Top Upwork Freelancers

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  1. Slobodan S.

    Slobodan S.

    IT Project manager and Acces/VBA developer

    Macedonia - Tests: 3 - Portfolio: 7

    I can help your business get better. As a result of my diverse educational background and working experience I`m able to manage and participate in multidisciplinary projects. My working experience starting as PC repair technician; IT help desk support; network administrator and general manager has given me opportunity to learn a lot about IT. My 10+ working experience in international organization has teach me to work and cooperate easy and efficiently with people of different nationalities, religions, and cultural backgrounds. More than 10 of my individual MS access and VBA projects are actively being used in 15+ companies increasing their efficiency in their day to day activities. My present work give me a chance to be actively involved in social marketing as well as a part of QA and game development testing team. Specialties: VBA / MS Access programing ; Financial management; IT management ; Accounting ; Social media Marketing and Researches; QA ; Software/Game development and testing; network administration;

    $5.00 /hr
    0 hours
    0.00
  2. Yavor Yanakiev

    Yavor Yanakiev

    System Network Engineer

    Bulgaria - Tests: 2 - Portfolio: 1

    An IT Professional with CCIE(Lab Attempted),CCNA,CCDA, CCNP,JNCIA, JNCIS-Security and more than 10 years of experience in Network designing, planning, and implementation. Possess extensive experience with hands on products like Routers, Switches, Firewalls(UTM Devices), Servers, Link Balancers, PABXs(Telephony Systems). I was involved in a complete setup of Data Center in my career - design, implementation and support. SYSADMIN: Debian Linux / Ubuntu Linux / Red Hat ES Linux / CentOS Linux / FreeBSD Unix /pfSense Unix / Cisco Routers & Switches FTP SERVICES: proftpd, vsftpd, pure-ftpd, sftpd, tftpd FILE SHARING SERVICES: Samba, NFS PRINTING SERVICES: Cups CACHE SERVICES: Varnish, Memcache, MemcacheDB, eAccelerator WEB SERVICES: Apache v1/2, Nginx, PHP v4/5, Suhosin MAIL SERVICES: Postfix, dovecot, courier, RBL, postgrey, spamassassin, amavis, razor, pyzor, clamav, dcc DB SERVICES: mysql v4/5, phpmyadmin, mysqlcluster, postgresql v7/8, phppgadmin DNS SERVICES: bind9, tinyDNS, powerDNS PROXY SERVICES: Squid, SquidGuard, DansGuardian, URLFilter, haproxy, pond FIREWALL SERVICES: iptables, ipfwadm, netfilter VERSIONING SERVICES: SVN, CVS, GIT IDS SERVICES: Snort, PortSentry, Fail2ban, Bastille, Chkrootkit, Rkhunter, Tiger, Tripwire, Aide MONIT SERVICES: Nagios, Cacti, Zabbix, Mon, Monit, Zenoss, Ntop, Munin KERNEL SERVICES: kernel v2.4/2.6, grsecurity, openwall, other patches STATISTIC SERVICES: Awstats, MRTG, Vnstat, Htop, Bwm-ng NETWORK PROTOCOLS: TCP/IPv4 IPv6, IPX, ROUTING: Static Routing, Rip v1/2, (E)IGRP, OSPF(V3) SWITCHING: VLAN, VTP, STP, Inter VLAN Routing WAN: PPP, FR, Network Security, ACLs, IP Addressing, NAT NETWORK MANAGEMENT -Planning, designing, configuring and managing LAN/WAN ensuring maximum network uptime. - Carrying out installation & configuration of network, troubleshooting network problems. - Monitoring and analysing the network including Netflow products(Manage Engine Netflow), Solar Wind Orion, Wire Shark, Sniffer Pro, MRTG ,Cacti, Ethereal, Deep9s Edge Security Profiler, Nmap, Kiwi Syslog Server Possess sound knowledge of: - Cisco IOS up to and including version 12.4 – Advanced Enterprise Services. - Catalyst Switches IOS up to and including version 12.4 - Advanced IP Services. - Catalyst Switches including 1900, 2950, 2960, 3550, 3560, 3750, 4506 and 6509. - Cisco Routers – ISR800,1700, 3600, ISR 2801,ISR2821, 7609, ASR1002 - Routing protocols RIP, OSPF, IGRP, EIGRP, IS-IS, BGP, static & default routing. - IP Multicast technology – PIM implementation, IGMP -VLSM, PPP, IP Addressing, Redistribution, Network Address Translation, TCP/IP, DNS, DHCP, Network Aggregation - Switching technologies like VLAN, Inter-VLAN Routing, Ether Channel, VTP, MLS, HSRP, VRRP, UDLD, STP 802.1d and 802.1w - Remote Access Solution like ISDN, Frame- Relay, PPP and HDLC. - Network designing and trouble-shooting. Network Cabling and Infrastructure. - Elfiq link balancer basic experience http://www.elfiq.com/ - Basic experience with MPLS VPN configuration and implementation with PE-CE routing protocol configuration Network Security - Implementing & configuring VPN ( Open VPN, Site to Site VPN,PPTP, Mobile IPsec VPN) - Cisco Firewall - PIX 506e, ASA 5505, 5510,5520 – experience in maintenance and configuration - Cisco IPS/IDS Firewall - ASA 5505 with AIP SSC-5 - Linux IPS/IDS Firewall - Deep9s - basic experience in maintenance and configuration - Linux Firewall - Pfsense - FreeBSD based firewall in VMware environment - Handling security of Cisco IOS - Zone-based Firewall - Managing Access Control (ACL), Traffic Filtering - Implementing and monitoring information security policies. - Handling network and information security audits. VOICE SERVICES - Cisco ISR 2821 with CUE – configuration of Auto attendant system, Dialling plans, Voice Mail, Fax services, E1, Pots, configuration of IP telephony, Accounting and Billing, Conference Service; - Cisco Unified Communications 520,540 – Dialling plans, Fax services, E1, Pots, IP telephony, Voice Mail; - Intercom – Helios IP; Operating System Knowledge - System administrator experience with various operating systems - Windows 3.11/95/98/2000/2003/XP,Vista,Win7, DOS, FreeBSD(basic), Debian(basic), Windows server editions(Windows 2003,Windows 2008 R2,Windows SBS2011;) Special Services - SMS gateway Ozeki NG http://www.ozekisms.com/ - Nextiva and Loronix video server and client software; Verint Networking appliances – encoders and decoders http://verint.com/ - Axis video software and encoders http://www.axis.com/ Virtualization - VMware ESXi 4.1, ESXi5 - Microsoft virtualization – Hyper V server - Blade Centre H, HS22

    $15.11 /hr
    0 hours
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  3. Anton Piskunov

    Anton Piskunov

    Team Lead, Web Developer

    Russia - Tests: 1

    Hello, my name is Anton I have more than 6 years experience in web development and project management. I've developed more than 300 websites and other web-related projects. I have a lot of experience in following areas: - Programming Languages: HTML, CSS, JavaScript, PHP, Golang, Java - Backend Frameworks: Symfony, Laravel, Yii, Kohana, CodeIgniter - Frontend Frameworks: jquery, backbone, angular, ember, lodash, underscore, twitter flight - Pre-processors: LESS, SASS (SCSS), Jade - Databases and Storages: mysql, postgresql, mariadb, percona, redis, mongodb, riak, tarantool, zookeeper, memcache (-d), elasticsearch, logstash - Mobile Development: iOS, Android, Windows Phone - System Administration: Debian and debian-based OS, LAMP/LEMP stack's - VCS: Git, SVN - Team Leading

    $16.67 /hr
    0 hours
    0.00
  4. Carlos Cerrato Estrada

    Carlos Cerrato Estrada

    Web Developer

    Costa Rica - Tests: 1

    Web Development: Web Front End Development with jQuery, Angular, React.js and Bootstrap. Backend with Node.js on linux and .Net on Windows Server SharePoint Expert: Expert SharePoint solutions developer with workflows, web parts, user controls, custom master pages, page layouts, custom web services, SharePoint 2013 applications and more. .Net C#, MVC Applications, WCF Services, Web API, PowerShell Scripts, Linq, Entity Framework Business Intelligence: SQL Server Integration Services Packages, Reporting Services Reports, PowerPivot, PerformancePoint and Excel Dashboards. Project Lead: Software development for Ministry of Finance of Honduras. Business Intelligence platform implementation for Ficohsa Bank Honduras

    $20.00 /hr
    4 hours
    0.00
  5. Aleksey Osipov

    Aleksey Osipov

    Software development

    Ukraine - Portfolio: 29

    AOA is certified specialist as Radio Engineer, had worked as specialist of maintaining of Satellite system of communication. But 12 years ago he had changed his profile and now he works as programmer and administrator of Database. AOA has over 10 years’ experience in development of ERP systems. AOA has demonstrated the ability to master new languages/tools in just a short period of time. AOA’s key service areas are ERP, Delphi/Object Pascal, SQL, PHP, Java, Qt/C++, integration, and data conversion, in the roles of initiator, designer, developer, active project manager, mentor and final resolution. Within last 10 years is engaged in support of the accounting program "Accent". Working out of additional modules, the reporting and integration with various programs

    $16.67 /hr
    0 hours
    0.00
  6. Jackson Vidal

    Jackson Vidal

    Software Development Analyst

    Brazil - Tests: 1

    Over 8 years in software development, I've already worked in every kind of projects, big and small ones. Recently I worked in a startup company of payment gateway for e-commerce as R&D (Research and Development). Technical Specializations: .NET Framework; MVC; WebForms; WCF; WebAPI; JavaScript; jQuery; AngularJS; Data-interchange formats JSON; XML; Databases: SQL Server 2008 and 2012; MySQL;

    $45.00 /hr
    0 hours
    0.00
  7. Semyon Galichenko

    Semyon Galichenko

    Linux/BSD system administrator with Python experience

    Russia - Tests: 3 - Portfolio: 3

    I have been using different *nix operating systems for about 6 years. Currently I'm working in university as a system administrator. I have experience in installing, configuring and maintaining linux and freebsd servers. Major expert areas: OS: Linux, FreeBSD, Windows Server 2008/2012 (R2) Virtualization: VMware ESXi, XenServer, OpenVZ, FreeBSD jails, KVM NAS: NetApp, Synology Databases: MySQL, PostgreSQL Networking: Cisco ASA, Cisco routers, VPN Programming: bash/python scripting, django, php, html, css Other software: sendmail, smtpd, dovecot, openldap, clamav, milters, bind, squid, apache, tomcat, softethervpn ... I would be happy to help. Thank you! :)

    $11.11 /hr
    0 hours
    0.00
  8. Yogesh Sharma

    Yogesh Sharma

    Active Directory and Exchange consultant

    India - Tests: 3 - Portfolio: 1

    A Highly motivated and result-oriented individual with over 8 years of experience in a professional environment having a great work culture and meticulous attention to detail with emphasis to customer satisfaction. Ability to achieve set targets and goals in a timely manner. Microsoft Certified System Engineer in Windows Server 2003 with Exchange and Technology Specialist in Windows Server 2008. Extensive hands-on experience in configuring, monitoring, upgrading, migrating and maintaining systems running Microsoft Exchange Server suite (2003 to 2013). Extensive hands-on experience in configuring, monitoring, upgrading, migrating and maintaining systems running Microsoft Active Directory Services(2003, 2008). Extensive hands-on experience in configuring, monitoring, and maintaining systems running Microsoft Cluster Services. Extensive hands-on experience in configuring, monitoring, upgrading, migrating and maintaining systems running Microsoft SharePoint Services(MOSS 2007). Troubleshooting Windows Server related issues(AD, DFS, IIS, DHCP, DNS, and WSUS) Projects, Installations, Configurations and Migrations etc. Configuring and troubleshooting on Mailbox, CAS, and Hub and Edge server roles installations. Configuring High availability solutions like Local Continuous Replication/Cluster Continuous Replication/Standby Continuous Replication technologies. Troubleshooting on Mailbox Migration, Public Folder replication, Database Inconsistency, Exchange services, Offline Address Book, Recovery Storage Groups. Implementing Disaster Recovery in exchange servers for recovering exchange information. Configuration and Troubleshooting External Mail flow (Inbound/Outbound), Mail flow between servers, Spam issues, Edge Synchronization. Configuring Anti spam/Transport agents, Application Relay, SMTP/Transport service problems. Analyzing and evaluating issues using various tools and utilities like EXBPA, EXTRA, ExMon, PFDAVAdmin, Exmerge, DCDIAG, NetDiag, NLtest, telnet, Replmon, AD modify, ADMT, MFCMAPI, etc. Installation, Configuration & Monitoring of Trend Micro Internet Messaging Security Suits & Symantec Endpoint Security. Basic Hygiene & Server hardening of all Windows OS, Linux OS & Subsystems likes IIS, ADS, and SQL Server etc. Security Health Check of all Windows & Linux OS. Ensure documentation of all activities & procedures adhering to organization standards

    $12.00 /hr
    2 hours
    0.00
  9. Mike Council

    Mike Council

    Audio Pro with ProTools and Adobe Audition experience.

    United States - Tests: 1

    Over 17 years in audio-- music production and audiobooks, mixing and mastering, editing and capturing. I produce excellent results on time. -- 17+ years music recording/production -- 5+ years audiobook recording/editing/proofing -- 6+ years teaching college-level audio production courses -- ProTools, Adobe Audition -- Voice over, Foley, field recording, custom sound effects.

    $55.56 /hr
    0 hours
    0.00
  10. David Stephenson

    David Stephenson

    Experienced Russian-English translator

    United Kingdom - Tests: 1

    I am a native English speaker with an MA in Russian from the University of Oxford. I have spent time living in and travelling to Russia and therefore have an excellent grasp of the language and culture. I offer a reliable, accurate and punctual service. Combined with my educational background, this makes me the perfect candidate for your translation needs. Please do not hesitate to contact me for any requirements.

    $12.00 /hr
    0 hours
    0.00