Shachar Bar Email & Phone Number

Melbourne, Victoria, Australia

Manage a fleet of Redhat Linux servers, providing critical imaging diagnostics data to various healthcare professionals throughout Australia and New Zealand.

Melbourne, Victoria, Australia

Design and implement automation procedures within the company's software development life cycle.Manage and oversee release deployment procedures on production systems.Implement and manage cyber security and intrusion detection/protection mechanisms.Implement a production application alerting system, providing SMS text messages on critical incidents.Lock-down AWS user accounts and replace the login shell with a terminal menu, containing a limited set of permitted operations.Design, install and configure Wireless and Wired networks in a new office. The network appliances are based on the Ubiquiti Pro series (UDM Pro, USW Pro and USP-RPS). The implementation includes configuring the built-in Ubiquiti firewall, IDS/IPS and VPN services.Liaise with both software and hardware vendors regarding SLAs and contracts, to get the best outcome for the business.Prepare purchase proposals and oversee quotes and purchase orders for hardware equipment and software licenses in various aspects of the business, from budget requirements and up to installation and implementation within the business.Implement an OpenLDAP solution for the company's intranet.Create and maintain DevOps operations and procedures, which affect the entire development team.Plan and implement VPN (based on OpenVPN) with MFA solution using the Ubiquity UID cloud service.Manage the DevOps team, which spans across Melbourne, Australia and Bali, Indonesia.

Santa Clara, California, United States

Support EMEA, US and APAC regions with Couchbase's customers technical incidents.Couchbase database troubleshooting.Database and OS performance analysis.Container orchestration using Kubernetes to deploy Couchbase database clusters.Couchbase SDK error logs analysis.Priority ticket handling and customer service inquiries response.Overseeing technical responses and mentoring junior technical support staff.

Southbank, Victoria, Australia

AIX system administration (HACMP LPARs)Linux system administration (OEL, RHEL, Debian/Ubuntu)Managing all Target Australia's Linux and AIX based servers (more than 200 servers) across multiple sitesInstall, configure and manage GPC Asia Pacific's Linux servers, hosting Oracle RAC. Provide 24x7 support for GPC's Oracle RAC serversLinux containers using Docker/LXCDevelop and maintain a private Linux DR and high availability cluster solutionDevelop and maintain a centralised web-based patch manager status application for a large server farm (>200 servers) Convert old production Ubuntu 12.04 servers, which reached their end of support to new RHEL/OEL 7, while migrating the old, non-supported software, including old libraries, old application binaries, etc. to the new servers, with near to none downtime.Implement a 2FA solution using Duo on Linux servers (Ubuntu, RHEL) hosted by vSphere, AWS and physical infrastructure.Develop shell automation proceduresNetApp and IBM storage (DS8870) migration (Multi-Path LUNs over FC) on Linux and AIX serversVMWare system administrationMigrate RHEL5.11 32bit and RHEL7.3 64bit VMs from VmWare to Hyper-VManage Linux servers using AWSPerformance monitoring and tuning (Nagios, RRDTools, Splunk)Active Directory Unix / Linux integration (OpenLDAP, Quest One, Samba)

Australia

Handling complex Linux OS related tasks.Develop new features for Polycom products.

Australia

Software Engineering servicesAnalyze hardware implementation requirementsOS and software integrationProviding complex engineering solutionsVirtualization and remote configuration managementAdvanced Linux System Administration

Petah Tiqua, Israel

Linux system problem determinationOS configuration and tuningProviding low level Linux solutions for the engineering teamsHardware configuration and device drivers tuningsLow level system services implementations

Accepting local and overseas proposals, for both short and long term vacancies.Responsible for hardening Navajo Systems VPS Linux servers, which went under 3rd party penetration tests and proved to be highly secured and reliable. Navajo Systems was responsible for developing a SAAS solution. It was acquired by SalesForce on 2011.

Israel

Consulting, training & supportLinux OS, Unix OSSystem AdministrationSoftware developmentKernel developmentLinux Professional Institute Certified Level 1 (LPIC-1)Linux Professional Institute Certified Level 2 (LPIC-2)Novell Certified Linux Administrator of SUSE Linux Enterprise 11 (NCLA)

Accepting local and overseas proposals, for both short and long term vacancies.

The developer and maintainer of the M^3 (Monitoring Managed Machines) systemUnix/Linux consultantLinux system administration instructorLPI instructorLinux Internals instructorLinux/Unix Programming instructorPerl language instructorTCL/Tk scripting language instructorUnix development instructorAIX system administrationAIX software developmentIBM Israel's AIX and Linux instructorSun Solaris 10 system administration Sun Solaris 10 software development

Freelance consulting in Linux/Unix OSesSystem AdministrationMixed environmentsHigh-End servicesPerformance issuesApplication porting problemsCompilation and optimization tune-upsUser and Kernel space development

services, software and system administration solutions in Unix/Linux OSes for several Israeli companies 2000 ­ 2010; providing tutorials in Unix/Linux software administration and software development, including: writing Linux kernel device drivers, Unix/Linux programming, Perl, Tcl/Tk and shell programming, Linux and Unix (AIX, Solaris) system administration and lecturing a full 8 months course track, preparing skilled personnel for LPI world-wide Linux certifications

AIX Basics instructorAIX Installation and configuration instructorAIX Maintenance and troubleshooting instructor

Designing a new production environment for the main plotting system of the company (a web-based Unix-Microsoft production environment)Developing the entire Unix production environmentTesting and migrating the existing plotting system to the new oneTuning Microsoft clients to communicate with the new system

Maintaining and support for Unix-Microsoft production environmentMaintenance of the central plotting system

Wireless product R&D tester

C, C++ instructorLinux instructorCGI instructorWeb development instructor

Yokne'Am, Israel

Software and hardware tests

Doctor Of Philosophy - Phd, Cyber Security

Master'S Degree, Networking And Systems Administration, Distinction (Gpa 6.3)

Graduated with distinction ("Cum Laude"). The subjects taken include: Networking, Containers and Virtualisation, Cloud Privacy.

Graduate Certificate, Networking And Systems Administration, Distinction (Gpa 6.0)

Internetworking with TCP/IP Cyber Security Server Administration

Bsc., Computer Science

Software Engineering

Electrician, Electronics

Level 1 Electronics technician