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Systems Administrator System

Location:
Gurnee, Illinois, United States
Salary:
70000
Posted:
October 09, 2016

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Michael David Golvach

*** ******** ****** #* – Grayslake, IL 60030

224-***-**** - acwzbe@r.postjobfree.com

Objective

Seeking a challenging system administration role in a fast-paced environment.

Skills

Operating Systems

Linux – RedHat 3,4,5,6,7 VMWare ESXi 3.x/4.x/5.x, SUSE 8.x -11.x, CentOS, Fedora, Mandrake, Turbo

Solaris 2.4, 2.51, 2.6, 7, 8, 9, 10 (through update 10 – 10/2011)

HP-UX 9.x, 10.x, 11.x, 11i-11i.v1,v2,v3

AIX 3, 4.2, 5L

Functional experience with Cisco IOS 4.x - 11.x and CiscoView monitoring software

Applications

Apache – Tomcat - Stronghold – JetSpeed/Turbine/Jboss – Netscape/iPlanet Server – Jetty

Big Brother, BMC, Uptime, Swatch, Nagios, Cfengine

Stonebeat High Availability Firewall Solution, mod_jk Load Balancing

Veritas Cluster Server 4.x–5.x/Linux Virtual Server/SunCluster3.1/ ServiceGuard/StoreAde/VCS Oracle RAC

Veritas Volume Manager – Solstice DiskSuite / SVM – Including metaset extensions.

Versioning Software – cvs, mantis, subversion

Sendmail – Netscape Mail Server and LDAP Server - OpenLDAP – Qmail - Surgemail

Legato – BackupExec (Seagate/Veritas) – Veritas NetBackup Data Center 3.x to 6.5MP2 – Commvault SIMPANA

Jumpstart-KickStart-Ignite–JASS/SST, VNC, RemoteAdmin and Remote Desktop (Windows), Xvnc for Unix/Linux

Checkpoint Firewall-1/NG, Ace SecuRemote/SecurID

Informix – Oracle - MySQL

Certificate Authority creation – VeriSign/Thawte/Entruste certificate handling

Many freeware software solutions, including Jira, Blojsom, Pebble, Confluence, ZoneTick TimeTracker, etc

All standard Unix facilities and full internet utility suite

Wide range of network and host monitoring and security tools

Many more...

technologies/services

SSL, OpenSSL, SSH, SRP, EPS, Tcp Wrappers, pgp, gpg, pgp-mail

SMTP, IMAP/POP3, Ncftpd, Proftp, Vsftpd

DNS, NFS, NIS, NIS+, SMB, NMB, Rsync, SSH/SCP, SNMP

Languages

Most Shells (ash, bash, bsh, csh, jsh, ksh, pdksh, sh, tcsh, zsh)

Perl (Windows and Unix), Sed and Awk, Tcl-Tk, Perl/Tk, Expect, HTML, JavaScript, Server Side Java, PHP

Security

Sophos Antivirus, fprot AV – NAV for SMTP Gateways

SSL, OpenSSL, SSH, SRP, EPS, Tcp Wrappers, pgp, gpg, pgp-mail

NMAP, IPTables, IPChains, Tripwire (Commercial and Freeware), Chkrootkit, Logcheck, Bastille

Hardware

Sun - Netra, SparcStation 5-10, Ultra 5/10, Ultra Enterprise 2, E250, 220R, E450, 420R, E3500, E4500, E5500, E6500, SunBlade 100, SunFire Series (v100, v120, v210, v240, 280R, v440R, 480R, v480, v490, v880, v890, v1280, 3800, 4800, 6800, 6900, 15K), T2000, X4100 – Fujitsu PrimePower 850, M4000/5000, M8000/9000

HP - E Series, K Series, N Class, L Series

Arrow Point (Cisco) - css11000 Series Load Balancers/Foundry Networks ServerIron, BigIP

Barracuda Email Server Appliance 300/400.

Chase (Perle) Iolan serial terminal server series/Equinox/Aurora/Annex/Cyclades/Lantronix

Cisco – Catalyst 2948G L2 and L3 switches, 2600 series routers, VPN Concentrator, PIX Firewall

Qlogix SANbox Fiber Switches

EMC Symmetrix/Clariion Enterprise Information Storage Systems (Navisphere/NaviCLI). Cx300, cx500.

Sun Storage – StorEdge A1000, D1000, A3000, 3310, 3510, A5100, 5210 NAS, 6130

NetApps Filer Storage / Snap Guardian Series Storage

StorageTek – L20, L100, L180, L1000, L11000 / Quantum Tape Libraries

Professional Experience

Gamma Partners, Inc.

Unix/Linux Consultant, June 2015 – Present

Worked as consultant on various jobs as needed. Primary responsibilities included:

Troubleshooting Unix and Linux Systems Software and OS.

Troubleshooting Windows Systems Software and OS.

Working with Developers To Resolve OS/Client Interoperability Issues.

Perl and Shell scripting for all environments for systems monitoring as well as automation of regular and periodic tasks.

BigMachines, Inc./Oracle America, Inc.

Sr. Linux Admin, Mar 2012 – June 2015

Worked on the IT Team as a Sr. Linux Administrator in a project-based capacity. Also supported Solaris 7 and 8 servers and worked with backup management and system security enhancement. Primary responsibilities included:

Moved all Chicago-Hosted servers to new Savvis hosting center in Virginia.

Participating in planning and implementation of server virtualization, using VMWare on Linux

Helped plan and set up new backup solution using CommVault/Simpana.

Worked on developing and implementing more strict system, and site, security guidelines.

Helped develop, and implement, better failover and disaster recovery setups and procedures.

Perl and Shell scripting for all environments for systems monitoring as well as automation of regular and periodic tasks.

Worked primarily with RedHat Linux, VMWare/ESXi4-5.x and Solaris 2.7 and 2.8 (7/8).

Doing Business As - Michael Golvach

General contracting and consulting, Nov 2009 – March 2012

Worked many short term contracts, in a consulting and active capacity, and performed a wide variety of Unix and Linux system administration work, including:

Installation, configuration and security hardening of, primarily, Solaris, HP-UX and RedHat Linux.

Defining and documenting standards for setup, maintenance and monitoring of various Linux/Unix OS's, application and database software..

Developing project plans, recommending, and implementing, OS and software upgrades and restructuring.

Perl and Shell scripting for all environments for systems monitoring as well as automation of regular and periodic tasks in hybrid-OS environments as well as OS/DBA interfacing.

Commercial and custom software troubleshooting. Major clients included Discovery Education & Delta Dental.

W.W. Grainger, Inc

Senior Systems Administrator, Nov 2008 – Nov 2009

Worked on the Linux Team as primary Solaris administrator in a project-based capacity. Also supported AIX and both SUSE and RedHat Linux distributions. Also absorbed system backup management. Primary responsibilities included:

Spearheaded Solaris 9 and Solaris 10 to RedHat Linux Migration initiative.

Participating in planning and implementation of server virtualization, using VMWare on Linux and HP Blades, to reduce cost of ownership and maintenance for different computing environments.

Continued work on previous Cfengine custom installations and configuration for the WWG environment.

Perl and Shell scripting for all environments for systems monitoring as well as automation of regular and periodic tasks.

Nationwide Distribution Center Upgrades. Moved from AIX and Solaris 2.6 standalone systems to VCS clustered Solaris 10 systems running on M4000 series servers with EMC shared disk, Scalar24/50 Tape Libraries, etc. Single rack redundant solution built and upgrades rolled out to provide better scalability for future growth. Utilized mixture of Solaris zones and VCS active/passive failover to decrease potential downtime.

SAP systems enhancements including helping implement Oracle RAC with Veritas Cluster Server.

All aspects of regular system administration duties, including 24/7 on-call pager rotation and working defined maintenance windows, as well as assisting with systems management (OS installation/upgrades) and physical datacenter work, including system upgrades (memory, cpu, etc).

Northern Trust Corporation

Consulting Senior Systems Administrator, June 2008 – Oct 2008

Consulting in the capacity as a Senior systems administrator/Project Manager. Responsibilities include:

Maintenance and installation of Veritas File System, Volume Manager and Cluster Server.

Scripting out solutions to existing problems (e.g. reaping processes that lasted over a specific time period or lost their controlling tty). Most useful scripts written to collect statistical information, summarize and email managers required updates on system/site information and provide current system OS and software information on a per-request basis, as well as ease management and analysis of 1500+ server environment. Scripting done mostly in korn, bash and Perl, on both Solaris and Linux machines.

Implementation of containers and zones on existing, and new, Solaris 10 M9000 Boxes.

Project management (Unix representation) role in 4 ongoing projects (New server and solution buildouts)

W.W. Grainger, Inc

Consulting Senior Systems Administrator, Feb 2008 – May 2008

Consulting in the capacity as a systems administrator. Projects included:

Upgrade and transition from Solaris 8, 9 and 10 (update 6) to RedHat and SUSE Linux

Package management/distribution of cfengine, openssl and Berkeley DB for SUSE 9/10 and Solaris 2.6 - 10.

Assisting with cfengine customization and configuration, including implementation CVS for cfengine config file version control.

Perl and Shell scripting for all environments for systems monitoring as well as automation of regular and periodic tasks.

Security auditing for Sarbanes Oxley compliance. Routine system Administration tasks.

Hewitt Associates, LLC

Senior Systems Administrator, May 2007 – Feb2008

Part of a team working out of the world headquarters, supporting, building and maintaining the central office and local satellite offices at Headquarters in Lincolnshire, Illinois. Predominately Solaris, HP-UX, RedHat Linux and some AIX. Duties also included senior level administration of sites in India, China, the UK and offices worldwide, including collaboration with offsite staff, and responsibility for all offsite Unix systems. Experience included:

Upgrade and transition from Solaris 9 and 10 to RedHat Linux

Managed projects from start to turnover, setting up rehosting environments for several major commercial clients. Utilized VCS 4.x and supported iPlanet/LDAP team.

Perl and Shell scripting for all environments for systems monitoring as well as automation of regular and periodic tasks.

Lead project to upgrade and revise customer site migration scripts and scripting for all environments.

Working on projects involving physical system upgrades and company-wide patch updating.

Mentor junior Sysadmins, including training and knowledge transfer. Extensive documentation.

All aspects of regular system administration duties, including 24/7 on-call pager rotation.

TravelCLICK Inc

Senior Systems Administrator, May 2005 – May 2007

Worked as a senior level systems administrator for a major online Hotel reservations site in Schaumburg. Duties also included senior level administration of sites in Houston and Austin, TX - Barcelona, Spain - Melbourne, Australia - Calgary, Canada and China including responsibility and management of all onsite Unix staff. Experience included:

Upgrade and transition from Solaris 8 and 9 (update 6) to RedHat and Fedora/CentOS Linux

Moved company’s major product from Microsoft SQL Server to fully redundant Oracle solution using SunCluster3.1 with Oracle HA Data Service for Parallel Servers. Both setups passed Sun’s electronic and physical testing and mitigation, and received official Sun Certification and Support.

Moved company from manual installation methods to a complete Jumpstart setup.

Perl and Shell scripting for all environments for systems monitoring as well as automation of regular and periodic tasks.

Extensive documentation and definition of secure build standards.

Completely reworked existing DNS setup for over 184 hosted-domains in Houston and Schaumburg.

Managed all system administration staff in all 6 major offices, including training and knowledge transfer.

All aspects of regular system administration duties, including 24/7 on-call pager and night/weekend maintenance

Savvis Inc

Senior Systems Administrator, April 2004 – April 2005 – 6 month Contract-To-Hire-Extended

Worked as a system administrator for the General Services Administration of the Federal. Also worked for other clients including Covisint, GE, GE Corporate, GE Rail, GE Financial, Penske Trucking, Motorola and Medtronic in a Managed Solutions Center hosting three Enterprise-Class Datacenters, comprising over a thousand server network.: Responsible for all on-site work and remote administration of GSA interests in Washington D.C. and Sterling Virginia as well as the local site administration and planning of any companies hosted within our facility. Experience included:

Perl and Shell scripting for all environments for site monitoring /automation of regular and periodic tasks.

Complete upgrade of existing Jumpstart setup, using JASS/SST.

Extensive networking troubleshooting and setup for all clients.

Network and OS setup, upgrade, troubleshooting and performance tuning in all environments.

Assisted networking and security groups with both OS and Firewall security.

Premierinc.com

System Administrator/Architect-Team Lead, October 2003 – April 2004 – 6 month Contract

Worked as system administrator and project lead at primary DR site for major health purchasing organization. Was also responsible for maintenance, upkeep and upgrades at primary facilities in Charlotte, N.C., San Diego, CA and Washington D.C. in a 100+ server network. Projects Included:

Upgrade of ACE software, and reconfiguration of system architecture, for RSA remote authentication for secure VPN (SecuRemote/SecurID).

Moving CrossWorlds product clustering from NT to Solaris based environment, using Veritas Cluster Server for high availability environments.

Updating and security-hardening JumpStart setups for standard builds of all server types.

Expanding NetBackup storage solution to San Diego office, and documenting entire backup structure across all sites.

Perl and Shell scripting for process automation and system monitoring

Complete DNS cleanup – including hardware and BIND upgrades.

General System administration duties, including on-call pager.

Unext.com/Cardean.Edu

Senior System Administrator/Architect-Team Lead, December 2000 – October 2003

Planned, grew and maintained both an offsite and onsite (50+ server) network for Cardean University. Primary responsibilities included:

Administration of Sun Solaris OS 2.6, 7 and 8 and RedHat Linux 6.x – 8.x (Freeware)

Administration of Netscape, iPlanet, Tomcat, JetSpeed and Apache web server software

Administration and configuration of disk management and network backup software

Administration and configuration of load balancing and network appliances

Perl and Shell scripting for process automation and system monitoring

Administration of BroadVision software, versions 5.5 through 6.0, including migration.

Assisting in Oracle Database maintenance

Peapod, Incorporated

Consultant/Contractor, May 1 – June 7 2001 (Short Term contract concurrent with employment at Unext)

Consulted with Systems Administration Group and helped plan and execute several projects, including:

Setting up Stonebeat High Availability failover software for production firewalls, including migration from single firewall configuration and complete procedural documentation

Perl and Shell scripting for process automation and system monitoring

Configuring firewalls, Samba file sharing and internal mail routing for new systems

Upgrading 5-Server DNS configuration from bind8 to bind9.1.2

Advising on maintenance and troubleshooting, after upgrading their bind version, of dial-up dynamic DNS scripts that I had previously written for them.

Peapod, Incorporated

System Administrator/System Architect, April 1996 – December 2000

Planned, built and maintained a 60+ server environment running Solaris, HP-UX, Windows NT and Linux operating systems. Heavily involved in ongoing Data Center and Network optimization. Involved in all aspects of Data Center operations and maintenance (hardware and software), conversion to Dynamo software solution as well as providing support to end-users.

Certifications Held

Sun System Administrator for Solaris 2.x

Sun Network Administrator for Solaris 2.x

HP System Administrator for HP-UX 10.x and 11.x

Microsoft Certified Professional

Microsoft Certified Professional +Internet

Microsoft Certified Systems Engineer - NT 4.0

Relevant Training

BroadVision University: Technical Introduction To BroadVision One-To-One Enterprise

BroadVision University: System Administration for BroadVision One-To-One Enterprise

BroadVision University: Performance Analysis for BroadVision One-To-One Enterprise

BroadVision University: Server Side Scripting for BroadVision One-To-One Enterprise

Oracle University: Enterprise DBA Part 1A: Architecture And Administration

Sun Educational Services: Solaris System Administration 1

Sun Educational Services: Solaris System Administration 2

Sun Educational Services: Solaris TCP/IP Network Administration

Sun Educational Services: SunCluster3.1 Administration

ISIM.com: Project Management Essentials – Graduated With Commendations

Additional Projects

Contributor to Perl CPAN Net:AOLIM project – fixed functionality of chat routines.

Contributor to BroadVision Software – wrote and submitted programs to allow for separate logging of multiple IM’s; not available before version 6.0.

Author of AmTerm – A useful VT interface for Veritas NetBackup, since their product only comes with a Windows GUI and a poor VT client for monitoring real-time activity.

Author of NetBackup Summary Report – A useful script that allows all pertinent details of backups to be reviewed at a glance. Includes ability to choose time frame, details required and summary section highlighting any failed backups. Derives all information from bpdbjobs command using all_columns output to maximize reporting functionality. Updated June 2009.

Updated CodeCharge TaskManager – Added archival of weekly tasks, task searches and automated weekly report generation for users. Improved backend database functionality.

Wrote rnetd - shared under GPL – Simple script-based floating-IP management software, allowing for the sharing of one IP between multiple hosts without the necessity of installing any third party net libraries. Low-level functionality makes it extensible between most Unices (Solaris/ HP/ SCO/ RH Linux, etc) without major revision (If any at all).

Education

Columbia College, Chicago

Bachelor of Arts, English with concentrations in Fiction Writing and Journalism. June 1995

3.66 G.P.A., on a 4-point scale.

Clubs and Organizations

Institute of Electrical and Electronic Engineers (IEEE) (ID #41467754)

International Society of Mensa (ID #1152102)

References

Available on request.



Contact this candidate