Ajax Systems

European security systems maker, smart homes

Cyber Security Specialist

Security Engineering & Architecture +1Confirmed live in the last 24 hours

Full-timeNo salary listed

About the Job

Requirements

At least 5 years of cybersecurity experience, with a strong focus on security operations center operations and security systems implementation.
Hands-on experience with security information and event management systems such as Splunk, QRadar, Logsign, or Wazuh; mobile device management solutions such as Jamf, CrowdStrike, JumpCloud, or Zoho; endpoint detection and response or extended detection and response solutions such as SentinelOne, ESET, or Defender; cloud security monitoring for Microsoft 365, Google Workspace, or AWS; and firewall or web application firewall technologies such as Cisco, Palo Alto, Fortinet, or Ubiquiti.
Strong understanding of on-premises and cloud architectures, network security protocols, endpoint security, and application security.
Practical experience implementing security best practices and frameworks including CIS, OWASP, and NIST.
Practical experience conducting IT systems and application security assessments and preparing reports.
Experience preparing security reports, procedures, and operational instructions.
Practical knowledge of implementing ISO 27001 technological controls.
Intermediate English proficiency (B1–B2) for working with technical documentation and communicating across regions with colleagues and partners.

Responsibilities

Participate in improving security architecture and support the full lifecycle of security systems, from design and deployment through enhancement and technical support.
Improve security monitoring processes and practices; monitor and triage security events; develop and refine SIEM detection rules; investigate anomalies and identify incident root causes; and develop and execute mitigation plans to neutralize threats.
Conduct technical security assessments of corporate IT systems to identify compliance deviations and vulnerabilities; participate in risk assessments and in designing and implementing mitigation measures.
Help improve security procedures, policies, and operational instructions; collaborate with stakeholders to implement and improve security processes and prepare for external security audits such as ISO 27001 and SOC 2.
Partner with internal teams to define security requirements for new systems and solutions and provide expert guidance on implementing security controls.
Participate in processing security requests and preparing and conducting security awareness training.
Participate in preparing reports for management and defining and describing security strategy.

Desired Qualifications

Vendor-specific security certifications, such as Google, Microsoft, Cisco, Palo Alto PCNSE, or Fortinet NSE.
Practical knowledge of implementing ISO 27001 organizational controls.

Ajax Systems is an international technology company and the largest security systems manufacturer in Europe. Ajax products are trusted by more than 4.5 million end users and 330,000 PRO users across over 180 countries. The company offers comprehensive solutions for protecting residential and commercial properties of various sizes. Today, the Ajax portfolio includes 280 devices for intrusion protection, video surveillance, fire safety, and comfort and automation. Every year, we demonstrate exponential growth both in the size of our team and in the number of users worldwide.

Ajax Systems operates a full-cycle production model, from idea generation and prototyping to mass production and global sales. Each department fully covers a specific operational need of the business. The company’s specialists are involved at every stage — from the production line in Ukraine to the logistics center in Poland, from where products are shipped to distributors worldwide.

Now 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 cybersecurity defense, responsible for incident monitoring and investigation, the deployment and improvement of security solutions, and ensuring our corporate processes and infrastructure meets compliance standards. If you are passionate about building secure systems, incidents investigation and translating technical findings into efficient mitigation actions, this role is for you.

Key Responsibilities:

Security systems support and improvements: Participate in security architecture improvement, provide support for the full lifecycle of security systems — from design and deployment to enhancement and technical support.
Security Monitoring & Incident Response: Improve security monitoring processes and practices, participate in security events monitoring and triaging detected events. Develop and refine SIEM detection rules, investigate anomalies and identify root-cause of incidents, develop and execute mitigation plans to neutralize threats.
Conduction Security Assessments: Conduct technical security assessments of corporate IT systems to identify compliance deviations and vulnerabilities. Participate in risks assessments, mitigation measures design and implementation.
Compliance & Governance: Participate in improvement of security procedures, policies, and operational instructions. Collaborate with stakeholders on security processes implementation and improvement to ensure readiness for external security audits (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. Participate in security requests processing, security awareness trainings preparation and conduction.
Reporting & Strategy: Participate in preparation of reports for management, definition and description of security strategy.

Required Technical Skills & Qualifications:

Experience: 5+ years in CyberSecurity with a strong focus on SOC operations and security systems implementation.
Core Proficiency: Hands-on experience with SIEM systems (Splunk/QRadar/Logsign/Wazuh), MDM solutions (Jamf/Crowdstrike/JumpCloud/Zoho), EDR/XDR solutions (SentinelOne/ESET/Defender), Cloud security monitoring (M365, GWS, AWS), and Firewall/WAF technologies (Cisco/PaloAlto/Fortinet/Ubiquiti).
Domain Knowledge: Strong understanding of On-Premise and Cloud architectures, network security protocols, endpoint and application security. Practical experience in industry security best practices implementation (CIS, OWASP, NIST).
Security assessment: Practical experience performing IT systems and application security assessments and reports preparation.
Security governance:Experience in preparation of security reports, procedures and instructions for reporting. Practical knowledge of ISO 27001 technological controls implementation.
Language Proficiency: Intermediate (B1-B2) English level required for working with technical documentation, cross-regional communication with colleagues and partners.

Preferred Skills & Certifications:

Certifications: Vendor-specific security certifications (e.g., Google, MIcrosoft, Cisco, Palo Alto PCNSE, Fortinet NSE) are highly valued.
Frameworks:Practical knowledge of ISO 27001 organizational controls implementation.

Why Join Us:

Impact: Take ownership of security projects from concept to deployment.

Culture: Work in a "zero bullshit" environment that values technical excellence and autonomy.

Growth: Access to corporate English training and professional development/certification support.

Health care: medical insurance.

Beta Access: Get hands-on experience with new Ajax security systems before they reach the market.

Innovation: Help shape the future of "Made in Ukraine" reliability.

About the Company

Ajax Systems

European security systems maker, smart homes

Ajax Systems designs and manufactures security systems for homes and businesses, focusing on products that integrate smart home capabilities. The company produces security hardware such as sensors and alarms that can work together as a system, usually managed through a centralized platform. Distinguishing factors include its European manufacturing base and specialization in security systems with smart home integration, catering to customers who want connected and remotely manageable protection. The goal is to provide reliable security solutions that combine traditional protection with smart, networked features for easier monitoring and control.

Company size: 1,001-5,000
Company stage: Late Stage VC
Total funding: $11M
Headquarters: Kyiv, Ukraine
Founded: 2011

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