linux to name a few variants) Windows (3.1 to 2000), Apache, sendmail, * firewalls (ipf, ipfw, ipchains and some iptables) bind and some Novell and Cisco * Maximized the customer buying power through offering low cost and free (GNU and BSD licensed) software alternatives. Show less

* Consulted on site for clients of Sprint * Configured and maintained diverse network environments. * Maximized productivity by supporting a Unix, Windows, and Macintosh based Network environment containing HP/UX, SunOS, IRIX, BSD, Linux, Windows NT/2000, Apple Macintosh, and Solaris. * Maintained Unix based applications such as X11, pine, mutt, gcc, gdb, sendmail, ClearCase, bind, and SAMBA, resulting in smoother relationships between the administration team and the user base, and,… Show more * Consulted on site for clients of Sprint * Configured and maintained diverse network environments. * Maximized productivity by supporting a Unix, Windows, and Macintosh based Network environment containing HP/UX, SunOS, IRIX, BSD, Linux, Windows NT/2000, Apple Macintosh, and Solaris. * Maintained Unix based applications such as X11, pine, mutt, gcc, gdb, sendmail, ClearCase, bind, and SAMBA, resulting in smoother relationships between the administration team and the user base, and, therefore, enhanced relations with Sprint leading to repeat business. * Wrote and supported various shell scripts automating report generation and complex tasks resulting in greater productivity due to the time savings. Show less

Leadership * Oversaw operations of the Internet Service Provider division. * Tracked profitability of the department increasing efficiency. * Resolved warranty disputes with vendors creating an increase in revenue.Technical * Maintained two Solaris computers, three Windows NT Computers, over thirty websites, four ftp sites, eight T1 lines, forty-eight line dialup, and twelve mailing lists resulting in a continued revenue stream for the company. * Configured and… Show more Leadership * Oversaw operations of the Internet Service Provider division. * Tracked profitability of the department increasing efficiency. * Resolved warranty disputes with vendors creating an increase in revenue.Technical * Maintained two Solaris computers, three Windows NT Computers, over thirty websites, four ftp sites, eight T1 lines, forty-eight line dialup, and twelve mailing lists resulting in a continued revenue stream for the company. * Configured and maintained Gauntlet firewall on the BSDi platform. * Designed, configured, and instructed users in the maintenance of Unix (AIX, SCO, Linux), Novell NetWare, * Windows NT, and Windows NT Terminal Server Edition based computers. * Troubleshot and repaired hardware and software on Servers and Workstations increasing customer service while creating and maintaining positive customer relationships. * Installed and maintained Citrix Metaframe Show less

Upgrade Technician * Performed upgrades on PCs that were purchased in the store. * Troubleshot and repaired hardware and software issues on Windows and Macintosh * Created and maintained computers on the sales floor, enabling customers to have aninteractive experienceSales Associate * Aided customers in selecting appropriate hardware and software. * Brought sales of warranty plans up in the department increasing revenue * Assisted in managing the department… Show more Upgrade Technician * Performed upgrades on PCs that were purchased in the store. * Troubleshot and repaired hardware and software issues on Windows and Macintosh * Created and maintained computers on the sales floor, enabling customers to have aninteractive experienceSales Associate * Aided customers in selecting appropriate hardware and software. * Brought sales of warranty plans up in the department increasing revenue * Assisted in managing the department in order to increase revenue and customer satisfaction Show less

Computer

Education record