Work at a Portfolio Company

Sustaining Engineer



Software Engineering
United States · Canada
Posted on Wednesday, July 3, 2024

Docker is a remote first company with employees across Europe, APAC and the Americas that simplifies the lives of developers who are making world-changing apps. We raised our Series C funding in March 2022 for $105M at a $2.1B valuation. We continued to see exponential revenue growth last year. Join us for a whale of a ride!

At Docker, we simplify the lives of millions of developers who are making world-changing apps. Docker helps developers bring their ideas to reality by conquering the complexity of app development. We simplify and accelerate workflows with an integrated development pipeline and application components. A fast-growing startup, Docker offers a dynamic work environment.

The Support Team at Docker is looking for a Sustaining Engineer to help developers and development teams build, share, and run applications in a fast-moving landscape. You will work closely with Support, Production Engineering, and Product teams providing assistance to our internal teams and to our customers by improving product quality. You will help shape the future on key areas of the Docker developer and team experience. As the company grows, you will help to foster teams eager to continuously build, measure, and learn.


  • Become an expert in Docker technologies

  • Apply advanced troubleshooting techniques (debug and diagnose) on critical, highly complex problems that span multiple layers of the technology stack

  • Engage with the engineering team to resolve technical issues

  • Reproduce customer issues and package bug reproducers for product engineering

  • Diagnose and develop code-level fixes, apply patches, and re-package for customer test

  • Build and maintain customer mirrored test environments for use by your team and other technical teams at Docker

  • Partner cross-functionally with product and solution experts to co-develop reference architecture content

  • Drive deep technical post-mortems on behalf of customers


  • BA/BS degree or equivalent practical experience

  • 5+ years enterprise technical support experience or Sustaining Engineering experience

  • Extensive experience troubleshooting remote Linux system issues

  • Familiarity with Windows OS

  • Familiarity with Linux distributions (RHEL, CentOS, Ubuntu, and SLES)

  • Familiarity with IT automation software such as Puppet, Chef, and Jenkins

  • Familiarity with the Go programming language

  • Comfortable with other programming languages (Python, Java, JavaScript)

  • Demonstrated ability to perform code-level analysis of complex issues

  • Knowledge of REST API and web applications

What to expect in the first 30 days

  • Meet the team

  • Understand the team mission

  • Start diving into a part of the code base

  • Ship a small change

What to expect in the first 90 days

  • Feel comfortable in a part of the code base

  • Meet people across the company

  • Ship a more major change

  • Demo something you worked on at the internal Product Development demos

What to expect in the first year

  • Have autonomy/ownership over an area (level dependent)

  • Help shape the direction of Docker Desktop

  • Work with other teams at Docker on delivering an end to end bug fixes.

Perks (for Full Time Employees)

  • Freedom & flexibility; fit your work around your life

  • Home office setup; we want you comfortable while you work

  • 16 weeks of paid Parental leave

  • Technology stipend equivalent to $100 net/month

  • PTO plan that encourages you to take time to do the things you enjoy

  • Quarterly, company-wide hackathons

  • Training stipend for conferences, courses and classes

  • Equity; we are a growing start-up and want all employees to have a share in the success of the company

  • Docker Swag

  • Medical benefits, retirement and holidays vary by country

Docker embraces diversity and equal opportunity. We are committed to building a team that represents a variety of backgrounds, perspectives, and skills. The more inclusive we are, the better our company will be.

Due to the remote nature of this role, we are unable to provide visa sponsorship.