Senior UNIX/Linux/Network/Security Architect/Engineer/Admin/Programmer

Referenznummer KDNR.013

Objective

Challenging projects in datacenter and systems support, Infrastructure risk management, engineering, deployment, migration and live upgrades, where bright engineering solutions are essential for solving complicated technical and organizational problems within demanding time frames and restricted budgets. 

Summary

Expert in Open Systems and Client-server technologies, IP networking, IT Security, Linux (RHEL, SLES, HPC), UNIX/Solaris/AIX,  virtualization technologies (VMWare, XEN, Oracle VBox, Zones/LDOMs, p5 LPars etc.), clustering (HPC, VCS, Unbreakable, SunCluster, etc.), cross-platform middleware, architectural IT design, direct and reverse engineering, L3/L2 support  for large scale and  mission critical production environments. IT risks management (security, data integrity, uptime/availability, capacity/performance). Business Contingency Planning and Disaster Recovery schemes design, implementation and testing.  Security audit for financial organizations. Systems  and Applications programming in various UNIX-like environments. Large-scale migrations and  moves of legacy IT infrastructures. Project and team management in multi-national and geographically distributed organizations.

Recent projects

May 2012-May 2013: Bank

Core banking/e-Banking UNIX apps support. Incident management, scripting for app/DB monitoring, apps migration from Solaris SPARC to Solaris x86 and RH Linux.

March 2010-Feb 2012: Bank

Fix Trade Integration support engineer. Systems, network, middleware and applications support and trouble-shooting for low-latency trading platform. Engineering and support of pricing broadcasts, market data feeds, end-to-end trade flows. Installation, administration and performance tuning of Solaris, RHEL5/6 based and application-specific clusters, MQ, Tibco RV, Nirvana, Apache Webserver and Tomcat, DMZ specific tools, SSZ. Verisign and self-singned certificate management for Apache, Nirvana, SSL tunnels (DMZ and internal connections). Sub-millisecond time synchronization across the globe using Tibco RV APIs for C.  Critical production code upgrades, incident  management.

Aug.2007-March 2010: Bank

UNIX Infrastructure cleanup and ongoing projects (RHEL, SLES, Solaris, AIX). Setup of Linux/Solaris/AIX provisioning system including Kickstart, Jumpstart and NIM. Design and testing of  manual failover schemes for Linux and Solaris workgroup-range servers and for IBM p590 LPars between sites for BCP. Core Banking, Data Warehouse and Trading applications support and reverse-engineering.  p590 HSM-side scripting  for unattended LPar resource management. AIX and Linux LVM, Veritas VM, Sun SVM (DiskSuite) on Hitachi storage with HDLM and MpxIO, Jumpstart with automatic installation and configuration of Solaris zones, complicated ZFS pools, custom SMF methods/manifests, homemade SMF-aware packages. Middleware support and engineering for trading floor  – MQ, secure file transfer with scp, sftp, IP tunnels, FTP/SSH robots.