Network & System Administrators

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  1. Panayotis Tsiamis

    Panayotis Tsiamis

    Senior Systems and Software Engineer

    Greece - Last active: 2 days ago - Tests: 7 - Portfolio: 14

    Systems and Services Engineer, with 12+ years of working experience. Interested in researching, administrating, debugging, tuning and developing platforms running on UNIX like Operating Systems. Able to troubleshoot, identify and solve problems in software, network or kernel layer. Always willing to learn and experiment new technologies for creating high availliability platforms, that could described as "state of the art" or "cutting edge" technology. Specialties: • Unix Like Operating Systems Specialist (Solaris / Linux ). • TCP/IP Network technology • Very deep level of knowledge on Machines hardware and OS Kernels internals. • Troubleshoot/Tune/Debug; System Services, Operating Systems • Mail Services Expert, Qmail-Ldap Specialist. • Network: Cacti/MRTG, Nagios, Cisco Netflow • Databases: PostgreSQL / MySQL / Oracle / LDAP. • Programming: Perl, Ansi C, bash, awk, sed, php etc • Internet Services: mail, http, radius, ftp, ssh, irc etc.

    $30.00 /hr
    291 hours
    0.00
  2. Ramunas Cereskevicius

    Ramunas Cereskevicius

    DevOps Engineer / Linux system administrator

    Lithuania - Last active: 1 month ago - Tests: 5

    I have a passion for Linux, automation and infrastructure in general. For the last five years I am managing 60+ servers ranging from small simple webservers to full fledged openstack cloud platform installations. Having experience not only in systems administration, but software development as well puts me in a perfect position to do DevOps for your company. Need something automated? Need to streamline your workflow? Shoot me a message.

    $33.33 /hr
    0 hours
    0.00
  3. Joaquin P.

    Joaquin P.

    IT Systems / Desktop Support

    United States - Last active: 24 days ago - Tests: 2

    Desktop/ Systems Support Specialist with 10+ years of demonstrated success supporting UNIX/Linux, MAC OSX, and Windows environments, primarily within the Post-Production and Broadcast industries at all Levels I, II and III. My technical aptitude expands into networking and systems configurations as well, and is capable of performing additional tasks for clients and projects as needed. Interested in securing a long-term and/or short-term contract opportunities. SUMMARY/ TECHNICAL SKILLS: •Operating Systems: UNIX / Linux (RHEL, Ubuntu, CentOS), Windows Operating Systems (8/7/ XP/Vista / 2000/ 98), Mac OSX (10.8/10.7/10.6,/9.5/8.5) •Harware Servers: HP Proliant 360,380p Gen8, Dell PowerEdge R720,780,T320, 1850, 2950, Precision Towers 7910, Mac OSX. Desktops: HP Z400,Z440, Z840. Dell Inspiron's, Latitudes, Optiplex's. Mac Mini's, IMac's, PowerMac's. •Windows Server, 2003, 2008r2, Installation, Configuration, Setup. Active Directory, DHCP, DNS, File Servers. RDS. •Network Monitoring, Automation Tools, Ticketing Software: Kaseya, Plesk. Remedy, Connectwise, Custom. •Networking: DHCP, DNS, TCP/IP, RDP, Terminal Services. PC Anywhere, VNC, RDP, TeamViewer, Gotomeeting. •Installation, Configuration, Patching / Hotfixes: Windows / Mac / Linux. Servers and Clients (WSUS, yum , apt-get) •Setting up installing peripherals, network cards, drives, graphics cards, drivers, batteries, power supplies, RAM. •Storage Technologies: NAS, DAS and SAN systems. Network Protocols NFS, CIFS/SMB •Web Technologies: Dreamweaver, FTP, HTTP, HTTPS. WAMP. MySql Workbench. •Imaging and cloning OS builds using current software. Ghost, Acronis, Altiris. •Desktops, Laptops, Smart Phones, Tablets, IPads (Android, IOS, Windows, Blackberry). •Virtual Technologies and applications. , VMware, Parallels, Bootcamp. •Post Production Pipelines and Networks. VFX Technology, Software, Hardware. •Productivity Applications: MS Visio, Project, MS Office XP, 2003, 2007, 2010, Adobe Acrobat Pro, Google Apps, Symantec Ghost, Symantec Net Backup, Aspara, Shotgun, Asset Management, Remedy Action Request, Network Associates’ workstation virus protection, AVG, IM software. •Creative Software- Autodesk Flame/Flint/Smoke, Maya, 3DS Max, XSI, Premiere Pro, Final Cut, Avid, Nuke, Shake, Fusion. Adobe After Effects CS, Adobe Illustrator CS, Adobe Photoshop CS, Adobe InDesign CS, Adobe Dreamweaver CS, Adobe Flash CS, Final Cut Pro, Avid etc...Transcoding / encoding Software - Episode, Adobe Media Encoder, Procoder, Compressor Digital Rapids. Knowledge of all media formats and codec's for Audio /Visual also File Sequences.

    $50.00 /hr
    0 hours
    0.00
  4. Ivan Casco

    Ivan Casco

    Linux System Administrator & Security

    Spain - Last active: 2 months ago - Tests: 1

    This Systems Administrator position focuses primarily on our private and public cloud infrastructure that supports our applications and databases. Attention to detail, strong problem solving skills, and a strong work ethic are essential. Working with these systems requires solid foundation in Linux, tomcat, Apache, nginx, and MySQL to name a few.

    $30.00 /hr
    0 hours
    0.00
  5. Nick Silvestros

    Nick Silvestros

    Expert System Administrator

    Greece - Last active: 1 month ago - Tests: 13

    I have started using Linux since 2001 and I work professionally as a Linux administrator since 2004. I have worked for small companies but with big requirements. I have great experience in all major linux services (Apache, MySQL, Bind, Postfix, Dovecot etc) and in network administration using Linux (iptables, routing etc), Mikrotik and Cisco devices. I also have experiece in Kannel, LTSP and many programming languages including Java, C/C++, PHP, SQL, Web 2.0 technologies. During this year I mainly work on some projects in relation to machine vision using the OpenCV library. I think that my main advantages are my patience and my persistence. I am looking for challenging and interesting projects!

    $30.00 /hr
    0 hours
    0.00
  6. Anthony K.

    Anthony K.

    Enterprise Solutions Engineer

    United States - Last active: 2 months ago - Tests: 5

    Some shops have a "my way or the highway" kind of attitude. I'm different. I use my over a decades worth of experience to understand and help construct what is truly best for my customers. Along with 24x7 management and implementation of my solutions, I have acquired a solid understanding of business strategy, communication, and customer relations. I know what it takes to deliver outstanding client services. Feel free to contact me and take the next step in creating the solution you need.

    $130.00 /hr
    0 hours
    0.00
  7. Josh Heffner

    Josh Heffner

    Microsoft Cloud Specialist - System Center, Office 365, etc

    United States - Last active: 4 days ago - Tests: 1

    Experienced consultant with long list of successful client projects Architect level experience in Microsoft System Center, Windows Infrastructure, Cloud solutions, and client deployment and management. Technical experience includes all Windows Client and Server operating systems, Configuration Manager (SCCM), Operations Manager (SCOM), Orchestrator (SCO), Data Protection Manager (SCDPM), Service Manager (SCSM), OS deployment with SCCM & MDT, client management with MDOP (Med-V, App-V, UE-V, MBAM/Bitlocker), Endpoint Protection, ZTI, LTI, UMST, PXE,and UDI. SQL Server 2005, 2008, 2012, 2014. Microsoft Certifications include: • MCSE: Private Cloud • MCITP: Enterprise Administrator • MCITP: Server Administrator • MCTS: Office 365 • MCTS: Microsoft System Center Configuration Manager • MCTS: Microsoft System Operations Manager • MCTS: Microsoft Exchange Server 2010 • MCTS: Deploying Windows 7 and Office 2010

    $75.00 /hr
    0 hours
    0.00
  8. Soslan Aldatov

    Soslan Aldatov

    Expert server-side developer (Web, VoIP, Asterisk)

    Russia - Last active: 1 day ago - Tests: 1 - Portfolio: 3

    Highly skilled server-side developer with over 7 years of experience. Extremely reliable and responsive as it's been written a lot of times in my clients' feedbacks on Elance (https://www.elance.com/s/supporteam/). I develop high quality web applications and VoIP platforms. My main speciality is VoIP. Asterisk, FreeSWITCH, openSIPS, Kamailio, VoIP billings and various hardware - that's what I deal with most of time. My background is PHP/MySQL programming. I've been working as a web developer for a lot of years, and you can find plenty of successfully performed PHP projects in my job history on Elance (https://www.elance.com/s/supporteam/). I am also very familiar with GNU/Linux as a system administrator. I'd be glad to help you, so feel free to contact me any time.

    $40.00 /hr
    5 hours
    0.00
  9. Antony S.

    Antony S.

    Full Stack Developer

    Sweden - Last active: 19 days ago - Tests: 1 - Portfolio: 2

    I've been a web developer and designer for nearly 15 years now. I love what I do whether it's creating beautiful and intuitive websites. I see my trade as a craftsman and I pay very much attention to details in everything I do. Providing ultimate quality assurance and satisfaction to my clients is my number one priority. I like to take an agile approach to my development and I'm familiar with the most common tools today. My strength are speed and precision. I've worked for companies such as Volvo, GE Capital, Trig Social Media and a good deal of successful startups. You can review my technical competence and projects in my profile below. I hope you'd consider me as a partner. Thank you.

    $30.00 /hr
    0 hours
    0.00
  10. Seth Syberg

    Seth Syberg

    Senior Developer / Technical Strategy Consultant

    United States - Last active: 17 days ago - Tests: 1

    I have over 15 years experience in the tech industry from web & software development to product & project management to executive level technical strategy. Though most of my experience has been with custom tech solutions and proprietary software, I'm also adept with a number of existing 3rd party solutions and libraries. Keywords: Agile, Continuous Integration, Unit Testing, AWS, Heroku, Wordpress, OpenCart, CakePHP, jQuery, Ruby, Rails, JavaScript, HTML, CSS, Sass, Haml, CodeIgniter, Woocommerce, MySQL, PHP, Linux, Apache, PostgreSQL, Java, Compass, Rspec

    $75.00 /hr
    0 hours
    0.00