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6 senior software design engineer testing infrastructure jobs found

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senior software design engineer testing infrastructure
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Full time  (2)
Mattermost
17 Jun, 2026
Senior React Native Engineer
Mattermost United States
Mattermost is the leading collaborative workflow platform for defense, intelligence, security, and critical infrastructure. Trusted by the U.S. Department of War and Fortune 500s, our platform runs on-premises and in private clouds, delivering secure messaging, file sharing, workflow automation, audio/screenshare, and project management—all with full data and operational control. Mattermost powers high-stakes workflows across mission planning, real-time, real-world operations, DevSecOps, incident response, and cyber defense—enabling secure collaboration from tactical edge and DDIL environments to enterprise HQ. Teams operate across web, desktop, and mobile, with embedded interoperability for Microsoft Teams, Outlook, and Microsoft 365. To learn more, visit  www.mattermost.com We are seeking a Senior React Native Engineer to take ownership of the Mattermost mobile experience for teams working in defense, intelligence, and critical infrastructure. This role sits at the...
CloudLinux
18 Jun, 2026
Full time
Head of QA (remote-only, worldwide remote)
CloudLinux Remote (Warsaw, Poland)
TuxCare is a subsidiary of CloudLinux. It offers a portfolio of security solutions for Linux and open-source software aimed at enterprise organisations. With TuxCare, enterprises can automate live vulnerability patching, minimise downtime, keep their applications secure and compliant, and get support from a team that knows Linux security best — covering the most popular Linux distributions, end-of-life systems, programming languages, and much more. For more information, visit our website: https://tuxcare.com/ One of TuxCare's key products is Endless Lifecycle Support (ELS) , which enables organisations to securely continue using Linux distributions and software languages that have reached end of life or no longer receive standard security updates. ELS delivers vulnerability patches for unsupported versions of CentOS, Ubuntu, Debian, Oracle Linux, as well as for runtimes and frameworks such as PHP, Python, Spring, Angular/AngularJS, Django, and Flask. More details:...
Mattermost
17 Jun, 2026
Lead Site Reliability Engineer
Mattermost United States
Mattermost is the leading collaborative workflow platform for defense, intelligence, security, and critical infrastructure. Trusted by the U.S. Department of War and Fortune 500s, our platform runs on-premises and in private clouds, delivering secure messaging, file sharing, workflow automation, audio/screenshare, and project management—all with full data and operational control. Mattermost powers high-stakes workflows across mission planning, real-time, real-world operations, DevSecOps, incident response, and cyber defense—enabling secure collaboration from tactical edge and DDIL environments to enterprise HQ. Teams operate across web, desktop, and mobile, with embedded interoperability for Microsoft Teams, Outlook, and Microsoft 365. To learn more, visit  www.mattermost.com Mattermost is seeking an experienced and visionary Lead Site Reliability Engineer (SRE) to guide the architecture, reliability, and operational excellence of the infrastructure powering our...
Mattermost
17 Jun, 2026
Staff Software Engineer, Testing Infrastructure
Mattermost United States
Mattermost is the leading collaborative workflow platform for defense, intelligence, security, and critical infrastructure. Trusted by the U.S. Department of War and Fortune 500s, our platform runs on-premises and in private clouds, delivering secure messaging, file sharing, workflow automation, audio/screenshare, and project management—all with full data and operational control. Mattermost powers high-stakes workflows across mission planning, real-time, real-world operations, DevSecOps, incident response, and cyber defense—enabling secure collaboration from tactical edge and DDIL environments to enterprise HQ. Teams operate across web, desktop, and mobile, with embedded interoperability for Microsoft Teams, Outlook, and Microsoft 365. To learn more, visit  www.mattermost.com Mattermost is seeking a visionary Staff Software Design Engineer (SDE) in Testing Infrastructure to lead a company-wide transformation of test automation and quality engineering . In this highly...
Mattermost
17 Jun, 2026
US Defense Software Engineering Lead
Mattermost United States
Mattermost is the leading collaborative workflow platform for defense, intelligence, security, and critical infrastructure. Trusted by the U.S. Department of War and Fortune 500s, our platform runs on-premises and in private clouds, delivering secure messaging, file sharing, workflow automation, audio/screenshare, and project management—all with full data and operational control. Mattermost powers high-stakes workflows across mission planning, real-time, real-world operations, DevSecOps, incident response, and cyber defense—enabling secure collaboration from tactical edge and DDIL environments to enterprise HQ. Teams operate across web, desktop, and mobile, with embedded interoperability for Microsoft Teams, Outlook, and Microsoft 365. To learn more, visit  www.mattermost.com Mattermost is seeking a fully remote US Defense Software Engineering Lead anywhere in the United States to lead a small, agile development team dedicated to building mission-critical capabilities on...
CloudLinux
16 Jun, 2026
Full time
Senior Cloud Network Engineer (remote-only, worldwide remote)
CloudLinux Remote (Warsaw, Poland)
CloudLinux and TuxCare build Linux, security, and enterprise infrastructure products used by hosting providers, software vendors, and engineering teams around the world. The Infrastructure team runs the platforms behind that work: data centers, public cloud providers, OpenNebula, Kubernetes/Talos, Ceph, CI/CD, observability, identity and access systems, and internal services. We are hiring a hands-on Senior Cloud Network Engineer to own and evolve the network layer of our hybrid infrastructure. This is an engineering role with real architecture ownership: you will design, implement, monitor, document, automate, secure, and troubleshoot production networking across data centers, cloud regions, Kubernetes/Talos clusters, OpenNebula environments, and bare metal. This is a technical ownership role. It is not a diagrams-only architecture position, and it is not a people-management role. You will define technical solutions, ship production changes, verify behavior, support...
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