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17 jobs similar to Senior System Administrator (Linux, Networking & Automation)

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Hungary

  • Develop and enhance the Open Telekom Cloud platform in a customer-oriented manner.
  • Solve complex problems in the daily operation of a hyper-scaler's cloud backend.
  • Work in a team of specialists with flat hierarchies and independent working-style.

We are a subsidiary of Deutsche Telekom Group providing IT and telecommunications services. With over 5300 employees, we are Hungary's most attractive employer in 2025, fostering a culture of innovation and collaboration.

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.

The company provides VPS and dedicated server hosting for FX brokers and traders. It is a small organization seeking a reliable, hands-on contractor to support customer-facing infrastructure.

India

  • Provide responsive, high-quality support to enterprise B2B customers on zero-trust security and network segmentation products.
  • Own technical issues end-to-end, investigating complex problems across Linux, networking, virtualization, and cloud environments.
  • Collaborate with engineering and support teams to drive resolutions and recommend preventive improvements.

The hiring company provides cybersecurity and network security solutions built around zero-trust technologies for enterprise customers. It operates as a collaborative global organization with an inclusive culture, flexible remote work, and opportunities for continuous learning.

US

  • Administer Linux and Windows VMs and support network observability platforms like Syslog-NG and Trapd.
  • Troubleshoot incidents, perform upgrades and patching, and automate tasks using Bash, PowerShell, or Python.
  • Collaborate with network and security engineers to analyze traffic patterns and ensure reliability, scalability, and security.

Blueprint is a technology solutions firm that helps organizations achieve meaningful outcomes across AI, cloud, data, and emerging technology. Its culture is built on ownership, high standards, and exceptional work, with teams across the United States.

Hungary

  • Registering and forwarding IT and network errors to appropriate resolution teams.
  • Diagnosing and resolving first-level network outages using IT tools.
  • Monitoring network devices in automated systems and maintaining communication with clients.

Deutsche Telekom ITTC Hungary Kft. is a subsidiary of Deutsche Telekom Group, providing IT and telecommunication services. It is one of the largest ICT employers in Hungary with over 5,000 employees and has been recognized as one of the most attractive workplaces.

Germany

  • Design and develop core networking components for a large-scale Virtual Private Cloud, including control-plane and data-plane systems.
  • Improve scalability, performance, and resilience of critical network services, implementing capabilities like IPv6, VPC peering, and load balancing.
  • Collaborate with engineering teams to deliver reliable, secure networking and participate in design reviews and coding interviews.

Our partner is a leading cloud infrastructure platform, enabling large-scale AI and cloud services. They foster a highly technical, international engineering environment with a trust-based culture and strong emphasis on ownership and continuous improvement.

Latin America

  • Proactively monitor all production networks, applications, and services.
  • Respond to and resolve alerts/alarms according to standard operating procedures.
  • Escalate alerts/issues to appropriate support teams and work towards timely resolution.

IDT Corporation is a global communications company founded in 1990, providing prepaid communication and payment services and international voice carrier services. They employ over 1800 people across 20 countries and have a culture that encourages in-house entrepreneurs.

United States

  • Design, deploy, maintain, and optimize resilient infrastructure for Oracle Utilities environments.
  • Perform root-cause analysis and troubleshooting for system performance, security, and network connectivity issues.
  • Provide on-call support and communicate technical plans clearly to both technical and non-technical stakeholders.

This is a partner company seeking an Infrastructure Engineer to support Oracle Utilities environments for North American clients. The company emphasizes reliability, independence, and technical excellence in a fully remote setting.

Spain

  • Design, automate, and operate resilient network infrastructure supporting cloud and AI platforms.
  • Define reliability objectives, manage incident response, and implement long-term solutions.
  • Build observability systems and automate operational workflows to improve efficiency.

The partner company focuses on cloud and AI infrastructure. They offer a collaborative culture with experienced international engineering teams.

Global

  • Oversee server and network infrastructure including Unix OS, Cisco equipment, and cloud environments (AWS, GCP).
  • Troubleshoot complex network and systems issues, including multicast routing, latency, and packet capture.
  • Provide mentorship to junior engineers and collaborate with teams to ensure high availability and performance.

dxFeed delivers accurate, real-time market data to buy-side and sell-side firms worldwide. As part of the Deverepts group, they offer a flexible, modern work environment with benefits like remote work and wellness days.

India

  • Monitor and troubleshoot systems, networks, and applications to ensure optimal performance and availability.
  • Perform system administration tasks including server configuration, maintenance, and upgrades.
  • Collaborate with vendors and recommend new technologies to improve system performance and scalability.

Ocrolus builds an AI workflow and analytics platform for lenders, processing nearly one million credit applications monthly with over 99% accuracy. Trusted by over 400 customers, the company is a fast-growing, remote-first team valuing empathy, curiosity, humility, and ownership.

US

  • Design, deploy, and maintain resilient infrastructure for Oracle Utilities environments.
  • Perform Linux systems administration, networking, scripting, and SQL optimization.
  • Troubleshoot incidents and provide technical support to clients across North America.

The company specializes in supporting business-critical Oracle Utilities environments across North America. It operates as a remote-first, collaborative team with a focus on reliability and client success.

Spain

  • Serve as primary technical contact for users and customers, coordinating issue resolution through phone, email, and ticketing systems.
  • Provide second-level technical support for healthcare IT systems, diagnosing and resolving complex hardware, software, networking, and application issues.
  • Collaborate with IT, Product, Engineering, and other teams to investigate complex technical problems and implement effective solutions.

The company provides technical support services within a healthcare IT environment, where reliability and responsiveness are critical. They are a partner company that values collaboration, customer focus, and technical excellence.

Hungary

  • Coordinate the implementation of business plans and operative programs for a team of independently working employees.
  • Take responsibility for team performance and financial planning.
  • Requires a Bachelor’s degree, fluent English, people management experience, and expertise in managed security applications.

Deutsche Telekom IT Solutions is a subsidiary of the Deutsche Telekom Group, providing IT and telecommunications services. With more than 5300 employees across four sites in Hungary, we are recognized as an attractive employer and award-winning company for educational cooperation and ethics.

US

  • Provide advanced networking and systems integration expertise to address complex technical challenges.
  • Apply sound judgment to evaluate technical information, develop creative solutions, and recommend approaches.
  • Collaborate with senior stakeholders and technical/non-technical audiences while working independently in a remote environment.

This partner company focuses on complex technology initiatives in networking and systems integration. It fosters a global, collaborative environment emphasizing technical excellence, innovation, and inclusion.

$80,000–$100,000/yr
US

  • Build, maintain, and operate Vultr's Ceph-based Cloud Storage environments with a focus on stability and scalability.
  • Develop automation frameworks and optimize metrics collection and alerting systems.
  • Collaborate with cross-functional teams for capacity expansion, maintenance, and design decisions.

Vultr makes high-performance cloud infrastructure easy, affordable, and locally accessible for enterprises and AI innovators globally. As the world’s largest privately-held cloud infrastructure company, Vultr has over 30 data centers, hundreds of thousands of customers, and a $3.5 billion valuation.

Brazil

  • Design, automate, and operate internal IT systems to support a globally distributed workforce.
  • Build scalable solutions integrating SaaS platforms, APIs, cloud services, and AI-powered workflows.
  • Provide advanced technical support with a focus on root-cause analysis, security, and employee experience.

The company is a global, technology-driven organization that redefines internal IT as an engineering discipline. It fosters a culture of innovation, automation, and continuous improvement with a distributed workforce.