Mark A. Wellman
Morgantown, IN 46160
phone: 317-***-**** ac4btn@r.postjobfree.com
PROFESSIONAL EXPERIENCE:
Oracle Corp. – Indianapolis, IN 2015-2016
Principal Security Analyst
Implement AAA solution using OpenLDAP and RCDevs multifactor authentication.
Established LDAP replication across Asia, Europe, and US using 6 OpenLDAP masters.
Linux System Administration and limited Windows Administration.
Shell scripting to automate tasks using ksh (korn shell).
Sears Holdings – Chicago, IL 2013-2015
Team Lead - Infrastructure
Install and configure LDAP directory server 389-ds & Sun ODSEE supporting 500,000 directory entries.
Established replication topology utilizing Masters, Hubs, and Consumers.
Automated installs and custom configurations using Puppet.
System Administrator on Linux CentOS, Redhat, Ubuntu (e.g. shell scripting/troubleshooting/Nagios monitoring).
Perform tier 3 (last tier) level support 24 X 7.
Support of LDAP batch processing (PHP, Java) which included on call duties.
Support of SSO solution utilizing SAML.
Wellpoint Inc. (National Government Services) – Indianapolis, IN 2002-2012
Senior IT Advisor (UNIX System Administrator/Infrastructure team lead)
Responsible for Administration of Sun Solaris systems (e.g. installation/operating system upgrades and patching/shell scripting/configuration/troubleshooting/architecting solutions).
Install, configure, and administer third party software (e.g. Web Servers-iPlanet, apache, tomcat /Directory & Proxy Server (ODSEE), Siebel, Veritas Volume Mgr & Netbackup, Actuate, Jacada).
Interact heavily with all aspects of the business including Deployment, Security, Requirements, Development, Configuration Management, and QA.
Responsible for performance tuning and monitoring on LDAP and Unix infrastructure.
Implemented Sun’s LDAP proxy and directory in a multimaster replication configuration.
Architected, installed, and configured highly available LDAP infrastructure to support 16 million directory entries.
Instrumental in implementing Sun’s Password Self Service using IDM (Identity Manager).
Heavily involved in 3 Mitre Security Audits in the Data Center.
Infrastructure Team Lead in obtaining CMMi (Capability Maturity Model) Level’s 2 thru 4.
Security Clearance Level 1.
Updated servers to adhere to the DISA STIG’s.
Perform tier 3 (last tier) level support 24 X 7.
Created and updated required documents such as SOP’s, Configuration Management Plan, Architecture Plan, and System Security Plan.
Team lead in implementing real time Integration layer to back-end mainframes for Health and Human Services (HHS) Medicare data.
Participated in live cutovers (DR testing) to hot mirror site and returns to primary site with full capabilities activated. (executed twice a year).
Fischer International Systems Corporation – Naples, FL 2000-2002
Directories Consultant / Project Manager
Responsible for Meta-Directory implementations and support (X.500, LDAP).
Conduct training on Siemens X.500/LDAP product.
Perform UNIX System Administration duties on Sun Solaris.
Install and configure third party software for lab simulations as needed (e.g. Peregrine, Oracle, Netscape/iPlanet, Siemens).
Perform demonstrations of our solution for potential clients.
Participant in development of company “White Papers”.
PREVIOUS PROFESSIONAL EXPERIENCE:
Thomson Consumer Electronics / RCA – Indianapolis, IN 1996-2000
Manager Midrange Systems (2 years)
UNIX System Administrator (AIX, SUN)
DB2 DBA
Essex Wire –Ft. Wayne, IN 1995–1996
Senior Systems Analyst
Merrill Lynch – Jacksonville, FL 1995-1995
Senior Systems Analyst
Thomson Consumer Electronics / RCA – Indianapolis, IN 1986-1995
Senior Systems Analyst
Federal Mogul Corporation – Detroit, MI & VanWert, OH 1981-1986
Programmer Analyst (Work/Study College Student-alternate quarters)
AWARDS / RECOGNITIONS / CERTIFICATIONS:
Sun Certified System Administrator
Work/Study College Education Student (1 of 5 selected from 80 applicants)
Award for best exemplifying corporate values at Thomson (1 of 25 selected from 1400)
Information Systems Management Program at Thomson
“You Make the Difference” award from CMS for contribution to achieving CMMi Level 3
“Eagles Nest” nominee for Customer Service at National Government Services
EDUCATION:
Bachelor of Science from Ball State University Muncie, Indiana
Major: Computer Science
Double Minor: Business; Applied Mathematics
Graduated Cum Laude