Systems Administrator Linux

Kurt Sermas

Irving, TX (M) 214-***-**** ************@*****.***

Professional Summary

Reliable IT professional with expertise in Systems and Network Administration focusing on LINUX and UNIX platforms. Proven experience with thousands of end-users in a 24x7 support environment. Strong motivational skills and adaptability to an ever-changing computing infrastructure. Unique blend of software implementation and hardware installation experience. Strong leader with strengths also in telephony, network hardware, software troubleshooting, project managing and training of colleagues.

Technical Summary

Redhat Certified Systems Administrator RHEL Version 6.

Operating Systems: Sun Solaris vers. 2.6 to 10, HP-UX vers. 9 to 11, Red Hat Enterprise Linux versions 3 to 7, SUSE LINUX 4.0.1 for Mac platform, Mandrake LINUX 10, Yellow Dog LINUX 9.3, X Windows configuration. Perl, Bash and Korn shell scripting. Vmware 3.5.

Data Hardware: All Sun hardware from Sparc to Enterprise systems, HP 9000, B-180, B-1000, Dell PowerEdge 850, 2450, 2550, 2850 and SC 1420. Motorola VME and cPCI Blade Chassis, MacIntosh G4 and G5. SCSI and IDE transports. Cisco, Bay Networks and I-Touch terminal servers.

Networking: Configuration, installation and troubleshooting of Bay Networks Routers and Switches, Cisco router configuration, TCP/IP, RIP, OSPF, ATM configuration, IP subnetting, VOIP.

Professional Experience

Bank of America – Websphere, Infosphere, Datastage, Hadoop Admin(April 2017 – November 2024)

Websphere and Tomcat administration on RHEL 6 platform for QA and Production servers in DevOps environment utilizing console and command-line.

Mulesoft administrator using Vanguard console in DevOps environment.

Administered security-certificate installation via Venafi for RHEL servers

RHEL 5 and 6 System Administration on virtual and physical servers

Installation of proprietary software updates for BofA software in Linux environment

Informatica and Datastage support and configuration. Horizon and Red Hat Ansible Tower installation.

Hadoop support on RHEL 7 with Ansible deployment

Corelogic – Linux Administrator (March 2015 – January 2017)

Level-two Linux/Unix Support for middleware and application servers

Linux scheduled-maintenance administrator.

Executed SQL scripts on SQL Developer. Supported Splunk for log file visibility in Production

Weblogic/Jboss administrator on Linux platform.

Verizon Terremark (Contract with Tek Systems) Linux Administrator (July 2013 – November 2014)

Linux administration of external-customer Oracle-application servers on Dell and HP servers

Backup administration using CommVault and BEX

Administered vmware servers running 5.1

Wrote Wiki articles for knowledgebase application

NIIT – Redhat Linux Instructor (March 2013 - July 2013)

• Trained on Redhat Certified Systems Administrator and Certified Engineer courses

• Learned CIFS, firewall configuration, ISCSI storage, Web server configuration, SMTP server,

vsftp server, ssl-based and name-based web server configuration, yum repository configuration.

Nationstar Mortgage (Contract with Apex Systems) – Jboss Administrator Lewisville, TX (July 2011 - October 2012)

• Lead Linux Administrator/JBoss Administrator for Imaging department.

• Administered RHEL 5.5 JBoss Linux servers. Configured Jboss Enterprise 5.1 for FileNet

• Perl and Bash scripting to automate weekly administration tasks.

• Configuration of ext3 filesystems on storage LUNs using LVM.

• Use of vmware servers usingv.

Fiserv (Contract with Tehnisource) Linux Administrator Irving, TX (May - June 2011)

Linux Administrator/Security Engineer Administered security vulnerabilities on SUSE Linux servers versions 9 and 10 for new infrastructure build.

Cisco Systems (Contract with Insight Global) - Lab Technician. Richardson, TX (August 2008 - February 2011)

• Configured and installed Apache and Nagios server for network-hardware monitoring.

• Implemented WSUS server to keep Windows servers virus free.

• Red Hat Linux Administration for 350 build and software servers.

• IBM and HP installation and configuration.

• Vmware administration on UCS and HP platforms with EMC storage.

• Bash shell scripting on RHEL 5.

DG Fast Channel - Solaris Administrator. Irving, TX (October 2007 to July 2008)

Solaris Systems Administrator

• Solaris 10 Administration Enterprise class servers.

• Solaris DiskSuite and Veritas disk partitioning and mirroring.

• Big Brother monitoring software configuration.

• Symantec backup client configuration.

• Gnu/Red Hat Linux Administration

• Bash shell scripting.

Brierley and Partners (Contract with Apex Systems) - Dallas, TX (July 2007 to September 2007)

Legato Administrator

• Backup administrator with Legato software.

AmeriPath (Contract with Modis) Linux Administrator - Carrollton, TX (December 2006 to March 2007)

Unix/Linux Systems Administrator

• Backup administrator with Legato software.

• Red Hat Enterprise 3 and 4 hardware and OS installation on Dell 2850s and 2950s.

• Solaris 10 OS installation and configuration on Sun Fire v440 and v880 platforms.

• Bash and Korn shell scripting.

• Server monitoring with Nagios software.

• Encrypted ssh and secure-key user administration

Electronic Data Systems (EDS) (Contract with Apex Systems) Solaris Adminstrator - Plano, TX (July 2006 to November 2006)

Systems/Network Administrator

• Installed and administered Sun Fire and Enterprise Sun hardware running Solaris 9 and 10 using Jumpstart.

• Administered DNS server.

• Updated all online test lab information.

• Administered Linux and Solaris terminal servers.

• Configured Solaris 10 zones.

Nortel – Unix/Solaris/Linux Administrator Richardson, TX (1997 to June 2005)

Systems/Network Administrator

Was a Global leader in delivering communications capabilities, securing and protecting critical information serving customers through end-to-end broadband, Voice over IP, multimedia services and applications plus wireless broadband.

• Provided Systems Administration for production clients and servers and Network Administration of Bay Networks hubs and routers.

• Created and implemented LINUX-based server lab for software testing saving the company $1 million per year in support costs.

• Achieved top status in the number of Solaris systems administration problems solved for entire Nortel Richardson campus.

• Managed and implemented monthly hardware and software upgrade and configuration projects.

• Handled hardware installation and repair Sun Enterprise class systems.

• Trained all colleagues at Nortel's Richardson Lab Operations in Sun Solaris and LINUX administration techniques.

• Administered ATM, OSPF and RIP routing between proprietary, multi-interface hardware and data hardware.

• Spearheaded project to implement HP 9.0 on legacy servers with no operating system or hardware documentation.

• Maintained NFS file systems and UNIX clients for entire user community.

• Engaged in off-hour power projects to maintain data-client integrity before and after a power shutdown.

• Coordinated with software engineers a project adding Macintosh systems in place of Motorola VMEs for proprietary software testing.

• Served as leader of administration of GSM software and hardware engineering department.

• Oversaw NIS and DNS client configurations on Solaris and LINUX platforms.

• Configured special parameters at the system level for Solaris OS installations.

• Created and maintained Meta devices and new packages for Solaris OS clients.

• Managed disk space for all NFS exported directories.

• Led the migration of all Motorola VMEs to a new ip subnet.

• Was the leader in documenting the installation and troubleshooting of tape-base HP-UX 9.0 for VMEs.

• Led the purchasing of Red Hat and Sun Solaris OS disks.

• Was a group leader for all UNIX and LINUX based systems on 24X7 basis.

• Had prior seven year experience in Restaurant Management and Food-Service Management.

Education and Certifications

Southern Methodist University School of Engineering – Unix Administration Certification

University of Texas at Austin - Bachelor of Journalism,

UNIX Systems Administration/C-Programming Certification

RHCSA RHEL 6

Certified Training Classes: Sun Systems/Network Administration, ATM Networking and Troubleshooting, TCP-IP, Perl, Solaris 6 through 10, HP 9 and 10, Network Protocols, Inter-network Routing and Router Configuration, 1990

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