Sergey Lyakh Email & Phone Number

Pompano Beach, Florida, United States (Remote)

Hard Real-Time Kernel Engineer for Red Hawk Linux OS

All technical aspects of building a dedicated hosing provider from ground up, including but not limited to:- Definition, Architecture and Implementation of dedicated hosting infrastructure and services (both software and hardware)- Network architecture and management- Process automation (deployment, monitoring, reporting)- Customer support and crisis response- Leading Support, Systems, and Networking teams

Rtp, Nc

Designing, developing and supporting highly parallel high-throughput software emulations of SCSI Tape Libraries and SCSI Disks on top of EMC / DataDomain inline deduplication appliance.- Thousands of devices/io streams- Tens of GigaBytes per second data throughput- SCSI over FibreChannel- NFS backend interface- Linux on NUMA platform- C, GCC, GDB, Perforce

- Supporting cable network for five markets in South-East region- Troubleshooting interactive services (SDV and VOD): digital sources, forward and reverse data path, set-top boxes- Managing geographically distributed network resources, RF channel allocation and digital services- Configuration management, systems administration and scriptingIT environment: RHEL 4/5, Solaris 9/10, Intel / Sparc, clustering, IP multicast, SDV, VOD, RF, QAM, QPSK, DOCSIS, DNCS, USRM, RF… Show more - Supporting cable network for five markets in South-East region- Troubleshooting interactive services (SDV and VOD): digital sources, forward and reverse data path, set-top boxes- Managing geographically distributed network resources, RF channel allocation and digital services- Configuration management, systems administration and scriptingIT environment: RHEL 4/5, Solaris 9/10, Intel / Sparc, clustering, IP multicast, SDV, VOD, RF, QAM, QPSK, DOCSIS, DNCS, USRM, RF Gateways, HFC Show less

- Improving Linux kernel security by enabling and maintaining code and data page access separation.- Multiple patches submitted, touching the following subsystems:- static kernel image sections layout- initial kernel space memory mapping- BIOS32 services mapping- kernel module dynamic loader and linker- ftrace dynamic function tracing

- All aspects of Unix systems administration- OS installation and configuration- Software and hardware troubleshooting- Capacity assessment and planning- On-call rotation for 24x7 systems support- Performing daily written and verbal communication with customers, management and other groupsIT environment: RHEL 4, Solaris 10, Debian GNU Linux, Ubuntu Server, Apache, Squid, Weblogic 8.1.5, Oracle 10, J2EE, Java, Intel / SUN Niagara systems, clustering, VPNs, NFS, NAS… Show more - All aspects of Unix systems administration- OS installation and configuration- Software and hardware troubleshooting- Capacity assessment and planning- On-call rotation for 24x7 systems support- Performing daily written and verbal communication with customers, management and other groupsIT environment: RHEL 4, Solaris 10, Debian GNU Linux, Ubuntu Server, Apache, Squid, Weblogic 8.1.5, Oracle 10, J2EE, Java, Intel / SUN Niagara systems, clustering, VPNs, NFS, NAS, RAID Show less

-Managing multiple live production systems with over 50K transactions per day-Managing and performing production system upgrades and code rolls-Managing and performing environment construction and software integration-Working in business-critical environment with tight scheduling-24x7 production platform support with strict SLA-Coordinating efforts of multiple internal and external teams during routine maintenances and service-impacting events-Providing full operational… Show more -Managing multiple live production systems with over 50K transactions per day-Managing and performing production system upgrades and code rolls-Managing and performing environment construction and software integration-Working in business-critical environment with tight scheduling-24x7 production platform support with strict SLA-Coordinating efforts of multiple internal and external teams during routine maintenances and service-impacting events-Providing full operational support during all phases: development, integration, testing, production and decommission-Performing daily written and verbal communication with management and other groupsIT environment: RHEL 4, Solaris 10, Weblogic 8.1.5, Oracle 10, J2EE, SUN/BEA Java 1.4.2, ATG 7.1/2006.3, Introscope 7, Fuel 5, Intel / SUN T2K systems, clustering, VPNs, NFS, NAS, RAID Show less

-Worked in fast-paced time sensitive environment with tight scheduling-Performed hardware testing of NUMA systems-Conducted Integral Function testing and Market Stress Simulation-Analyzed test results and updating records in test database-Troubleshooted hardware, firmware and software, server configuration and testbed setup-Communicated with development and assisted in defect isolation and verification process-Developed comprehensive test automation suitIT… Show more -Worked in fast-paced time sensitive environment with tight scheduling-Performed hardware testing of NUMA systems-Conducted Integral Function testing and Market Stress Simulation-Analyzed test results and updating records in test database-Troubleshooted hardware, firmware and software, server configuration and testbed setup-Communicated with development and assisted in defect isolation and verification process-Developed comprehensive test automation suitIT environment: MS Windows Server 2003, SLES 9, RHEL 4, VMWare ESX 2.5, NUMA systems, SAS, SCSI, CIFS, RAID Show less

-Monitored and maintained critical systems in 24x7 business environment with no downtime acceptable-Supported a network of over 300 computers with over 1000 local and remote users-Assisted in migration from Win 95, NT Domain, Token Ring, IPX/SPX+TCP/IP to Win 2K, AD, Ethernet and TCP/IP-Designed and implemented a web-based front end for phone call database including a report generatorIT environment: MS Windows 95/NT/2000, SCO UNIX, IBM AIX, MS Office 97/2000, NT Domain… Show more -Monitored and maintained critical systems in 24x7 business environment with no downtime acceptable-Supported a network of over 300 computers with over 1000 local and remote users-Assisted in migration from Win 95, NT Domain, Token Ring, IPX/SPX+TCP/IP to Win 2K, AD, Ethernet and TCP/IP-Designed and implemented a web-based front end for phone call database including a report generatorIT environment: MS Windows 95/NT/2000, SCO UNIX, IBM AIX, MS Office 97/2000, NT Domain, Active Directory, MS Exchange Server, MS SQL Server, Micros POS, Veritas Backup Exec, Token Ring, Ethernet, IPX/SPX, TCP/IP, ASP, SQL, Javascript, HTML Show less

- Design and implementation of control automation software- Programming microcontrollers for various robotic control devices- Interfacing PCs with external robotic control units.IT environment: Various Microsoft products, Borland C++, Borland Delphi, TCP/IP, x86/PIC Assembly, ECP, UART, RS-232

- Education software design and implementationIT environment: MS-DOS 3.1-6.0, MS Windows 3.11-95, MS Office, Borland Pascal 5.0-7.0, Borland Delphi 1-3

Master Of Science, Computer Science

Systems concentration. Publications: "Analyzing and Improving Linux Kernel Memory Protection: A Model Checking Approach," Proceedings.

Bachelor Of Science, Computer Science

-Worked as a member of a team on cluster setup for High Performance Computing Challenge at Supercomputing Conference 2003.

Bachelor Of Science, Computer Information Systems

Incomplete degree.

Certificate, Computer Programming

Programming languages: Pascal, Assembly