Junior Information Security Engineer

Ciklum is looking for a Junior Information Security Engineer to join our team full-time in the Czech Republic.

We are a custom product engineering company that supports both multinational organizations and scaling startups to solve their most complex business challenges. With a global team of over 4,000 highly skilled developers, consultants, analysts and product owners, we engineer technology that redefines industries and shapes the way people live.

About the role:

As a Junior Information Security Engineer, become a part of a cross-functional development team engineering experiences of tomorrow. 

The Security Engineer is responsible for identifying, analyzing, and addressing security vulnerabilities across systems, networks, and cloud infrastructure.  The role includes assessing risks, implementing remediation, and ensuring a strong security posture.

Responsibilities:

• Support the implementation of our open-source security stack (Wazuh, OpenSearch, Suricata, Zeek)
• Help set up ingestion pipelines (GCP sinks, Vision One, Entra/M365, servers, network sensors)
• Assist in tuning detections, Sigma rules, dashboards and alert workflows
• Perform CVE analysis and help prioritise vulnerabilities, update DefectDojo and follow remediation
• Run scans using OpenVAS, Trivy/Grype, OpenSCAP/Lynis and collect results
• Assist with integrating threat intel platforms (MISP, OpenCTI)
• Support automation tasks (StackStorm/Shuffle), ticket creation and enrichment steps
• Maintain asset/owner information in GLPI/Snipe-IT/NetBox
• Document procedures, pipelines, detections and playbooks
• Help with log analysis, alert investigation and summarising findings
• Coordinate with engineering/cloud teams on tasks delegated to you

Requirements:

• 3+ years experience in cybersecurity, cloud security or SOC work
• Familiarity with open-source security tools (Wazuh, Suricata, Zeek, OpenSearch)
• Good understanding of CVEs, CVSS, EPSS and vulnerability management processes
• Hands-on experience with GCP basics (IAM, Compute, VPC, Logging)
• Experience with EDR/XDR platforms (Trend Micro Vision One preferred)
• Able to interpret logs/alerts and summarise actionable information
• Basic experience with vulnerability scanners (OpenVAS, Trivy, OpenSCAP/Lynis)
• Comfortable working with detection formats (JSON/YAML/Sigma, regex, log queries)
• Good communication and documentation skills
• Able to execute tasks independently after guidance

• Nice-to-have: Python/Bash, Terraform basics, BigQuery familiarity 

  Tools/Tech:

• Wazuh, OpenSearch, Suricata, Zeek
• OpenVAS/Greenbone, Trivy/Grype, OpenSCAP/Lynis
• DefectDojo
• MISP, OpenCTI
• StackStorm, Shuffle
• GLPI, Snipe-IT, NetBox
• GCP (IAM, Compute, VPC, Logging)
• Trend Micro Vision One
• Jira/ServiceNow
• Python, Bash (optional)
• Terraform basics (optional)

Personal skills:

• Language: good English, knowledge of German is an advantage
• Analytical: Strong problem-solving and risk assessment abilities.
• Detail-Oriented: Thorough in identifying and addressing vulnerabilities.
• Collaboration: Strong communication skills for cross-team collaboration

What`s in it for you?

• Strong community: Work alongside top professionals in a friendly, open-door environment
• Growth focus: Take on large-scale projects with a global impact and expand your expertise
• Tailored learning: Boost your skills with internal events (meetups, conferences, workshops), Udemy access, language courses, and company-paid certifications
• Endless opportunities: Explore diverse domains through internal mobility, finding the best fit to gain hands-on experience with cutting-edge technologies
• Care: We've got you covered with company-paid medical insurance, mental health support, and financial & legal consultations
• Flexibility: Balance office and remote work to fit your rhythm
• Our Offices in the Czech Republic: We have three offices in Prague, Hradec Králové, and Zlín. There are no fixed office days—it all depends on your team's agreement. Here, you'll find a relaxed and friendly atmosphere that fosters collaboration and innovation

About us:

At Ciklum, we are always exploring innovations, empowering each other to achieve more, and engineering solutions that matter. With us, you'll work with cutting-edge technologies, contribute to impactful projects, and be part of a One Team culture that values collaboration and progress.
With delivery centers in Prague, Hradec Králové, and Zlín, our Czech team delivers end-to-end solutions across industries. Here, innovation thrives through collaboration, and every idea drives our partners' success.

Want to learn more about us?

Follow us on Instagram, Facebook, LinkedIn, stop by one of our IT meetups Nalejvárna.

Explore, empower, engineer with Ciklum

Interested already? We would love to get to know you Submit your application. We can't wait to see you at Ciklum.