John Zulim
Austin, Texas *********@*****.*** 512-***-****
Objective ______________________________________________________________________
To obtain a position within a leading information technology group that utilizes my skills as a proven IT
professional. The ideal role would allow for the showcasing of my technical skill set in conjunction with my
project planning capabilities, personal motivation and methodical methods of technology implementation
and problem diagnosis.
Profile ________________________________________________________________________
Motivated, articulate and personable technology professional with a successful 10-year track record of
providing dependable, collaborative and best practice solutions. Talent for quickly mastering technology.
Diplomatic and tactful with professionals and non-professionals at all levels. Accustomed to handling
extensive implementation and design projects in a fast paced and sometimes stressful environment.
Excellent written and oral communication skills.
Flexible and versatile. Poised and competent with demonstrated ability to easily transcend cultural
differences. Thrive in deadline-driven environments. Excellent team-building skills.
Skills Summary _________________________________________________________________
Linux IIS Load Balancers
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Windows Apache IDS
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VMware PowerMTA Firewalls
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SQL Server Neverfail Monitoring
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MySQL DNS High Availability
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Professional Experience _________________________________________________________
Self Employed
IT Consultant
July 2008-Current
Mass email deliverability strategy implementation
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Infrastructure design and operations.
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Linux systems implementation and management.
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Windows systems implementation management.
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Network and systems security analysis and improvements.
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One off third party tools implementation.
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One off third party tools troubleshooting and diagnosis.
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Astonish Results, Warwick, RI.
Senior Systems Engineer
July 2009-October 2010
Designed, implemented and managed server environment consisting of HP Blade
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Servers virtualized with VMware using SAN storage and running Windows 2008 Enterprise,
Protect Point, Netscaler and Neverfail solutions.
Ensured servers met proper performance and capacity standards.
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Built email delivery systems with PowerMTA while implementing best practice sending
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methods consisting of domain keys, unsubscribe methods and inbox placement.
Single point of contact 24/7 for all system related issues.
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Worked with Hardware and Software vendors with ordering and IT budget.
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Responsible for extensive project planning and technical documentation duties.
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Researched and implemented new technologies.
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ARC, Austin, TX.
Network Operations Consultant
July 2008-September 2008
John Zulim
Lead consultant for the Texas Department of Health Services in regards to their IT
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infrastructure.
Redesigned email system incorporating Sendmail.
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Added redundancy to the front and back door of the email delivery system.
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Setup Cisco VPN hardware and access.
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AptHost Communications Inc.
Operations Consultant
February 2008 – March 2008
Hostway Corp.
Network and Systems Administrator
Acted as interim Operations Manager, supporting 1200+ customers with a team of 7 individuals
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supporting over 50+ servers running various Linux distributions and open source software such as MySQL,
apache, exim, postfix, cpanel and Virtuozzo.
Migrated 700+ customers from one set of servers at one datacenter to a new infrastructure designed and
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implemented by myself.
Created a MySQL cluster using MySQL and MySQL proxy to offload processor load on the web servers.
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Implemented internal communication and monitoring tools such as Clearspace for information and
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document sharing, Openfire for secure instant messaging communication and Zabbix for server monitoring.
Provided Billing, Sales and Technical support as needed.
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March 2006-January 2008
Network and Systems Administrator for Hostway's Austin Data Center, which currently
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holds over 2000 servers ranging from RedHat EL to Windows 2003 R2 systems. Acted as
Operations Manager at various times during my employment.
Used a collection of monitoring solutions such as Cacti, Nagios and Zabbix to proactively
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monitor and responded to alarms for all internal and customer systems.
Primary Technical Coordinator and Project Manager for several of Hostway's “Premier”
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clients. The responsibilities included consulting with those clients before large server orders
were placed, interfacing with their teams and our own to ensure efficient deployment
strategies and being a primary point of contact for day to day and emergency situations.
Lead on the Sales Engineering team; helped decide whether or not we could and how we
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would support custom hardware or software configurations. Carried out the completion of
specific configuration requests that were above and beyond our normal offerings at an
additional fee.
Key member of the network security team which helped configure private networks,
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deploy and maintain firewalls, and discover and resolve security breaches and network
attacks that are caused by compromised systems.
Worked with a countless number of customers to improve performance and enable
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functionality by suggesting and applying configurations that are widely supported but specially
adapted and customized to fit their needs. This may include tweaking Apache, setting custom
variable parameters in MySQL, properly connecting PHP-related applications for use with IIS
or crafting IP tables rules.
Technical escalation point during regular working hours at the data center and while
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performing on-call duties.
Datran Media
Network and Systems Administrator
June 2005-December 2006
712 Sheraton Ave Austin, TX. 78745 512-***-**** *********@*****.***
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John Zulim
Systems administrator for a Linux-based server operation and a key member of a 24 X 7
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support team.
Responsible for the health of our systems by performing hardware and software
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installation and maintenance, monitoring system performance using in house monitoring
application, and pro-actively seeking ways to work more reliably and efficiently by staying
abreast of changes in open-source technology that would directly benefit our operation.
Technical coordinator for deployments of multi-server solutions to various co-location
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facilities.
Responsible for regular overnight emergency response duties that included the guarantee
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that all services on all machines would continue to function normally.
Simplified Development
NOC Supervisor
October 2002 – October 2003
Systems administrator for a Linux-based server operation and a key member of a 24 X 7
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support team.
Lead implementation, configuration, and administration of ten separate customer
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networks. Installed and configured Linux, HP UX, and SCO servers.
Installed and monitored Apache, Sendmail, and Bind running on Linux, and Netscape
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Enterprise on HP UX to ensure stability and operations.
Engineered Bourne, Korn, and SH shell scripts with embedded SQL statements to
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monitor network traffic and performance in real time. The data was then transported to an
online device for review.
Handled emergency on-call duties 24/7.
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Simplified Development
Technical Engineer Team Lead
June 2000 – October 2002
Maintained disc space availability, data integrity, and uptime of Informix and Oracle
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databases running on UNIX servers.
Wrote scripts to automate daily tasks like monitoring disk usage and memory usage, and
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to verify that services and critical executables remained running without errors.
Reviewed server logs to ensure continued health and wellness checks on UNIX hosts,
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looking for critical hardware failures, and network intrusions.
Implemented, configured, and administered firewalls (Socks IPFirewall, IPTables) to
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ensure network security.
Troubleshot network issues, either carrier problems or customer related configuration
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issues.
Supported several UNIX machines networked using Informix database connected to
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Nortel, Cisco, or Lucent 'soft' telecom switches - Nortel DMS, Cisco VCO, Cisco 5300, Lucent
Excel - and the HP Open Call SS7 interface.
Professional Reference __________________________________________________________
Available upon request
712 Sheraton Ave Austin, TX. 78745 512-***-**** *********@*****.***
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