IT & Networking Administrators

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Gilberto Villani

Gilberto Villani

Senior Linux and FreeBSD System Administrator

Brazil - Tests: 2 - Portfolio: 7

I am IT Project Manager working since 2008 for big companies (IBM, Endesa, Michelin and Globo) and I am ITIL Certificate. I am LPI Certificate and I have working since 2001 like Managing Network (Linux, FreeBSD, Unix, CISCO, Enterasys, Huawei and Checkpoint). Developer in HTML5, PHP, CSS3, C/C++, Objective-C, Java, bash script and SQL.

$10.00 /hr
1 hours

Milic Dubak

Milic Dubak

Expert PLSQL developer and Oracle database administrator

Montenegro

I have several years of experience in software development and database administration. Working experience in banking and telecommunication companies. Many projects accomplished like: database migrations and upgrades, Oracle RAC installations, Oracle database replication, Oracle BI and DWH configuration and several application software development projects.

$40.00 /hr
1 hours

Ravinder Singh

Ravinder Singh Agency Contractor

.Net MVC | C# | EF | Telerik | Umbraco | WCF | WPF | HTML/CSS | Parse

India - Tests: 6 - Portfolio: 4

I have extensive 7+ Years Experience especially with web development and designing using Microsoft technologies especially with Asp.Net MVC. My Area of Expertise includes: Programming skills: C#, VB, ASP.Net 1.1/2.0/3.5/4.0/4.5, MVC3/4/5 (Razor) ORM Tools: SubSonic / LINQ / Entity Framework / nHibernate and EntitySpaces Web Skills: JavaScript, AJAX, other JS libraries (prototype.js, angular.js, jquery, etc), HTML5, CSS3 and TwitterBootstrap Cloud Based Services: Amazon Cloud services / Windows Azure / Parse Reporting: SSRS / Crystal Reports /.net RDLC Reports and MySQL Source Controls: SVN/ TFS/ VSS/ GIT/ Source Gear Vault I really focus on paying high attention to detail and quality work which would be result in long term and mutually beneficial professional relationship.

$12.00 /hr
488 hours

Jagraj Singh

Jagraj Singh Agency Contractor

IT Support and Networking

India - Tests: 1

I am experienced IT Engineer and my skills are: - Linux - CentOS, RedHat, Debian, Ubuntu, Gentoo (administration, Configuration, audit, optimization) - Webhosting Administration (cPanel, Plesk, DirectAdmin) - Apache (installation, configuration, optimization) - MySQL (installation, configuration, optimization) - Subversion systems - SVN, Perforce (instalaltion, configuration) - Atlassian JAVA applications - Jira, Confluence, etc. (installing and configuring) - Network administration - Remote Desktop Support - Patch Upgradations - Microsoft Services (AD, DHCP, ISA etc) My communication skills are excellent and I am available 40 hours per week.

$13.00 /hr
10 hours

Julio Gutierrez

Julio Gutierrez

Computer Engineer Specialized in IT / Networking

Venezuela - Tests: 6

I'm a Systems Engineer with 19 years of experience. My job experience ranges from IT support, (On Site, Mail and Phone troubleshooting), Designing solutions for data analysis and proccesing to Network Systems Commissioning. I worked for several years with Netuno (the fourth largest telecommunication company in Venezuela). I started giving IT phone support and worked my way up to become IP/WAN Engineer in charge of Corporate Customers Network Commissioning. I focus on giving customers fast and accurate solutions. I can work short term and long term projects and I'm flexible with my working hours. I work well under pressure, have great interpersonal skills and i'm highly responsible and reliable.

$22.22 /hr
0 hours

Mark Julius P.

Mark Julius P.

IT/Networking

Philippines - Tests: 5

I have a broad knowledge w/ regards to IT and networking both on hardware and configuration skills. Can also handle network troubleshooting and isolation. Familiar with IP addressing, WAN & LAN. And also an internet savvy personality. I have advance skills in remote IT support, desktop services and tuneups, I can provide remote assistance for Mail exchange servers, Windows servers, SBS in all versions.

$6.67 /hr
9,357 hours

Mohamed Gharieb

Mohamed Gharieb

IT & Networking

Egypt

i have a BA of Communication Engineering & i have a CCNA Cisco certificate . Problem Solving,Able to work hard under any conditions

$8.00 /hr
0 hours

Wasim Raja

Wasim Raja

IT Networking

India

I am working in IT Field for more than 6 years and currently as an IT Executive. I have worked as a Service Engineer cum Salesperson. I can give Hardware & Software support as well. I have also got experienced in Networking field.

$10.00 /hr
0 hours

Alfonso Valdes

Alfonso Valdes

Linux / Amazon AWS / WHM WordPress / Nginx / Security / Docker DevOps

Mexico - Tests: 4 - Portfolio: 6

A self-motivated System and Network security administrator with more than 10 years in the management and analysis of Linux/Unix enterprise Servers (60- 70 servers). With deep and advance knowledge of highly scalable servers, Cloud Computing, High Performance, Hardening Servers, Migrations, Ethical hacking, Development Operations - DevOps, Open Source services and Server optimization. Lately Building WordPress hosting environments highly available and scalable in AWS/DigitalOcean/Google Compute/Azure. Certifications such as: Certified Ethical Hacker - Red Hat Certified Engineer - Cisco CCNA. Expertise in: MIGRATIONS: Wordpress/Magento/LAMP/Cpanel migrations. Helped dozens of clients migrate their web sites and applications into the AWS, Digital Ocean, Google Cloud Compute. Design and 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. WORDPRESS HIGH PERFORMANCE AND TRAFFIC SITES IMPLEMENTATIONS: Improve Wordpress performance, design a cloud hosting with complex services using Wordpress, Wordpress multisite, wordpress + woocommerce, wordpress with NGINX/varnish , integration with CDN, Memcached/Redis, Amazon S3, etc etc. Build an entire HOSTING environment from design, implementation and maintenance. MALWARE removal and analysis: WordPress / Magento / Joomla Malware removal and remediation, Incident handling and Forensics analysis. BOOST and optimize websites with: NGINX, Varnish, REDIS, Amazon S3, Memcached, APC, apache tunning and mysql tunning, Amazon CloudFront and more. Amazon Cloud Computing ( AWS ) - AMAZON EC2, Amazon CDN S3, Amazon RDS, Amazon ELB, Amazon AutoScaling, Amazon VPC, CloudFront, Route53, etc. Also Management of multiple Control panels like Rackspace Cloud Computing, SoftLayer, GoDaddy, HostGator, dreamhost and MediaTemple. DevOps and Continuous integration: Docker + vagrant, Vagrant + Puppet, Puppet + Git, Docker + Ansible. Continuous integration with Jenkins, travisCI, distelli and more... Designing and deploying scalable & Highly available systems such as: Amazon Load Balancing (ELB), Hearbeat, HAProxy, Mysql cluster, Nginx Load Balancer, Apache cluster... Network and web security such as: Vulnerability Assessments, Hardening servers, security audits, Penetration testing, Virus/Malware/Threats/Vulnerabilities countermeasures, web security, fail2ban, Tripwire-AIDE-OSSEC, 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, load balancing and Mysql replication (Master & Slave) for High traffic. Database: Mysql tweaking and tunning, MongoDB, ElasticSearch, Apache Solr, Sphinx, lucene, MariaDB, Postgresql replication & Pgpool, Mysql load balancing and Mysql replication (Master & Slave) for High traffic. Networking: TCP/IP high expertise, NAT, FIREWALLS, CISCO routing and switching and Packet analysis with tcpdump and wireshark. Storage solutions and Directory management: SAMBA, NFS, FTP and sftp. LVM and RAID*. SCRIPTING: Bash and python. Proficient with MAIL Servers: postfix, sendmail and Zimbra. Source control versioning: GIT and SVN. Deploying and maintaining Monitoring systems such as: nagios, ZAbbix, cacti and Jboss Operation Network (JON). Research & development (R & D) for any open source service and technology.

$24.80 /hr
11,701 hours