Unix Jobs

51 were found based on your criteria {{ paging.total|number:0 }} were found based on your criteria

show all
  • Hourly ({{ jobTypeController.getFacetCount("0")|number:0}})
  • Fixed Price ({{ jobTypeController.getFacetCount("1")|number:0}})
Hourly - Entry Level ($) - Est. Time: More than 6 months, 30+ hrs/week - Posted
Every day, we strive to deliver the world's most advanced communication technology to the non-profit community. Tools matter, and we are committed to leading the industry by building simple yet sophisticated tools that establish new models of constituent outreach and organizing. We do this work to make a difference. With the challenges faced on a global scale, we feel that the efforts of every single person counts. We use our talents and labor to create tools that will provide the maximum leverage to achieve this social progress — arming those doing this advocacy, organizing, and political education work with better tools for the job. Direct Leap Technologies is searching for a Senior Systems Administrator to start immediately on a part- or full-time permanent basis. 
Key Responsibilities: • Evolve infrastructure, server, deployment strategies and testing to support corporate and client’s needs. • Write deployment scripts, debugging applications and evaluating new technologies. • Support Direct Leap Technologies’ Linux production environment (web, VoIP, database and associated servers – local and virtual). • Creation, maintenance (patches, etc.) and monitoring of servers in multiple environments (production, staging, development). • Securing all networks and servers against intrusion. • Backup processes for critical data, both off-site and office based. • Documentation of everything – systems, processes, network diagrams, etc. • Provide system setup and support for systems in-house. • Be on call and provide support 24/7. Required Qualifications and Skills: • Experience architecting, designing and implementing a large complex infrastructure systems. • 8+ years as a System Administrator, preferably in a client services environment. • In-depth experience with Asterisk VoIP, Freeswitch, and SIP • Expertise in PostgreSQL. • Experience with automated regression testing and quality assurance tools. • Solid understanding of efficient and secure networking, including IP protocol, firewall administration, software load balancers, routers, etc. • Ability to troubleshoot hard/software and discuss issues with various stakeholders and create clear reports on issues and solutions. • Experience programming with Ruby on Rails, Perl, PHP, and Shell Script. • Solid experience with planning, performance tuning and execution of environment scaling. • Detail oriented with excellent analytical and diagnostic skills.
Skills: Unix shell Asterisk Freeswitch Linux System Administration
Hourly - Expert ($$$) - Est. Time: More than 6 months, Less than 10 hrs/week - Posted
Basic Qualifications: - Installing, upgradation, configuring Sun Servers (Solaris 10/11) - Proficiency in supporting various sun hardware like (E15k, E1290, E6800/6900, E4800 V890, V880, V490, V480, E420r) running Solaris operating system. - Configuring and administering Solaris Zones and Containers on Sun Solaris 10 /11 operating system - Sun Virtualization, LDOM & Server Sizing. - Installation and configuration of HA environment using Sun or Veritas Cluster. - Configuration and administration of Sun and Veritas logical volume manager. - Installing and Maintaining Solaris Jumpstart environment - Patch and Package administration - Writing shell scripts to accomplish day to day system administration task - Configuring and supporting domain on Sun Fire Servers - Troubleshooting Hardware and Operating system related issue - Capacity planning and fine tune system for optimal performance - Understanding of SAN and NAS storage. - Installation, configuration and Administration of Netback environment Preferred: - Background knowledge of Oracle Supercluster - Background knowledge of Oracle VM Server for SPARC
  • Number of freelancers needed: 5
Skills: Unix System Administration Solaris Administration
Hourly - Expert ($$$) - Est. Time: More than 6 months, Less than 10 hrs/week - Posted
Provide root-cause analysis for recurring or critical problems - Experience with AIX 6.1 or later or later, performance monitoring and tuning tools, installation options, problem determination and recovery, and AIX security - Experience with IBM Power architectures - Experience writing and debugging shell scripts in a standard UNIX shell - Experience with NIM, satellite server and Kickstart - Experience with AIX performance tuning and capacity planning - Experience with high availability architectures and concepts (possibly including, but not limited to, HACMP/PowerHA) - Experience with Virtual IOS concepts and applications - Experience with enterprise backup/restore architectures and concepts including TSM as it pertains to AIX and RHEL - Experience with Logical Volume Manager, Storage concepts and SAN provisioning - Ability to work with little to supervision on individual tasks, as well as team-oriented tasks. - Ability to work well as a productive member of a multi-faceted team. - Ability to prioritize competing tasks. - Ability to work under a cross-matrix management structure. - Required to support after hours on-call and respond in a timely manner.
  • Number of freelancers needed: 5
Skills: Unix AIX C Shell Korn shell
Hourly - Entry Level ($) - Est. Time: 3 to 6 months, 10-30 hrs/week - Posted
Looking for Informatica developer with 2 years of experience and also having good exposure into any relational database , having oracle is added advantage.
  • Number of freelancers needed: 3
Skills: Unix Informatica Oracle database SQL
Fixed-Price - Intermediate ($$) - Est. Budget: $1,000 - Posted
I need to acquire a ready-to-use SMS Gateway Platform. This platform should have the following features: - SMPP connections (setup, management & troubleshooting) - HTTP connections (setup, management & troubleshooting) - Vendor management by country, by MSISDN, by rates, by connection type - Client management, access credentials, connections, rates, countries, MSISND, SMS traffic report, invoice, analytics, credit, connection alarm. - SMS campaigns management - User management - Database access If the developer can provide Admin/NOC support would be preferred. Should indicate minimum VPS capacity and should give guidance on how this requirements should increase vs SMS traffic volume.
Skills: Unix C Linux System Administration PHP
Hourly - Expert ($$$) - Est. Time: Less than 1 week, 30+ hrs/week - Posted
I have a project a hand, which needs to be enabled with data ingestion and data formatting for which the scripts are to be written in Python. The inputs are from middleware files and other important files.
  • Number of freelancers needed: 3
Skills: Unix Java Python Splunk
Hourly - Intermediate ($$) - Est. Time: More than 6 months, 10-30 hrs/week - Posted
We are a small online agency, running 4 static dedicated unix servers in Germany. I am looking for a long term freelancer taking care of our server infrastructure that was managed now for years by a unix admin. ... I am looking for a long term freelancer taking care of our server infrastructure that was managed now for years by a unix admin. You could get our new unix expert! In future we need a very flexible, scallable and secure environment for 2-4 core applications (availability and speed) as well as a simple hosing environment to manage 20-100 simple website projects that mostly are running wordpress. ... In future we need a very flexible, scallable and secure environment for 2-4 core applications (availability and speed) as well as a simple hosing environment to manage 20-100 simple website projects that mostly are running wordpress. Requirements: + At least 7 years of unix server administration experience + Killer Knowledge about old hosting and also new cloud hosting infrastructures + You should have a high availability 7 days a week with fast reaction time upon problems + Expert skills in Cloud hosting with AWS and/or Google Cloud + Good and clear english or german language speaking + You should have an interest to work with us at least 3-5 years (no short terms) + You must be very reliable and should stay updated with all new technologies + Expert in 100% server availability and server performance tuning + Expert in Unix and Nginx, as well as MySQL, PostreSQL, MongoDB Upcomming tasks: + Catch up with current infrastructure and get an overview about the 4 servers + Create a solution proposal for a future cloud based, flexible, secure infrastructure + Create a migration concept to organize current + future applications, websites hostings + Setup new infrastructure and migrate everything into new environment + Setup a bullet prove fallback scenario, 100% availability and backup concept + Setup a proper server monitoring to get alerted upon problems if you meat this requirements and think you are the right guy for this job, please apply and tell us briefly how you would organize the new infrastructure in a few words.
Skills: Unix System Administration Amazon Web Services Apache administration Debian OS
Fixed-Price - Intermediate ($$) - Est. Budget: $300 - Posted
I have a UNIX server where I have a COBOL based application which is being used as an accounting software.
Skills: Unix