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Senior Systems Administrator

TransUnion

Senior Systems Administrator

full-timePosted: Aug 4, 2026Updated: Sep 3, 2026Salzburg

Job Description

TransUnion's Job Applicant Privacy NoticeTeam OverviewOur team designs and develops solutions that strengthen secure, reliable communication across telecommunication networks.Our platforms are integrated into the ecosystem and technical infrastructure of mobile operators across Europe where our services process and analyze voice calls and messages to improve security and customer engagement for millions of end consumers. In addition, our team provides fully managed Value-Added Services (VAS) solutions to multiple carriers.This role reports into the Director Product and Technology at RealNetworks, a TransUnion company and will form part of a small team of strong but very capable tech team based in Salzburg, Austria. Role Overview And Core ResponsibilitiesYou will install, configure, and maintain servers/VMs and Linux operating systems (Debian, Ubuntu, etc.).You will use a configuration management and automation tool to manage servers, enforce system configurations, and automate repetitive tasks.You will monitor system performance and uptime.You will apply security patches and software updates.You will troubleshoot and resolve hardware and software issues.You will manage backups, disaster recovery, and data integrity.You will support network infrastructure alongside the network administrators.You will support databases alongside DBAs.You will enforce security policies and compliance.You will be handling on-call duty every couple of weeks.Required Knowledge And ExperiencesEducational background in ITTrack record of experience as a Linux systems administratorExperience in Linux administration (Debian, Ubuntu); virtualization (e.g. Xen); scripting; web servers and application servers (Apache, Tomcat, HA Proxy); storage systems (e.g. GlusterFS); configuration management and automation (e.g. Puppet)Knowledge of SQL databases (MySQL, MariaDB incl. Galera Cluster, PostgreSQL)Good English communication skills, both written and spoken; strong team player mentality and excellent people skillsRequired Technical SkillsCloud (AWS – Amazon Web Services)DevOpsTerraformITIL (Information Technology Infrastructure Library)Scrum or Kanban; technical project managementThe minimum salary for this position, according to the Austrian collective bargaining agreement, is EUR 3,954.00 per month for a full-time employment. Depending on professional experience and/or qualifications, your actual salary is intended to be significantly higher.TransUnion Overview:At TransUnion, we encourage and are committed to creating a real, positive impact and shared sense of purpose within our Workforce for Good, which empowers our people to grow, innovate and contribute to a better future for our communities and customers. We strive to build an environment where our associates are in the driver’s seat of their professional development— while having access to help along the way. We recognize that success comes when our associates thrive both professionally and personally; that’s why we prioritize work/life flexibility and offer resources for our teams across the globe to collaborate and drive excellence. Be a part of our Workforce for Good – you’ll work with great people, pioneering products and cutting-edge technology.TransUnion Job TitleSr Engineer, Desktop Systems

Locations

  • Salzburg

Skills Required

  • Linux administrationintermediate
  • SQL databasesintermediate

Required Qualifications

  • Educational background in IT (experience)
  • Track record of experience as a Linux systems administrator (experience)
  • Experience in Linux administration (Debian, Ubuntu); virtualization (e.g. Xen); scripting; web servers and application servers (Apache, Tomcat, HA Proxy); storage systems (e.g. GlusterFS); configuration management and automation (e.g. Puppet) (experience)
  • Knowledge of SQL databases (MySQL, MariaDB incl. Galera Cluster, PostgreSQL) (experience)
  • Good English communication skills, both written and spoken; strong team player mentality and excellent people skills (experience)
  • Educational background in IT (experience)
  • Track record of experience as a Linux systems administrator (experience)
  • Experience in Linux administration (Debian, Ubuntu); virtualization (e.g. Xen); scripting; web servers and application servers (Apache, Tomcat, HA Proxy); storage systems (e.g. GlusterFS); configuration management and automation (e.g. Puppet) (experience)
  • Knowledge of SQL databases (MySQL, MariaDB incl. Galera Cluster, PostgreSQL) (experience)
  • Good English communication skills, both written and spoken; strong team player mentality and excellent people skills (experience)
  • Cloud (AWS – Amazon Web Services) (experience)
  • DevOps (experience)
  • Terraform (experience)
  • ITIL (Information Technology Infrastructure Library) (experience)
  • Scrum or Kanban; technical project management (experience)
  • Cloud (AWS – Amazon Web Services) (experience)
  • ITIL (Information Technology Infrastructure Library) (experience)
  • Scrum or Kanban; technical project management (experience)
  • The minimum salary for this position, according to the Austrian collective bargaining agreement, is EUR 3,954.00 per month for a full-time employment. Depending on professional experience and/or qualifications, your actual salary is intended to be significantly higher. (experience)

Responsibilities

  • You will install, configure, and maintain servers/VMs and Linux operating systems (Debian, Ubuntu, etc.).
  • You will use a configuration management and automation tool to manage servers, enforce system configurations, and automate repetitive tasks.
  • You will monitor system performance and uptime.
  • You will apply security patches and software updates.
  • You will troubleshoot and resolve hardware and software issues.
  • You will manage backups, disaster recovery, and data integrity.
  • You will support network infrastructure alongside the network administrators.
  • You will support databases alongside DBAs.
  • You will enforce security policies and compliance.
  • You will be handling on-call duty every couple of weeks.
  • You will install, configure, and maintain servers/VMs and Linux operating systems (Debian, Ubuntu, etc.).
  • You will use a configuration management and automation tool to manage servers, enforce system configurations, and automate repetitive tasks.
  • You will troubleshoot and resolve hardware and software issues.
  • You will manage backups, disaster recovery, and data integrity.
  • You will support network infrastructure alongside the network administrators.

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