Linux System Administrator Jobs in Greenwich, CT

Deliver expert administration and management of ClearPath OS2200 systems, ensuring optimal performance and security. Collaborate with teams to enhance services, support integration, and drive continuo...

Champion an exceptional IT experience by supporting leadership and teams globally, enhancing IT infrastructure, ensuring seamless operations, and collaborating across departments in a dynamic, hybrid...

Empower operations as a System Administrator for MODES III, managing AWS and on-prem cloud systems. Ensure system security, availability, and performance while collaborating with DevOps teams to suppo...

Take ownership of DLA's Okta environments, ensuring stable operation through planning, development, and optimization. Engage in end user support, conduct training, and guide on technology direction to...

Empower infrastructure solutions by collaborating on cloud platforms and Kubernetes. Engage with production systems to enhance reliability and security while gaining hands-on experience in automation...

Lead and develop a high-performing global team focused on enhancing Linux and storage platforms. Drive strategy, automation, and security practices while ensuring operational resilience and compliance...

Deliver exceptional IT support by managing VMWare and Linux systems while enhancing communication skills and leadership. This remote role offers the opportunity to grow your technical expertise in a c...

Elevate your career by managing and optimizing complex network systems. Collaborate with IT teams to ensure seamless operations, support trading environments, and implement new technologies in a dynam...

Join a team dedicated to ensuring compliance with STIG standards, configuring RHEL systems, validating security measures, and utilizing advanced scripting to enhance security operations across virtual...

Empower technology advancement by leading the automation strategy for database security systems, focusing on software deployment and production efficiency with minimal manual input...

Contribute to enhancing our enterprise technology by managing a robust Microsoft infrastructure and collaborating across IT teams to drive improvements in system reliability, security, and user experi...

Shape the future of enterprise systems as a Senior System Engineer II. Lead design, deployment, and operations for virtualization platforms like VMware and OpenShift, enhancing performance, security...

Elevate deployment success by overseeing the commissioning of BMS, SCADA, and EPMS systems. Ensure operational reliability and resolve integration issues as you enhance future project efficiencies and...

Join a team that's dedicated to enhancing security and efficiency through the administration of key Identity and Access Management technologies while supporting critical IT projects across the univers...

Drive enterprise IT systems engineering to support a fast-growing global company. Collaborate with cross-functional teams to deliver technology solutions and ensure security compliance while maintaini...

Transform the healthcare infrastructure for Veterans by leading modernization initiatives. Collaborate with diverse teams to design secure, scalable solutions and ensure compliance with federal standa...

Drive the evolution of endpoint management through policy automation, telemetry, and provisioning strategies. Collaborate with security and development teams to enhance device trust and streamline ope...

Drive the management of complex systems across Windows, Linux, and Azure services, ensuring optimal performance and security while providing 7x24 on-call support in a collaborative team environment...

Empower our Infrastructure Engineering team to enhance and manage our Linux environments, driving performance and automation. Collaborate company-wide to ensure seamless integration and support for in...

Join a team that's revolutionizing cybersecurity for veterans' healthcare by securing complex systems, supporting cloud migration, and ensuring compliance with federal standards across healthcare envi...

Unlock your potential as a Systems Engineer, leading complex projects through technical planning and integration, ensuring customer requirements are met while driving efficiency and innovation across...

Join a team that's dedicated to enhancing Azure cloud infrastructure while supporting critical applications through innovative engineering practices, collaboration, and operational excellence in a dyn...

Lead and inspire a high-performing team focused on securing cloud infrastructure and modern application delivery. Drive enhancements in security architecture while advancing team skills in a collabora...

Lead the charge in managing and optimizing Microsoft 365 and Azure environments, ensuring secure operations, overseeing cross-tenant access, M&A integrations, and domain migrations while providing exp...

Transform your career by leading critical upgrades and migrations for legacy systems, ensuring optimal performance and security in a dynamic, collaborative environment focused on innovation and excell...