Freelance Devops & Sysadmin Jobs

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Podomatic: DevOps Engineer

Podomatic: DevOps Engineer

2017-11-01 17:41:55

Devops Engineer:

As our Devops Engineer you will perform the Ubuntu upgrade (from 12.04
LTS to 14.04 LTS) on virtual and physical machines in our datacenter.
This will entail updating of our internal Puppet infrastructure to
support the new operating system version. Along with the upgrade will
come upgrades of core services such as RabbitMQ, MongoDB, GlusterFS, and
MySQL, which will require coordination with the development team to
ensure compatibility and availability. Though most work can be performed
remotely, there are some cases where physical access to the datacenter
will be required.

Required skills:

Intermediate to advanced knowledge of Ubuntu Linux;

Understanding of networking concepts such as VLANs, mulltihoming, bridging, and link aggregation;

Familiarity with Puppet and Ruby;

Experience working in a physical data center environment.

Recommended skills:

Facility with DNS (bind 9)

Experience with provisioning automation

Experience with monitoring tools such as Nagios and Cacti;

Scripting in Bash and Ruby

Familiarity with Git & GitHub

Understanding of Nginx & Apache;

Knowledge of VirtualBox & Vagrant.

Learn More »


Semaphore CI: DevOps Engineer

Semaphore CI: DevOps Engineer

2017-11-01 08:47:28

Do you want to help us build the best continuous delivery service in the world? is looking for DevOps engineers to join our Platform team to do just that.

As a DevOps Engineer, you’ll be responsible for building and supporting a Linux-based environment that runs CI/CD jobs on Semaphore. This is a great opportunity to join a highly-skilled team on a very visible role and have a big impact on our user base.

This is a remote position and you should thrive in asynchronous communication. We expect you to have strong written communication skills and be able to develop working relationships with coworkers in locations around the globe.

As a DevOps Engineer, you will also play an important role in helping customers utilize the Semaphore Linux and Docker platforms through assistance in technical support requests. You’ll always be challenged to solve interesting and novel problems that have a real impact on how the world delivers software.


  • Plan, build, test and deliver monthly Semaphore Linux and Docker platform updates, such as this one.
  • Develop and maintain infrastructure through reusable code and tooling.
  • Use metrics and monitoring systems to ensure and improve performance and stability.
  • Communicate with other teams (technical and non-technical), management and Semaphore users through our support channel when necessary.
  • Maintain and improve public documentation that helps Semaphore users use the platform.


  • A deep understanding of the Linux operating system, at both a high- and low-level.
  • Ability to debug and solve configuration, performance and reliability problems quickly; sometimes under pressure if there are issues that are directly affecting product users.
  • Knowledge of standard methodologies: configuration management, monitoring, alerting, metrics.
  • Ability to work in high-level languages such as Ruby and Bash.
  • Excellent written and verbal communication skills, including the ability to work effectively remotely with a team.
  • Being self-managed and capable of making effective decisions in a fast-changing environment.

Who We Are

Semaphore is a leader in hosted continuous integration and deployment, with over 30,000 developers relying on Semaphore to test and deploy their code. Our mission is to help teams ship their software faster and with more confidence by providing a fast, robust and scalable platform for software delivery.

We work in small, highly effective teams, and every person is vital to the success of the company.

Our team is made of smart, creative people who love their craft. We believe that a great place to work is where we’re surrounded by self-managed people who consistently do good work and positively inspire us.

We work in a fast-changing environment of a new market, and there are many ways you can make a great impact. You will not be just improving the product or customer experience, but have a voice in shaping the company culture too.

Sounds good? Come work with us.


  • The impact of working on a product that’s competing on a global market.
  • Join a small team of around 20 full-time people who love what they do.
  • A healthy 40-hour work week, friendly and supportive work environment.
  • Competitive salary.
  • Company retreats.
  • Space to learn continuously and choose the tools and equipment for your job
  • Paid trips to conferences and books of your choice.
  • Interact with developers that use Semaphore and talk about latest and greatest way to develop and ship software.
  • Paid membership at a fitness club of your choice

Semaphore is an equal opportunity employer. Consistent with our mission of serving a diverse and global audience, we value a diverse workforce and inclusive culture which reflects that. We encourage applications from all qualified individuals without regard to race, color, religion, gender, sexual orientation, gender identity or expression, age, national origin, marital status, disability, and veteran status.

Learn More »


Hotjar: DevOps Engineer (Europe)

Hotjar: DevOps Engineer (Europe)

2017-10-30 11:57:26

Note: Although this is a remote position, we are currently only seeking candidates in timezones between UTC-2 and UTC+4.

Hotjar is looking for a driven and ambitious DevOps Engineer based in a European timezone to support and expand our cloud-based infrastructure used by thousands of sites around the world. The Hotjar infrastructure currently processes more than 16,500 API requests per second, delivers over a billion pieces of static content every week and hosts databases well into terabyte-sizeranges, making this an interesting and challenging opportunity.

This is an excellent career opportunity to join a fast growing remote startup in a key position. 

In this position, you will:

  • Be part of the team setting up and maintaining the infrastructure that powers our sites and web applications.
  • Choose, deploy and manage tools and technologies to build and support a robust infrastructure.
  • Be responsible for identifying bottlenecks and improving performance of all our systems.
  • Ensure all necessary monitoring, alerting and backup solutions are in place.
  • Do research and keep up to date on trends in big data processing and large scale analytics.
  • Implement proof of concept solutions in the form of prototype applications.


Compensation Range

The budgeted compensation range for this role is €50,000 to €70,000 annually. Ranges are based on market research and are equitable to other roles within Hotjar. The actual compensation offered to a successful candidate will be based on relative experience and skills. At this time we are only able to provide official employment status to those located in Malta. All other candidates will join our team as full-time consultants and will be responsible for paying any taxes or applicable fees where they reside. 


  • Strong working knowledge of Amazon AWS.
  • 2 or more years of professional experience with systems administration or DevOps.
  • Experience with Python, Nginx and PostgreSQL.
  • Not required but experience in any of the following is considered to be an asset: Kubernetes, Kafka, Hadoop, Elasticsearch, Redis, Memcached, Jenkins, Mercurial, Vagrant, Docker.
  • Must submit to a background check confidentially processed by our third party.

Learn More »




2017-10-24 11:36:57

Remote work – UCT between +10 to +13

Sourcefabric is looking for a System Administrator to join our international team and help maintain the systems and security of the independent media outlets we work with.

Sourcefabric believes in quality, independent journalism. We provide news organisations with award-winning software, expertise and support to produce it online, in print and on air. Sourcefabric is established as a Czech non-profit organisation with its headquarters in Prague, branches in Berlin and Toronto, and representatives in Minsk, Warsaw, Belgrade and Cluj.

 We have four open source software projects and offer a range of mission-critical hosted and managed solutions for newspapers, websites, radio stations and publishers all over the world. System Administrators are the backbone of our organisation. 

We offer you the opportunity to:

  • Work on meaningful open source projects that make the world a better place.
  • Work with a great team: we are international, friendly, and enthusiastic, have years of open source experience, and your manager understands the software development process.
  • Work in an environment that allows you to improve your skills and keep up with the latest development technology; we all enjoy learning from each other.
  • Have your voice heard and considered in the decision-making processes in the company.
  • Go to an international conference once a year in nice locations in Europe.

What we’re looking for from you:

  • Excellent spoken and written English, with additional languages a plus
  • 3-5 years experience as a Linux system administrator or system integrator. You should know how to install/configure/monitor/optimize/secure/repair the following:
  • Ubuntu/CentOS/Debian server
  • application servers: Apache, Nginx, HAProxy, Bind, isc-DHCP, Exim4, proFTPd, SSHd
  • database servers: MySQL, Postgres, Mongodb, Elasticsearch, Redis
  • monitoring tools: Zabbix
  • file system/RAID volumes
  • server virtualization: LXC, KVM/Qemu
  • Shell, Ansible Playbook programming
  • SSL certificate management: creating, revoking, user/web protection
  • You should know how to troubleshoot software/hardware/network issues to identify where a problem is happening. We are also looking for the ability to integrate different open source applications together.

 Other skills you can impress us with include SQL, PHP and Python programming, and/or Amazon services management experience.


Candidates should be based in UCT between +10 to + 13.


If this sounds like you, we’d love to hear from you. Send us your resume, your expected salary and a cover letter via email jobs AT sourcefabric DOT org.

Learn More »


Raising the Floor – US: DevOps Engineer, emphasis on Performance/Scalability

Raising the Floor – US: DevOps Engineer, emphasis on Performance/Scalability

2017-10-19 14:52:46

Type of Position: Full-Time, 1 year Contract, 100% Work from Anywhere


Anytime, Anywhere, Any Computer Access. At Raising the Floor, we’re an international coalition of individuals and organizations dedicated to ensuring that the Internet, and everything available through it, is accessible to people with accessibility barriers due to disability, literacy, or age, and regardless of economic resources. Our vision is to revolutionize the landscape of assistive technology by creating an infrastructure to facilitate the development, distribution, and support of a wide range of affordable accessibility solutions around the world. That is, the Global Public Inclusive Infrastructure (GPII).


You will join a team of bright and talented software developers located across continents, who are passionate about our vision, that of radically improving the access to technology. How? By developing a system that supports the “portability” of user preferences across any platform or device. You will be working in an open source development environment, from anywhere in the world and enjoying a flexible schedule. 


  • Work with Infrastructure developers to plan microservice deployments and scalability testing on Kubernetes clusters running in the public cloud (AWS, GCE, Azure).

  • Design and document a performance/scalability plan, including testing strategies and scenarios.

  • Integrate performance/scalability test cases into release processes, integrate them with the GPII’s Continuous Integration/Continuous Deployment systems, store results using technologies such as Elasticsearch, and provide dashboards to team members.

  • Implement the instrumentation required to collect data for analysis.

  • Perform data analysis to detect performance bottlenecks.

  • Provide recommendations to GPII developers on how to optimize a system of microservices for performance and robustness.


We are seeking an infrastructure engineer with broad experience in development and operations, and a particular interest in performance and scalability. If this describes you, we encourage you to apply even if you don’t have experience in all of the following areas and technologies:

  • Modern, containerized cloud infrastructure (especially Docker and Kubernetes) including load balancing techniques, storage, networking, security, authentication, logging, monitoring, etc.

  • Designing and writing performance test plans.

  • Open source performance testing tools (Gatling, JMeter, Tsung, etc.), and ability to simulate dynamic user traffic.

  • Development background with ability to review code, write automation scripts, and add instrumentation to microservices for data gathering.

  • Performance profiling tools and techniques for services deployed on Unix-like operating systems in the cloud (dtrace, perf, systemtap, tcpdump, etc.).

  • Profiling tools for Node.js (node-inspector, Chrome dev tools, heapdump, NSolid).

  • Infrastructure automation tools (Ansible, Vagrant, Terraform, Packer).

  • Working with non-infrastructure/operations developers, including advising them on how applications can be modified to make them easier to deploy, operate and monitor.

  • Writing documentation, runbooks, etc., for operations and infrastructure engineers.

  • Working autonomously in a distributed environment and/or with open source communities.

Type of Position: Full-Time, 1 year Contract, 100% Work from Anywhere

Raising the Floor – US Inc, an equal opportunity/affirmative action employer, complies with all applicable US federal and state laws and regulations regarding nondiscrimination and affirmative action; all qualified applicants will receive consideration for employment. Raising the Floor – US is committed to a policy of equal opportunity for all persons and does not discriminate on the basis of race, color, religion, sex, national origin, physical or mental disability, protected veteran status, age, gender identity or expression, sexual orientation, creed, marital status, political affiliation, personal appearance, or on the basis of rights secured by the First Amendment, in all aspects of employment.

Learn More »


HVAC shop drawings

Description: We will provide you with mechanical plans, your job will be to do the shop drawings in concordance …
Category: Engineering & Architecture
Required skills: hvac system design
Hourly budget: Duration – 6+ months; Hours/week: 30+; Rate: Not sure
Job type: Public
Freelancer Location: Worldwide

Source by Guru Engineering Architecture Jobs

3D house modelling in SketchUp

Description: I have high-level plans for a 170 square metre house & 25square metre shed/granny flat in PDF f…
Category: Engineering & Architecture
Required skills: sketchup, 3d design, architecture, construction, interior design-residential, layout design
Fixed Price budget: $500-$1k
Job type: Public
Freelancer Location: Worldwide

Source by Guru Engineering Architecture Jobs

Compare ASME and CSA Stairlift Standards

Description: I would like someone to compare these two sets of standards for similarities and differences as the…
Category: Engineering & Architecture
Required skills: electrical engineering, mechanical engineering, safety engineering
Fixed Price budget: $500-$1k
Job type: Public
Freelancer Location: Canada

Source by Guru Engineering Architecture Jobs

3300 Campus Paint

Description: Boris, as discussed we are trying to determine colors for this overall campus. The job will consist…
Category: Engineering & Architecture
Required skills: color design, rendering
Fixed Price budget: Not Sure
Job type: Public
Freelancer Location: Worldwide

Source by Guru Engineering Architecture Jobs