Senior Cyber Security Engineer

Actionline Ltd.· O-HDN011
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📍 Athens, Attica, GreeceFull time

About this role

🏢 About Actionline

Actionline is a Greek company specializing in innovative Human Resources and Recruitment solutions since 2011. On behalf of our client, a leading company in the Energy sector, we are seeking an experienced Senior Cyber Security Engineer to join a dynamic and highly skilled team.

📌 Location: Athens
🏢 Industry: Energy
💼 Employment Type: Full-time
💻 Department: Cyber Security
📍 Work Model: On-site / Hybrid (depending on project requirements)

🎁 What We Offer

Join a leading organization that invests in technology, innovation, and people.

🔹 Competitive salary package
🔹 Continuous training and professional development
🔹 Exposure to cutting-edge Cyber Security technologies and solutions
🔹 Opportunity to work with global vendors and industry leaders
🔹 Modern and collaborative working environment
🔹 Participation in large-scale Cyber Security projects

🔎 Key Responsibilities

  • Optimize Security Architecture: Maintain, configure, and upgrade our security infrastructure and monitoring systems.
  •  Lead Technical Deployments: Coordinate with external vendors and partners to successfully deploy and integrate new security software.
  • Support DevOps & IT Teams: Partner with devops team and system administrators to build security controls into databases, cloud, and applications.
  • Vulnerability & Threat Management: Assess security gaps, prioritize remediation efforts based on risk, and implement hardening measures.
  • Advance Threat Detection: Evolve our monitoring capabilities to accelerate threat detection and response times.
  • Guidance & Mentorship: Provide technical guidance and share cyber security best practices with junior team members.
  • Research Innovation: Keep pace with the evolving threat landscape and evaluate new defensive technologies.

✅ Qualifications & Experience

  • Proven Track Record: 8+ years of professional experience in IT security roles or dedicated security engineering.
  • Tool Proficiency: Solid background managing defense systems like SIEM, WAF, XDR/EDR, Email Security, and Data Activity Monitoring (DAM). Proven experience on managing security solutions on Azure.
  • Core Competencies: Deep understanding of data protection, identity management (IAM), and endpoint security strategies.
  • Vendor Operations: Experience managing relationships and deliverables with technology vendors.
  • Problem-Solving Skills: Strong analytical mindset with a track record of troubleshooting complex security incidents.
  • Academic Background: Degree in Cyber Security, Computer Science, or an equivalent field (Master’s degree is a plus).

✅ Preferred Attributes

  • Industry Credentials: Professional certifications such as Security+, CC, AZ-500, SC-200, or BTL1.
  • Cloud & DevOps Knowledge: Understanding of cloud environments, DevSecOps principles, and securing CI/CD pipelines.
  • Enterprise Background: Experience utilizing enterprise-grade tools within global corporate structures.

🎯 Personal Skills

  • Strong troubleshooting and problem-solving skills
  • Self-motivation and proactive mindset
  • Ability to prioritize and manage multiple tasks simultaneously
  • Strong collaboration and teamwork skills
  • Excellent communication abilities
  • Flexibility and adaptability in a fast-paced environment
  • Ability to work independently with minimal supervision
  • Continuous improvement and quality-oriented mindset

🚀 Ready to take the next step in your Cyber Security career?

📩 For more information, contact us at 4u@actionline.gr or 📞 210 3637822

Frequently Asked Questions

Is the salary disclosed for the Senior Cyber Security Engineer position at Actionline Ltd.?
The salary for this Senior Cyber Security Engineer role at Actionline Ltd. is not publicly listed. Click "Apply Now" to learn more about the compensation package on their official careers page.
Where is the Senior Cyber Security Engineer position at Actionline Ltd. located?
This Senior Cyber Security Engineer role at Actionline Ltd. is based in Athens, Attica, Greece. The position is listed as on-site or hybrid. Check the full job description or apply directly to confirm the work arrangement.
Is the Senior Cyber Security Engineer role at Actionline Ltd. full-time or part-time?
This is listed as a Full time position. It is posted as a Senior Cyber Security Engineer role in the O-HDN011 department at Actionline Ltd..
Which team or department does the Senior Cyber Security Engineer at Actionline Ltd. belong to?
This Senior Cyber Security Engineer position is part of the O-HDN011 department at Actionline Ltd.. See the full job description for more information about the team structure and responsibilities.
How do I apply for the Senior Cyber Security Engineer position at Actionline Ltd.?
Click the "Apply Now" button on this page. You will be redirected to Actionline Ltd.'s official application portal hosted on workable where you can submit your application directly.
When was the Senior Cyber Security Engineer job at Actionline Ltd. posted?
This Senior Cyber Security Engineer position at Actionline Ltd. was posted on Jun 18, 2026. Apply as soon as possible — early applications are often reviewed first.
Senior Cyber Security Engineer
Actionline Ltd.
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