Security Analyst

Who we are and what we do
NN's CDC Core team keeps our business and customers safe. We monitor and analyze cyber-security alerts around the clock and react swiftly to any suspected threats. As we grow, we're looking for an experienced Level 2 Security Analyst, someone already succeeding in a similar role, who can bring fresh ideas, mature skills and immediate added value to our team.

What you will work on
You'll independently handle daily cyber-security operations, safeguarding NN's environment and ensuring we stay one step ahead of adversaries.

• ​Be a key member of our frontline cyber-security team, detecting and responding to advanced threats across NN's global environment

• ​Own the end-to-end triage and investigation of security incidents, initiating and driving incident response actions with minimal supervision

• ​Maintain and continuously improve our detection logic, playbooks and internal process documentation, sharing lessons learned with the broader team

• ​Collaborate with infrastructure, cloud and application teams, building strong relationships and delivering expert security guidance

• ​Support and mentor junior analysts during complex investigations, raising the overall capability of the SOC

• ​Assist with maintenance and fine-tuning of our SIEM, EDR, NDR, UBA and IDS/IPS tooling, working closely with senior engineers

• ​Contribute proactively to ad-hoc security projects, purple-team exercises and technology upgrades

What we're looking for
We need a proven Security Analyst who can hit the ground running and elevate our detection and response maturity from day one.

• ​2–4 years of hands-on SOC experience (or similar blue-team role) with demonstrable incident response success

• ​Solid grasp of ISO/OSI layers, TCP/IP networking, Windows/Linux internals and Active Directory security

• ​Working knowledge of security frameworks such as Cyber Kill Chain and MITRE ATT&CK, and the ability to apply them during investigations

• ​Proficiency with modern SOC tooling—e.g., Splunk, Microsoft Sentinel, Defender, CrowdStrike, Darktrace, Suricata, etc.

• ​Ability to craft hypotheses, hunt for threats and validate findings using SIEM queries, EDR telemetry and packet analysis

• ​Clear, concise communicator who builds trust with technical and non-technical stakeholders

• ​Scripting familiarity (Python, PowerShell or Bash) and a continuous-improvement mindset are strong pluses

• ​Bachelor's degree in Computer Science, Cyber Security, or related technical field (or equivalent practical experience)

Perks of joining NN

• We operate in a hybrid way. Most of the time you can work from home, but the team meets in the office at least once a week. NN will contribute to your HO expenses. However, during the probation period it would be better to be in the office more frequently to make onboarding easier.

• Enjoy 5 weeks of vacation, 5 well-being days, extra paid time off for personal events, and a volunteering day.

• On top of your salary, you'll get a meal allowance, up to CZK 20,000 in Cafeteria benefits, a MultiSport card option, pension contributions, and a discount on life insurance.

• We support your growth with personalized professional training.

• Get up to CZK 60,000 for referring new colleagues.

• You'll get a business laptop and an iPhone with a paid O2 plan.

How does our hiring process work?

What happens after you hit "Apply"? First, our team will carefully review your CV to see how your skills and ambitions line up with the role. If there's a good match, Veronika from HR will get in touch to arrange a brief technical pre-screen, where you'll chat with a couple of seniors. Should everyone feel the chemistry, we'll invite you to a longer - yet still meaningful - interview. In that session you'll meet the team manager and Veronika, and you'll dive a bit deeper into technical topics. If everything clicks on both sides, that's it - we'll be thrilled to welcome you aboard