MARINA KOROLEVA
**** ***** ****** *** ** Brooklyn, NY 11235 cell: 646-***-**** **********@*****.***
Sun Certified Engineer for Sun ONE Directory Server with expertise in Security and System
Administration
Experienced and accomplished IT Professional with proven ability to successfully administer and maintain
Distributed and Legacy-based Identity Management Systems in a financial institutional environment. In-depth
understanding of Directory Server infrastructure and LDAP theory. Strong troubleshooting and technical support
capability with security and database applications. Team player with great communication, presentation,
analytical and problem solving skills. Interested in enhancing skills and learning new technologies.
TECHNICAL SKILLS
UNIX, IBM, Solaris, Windows NT/XP, z/OS
Systems
Sun, IBM Mainframe, Cisco
Hardware
Sun Java System Directory Server 5.2, Oracle[Oblix] Access/Identity Manager with Single Sign-
Software
On Product, CICS, PVCS, Lotus Notes, Windows NT, MS Office
LDAP, SSH, TCP/IP, HTTP, FTP, DNS
Protocols
Perl, Unix Shell, Cobol2, MVS/JCL, VSAM, DB2, SQL
Languages
OS Utilities, SLAMD, Directory Server Resource Kit, Sun Gathering Debug Data, Mercury
Tools
Interactive Topaz, TMON, TSO/ISPF, QMF, File-Aid, Abend-Aid, Intertest, ViaSoft, Xpediter,
Endevor, Librarian, Changemen
PROFESSIONAL EXPERIENCE
1999-Present
AXA Equitable, Jersey City, NJ
Senior Systems Analyst
Oversee Directory Server operations for a large multi-master Single Sign-On environment running Sun Java
System Directory Server 5.2 on Solaris with geographically dispersed MMR agreements over WAN between 3
data centers.
Perform environment setup, implementation and on-going maintenance and troubleshooting with 24x7 on-call
support of Production systems on a rotation basis and during scheduled events. Supervise and provide
technical leadership to members of the Directory Team.
Deployed Sun Directory Server in the Test and Production environments.
Experienced in evaluating, testing and performing upgrades of Directory Server with new software and
patches.
In-depth knowledge of the internals of Multi-Master Replication between multiple data centers. Led
infrastructure design of three new data centers and elimination of two old centers.
Extensive knowledge in performance-tuning recommendations, testing and implementing them using
SLAMD and DSRK, which improved Directory search performance 45 % via optimizing database and entry
cache, indexing, and threads.
Created and managed the additions to Directory Tree, schema extensions, access control instructions.
Performed import and export of Directory Server databases using Sun utilities and Perl scripts.
Performed backup and restore of Directory Server databases.
Wrote and installed multiple Perl and Korn Shell scripts to proactively manage, debug problems, monitor
Directory Server tasks and system administration tasks to ensure high system availability and increase
stability: monitor replication, CPU, memory, perform database backup, regular restart of production servers
based on replication and configuration dependency.
Developed multiple Perl scripts to manipulate data contained in Directory Server, established various
automated reports.
Coordinated testing business resumption (disaster recovery) scenarios for security services.
Supported various internal users to make the applications compliant with SOX. Secured and enforced
password policies for organizational units and for individual users.
Interacted with Sun vendor to resolve software issues, heavily used Sun tools to analyze and debug
problems (Sun GDD).
Marina Koroleva Page 2
Familiar with Oracle Access/Identity Manager. Administer user identities and identify who has access to
what information across entire infrastructure.
Responsible for administration and maintenance of mainframe-based Identity Management System supporting
proprietary agent and employee workstations and administration systems.
This system issues and controls access to multiple applications, provides feeds to customer and agent
databases and performs multiple transactions handling all organizational changes within company’s hierarchy.
1998-1999
Depository Trust Company, New York, NY
Programmer/Analyst, Consultant
Involved in redesign, modifications, testing of the CMAO Trade Adjustment System to handle variable rate
CMOs and ABSs. The system calculated the adjustments using the latest rate information, which was
available at the time of the trades as well as the rate that the factor and coupon should have been on the
day the trades settled.
Responsibilities: programming, code remediation, application testing, debugging.
1997-1998
Pfizer, New York, NY
Programmer/Analyst, Consultant
Involved in development, remediation, testing and implementation activities in pension, payroll, credit and
receivables, ERIS project enhancements. Participated in Full Project Life Cycle including detailed analysis
on the programs, modification and testing: unit, regression, and system using MVS and the ViaSoft tool
Smart Test. The programming tasks were performed in accordance with the established standards to
ensure Y2K capability. Performed Quality Assurance analysis, which requires detailed specifications and
knowledge of the application in order to construct verifiable tests.
Responsibilities: programming, code remediation, conducting walk through to ensure code efficiency,
application testing, debugging and documentation of all coding modifications, performance analysis.
CERTIFICATION
Sun Certified Engineer for Sun ONE Directory Server
EDUCATION
MBA in Economics, Plekhanov Russian Academy of Economics, Moscow, Russian Federation
Major: Commodity Expertise and Trade
Minor: Computer Science
BA in Music, Schnittke College of Music, Moscow, Russian Federation
REFERENCES
Will be furnished upon request