Senior IT Systems Administrator

Docker, Inc

Senior Systems Administrator responsible for designing and maintaining Docker's IT infrastructure in Seattle. Ensuring reliability, security, and mentoring IT team members.

Posted 4/22/2026full-timeSeattle • Washington • 🇺🇸 United StatesSenior💰 $114,100 - $163,000 per yearWebsite

Tech Stack

Tools & technologies

CloudLinuxMacOSSDLC

About the role

Key responsibilities & impact

Recommend and implement improvements to systems and network configurations; define hardware and software requirements for those changes.
Maintain and administer computer networks and related computing environments, including hardware, systems software, applications, and configurations.
Monitor systems, virtualization hosts, and peripheral devices for performance, reliability, and security; determine when adjustments are required and coordinate with technical support staff and vendors.
Troubleshoot and resolve hardware and software issues; diagnose faults, replace defective components, escalate complex issues appropriately, and research long-term solutions.
Design, configure, and implement tests across the IT stack (systems, endpoints), networking, and virtual infrastructure.
Manage identity and access tasks: resolve security/access issues and maintain the integrity of access control systems; leverage automation to improve services, and reduce overhead and errors.
Develop and maintain clear systems administration documentation, runbooks, and standard operating procedures.
Provide leadership, mentorship, and technical guidance to other administrators and cross-functional project teams.

Requirements

What you’ll need

5+ years professional systems administration experience (or equivalent) in production environments.
Strong hands-on experience administering Linux, macOS, and Windows desktop/server environments and endpoint management.
Experience with large-scale infrastructure upgrades.
Familiarity with cloud storage, high-performance computing (HPC) environments, and hybrid on-prem/cloud deployments.
Strong knowledge of identity and access management, least-privilege models, and security controls (experience working with security and compliance teams is highly required).
Excellent troubleshooting, communications, and documentation skills; comfortable working directly with end users and technical stakeholders in complex environments.
Proven ability to lead cross-functional projects and mentor less-experienced team members.
Familiarity with CI/CD, IaC, SDLC, version control, and automation languages is highly desirable.
Experience with leveraging AI tools for scale, and championing and executing AI-forward initiatives, integrations, and tooling is highly desirable.

Benefits

Comp & perks

Freedom & flexibility; fit your work around your life
Designated quarterly Whaleness Days plus end of year Whaleness break
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
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
Remote-first culture, with offices in Seattle and Paris

ATS Keywords

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Hard Skills & Tools

systems administrationLinuxmacOSWindowsidentity and access managementtroubleshootingcloud storagehigh-performance computingCI/CDautomation

Soft Skills

leadershipmentorshipcommunicationdocumentationtroubleshootingcollaborationtechnical guidanceproblem-solvingadaptabilitystakeholder engagement