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Ashok Gautam

Ashok Gautam

IT Expert: Linux Servers, Security, Virtualization, VoIP

Nepal - Tests: 5

Available 24x7, off hours, weekends. Target Clients: Startup, Part-time Remote Monitoring, Support. I am looking for job on Linux Servers, Security, Virtualization, VoIP, Monitoring/Alert System. Technical Skills: Web Server: httpd, ngxin, lighttpd, iis, amazon web services Mail Server: ms exchange, sendmail, qmail, postfix, smtp, pop3, imap, mx, mta Networking: tcp/ip, route, iproute, ifconfig, routing, failover, vpn Monitoring: nagios, nrpe, nagiosgraph, mrtg, snmp, tcpdump, cloudwatch, new relic File Sharing: samba, ftp, nfs, scp, network drive Disk Management: ext2, ext3, ntfs, lvm, raid Backup: rsync, dump, mysqldump, tar, zip, disk image, full backup, incremental backup Log Management: syslog, rsyslog, splunk, central log management Firewall: iptables, ipchain, windows firewall, fortigate Security: sudo, tcp wrapper, denyhost, ssh, ssl, https, forensic, network security Programming: bash script, shell scripting, perl, cgi, html, php Database: mysql, mysql replication, postgresql, oracle, oracle rac, mssql VoIP: asterisk, freepbx, trixbox, sip, aix, sip trunking, ivr, dial plans, database connection Domain: name server, ttl value, reverse dns, a record, mx record, txt record, dkim keys Operating System: redhat, centos, osx, freebsd, openbsd, windows server Virtualization: vmware workstation/fusion, vmware esxi, vmotion, hyper-v Anonymous Services: Complete Hidden source mail and web servers, domain privacy Automation: chef, puppet, cfengine, cpanel/whm, isp config IT Management: pmp, itil IT Standards: pcidss, hipaa, fisma, sox Risk Management: disaster recovery, business continuity, redundant data center Certifications: • Certified Ethical Hacker (CEH), August 2008 • Certificate in Computer Forensics Foundations, December 2007 • Red Hat Certified Engineer (RHCE) in RHEL4, September 2006 • Certificate in Network Security Foundations, August 2006 Training / Workshops: • Management Information System (MIS) Central Bank of Nepal, Kathmandu, September 2011 • Network Disaster Recovery USTTI, Washington DC, USA, November 2010 • Disaster Communication Management USTTI, Washington DC, USA, November 2010 • Network Security Workshop in SANOG14 South Asian Network Operators Group, Chennai, India, July 2009 • VOIP Design and Development Workshop in SANOG12 South Asian Network Operators Group, Kathmandu, Nepal, August 2008

$50.00 /hr
0 hours

Jalpa M.

Jalpa M.

Quality Assurance

India - Tests: 4 - Portfolio: 5

Greetings!!! I am a full-time freelancer. I have 9+ years of experience in Software testing. Type of Testing I can performed: - Manual testing - Automation testing - Functional testing - GUI Testing - Load Testing - Performance Testing - Regression Testing - API Testing - End-To-End Testing - A/B Testing - System Testing - Penetration Testing - OWASP Testing - Security Testing Testing documentation: - Test Plan - Test Scenario - Test Cases - Traceability Matrix - Incident Report - Bug Report Automation Tool: - Selenium Wedriver - JMeter - MS Test Manager - Telerik Test Studio Bugs Tracking Tool: - Bugzilla - Mantis - MS TFS 2008/2010 - Red mine - JIRA - FogBugz - Lighthouse Apps - Microsoft Excel Knowledge and experienced with Operating Systems: Windows: All versions Linux: Ubuntu, Kali Linux, Fedora, SuseLinux, Redhat, and others UNIX: FreeBSD, OpenBSD, PCBSD Understanding of SDLC, and STLC QA Audits: Design Audit, Code Review Audit, Project Plan Audit, Design Audit, Training Audit, Verification and Validation Audits. DB - SQL, My SQL, Oracle, MS Access. Regards Jalpa My Test Strategy 1) First of all i will go through the application 2) I will prepare the Test Plan (which will includes that how testing will perform, what will be the browsers, OS, Type of testing will perform, Test case preparation, Execution etc.) 3) Based on the functionality i will prepare the Test Cases 4) Once code ready then i will perform the Smoke Testing to make sure that application is stable for further testing 5) Once Test passes then i will execute the Test Cases & will record the result Pass/Fail. 6) I will test on various browsers & Operating System 7) I will prepare the bug report with the screen shot, if we are using any bug tracking tool then i will post all the issues in to it 8) I will communicate the bug with you, so that development team can fix it 9) Once development team fix then after i will do regression & re-testing of those bugs

$5.56 /hr
0 hours

Mario F.

Mario F.

Senior Linux System Engineer

Sri Lanka - Tests: 6

A Professional Entrepreneurial Expert in LINUX (Including UNIX ) Operating Systems BSc in Computer Science (University of Kelaniya , Sri Lanka) MSc in Security Engineering (University of Moratuwa , Sri Lanka) Redhat Certified Engineer , Redhat Certifiied Administrator , Redhat Certified Virtualization Administrator (Certification ID : 120-059-191) Linkedin Profile : https://lk.linkedin.com/pub/roshane-ishara-fernando-linux-specialist/38/7a/2a6 Specialties: 5 years Experience in Linux and Unix Linux Clustering - DRBD Clusters, NFS HA Clusters , GlusterFS and HeartBeat High Availability Database Clusters - MySQL and PostGreSQL Master/Slave/NDB/Galera Clustering Linux VPN Servers (PPTP, OpenSwan, OpenVPN,racoon) Linux Virtualization - Xen / KVM / VMWare / Oracle /Openstack based Virtualization Linux/UniX Firewalls (IPTables, IPChains ,shorewall and PFSense) Linux Proxy Servers (NGinx , Varnish, Squid Proxy) Security Searching and Indexing Clusters - Elasticsearch and Apache Solr Clusters Alfresco Clustering OpenLDAP Server for Centralized Management Amazon Server Administration - EC2/S3/AMI/RDS/VPC/Route53 Linux Bind DNS Server configuration FreeBSD / NetBSD CISCO Postfix and Sendmail Email Servers Bash/perl Scripting Advanced Routing manipulation Techniques Apache/Tomcat Application Webservers Logmonitoring - Rsyslog and Logstash Server Linux Fileservers (SAMBA) Puppet Configuration Management Server Disaster Recovery/Backup solutions for Linux Servers Linux DHCP Servers Exposure to a variety of Blade Servers

$15.00 /hr
0 hours

Vimuth Dayaratne

Vimuth Dayaratne

An Experienced Linux Systems Engineer

Sri Lanka - Tests: 1

Im a Senior Linux admin with more than 6 years of experience on Linux Server administration, data center operations, network/ server security and Linux based open source software implementations. Being a Redhat certified Engineer and having worked for world's leading mufti national companies for more than 6 years, I possess extensive knowledge and expertise on administration/implementation of various *nix based server operating systems and solutions. Below is a brief overview of technologies/Solutions that Im most experienced and well competent with. -Operating Systems: RedHat, Suse Enterprise, CentOS, FreeBSD, Ubuntu, Fedora -Networking: TCP, UDP, IP, Multicast, Routing & Switching, VTun, MPD5 vpn, OpenVpn, SSH tunnels -NMS: Zenoss, Nagios -Security: PFSense Firewall, SeLinux, IPTables, Posix ACLs, TCP wrappers, Squid proxy, Chroot Jails -Languages(Scripting): Perl, Bash -Databases: MySQL, Oracle 11g -Storage: ISCSI ,NFS, LVM, samba, Samba winbind -Cloud: Eucalyptus, Amazon Web services (S3 and EC2) -Web servers: Apache, NginX, LAMP -High Availability/Clustering: LVS(Linux virtual server), HAProxy -Version/Event Management: SVN, OTRS -Authentication: Ldap, Kerberos, SSL/TLS -Mail: Postfix, Zimbra, iReadMail -Diagnostic tools: Wireshark, Tcpdump, Netcat, Nmap My portfolio described above only lists few of many skills I possess. Please request my resume for more details. I look forward to work with clients who are in need of a dynamic, energetic and fast solutions provider in the realm of Linux systems Engineering.

$20.00 /hr
0 hours

Vikram D.

Vikram D.

Linux System Administrator

India - Tests: 2

Overview I am an accomplished Systems Administrator with more then 2 years professional experience building infrastructure and platforms for web hosts, the enterprise data center and the cloud. My primary specialties are Linux systems, open source software, and cloud platforms. Expertise in: Linux - RHEL, CentOS, Ubuntu, and FreeBSD Bash scripting & python. Virtualization:-ESXi, KVM, LXC/Docker/OpenVZ MIGRATIONS:Wordpress/Magento/LAMP/Cpanel migration plans and implementation, backup-restore and recovery plans. Build Web Servers with HIGH PERFORMANCE (LAMP, NGINX/python, Nginx/Varnish, Nginx/php-fpm, Jboss, Apache tomcat and Varnish) - Improve and Fix performance issues, service optimization, security issues and deployments. BOOST and optimize websites with: NGINX, Varnish, REDIS, Memcached, APC, apache tunning and mysql tunning, Amazon CloudFront and more. Network and web security such as: Vulnerability Assessments, Hardening servers, security audits, Penetration testing, Virus/Malware/Threats/Vulnerabilities countermeasures, web security, mod_security, mod_evasive, Denial of Services (DDOS) countermeasures, Firewalls (iptables, CSF and apf), etc. VPS: Cpanel / WHM / Plesk / DirectAdmin / Webadmin - Migrations, management, hardening, configuration, maintenance and high level of Administration. Databases Administration such as: Mysql tweaking and tunning, MongoDB, Mysql replication (Master & Slave) for High traffic, Postgresql replication & Pgpool . Mail Server (postfix/sendmail/qmail/exim, Dovecot/Courier) Monitoring Tools: - Capturing, analyzing and storing statistics with Logstash, syslog-ng, Nagios, Cacti, Pendora FMS, OpsView Research & development (R & D) for any open source service and technology.

$15.00 /hr
0 hours

Glenn F.

Glenn F.

Information Technology Consultant

India - Tests: 2

Accomplished Executive and Technology / Business Solutions Architect with more than 18 years chronicle of success with start-ups in establishing and optimizing Information Technology Performance turnaround and established environments for startup companies and small businesses. Extensive, diverse IT background combined with deep understanding of the intersection between technology, business, and operational needs. Progressive, Strategic Thinker and Astute Technology Analyst, synthesizing organizational needs with viable IT solutions to address a wide range of business problems. Has global IT delivery experience leading highly-visible technical projects and transitioning Operations for IT and Non-IT companies. Combines expertise in IT Operations, Web & Enterprise application development with years of experience in building & improving large, complex enterprise server & network operations organizations. Core Competencies: • Infrastructure Development • Relationship Management • Project Lifecycle Management • Team Building & Leadership • New Technology Integration • Strategic & Operational Planning • Technology Evaluation/Selection • Testing/Troubleshooting • Problem Resolution • Resource Management • Executive Leadership Throughout these successful years of experience in Information Technology, I have developed a wide range of skills in Information Technology Operations as cited below: * Virtualization: Citrix Xen Server & VMware Esxi Hypervisor * Operating Systems / Environment: Sun Solaris (5.5.1, 5.7, 5.8, 9, 10), HP UX (10.20, 11.0, 11.11), IBM AIX (11.11), SCO UNIX, Apple Mac OS, Redhat LINUX (5.2, 6.0, 6.1, 6.2, 7.0, 7.1, 7.2, 9), Redhat Enterprise Linux, Ubuntu, CentOS, FreeBSD, Windows Server 2008, 2003, 2000, NT Server 4.0 and 3.51, Windows 7, NT Workstation 4.0, Windows 95/98 & Millennium, Windows for Workgroups, Novell NetWare 3.11/3.12/4.00 & MS-DOS * Mail Servers: Sendmail, MS-Exchange 2000 & 2003 * Hardware & Networking: Servers, Desktops and Laptops like Mac Mini - Apple, Dell, HP, IBM, HCL, Lenovo etc. as per Infrastructure and production requirement. * Proxy Server: Squid, Winproxy * File Server: Samba, NFS, DFS, SMB * Security: Security policy design and Implementation, ACL, SSH * Web & FTP Server: Apache, VSFTPD, Pure-FTPD, Windows IIS & FTP * Monitoring Tools: Nagios, WhatsupGold, OpenNMS, HP OpenView, SiteScope * Other Services: DNS, DHCP, WINS, Active Directory, Configuring different levels of RAID, Software Deployment * Mail Client: MS Outlook, Outlook Express, Thunderbird, Netscape Navigator, Eudora Miscellaneous Tasks • Installed and configured most commercial software packages / tools like MS Office 2010/2007/2003/2000/97, Visual Studio Products, WordStar v4.0 through 7.0, Lotus/VP Planner as well as several other proprietary software. • Developed application software for different organizations using Cobol, dBase III+ and IV, Multi-user FoxBASE +, FoxPro 2.5, Visual FoxPro and Clipper 5.0/5.01. • Assertive trouble-shooter of hard-to-solve hardware, Networking and OS problems. • Installed Cisco, 3Com, Accton, D-Link and other branded Hubs/Switches, Wireless Routers and Access Points, Cabling, Crimping etc. & very familiar with all Networking hardware. • Installed and Configured Routers (Sangoma (S508), Cisco (2500, 2600), Netgear & D-Link Wireless Routers), PIX Firewall (Cisco PIX Firewall 515) and Ethernet Switches (Cisco, Dlink, Allied Telesyn). My core competency lies in complete end-to-end setup and management of the IT Infrastructure. I also work on Open Source technologies / platforms and have vast experience in this domain and I am seeking opportunities to work for you or your business from the ground up. I also have a team of professionals with experience in the following areas: HTML, DHTML, PHP, MySQL, SQL, Ajax, OOP and Software Design and Testing.

$11.11 /hr
0 hours

Kapil Jain

Kapil Jain

System Administrator + SEO Expert + Web Automation + C# Developer

India

I've over 11 years of experience as server administrator, I've experience with managing and securing servers on following platform: 1) CentOS Linux 2) cPanel 3) OpenVZ 4) Virtuozzo on Windows Platform for Windows VPS 5) Hyper-V On Windows 2008 for Windows and FreeBSD VPS 6) FreeBSD 7) PPTP VPN as well as OpenVPN on Linux and/or Windows platform I even have over 8 years of experience with SEO and I've almost all SEO tools like senuke, ultimate daemon, etc... I can do all kind of link building for any website and improve it's ranking in google I can even develop small softwares in C# and custom web automation bots in UBOT, i even have the UBOT Developer Edition License so I can always develop a custom bot as per client's requirement and provide the exe and/or the source code as per the deal. I am into this industry for over 11 years and I am open for one time Work as well as a monthly job

$15.00 /hr
0 hours

John Sonu

John Sonu

Senior Network Administrator

Maldives

 Has extensively worked on VMware vSphere Esxi 5.1 with four physical server clusters in single datacenter. The cluster contains 15 VM servers with vSphere HA and DRS and vMotion enabled. Configuration and maintenance done through VMware vCentre server 5.1.0.Hosts contains windows, Linux and FreeBSD appliance servers.  Configured and monitoring Qnap with iSCSI as datastore for VM files and other files necessary for esxi incrementally backed up the VM files in other Qnap. Attached a FreeNAS storage system to keep ISO’s and other software resources to use in the network and Esxi.  Metropolitan-area network connected with OFC backbone from shops and branches to HO and maintain bandwidth of 1Gbps in each core.  Configured and manage Cisco Smart Switches in all the branches, shops and HO with tagged VLAN. Cisco Router is using as an internet gateway for dedicated 10Mbps connection. Maintaining few ADSL connections in HO.  Configured and managing PfSense firewall with squid proxy and squid guard for internet proxy and web filtering.  Configured and managing WLAN with EnGenius wireless indoor and outdoor AP’s and client bridges from one central location with the help of EZ controller software.  Installed and managing centralized CCTV-IP Camera systems with motion detection and recorded to an NVR remotely through OFC backbone.  Installed and managing windows domain network with email, application, firewall, antivirus and file servers.  DNS registration and c-panel managing include ANAME/CNAME/MX record pointing, webhosting and updates via CMS, mail hosting and online e-commerce store creation and maintaining.

$60.00 /hr
0 hours

Afzaal Shabbir

Afzaal Shabbir Agency Contractor

Linux Server Administrator

Pakistan - Tests: 1

I have 14 years experience in Technical Support field, for past two years i am associated with Shared Hosting Companies. I am currently heavily involved in automating all our routine tasks with configuration management with puppet My major expert areas in summary:- #Hosting Panel:- Cpanel\WHM, Plesk, WHMCS #Cloud environment :- Amazon Web Services, Rackspace,Citrix XEN, KVM #Email deliverability: Postfix, Exim #Operating Systems :- Redhat, CentOS, Ubuntu, Dabian, Windows Server 2008 R2\2012, FreeBSD #TCP/IP networking :- Advanced ip routing, forwarding, filtering and firewall with Iptables #servers :- Dovecot, Courier IMAP, Roundcube, BIND, Apache, VSFTPD, DHCPD, #Monitoring and remote admin :- Monitoring serves with Nagios, Remote Admin SSh #Scripting :- Bash scripting, Python #Web and Database :- postgresql, MySQL #CMS: Drupal, Wordpress #High Availability: HAProxy

$7.00 /hr
0 hours

Bilal MK

Bilal MK

Linux/Unix and Cloud Computing Expert

India - Tests: 1

I have more than 4.5 years of experience in Linux, Unix(FreeBSD, OpenBSD) and Cloud computing(AWS etc). Installation and configuration of various opensource tools and technology. Managing all kind Linux distributions ( Ubuntu, Debian, Cent-OS, RedHat)

$22.22 /hr
0 hours