Cyber Security Specialist

Ajax Systems is a full-cycle company working from idea generation and R&D to mass production and sales. We create security solutions for residential and commercial properties, with a portfolio of 280+ devices across intrusion protection, video surveillance, fire safety, and automation. The whole team is in one office in Kyiv, all technical and product decisions are made locally.

We are looking for a hands-on Cyber Security Specialist to strengthen our security posture and operational resilience. You will be at the forefront of our defense, responsible for real-time incident monitoring, the deployment of security technologies, and ensuring our corporate infrastructure meets rigorous compliance standards. If you are passionate about building secure systems and translating technical findings into actionable mitigation actions and strategies, this role is for you.

Key Responsibilities:

• Security Monitoring & Incident Response: Conduct real-time monitoring and detected events triage. Develop and refine SIEM detection rules, investigate anomalies, and execute rapid response actions to neutralize threats;
• Security systems support and improvements: Manage the full lifecycle of security systems—from design and deployment to enhancement and ongoing technical support;
• Conduction Security Assessments: Conduct thorough security assessments of corporate IT systems to identify vulnerabilities. Proactively suggest and implement mitigation measures;
• Compliance & Governance: Draft and maintain security procedures, policies, and operational instructions. Participate in the improvement of corporate processes to ensure ongoing compliance with industry security standards (e.g., ISO 27001, SOC2);
• Consultancy & Support: Partner with internal teams to define security requirements for new systems and solutions, provide expert guidance on implementing security controls;
• Reporting & Strategy: Translate security assessment results, technical findings, and investigation outcomes into clear, actionable reports and presentations for management and key stakeholders
  
  
  

Required Technical Skills & Qualifications:

• Experience: 3+ years in Information Security with a strong focus on SOC operations and security system implementation;
• Core Proficiency: Hands-on experience with some of the following SIEM solutions (Splunk/QRadar/Logsign/Wazuh), EDR/XDR (Crowdstrike/SentinelOne/ESET), Cloud security monitoring solutions (M365, GWS, AWS), and Firewall/WAF technologies (Cisco/PaloAlto/Fortinet);
• Domain Knowledge: Strong understanding of On-Premise and Cloud architectures, network protocols, and industry security best practices;
• Security assessment: Practical experience performing systems security assessments and implementing remediation strategies;
• Security governance: Experience on preparation of security reports, procedures and instructions to support management reporting and audit readiness
• Language Proficiency: Intermediate (B1) English level required for working with technical documentation, cross-regional communication, and audit participation
  
  
  

Preferred Skills & Certifications:

• Certifications: Vendor-specific security certifications (e.g., Palo Alto PCNSE, Fortinet NSE) are highly valued
• Security frameworks: Practical experience implementing ISO 27001 controls and applying industry security best practices
  
  
  

We offer:

• The opportunity to share and implement your own ideas that could improve corporate security posture;
• Work with a motivated team and an environment with a zero-bullshit culture;
• Competitive salary;
• Medical insurance;
• Corporate English classes;
• Compensation for professional training;
• The chance to take part in beta testing of Ajax security systems — receive and test new devices before their release
  
  
  

Ajax Systems is a Ukrainian success story, a place of incredible strength and energy.

Join us in making Made in Ukraine 🇺🇦 synonymous with reliability.

We may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses. These tools assist our recruitment team but do not replace human judgment. Final hiring decisions are ultimately made by humans. If you would like more information about how your data is processed, please contact us.