Information Security Engineer

Ljubljana, Slovenia Full-time

We are looking for a hands-on, motivated engineer to join our team to help enhance our security posture and IT challenges across the organization. In this role, you will be working with technology, legal and business facing teams to help shape and improve the security and operability of our systems and services.


  • Access management. Employee provisioning and deprovisioning process and other IT activities related to HR processes. 
  • Work with third-party security assessment vendors.
  • Support compliance (SOC 2, GDPR, client questionnaires, ...) activities. 
  • Administration and tracking of SaaS systems (configuration, access control) across organization.
  • Help standardize and streamline global security and IT practices and company-wide security initiatives.
  • Help define and manage risks and incidents.
  • Setup and manage centralization of IT operations management of workstations and mobile phones.
  • Work with local IT help team on escalations and projects, such as managing and configuring office infrastructure (on site servers, video conferencing, etc.).

What do we expect?

  • Systematic, but also pragmatic attitude.
  • Understanding of cloud computing and security issues related to cloud environments.
  • Great troubleshooting skills and deep understanding of IT problem-solving techniques and methodologies.
  • Familiarity with
  • SSO systems & OAuth
  • Mac OS X, Windows and Linux
  • Experience with complex enterprise systems a-la Salesforce, NetSuite, etc.
  • Ability to manage multiple projects and tasks with a team or independently with great efficiency.
  • Time management skills and ability to prioritize workload.

What brings extra points?

  • Familiarity with G Suite administration.
  • Holistic understanding and knowledge of industry standard security regulations, policies, and procedures for information systems 
  • Experience with documenting processes and procedures, IT audits and standards like SOC2 or ISO 27001.
  • Experience with responding to security investigations and incidents.


About Celtra
Celtra is the Creative Management Platform for digital advertising. Brand and performance advertisers use our fully self-service platform to create, distribute and optimize the highest quality, data-driven ads at scale, across all channels and screens with great efficiency and control. We power the best video, native and rich media ads for 2/3 of Fortune 500 brands.

If you have an interest in a company who’s interested in both your wellness and your wallet (medical, dental, vision, parental leave, education, fitness, commuter, 401k... you get the picture), you should apply. Celtra is headquartered in Boston (MA), with offices in New York City, San Francisco, London (UK), and Ljubljana (SI). For more information, visit Celtra at or @CeltraMobile on Twitter.