Information Security Engineer 

Ljubljana, Slovenia | Product Development | Full-time


Celtra is seeking a hands on, tech savvy and motivated Information Security Engineer who will help enhance our security posture and IT challenges across organization. He/she will be supporting the execution of broader security plans to address existing vulnerabilities. 

This role will report directly to our CTO and work closely with our Product Development team, and be a part of  building an information security practice that will allow the company to scale with limited security and data issues.


  • Computer emergency and security response, analysis, resolution and communications
  • Information privacy, including Identity and access management
  • Support Information regulatory compliance activities 
  • Work with third party security assessment vendors that do information security audits. 
  • Access management. Employee provisioning and deprovisioning process and other IT activities related to HR processes. 
  • Setup and manage centralization of IT operations management of workstations and mobile phones.
  • Supporting the communication of information security goals and new programs effectively with other department managers within the organization.
  • Work with local IT help teams on escalations and projects, such as manage and configuring office infrastructure (on site servers, video conferencing, etc.) 


  • Bachelor’s in computer science, computer engineering or a related field or equivalent experience
  • Passion to develop and execute quality control compliance programs within information security areas with experience and solid knowledge of IT-related processes
  • Ability to manage multiple projects and tasks with a team or independently with great efficiency.
  • Great troubleshooting skills and some understanding of IT problem-solving techniques and methodologies.
  • Skilled at creative problem solving and breaking problems into achievable parts  


About Celtra

We are a hi-growth AdTech company with 180+ employees around the globe with offices in Boston, New York, San Francisco, London, Ljubljana and Singapore. Celtra is self-service enterprise software for automating and scaling creative production. Celtra enables creative and marketing teams to design, approve, and deliver digital creative across the ever growing number of channels, ad formats, variations, and markets. Companies like VICE, Unilever, Lululemon, CNN, and Hearst partner with Celtra to cut production costs while increasing efficiencies and output in the cloud.

Here it’s all about looking beyond the surface, beyond the numbers, and really trying to see the qualities that are at the core of the person, their talents; the discovered ones or better still, the undefined ones. We look for people who naturally want to take responsibility for their own success, and strive to do something that has a tangible impact. To our best talent, we give the freedom to do the unusual.

We take good care of our people. 

  • We offer a competitive benefits and compensation package
  • We place great importance on the professional development of our employees 
  • We provide employees with top notch working equipment 
  • We provide work-life benefits that allow flexibility at different stages of life
  • We offer a dynamic workplace and quality working conditions 
  • We provide plenty opportunities for employees seeking a more active lifestyle