Security Engineer for Cybersecurity
First seen by Alion on Oct 6, 2026.
📍 Tallinn / Tartu, Estonia
We are looking for a Security Engineer to join our cybersecurity services team.
You will work closely with our clients to assess and validate their security posture, identify gaps, and recommend actionable improvements that bring their infrastructure in line with industry best practices, frameworks, and regulatory requirements. You will take ownership of your tasks day-to-day while collaborating with other team members on larger engagements.
Your main responsibilities will include
Communicating with clients and presenting findings and recommendations on various cybersecurity-related topics
Writing and updating technical documentation
Contributing to the planning and design of security architectures for client systems and applications
Developing and testing security methodologies and tools
Performing security testing and assessments in compliance with standards and security requirements
Providing security risk analysis for client systems and applications
As a successful candidate, you must have
2+ years of experience in the cybersecurity field (e.g. as a Security Engineer, Penetration Tester, System Administrator or similar)
Excellent organizational, planning and writing skills
Very good written and spoken skills in Estonian and English
A high level of responsibility and a systematic approach to your work
You will stand out by having any of the following:
Experience in penetration testing/red teaming
Experience in auditing (ISO, E-ITS etc.)
Experience with cybersecurity sales
Relevant higher education or information security certifications
Recognized contributions to the cybersecurity community (bug bounties, CVEs, open-source work, etc.)
We are offering
A variety of exciting cybersecurity-related projects
Opportunities to grow your skills in a supportive environment
Flexible working arrangements
Possibility to attend work-related conferences or trainings of your own choice
Wide range of company benefits (paid health days, sports allowance, massage in the office, different events etc)
Private office space in Tartu or Tallinn
Why you'll enjoy working at Cybernetica?
We value an atmosphere of learning, collaboration and proactive problem solving, paying great attention also to work-life balance.
Global impact 🌎
Work on tech used in Japan, UAE, the Bahamas and more than 30 other countries.Keep learning 🎓
Go to school while working. Learn new skills through paid seminars and conferences.Flexible office arrangement 💻
Home office, office office, remote office - choose your own location!Bonuses & compensations 💶
Compensation for tech gadgets & paid work travel expenses, hefty referral bonus.Sound mind & healthy body 👟
5 paid days off per year for either illness or mental health, sports compensation.Supportive team 👏
We have over 100 employees in both of our offices in Tallinn and Tartu.Sander Valvas, Head of Department
“We have crafted a culture in Cybernetica that is supportive, inclusive and equal.”