Source Job

Europe

  • Administer and troubleshoot Windows and Linux servers, Hyper-V, and VMware environments.
  • Diagnose and resolve customer incidents involving VPS, dedicated servers, and connectivity.
  • Participate in upgrades, migrations, and infrastructure improvement projects with clear documentation.

Windows Server Linux Hyper-V VMware Networking

20 jobs similar to Senior Systems Administrator

Jobs ranked by similarity.

$55,300–$88,400/yr
US

  • Monitors and maintains IT infrastructure to ensure high availability and performance.
  • Diagnoses and resolves complex hardware, software, and network issues.
  • Plans and executes system upgrades, patches, and security measures to protect data.

US Anesthesia Partners is a healthcare organization that provides anesthesia services across the United States. The company employs a large team and fosters a collaborative culture focused on patient care.

Global

  • Ensure smooth operation of the company's geo-distributed infrastructure.
  • Maintain and configure network equipment, bare metal servers, and NAS systems.
  • Administer multiple Linux servers and automate administrative tasks.

Xsolla is a global commerce company providing tools and services to help video game developers fund, distribute, market, and monetize their games. The company has helped over 1,500 game developers and fosters a community that values creativity, collaboration, and the transformative power of play.

$32–$43/hr
US

  • Maintain, support, and optimize enterprise applications, servers, and cloud infrastructure including AWS and Azure.
  • Diagnose and resolve infrastructure issues, manage backups, and automate tasks using PowerShell scripting.
  • Provide responsive technical support, maintain documentation, and collaborate with distributed teams to improve system reliability.

Jobgether is an AI-powered job matching platform that connects candidates with hiring companies. They use technology to ensure fair and efficient application reviews, and operate with a focus on innovation and professional growth.

$80,000–$110,000/yr
US 4w PTO

  • Assess existing customer environments and develop upgrade plans for Baxter Care Communications solutions.
  • Execute complex software and infrastructure upgrades on Windows, Linux, and proprietary platforms.
  • Troubleshoot and resolve issues involving operating systems, databases, networks, and integrations.

Baxter is a healthcare company founded in 1931, dedicated to saving and prolonging lives through innovative medical solutions. With a global team, they foster a culture of courage, trust, and collaboration, empowering employees to make a meaningful impact.

$18,000–$21,600/yr
Global

  • Provide expert-level technical support and escalation services for complex IT infrastructure, including Windows Server, Azure, and virtualization platforms.
  • Design, implement, and optimize enterprise IT environments, ensuring standardized configurations and documentation.
  • Mentor junior engineers and collaborate with network and security teams to drive automation and long-term improvements.

Anovia (formerly Innovatia Technical Services) is an industry-leading technology outsourcing support provider with expertise in telecommunications. With over 200 professional experts globally, we focus on technical support, helpdesk, and multilingual services, fostering a culture of work/life balance and remote work.

US

  • Design, implement, support, and optimize enterprise infrastructure across Windows Server, VMware, storage, and cloud platforms including AWS and Azure.
  • Strengthen identity, security, and resiliency across Active Directory and Microsoft Entra through modern authentication and disaster recovery planning.
  • Advance automation through PowerShell and emerging technologies, partnering with development teams on DevOps practices for reliable application delivery.

The Bancorp is a financial services company that has spent over 25 years driving innovation in fintech, providing banking capabilities for fintech solutions, institutional banking, and lending. The company fosters a culture of urgency and rigor, with a small team handling enterprise-scale infrastructure.

US

  • Lead technical support initiatives and operational projects for advanced healthcare systems.
  • Perform advanced troubleshooting and diagnostic evaluations of hardware, software, and networking issues.
  • Mentor team members and collaborate with cross-functional teams to resolve technical escalations.

Our partner provides advanced healthcare technology solutions for clinical environments. They foster a collaborative, innovative work environment with cross-functional exposure and opportunities for professional growth.

US

  • Administer and maintain Microsoft Windows Server environments, including physical, virtual, cloud, and on-premises infrastructure, while ensuring high availability and security.
  • Monitor system health, server performance, and application availability using enterprise tools like Dynatrace and Splunk, and proactively resolve issues.
  • Support integration across enterprise applications, cloud platforms, and mainframe systems, and collaborate with VA leadership, cybersecurity teams, and third-party vendors.

Planned Systems International (PSI) is an Enterprise IT services company that designs, builds, secures, and operates cutting-edge software solutions for Federal Government organizations. As a federal contractor with a focus on mission-critical systems, PSI fosters a culture of collaboration, security, and operational excellence.

Mexico Unlimited PTO

  • Provide technical support across Windows, macOS, and Linux environments.
  • Install, configure, and maintain workstations, software, and IT equipment.
  • Manage and prioritize technical requests through ticketing systems such as Jira.

The company is a partner organization seeking a System Administrator to support its global workforce. It offers a fully remote work environment with a collaborative and respectful international team culture.

$85,000–$100,000/yr
US

  • Install, configure, and maintain Windows Server OS and associated software on physical and virtual hardware.
  • Support VMware vSphere and transition workloads into Azure, leveraging cloud-native tools for system health and compliance.
  • Troubleshoot Tier 3 incidents, automate tasks with Ansible, and provide 24/7 remote support.

Epsilon provides IT solutions and services, now part of AMERICAN SYSTEMS. They foster a dynamic, collaborative environment with expanded resources, focusing on innovation and customer success.

$87,000–$94,000/yr
US

  • Provide support and maintenance of the network environment, servers, and virtual machines.
  • Monitor infrastructure, respond to issues, and implement process improvements.
  • Participate in technology projects, create documentation, and escalate complex issues.

LSAC advances law and justice by promoting access, equity, and fairness in law school admission and supporting the prelaw to practice journey. They are a mission-driven organization that values continuous improvement and collaboration.

India

  • Maintain and support eDiscovery applications and infrastructure to ensure secure and reliable operations.
  • Troubleshoot complex technical issues, perform root cause analysis, and collaborate with internal teams and customers.
  • Monitor performance, implement upgrades, and create documentation to improve long-term platform reliability.

The partner company provides eDiscovery platforms and applications for critical data management. The team is focused on infrastructure support and customer success in a global environment.

US

  • Lead enterprise systems and network administration for the USMEPCOM ENLIST program, ensuring secure and reliable operations.
  • Serve as the contractor's service owner for enterprise infrastructure, managing servers, databases, virtualization, and cloud environments.
  • Direct the Outage Response Team and coordinate incident response, disaster recovery, and continuity of operations.

Computer World Services provides IT solutions and support for government and enterprise clients, focusing on secure, reliable, and mission-ready operations. As a contractor for the U.S. Department of Defense, they emphasize technical excellence and compliance with federal standards.

Peru

  • Perform deep-dive troubleshooting on Privilege Cloud components like Web Portal, Password Manager, and Session Manager.
  • Analyze Cloud and Component logs to resolve complex integration, connectivity, and session recording issues.
  • Manage and rotate privileged credentials across Windows, Linux, and Database platforms.

CyberArk is a global leader in privileged access management (PAM), providing Identity Security solutions to protect against cyber threats. The company has a sizable workforce and fosters a collaborative, security-focused culture.

$73,600–$125,100/yr
US

  • Leads and participates in IT infrastructure projects, including design, deployment, and maintenance of server systems, cloud services, and virtualization platforms.
  • Oversees deployment of IT infrastructure components such as Windows, Linux, and virtualized environments, implementing updates and upgrades for performance and security.
  • Develops backup and disaster recovery plans, scripts in PowerShell for automation, and implements IaC principles with tools like Terraform.

US Anesthesia Partners is a healthcare organization providing anesthesia services. The company has a large-scale IT infrastructure team and emphasizes a collaborative culture.

US

  • Lead and mentor a team of technical engineers supporting enterprise infrastructure systems.
  • Develop and implement infrastructure goals, ensuring high availability, security, and scalability.
  • Coordinate technical issue resolution and collaborate with IT leadership on strategic initiatives.

Emory Healthcare is a healthcare system affiliated with Emory University, offering a wide range of medical services. With a large workforce and a focus on professional development, it promotes a supportive and inclusive culture.

$112,000–$179,000/yr
US

  • Administer, configure, and troubleshoot Windows Server systems (2016-2025) and Microsoft Active Directory, including group policies, DNS, and domain controllers.
  • Utilize scripting languages (PowerShell/VB) to automate system administration tasks and maintain documentation for system configurations and procedures.
  • Collaborate with cross-functional teams in a fast-paced environment, managing multiple tasks and supporting incident resolution for critical issues.

Peraton is a next-generation national security company that delivers mission-critical solutions across land, sea, space, air, and cyberspace. As a leading mission capability integrator, the company supports essential government agencies and all branches of the U.S. armed forces with a team focused on solving complex challenges.

$80,000–$110,000/yr
US

  • Assess existing Care Communications deployments and develop upgrade plans.
  • Execute upgrades across Windows and Linux platforms, databases, and proprietary Baxter hardware.
  • Troubleshoot and resolve complex issues involving operating systems, networks, and applications.

Baxter is redefining healthcare delivery to make a greater impact on patients' lives. Our colleagues are united by a mission to save and sustain lives, with a culture of courage, trust, and collaboration.

  • Support and maintain AWS-based infrastructure and related services, including Microsoft RDS, Active Directory, and Domain Controllers.
  • Monitor infrastructure, applications, and services to ensure availability, performance, and proactive issue resolution.
  • Automate routine operational tasks using scripting tools and collaborate with cross-functional teams on infrastructure improvements.

Tieto is one of the largest tech companies in the Nordics, focused on creating digital futures that benefit businesses, societies, and humanity. They emphasize diversity, equity, and inclusion, fostering an inspiring workplace with teams that value openness and trust.

$50,000–$60,000/yr
US 3w PTO

  • Monitor, analyze, and resolve incidents for customer infrastructure running in Azure.
  • Triage, action on, and disposition telemetry alerts as they come in.
  • Install, configure, and administer customer systems in Azure.

Atmosera empowers businesses with modern technology and human expertise, specializing in Azure cloud solutions. As a Microsoft Partner with seven specializations and award-winning partner, the company fosters a culture of innovation and collaboration.