Welcome on my freelancer private profile page!
My name is Lukas and i am 10+ years experienced webhosting architect working as IT contractor for many years using almost all versions and vendors of Unix/Linux systems, WWW web servers, JAVA Application Servers and any kind of OpenSource and not only software. I have Strong network and security knowledge. My passion which is my work! started over 15 years ago when the internet wasn't so complex and commercial network and wasn't looking like it is now! Choosing me as your resource you can be sure that i will provide you best solution available for your demands together with bright and professional recommendations and ideas.
Please see below quick view of who i am and what i am doing.
Two main rules regarding my freelancer bidding:
1. When i am placing a BID, i am SURE that i am able to help you with your problem or implement required solution.
2. I do not place any bid if i am not sure about my qualifications and about your project.
Thats all!
Below you can find more detailed information about my past/current work and technologies that i am using.
CAREER SUMMARY/ABILITLES:
Experienced in designing, building and supporting Web middleware/EAI and UNIX infrastructures for Investment Banking environments, telecoms and e-commerce from the beginning of professional carreer. Strong Web middleware and UNIX Security background. Best practices in IT operational processes in worldwide organizations like Citigroup Plc. / Orange Telecom company etc. ChangeControl/incident reporting, SLA/OLA defining, knowledge of Information Technology Infrastructure Library. Goal oriented, self-motivated, well-organized, open-minded, RHCT RHCE Certified.
KEY SKILLS:
Technical:
- Technologies and Concepts: J2SE/J2EE ,SOA, XMLRPC, SOAP, RMI,JMX, JTA, JMS, JDBC, Web 2.0 technologies Internet Protocols especially: TCP/IP, IP Filtering - Iptables/NAT, SMTP, POP3, IMAP, HTTPS, SSL, XML, UML, Object Oriented Programming, Multi-tier Architectures, Client – Server, Service Oriented Architecture Unix / Linux platforms including Virtualization Concepts, Automated server deployment - Red Hat Kickstart, Solaris Jumpstart
- Middleware: Oracle Coherence, Oracle Weblogic Application Server 10.x, BEA Weblogic 7.x 8.x 9 10, 11g, IBM Websphere 6,0 6,1 7, SUN iplanet and Apache web servers, Webmethods EAI, jBoss, SUN Java Enterprise Server Software, Siteminder, mail servers (Qmail, Exim, postfix, sendmail), DNS (bind 4, 8, 9), proxy (Squid)
- Unix/Linux: Linux (Red Hat (AS, ES), SuSe Enterprise Server, Openwall Linux, Debian, Fedora), Solaris (7, 8,9,10 including Containers and HA Clusters), *BSD (FreeBSD, OpenBSD), AIX 5.2/5.3 , BASH Scripting.
- Databases: MySQL, PostgreSQL, Oracle database
- Storage and Backup: NetApp filers, EMC Cellera, Veritas Volume Manager, Legato NetWorker, AIX LVM, VERITAS , VxVM VxFS , HP EVA Storage Solutions
- Security: identifying security threats such as buffer overflows, format string bugs, race condition bugs, SQL injections, rootkits, viruses etc., application level security audits and network level security audits
Management:
- End-to-end project management.
- Familiarity of service availability and performance monitoring, based on standard Unix tools.
- Cross-platform problem solving (server-network, server- database, application-load balancer etc).
- Developing and maintaining positive working relationships both internal and external.
Languages:
- Mother Tongue: Polish
- Fluent: English
PROFESSIONAL QUALIFICATIONS:
- RedHat Certified Technician - RedHat Enterprise Linux 5 (No. 805010728347334)
- RedHat Certified Engineer - RedHat Enterprise Linux 5 (No. 805010728347334)
- NGSEC Security Certificate NGCERT-2007-20444
- Sun Cluster 3.1 Administration (ES-338)
- SUSE Linux Enterprise Server 9 – Administration
- AIX 5L – Administration
- webMethods – Administration
- webMethods – Troubleshooting
- NetApp Data Protection Solutions
- NetApp SAN Administration
- BEA WebLogic Server 8.1: Advanced System Administration
- BEA WebLogic Server 8.1: System Administration
- PATROL for Unix Perform and Predict
- Security Policy Best Practice by DNS Poland/RSA Security and SUN Microsystems
IT PUBLIC SPEECHES:
- Oracle Weblogic Application Server 10/11g trainer for Oracle
- LinuxPro 2004 Conference - Plug and Play! - Hardware in Aurox Linux
- IT in Enterprise Business 2004 Conference - Aurox Linux Preview + workshop
- Sector Development Center Conference - Linux Aurox BIP Preview
