Network & System Administrators

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  1. Syam S

    Syam S

    RedHat certified Network and Database Administartor with 4+ year exp

    India - Tests: 5 - Portfolio: 3

    I am having more than five year of experience in handling LAMP servers. I am currently working in Amazon EC2 environment. Posses sound Network Administration and trouble shooting skills and know exactly the pain of down time. Proven experience in complex work environment and have enthusiasm in adapting to new technologies. Constantly updating and reviewing my knowledge to suite for recent technologies

    $9.44 /hr
    289 hours
    5.00
  2. Justin McGee

    Justin McGee

    Server & Networking Specialist

    Australia - Tests: 2

    Currently employed as a Systems Administrator in a large education institution. I have worked with all types of technologies - Windows Server, *NIX, HP, Cisco, Aruba, PHP, MySQL, IIS, Apache, and similar technologies. I've also done extensive work with Office 365, Microsoft System Centre suite of applications, as well as project design, implementation and management. Happy to take on any and all projects!

    $77.78 /hr
    11 hours
    4.99
  3. Ralph Swartwood

    Ralph Swartwood

    Certified WebSphere Administrator

    United States - Tests: 1

    I have 10 years experience working with WebSphere Application Server version 3, 4, 5, 6 and 7 on AIX, Solaris, HP/UX, Linux, zLinux and Windows. I am certified in versions 5, 6 and 7. I am looking for short and long term engagements including installations, resolution of a specific problem and ongoing support. I also have experience working with WebSphere Portal Server, Process Server, IBM HTTP Server and Apache. I developed JACL and Jython scripts to automate application deployments and to make configuration changes. I am very familiar with Java programming of servlets, JSP, SQL and JMS. I developed a Nagios plugin that monitored JVM availability and Performance Monitoring Infrastructure (PMI) metrics. I can analyze thread dumps for JVM hang problems and heap dumps for OutOfMemory issues. I also have experience with DirectConnect and training in DataPower appliance administration.

    Groups: TrueBLUE

    $50.00 /hr
    44 hours
    4.60
  4. Kirill P.

    Kirill P.

    Asterisk Expert and System Administrator

    Russia - Tests: 10

    I work on IT more than 12 years. VOIP/Asterisk Developer, Expert System Administrator and Network Administrator, Perl Programmer. Generally, I develop solutions based on Asterisk and speech technologies (speech synthesis and speech recognition systems), complex IVRs, integration with external sources and databases, custom click-to-call and callback systems, etc. I prefer custom development for Asterisk and FreeSWITCH. Usually, I use Perl for development. I have huge experience in solutions based on Asterisk such as FreePBX, Elastix, Trixbox, vicidial, etc. Also I support critical 24x7 systems, administration networks and servers, perform IT consulting, etc.

    $25.00 /hr
    10 hours
    5.00
  5. Khoa Nguyen

    Khoa Nguyen

    DevOps

    Vietnam - Tests: 3

    - Have experience about managing big system about 300 server . - Infrastructure as code with Ansible, Chef. - Use Docker to Continues Deployment - Build Continuous Integration and Continuous Delivery System by Jenkins, Ansible , Docker - Programming languages: bash shell, Python, PHP, Ruby - Config, manage open source such as mysql, apache, nginx, memcached, redis , vagrant , docker ... - High available with fail over and load balance. - Monitor system with New Relic or Zabbix tool - Have experience with Amazon web service : EC2, S3, Route 53, Elastic Cache, Auto Scalling , ELB and Digital Ocean

    $21.99 /hr
    70 hours
    5.00
  6. Aniruddh P.

    Aniruddh P.

    Sr Java Developer

    Australia - Tests: 4 - Portfolio: 1

    Over the last 12 years I have been working on Java/J2EE, Struts, Swings, Xml Api's and mobile technology related projects. My core competency lies in most of the Java Api's as well as in developing new applications as well as providing expert support for maintaince applications. I am very good at coming in at any stage of the application development and getting on with providing expert assistance. I am seeking oppurtunities to work on Java and web technologies. I have been involved with a variety of projects ranging from taxation/accounting applications to telecom projects to enterprise asset managment applications. Thanks and Regards

    $25.00 /hr
    3,262 hours
    5.00
  7. Rudolf De La Cruz

    Rudolf De La Cruz

    VOIP Expert

    Philippines - Tests: 1

    Work History Ring Central (Mandaluyong City) (2010- Present) Tech support T2 (ASG Floor Support)  As a Technical Support Engineer I provide high value implementation and support to our largest enterprise customers.  Self-motivated with the ability to dive right in, be effective and make a difference  Delivering value to customers by helping them get the most out of their RingCentral service.  Helping them setup and optimize their hosted PBX solution to meet their business needs.  Troubleshoot their network, router, firewall and ISP connections to optimize their VOIP quality of service.  Apply expert knowledge of RingCentral services, VOIP technology and networking hardware and software  Provide premium implementation and technical support to RingCentral’s largest customers  Plan, design, install, maintain, troubleshoot and repair RingCentral’s solutions  Understand network architecture required to support RingCentral’s VoIP services  Recommend network hardware, software and design elements  Answer difficult technical questions, solve technical problems and suggest appropriate workarounds  Utilize network performance monitoring tools to isolate and root cause issues  Provide quick and accurate handling of support interactions – phone, chat, screensharing, email.  Experience with VOIP technology and terminology including SIP, RTP, QoS, COS, CDR.  3+ yrs experience in customer focused role - post-sales technical support  Experience configuring, updating and supporting VOIP solutions in a multi-location environment.  Ability to work efficiently in a highly demanding, team-oriented and fast paced environment

    $10.56 /hr
    440 hours
    4.72
  8. Muhammad Imran Afzal

    Muhammad Imran Afzal

    C/C++ Developer,Device Driver,Kernel modules and Bash scripting Expert

    Pakistan - Tests: 4 - Portfolio: 1

    I have 6 years of experience in Linux development and administration. Device Drivers, Kernel Porting, Kernel Modules, Development in networking protocols, gcc/g++ and Python are my expertise. I have strong knowledge in Linux internals including kernel specifics and system calls. I have work experience with mips64 based Cavium's OCTEON multicore netwrok processors. I have worked on network protocol offloading in this. I have the ability TO DO.

    $22.22 /hr
    13 hours
    5.00
  9. GM Roland Agreda

    GM Roland Agreda

    Linux System Administrator

    Philippines - Tests: 2

    Hello, Equipped with years of experience, dedication, knowledge and expertise, i am confident i can be of great value to your company. I am very good at Wordpress and able to design/build and maintain a website, also do some SEO I have enough work experience with linux server, networking and system security, 8 years of experience with linux servers, i'm expert on push scripts, sandbox to production file push, and data retrieval, my previous job was senior system administrator to a bit-coin mining company. I have many experiences with web-hosting company and launching 3-5 sites daily, i am well experienced in WHM/Cpanel/WHCMS and DNS, i have knowledge with wordpress and drupal, and mail configuration MX settings. I love doing server maintenance, and i am available 24/7, i am used to using a staging system is to have a staging and production site, i am well experience on that method, last time i have program a cron job script to push the dev files to sandbox every 4hrs, the developer working on the dev site and no need to FTP to send to sandbox, i had it automatic push, then when the files is on Sandbox QA check the files before manually push to production server, also "manual push" but server side click only 1-2 sec done... Database and Files....

    $6.67 /hr
    179 hours
    4.98
  10. Zhuhriansyah R.

    Zhuhriansyah R.

    Web Technology Programmer

    Indonesia - Tests: 5 - Portfolio: 2

    I'm a professional programmer. Experienced as technical software development leader for +10 years. Excellent at web technology and mobile web platform. I'm a fast learner, hardworking, strong analytical, and good problem solving. I had good educational background and expertise to solve problem with non algorithmic approach, such as artificial intellegence methods, indexing, and others. Experience on Yii, Laravel, HTML5++, Cordova, AngularJS, Ionic, Delphi, Android, iPhone

    $15.00 /hr
    53 hours
    5.00