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Unix/linux Systems Engineer Resume

Dallas, TX

TECHNICAL SKILLS:

Hardware: IBM p620, p640, p660, x335 and x340; Dell PowerEdge 750, 1750, 1950, 2950 and 6850; HP/Compaq DL360 and DL380; Coyote Load Balancers 250si; Sidewinder Firewall 1100, and Sun SS 5/10/20, E250, E450

Operating Systems: Confidential 3.X, 4.X and 5.1L including LPARS and Confidential, Red Hat 3/4/5, Fedora (All versions), Ubuntu,, Solaris 2.6, 7, 8, 9 and 10 SCO 5, Tru64 4.0 and 5.0, HP - UX 10 and 11, BSD, Dynix/PTX

Networking: DNS/BIND, NIS+/LDAP, HTTP(S), NFS, SMB, SMTP, and SSH

Application Servers: BEA Weblogic, ATG Dynamo, JBoss and Tomcat

Programming: Perl, Sed, Awk, Tcl/Tk, Expect, Shell (Korn, Bash, Bourne, and Csh), Ruby, Python, PHP, GNU C and C++, Qt, pbForth, and LegOS

Databases: Oracle 9i and 10g, Mysql, PostgresSql, Progress V6/7/8

Virtualization: VMWare ESX, GSX, ESXi 3 and Xen

Storage Hardware: EMC, IBM Shark ESS800, IBM FastT200, StorageTek SAN, Snap Server NAS devices.

Storage Software: Veritas Foundation Suite and Tivoli Storage Manager.

PROFESSIONAL EXPERIENCE:

Unix/Linux Systems Engineer

Confidential, Dallas, TX

Responsibilities:

  • Sole engineer and administrator of 50+ Confidential and Linux servers supporting core enterprise applications.
  • This includes deploying and maintaining the primary Oracle databases, ecommerce web portals, several corporate websites and the development and test environments of those systems.
  • I also support the DMZ environment for the externally facing web servers and recently began virtualizing servers in an effort to decrease the number of platforms needed and thereby reducing the load on data center’s power and environmental demands.
  • Work closely with the application development teams, database administrators, network engineers in order to meet SLAs.
  • Help security team in vulnerability scanning and remediation.

Information Security - Unix Administrator

Confidential, Westlake, TX

Responsibilities:

  • Member of Confidential group responsible for conducting network scans for vulnerable hosts in a 9,000+ server and 50,000+ desktop environments.
  • Ensured enterprise security policy compliance used a variety of open source and off the shelf vendor packages, primarily Symantec ESM 5.5.
  • Was mainly responsible for relaying “out of policy” information to the various business units, specifically in regards to the Confidential, Solaris and Red Hat servers.

Contractor/Unix System Administration

Confidential, TX

Responsibilities:

  • Contracting with 2 companies to provide Unix administration on a variety of platforms, primarily Confidential and Linux.
  • Tasks included data backup/restores, task automation/scripting, database management (DB2, PostgresSQL and MySQL), Tivoli Storage Manager and Veritas File Manager admin, and maintaining high availability via Confidential .
  • Also provided 2nd level support for customers in Unix system performance tuning, network management and application support.

Unix System Administrator

Confidential, Dallas, TX

Responsibilities:

  • Responsible for the administration of approximately 40 Unix servers, running either Solaris 6/7/8, Tru64 4.0/5.0, Confidential 5.1L and Red Hat Linux 8.
  • All were used for a variety of enterprise-wide services including Sendmail, DNS, Internet proxy servers corporate firewalls, interface engines and application development and production servers. Most of the Solaris boxes were the primary component of an application called Eclipsys Sunrise Critical Care, which is used for complete online patient charting and documentation in the Pediatric Intensive Care Unit.
  • Because of the 24X365 importance of an environment like this, near 100% uptime was an absolute requirement.
  • For remote hardware monitoring, I initiated the use of the Big Brother monitoring application to monitor all of our servers.
  • Was on-call 24x7 via pager and cell phone.

Contractor, Distributed Lab Supervisor

Confidential, Irving, TX

Responsibilities:

  • Supervised a 365 day by 24 hour lab of 10 people who facilitated code movement from development to testing across a large distributed Unix environment.
  • Daily work included quality assurance in work done, scheduling, mentoring Unix skills and other typical supervisory tasks.
  • Implemented code migration windows to help manage testing management and improve work flow through the lab.
  • Also performed on-the-spot counseling as needed.

Unix System Administrator

Confidential, Dallas, TX

Responsibilities:

  • Administrator for several Solaris boxes used for product development and testing of integration of 4 customer packages.
  • Assigned tasks included installing and configuring environments used for testing, writing automated scripts to aid in daily tasks and deployment, creating new user accounts, system monitoring and Unix training for other team members.
  • Also was responsible for 6 Solaris boxes at client site during user acceptance testing.
  • Tasks for these machines were identical, but also included traveling to client site to determine client requests and considerations and enabling security standards.
  • Was on-call 24x7 via pager and cell phone.

Contractor-Progress Programmer/Unix System Admin

Confidential, Greenville, TX

Responsibilities:

  • Originally brought in to provide Progress/Symix development and modification support, but was given additional SCO system administrator after the third month.
  • Worked in the PO, Inventory and Financial Modules for Syteline 4.5. Monitored and maintained multiple SCO 5 machines and tuning their performance to work with the 24 Progress/Symix databases with 300 plus users.
  • Re-implemented testing environment for the software developers. Was on-call 24x7 via cell phone.

Consultant-Progress Programmer/Unix System Admin

Confidential, Omaha, NE

Responsibilities:

  • Worked with several customer clients, taking their requests for application maintenance and new development and implementing these requests.
  • Also worked as Confidential system administrator and with end users, training them in the use of the applications.
  • Required knowledge in a wide variety of computer topics ranging from software application and operating system issues to hardware and networking topics.
  • Primary applications were FELIX written in Progress V6 and Daly Dot Commerce written in Progress V7/8 GUI.
  • Secondary tasks included providing Linux, SCO, and NT operating system support.

Programming Manager

Confidential, Omaha, NE

Responsibilities:

  • Manager in charge of a group of programmer’s who maintained and developed three of the company’s key internal databases/applications.
  • Responsibilities included collecting and implementing user requests, maintaining group budgetary concerns and working with my programming staff as needed.
  • Primary applications were two Marcam derivative apps written in Progress V7 ChUI and a Symix/Syteline 4.5 derivative app written in Progress V8 GUI.

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