You've landed at the right place. oDesk is now Upwork. Learn about the new platform.

Linux System Administration Jobs

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

show all
  • Hourly ({{ jobTypeController.getFacetCount("hourly") | number:0}})
  • Fixed Price ({{ jobTypeController.getFacetCount("fixed") | number:0}})
show all
only
only
only
show all
only
only
only
only
only
show all
only
only
only
Looking for the Team App?
Download the New Upwork Team App
Fixed-Price - Intermediate ($$) - Est. Budget: $1,250 - Posted
We are looking for a talented and customer focused individual with good problem resolution skills to join our team of IT professionals in the position of Senior IT Engineer. This position is full time UK (8am GMT to 5pm GMT) remote work from home. The candidate must be able to work in a team and be able to take charge of tasks individually and have good customer relations skills. The candidate must also be able to take charge of individual issues and respond to any client queries over email and phone or monitoring system alerts generated in the ticketing system. The candidate is required to have; - At least 5 years of IT administrative and engineering experience in enterprises of all sizes - Very good english conversational and written skills - A fast and reliable internet connection and his own workstation or laptop - A reliable mobile phone connection - Residency with in a timezone +/-3 hours of GMT - Experience with compelx environemnts and remote user support - Willingness to join an out of hours 24/7 on call rotation with other engineers. The candidate should be able to demonstrate good knowledge and skills on; - Cloud environemnts like AWS, OpenStack, Open Nebula, CloudStack... - VMware vSphere and ESXi experience - High availability in the cloud - Linux systems administration and scripting, knowledge of Virtualmin, Apache, MySQL, PHP and email systems is a plus - Windows Server environments (2003, 2008, 2012), Active Directory, Excange and Office 365 administration etc. - Windows Desktop (XP, 7, 8) and MS desktop apps such as Office - Good understaning of networking concepts (LAN, WAN, VPN, IPv4) Bonus points will be awarded to candidates with the knowledge of; - Intel based servers - Cisco and other switches - Watchguard fireboxes - Citrix XenApp - Veeam Backup - Zabbix monitoring - Microsoft SQL - Domino Server - OpenVPN The candidate must provide a ping and traceroute output to the IP address 84.45.94.69 and a description of the internet connection that they are using to be able to apply for this position.
Skills: Linux System Administration Apache CloudStack Cloud Security Framework LAN Implementation
Hourly - Intermediate ($$) - Est. Time: 3 to 6 months, Less than 10 hrs/week - Posted
We are one of the fastest growing business application development company working with advance web technologies. Most of our technologies run on AWS, and with bunch of new products in line, we want some one to take charge of our entire DevOps. We seek a part-time engineer with significant DevOps experience, with good architectural and documentation skills, and demonstrated skill designing and implementing scalable AWS-backed services. Requirements: - Expert AWS knowledge - Proficiency with docker - Experience with high load system - Experience with troubleshooting multi zone outages - Deep grasp of Linux, especially Debian-based distros (we use Ubuntu containers) - Excellent knowledge of shell scripting - Understanding of git fundamentals and working knowledge of using feature branches and GitHub - Administration and customization of a wide range of services, such as Postgres, Logstash, Nginx etc. - Understanding of system security best-practices - Passion for automation - Excellent English communication - Ability to work independently with minimal supervision - Excellent documentation skills Application requirements: * Ability to be reasonably available during Indian business hours, and sometimes during off hours for server maintenance. If you feel you'd be a good fit, please apply.
Skills: Linux System Administration Amazon Web Services Network Administration Network Security
Hourly - Intermediate ($$) - Est. Time: More than 6 months, 10-30 hrs/week - Posted
Gradient Labs develops advanced applications using web technologies and iOS. All of these are backed by Amazon Web Services. Our engineering operation is getting more complex as various applications need to scale and we develop new applications. We seek a part-time senior engineer with significant DevOps experience, excellent architectural and documentation skills (we would like to review sample system architecture diagrams), and demonstrated skill designing and implementing scalable AWS-backed services. Requirements: - Continuous testing and deployment for complex clustered apps - Proficiency with docker and CoreOS/fleet/etcd - Expert AWS knowledge - Experience with high load/scale and troubleshooting outages and erratic server behaviours - Deep grasp of Linux, especially Debian-based distros (we use Ubuntu containers) - Excellent knowledge of shell scripting - Understanding of git fundamentals and working knowledge of using feature branches and GitHub - Administration and customization of a wide range of services, such as Elasticsearch, MongoDB, Postgres, StriderCD, Logstash/Kibana, Nginx, Redis, etc. - Understanding of system security best-practices - Passion for automation - Excellent English communication (chat, not necessarily verbal -- our team works closely together on Slack) - Ability to work independently with minimal supervision - Excellent documentation skills Good to have: - Basic knowledge of these languages/frameworks: Ruby on Rails, Node.js, Swift, Cucumber/Gherkin - Experience with iOS tooling and application lifecycle Application requirements: * Must have relevant past experience history and positive reviews. Providing us with a link to a GitHub account with samples of your past work would be ideal. * Ability to be reasonably available during US business hours, and sometimes during off hours for server maintenance. * You'll be starting work immediately, working from existing documentation, and have access for a short period of time to the current DevOps engineer to get questions answered. If you feel you'd be a good fit, please apply.
Skills: Linux System Administration Amazon Web Services DevOps Docker
Hourly - Intermediate ($$) - Est. Time: More than 6 months, 30+ hrs/week - Posted
We are looking for creative and motivated software developers to improve our XMPP-based front-end and back-end software stack in a long term partnership. Knowledge of various debugger tools like Firebug and IE Developers tools, Mobile UI development, Cross browser designing and developing experience. We work with cross-cultural and global teams, which require virtual communication skills, pro active behavior and the willing to think and act solution oriented. The developers must have experience working with responsive UI, cross browser front-end development. Linux and XMPP know how is appreciated. * good English skills (Both reading and writing) * experienced with GIT * fast learner, self-directed, work well with others * experienced in Ajax / JavaScript, willing to work with a new framework * experienced in Java / J2EE / JSP / servlets (Zimbra) * experienced JavaScript, HTML, DHTML, XHTML, CSS skills * Backend and Frontend experience is appreciated * XMPP, WebRTC, VoIP experience * Linux knowledge * nice to have: Java, Bash, Perl, Python * Networking (IPv4, IPv6, HTTP, TLS, network security, encryption, TCP/UDP, server-client architectures, mesh architectures, peer2peer, VPNs) Also Zimbra knowledge is beneficial.
  • Number of freelancers needed: 2
Skills: Linux System Administration AJAX AngularJS CSS
Hourly - Intermediate ($$) - Est. Time: 1 to 3 months, 10-30 hrs/week - Posted
Help us improve the reliability our infrastructure. Review our Jenkins setup, improve the reliability of the Jenkins setup. Implement a secrets management setup. Setup server monitoring. Implement config management for server setup.
Skills: Linux System Administration DevOps Docker Jenkins
Looking for the Team App?
Download the New Upwork Team App
Fixed Price Budget - ${{ job.amount.amount | number:0 }} to ${{ job.maxAmount.amount | number:0 }} Fixed-Price - Est. Budget: ${{ job.amount.amount | number:0 }} Open to Suggestion Hourly - Est. Time: {{ [job.duration, job.engagement].join(', ') }} - Posted
Skills: {{ skill.prettyName }}
Looking for the Team App?
Download the New Upwork Team App