Senior Cyber Security Engineer

Intellectica is recruiting a Senior Cyber Security Engineer on behalf of a publicly listed, international leader in regulated gaming. The company combines strong digital B2C expertise with long-standing leadership in regulated lottery, delivering lottery, iGaming, iLottery and sports betting solutions to partners worldwide. Based in Paiania, Attica, under a hybrid working model, the ideal candidate will be a senior hands-on member of the cyber security team, shaping how critical systems, networks, applications and data are protected, from architecture and tooling to detection, response and vulnerability management.

Ready to guard the platforms that millions of players trust every day?

We’ll be happy to hear from you!

Key activities and responsibilities of this role include:

Security Architecture & Engineering

• Lead the engineering, design and implementation of advanced security measures protecting systems, networks, applications and information assets
• Shape secure architectures across on-premise and cloud environments, embedding security-by-design and industry best practices into new and existing platforms

Security Platforms & SIEM

• Implement, administer and continuously optimize the core security stack, including EDR, WAF, PAM and email security, while managing the relationship with technology vendors
• Deploy and administer SIEM platforms, developing the detection use cases, correlation rules, dashboards and reports that give the organization real visibility over its threat landscape

Threat Detection & Incident Response

• Detect, investigate and respond to security threats and incidents, driving timely containment and recovery
• Lead root cause analysis and turn lessons learned into stronger controls, detections and processes

Vulnerability Management & Penetration Testing

• Oversee and actively participate in vulnerability management across infrastructure, applications and cloud; define remediation priorities and track closure with system owners
• Coordinate and guide penetration testing engagements, translating findings into clear, actionable reports for development teams and system owners

Collaboration & Mentoring

• Mentor and support colleagues, helping raise the technical depth and security maturity of the team
• Collaborate cross-functionally with IT, DevOps and business teams, acting as a trusted security advisor across the organization

Professional experience & qualifications of a successful candidate:

• University degree in Computer Science, Information Security or a related technology field
• 5+ years of proven, hands-on experience in the cyber security domain
• Deep hands-on expertise with security technologies: EDR, SIEM, WAF, PAM, CASB and vulnerability management tools
• Proven experience building SIEM detection content (use cases, correlation rules, dashboards)
• Strong experience in security architecture design and cloud security
• Deep expertise in cyber security incident handling, from investigation and containment to root cause analysis
• Solid understanding of penetration testing methodologies and experience coordinating testing engagements and remediation with technical teams
• Recognized cyber security certifications are strongly preferred, such as offensive (OSCP, GPEN, eWPT, eCPPT, CEH), defensive (SC-200, CySA+, BTL1) or cloud security (AZ-500)
• Background in regulated or high-transaction environments (e.g. gaming, banking, fintech, telecoms) is a plus
• Excellent command of Greek and English, both written and spoken

Core competencies of a successful candidate:

• Strong organizational and prioritization skills, with the ability to manage multiple projects simultaneously
• Excellent analytical and problem-solving skills, with a proven ability to assess risks, identify root causes and drive effective solutions
• Quality-driven mindset, focused on continuous improvement, innovation and the adoption of industry best practices
• Proactive and self-motivated, taking ownership and driving initiatives independently
• Strong communication and interpersonal skills, capable of building trust and influencing technical and business stakeholders
• Genuine commitment to integrity and security in a highly regulated, trust-driven industry

Apply now!

At Intellectica, we’re always excited to connect with talented professionals. If this role sounds like a strong fit for your profile, we’d love to hear from you. All applications are handled with complete confidentiality.