📍 Location: Gerakas, Attica
🔐 Role: Security Operations Engineer
🏢 Company: Circet Hellas
🔹 Who We Are
Circet Hellas is part of the Circet Group, Europe’s leading provider of telecom engineering services. We design, build, and maintain next-generation telecommunications networks that enable connectivity across Europe.
As our digital and cloud footprint continues to grow, cybersecurity plays a critical role in protecting our people, systems, and operations. We are looking for a Security Operations Engineer to strengthen our security operations at our Headquarters in Gerakas.
🎯 Your Role
As a Security Operations Engineer, you will be a key contributor to day-to-day security operations in a hybrid Cloud & Microsoft 365 environment.
Your focus will be on detection, analysis, and incident response, working closely with internal IT teams and an external 24/7 Security Operations Center (SOC). The role combines hands-on technical work with collaboration, documentation, and continuous security improvement.
🔧 What You Will Do
🔍 Monitoring & Detection
- Ensure continuous monitoring of security controls and platforms
- Detect, analyze, and qualify suspicious or malicious activities
- Maintain effective detection capabilities with a low false-positive rate
🚨 Alert Analysis & Triage
- Assess and prioritize security alerts based on risk and business impact
- Qualify incidents and provide clear, actionable diagnostics
- Escalate incidents appropriately to the SOC or relevant IT teams
🛡️ Security Incident Response
- Actively contribute to security incident response activities
- Support containment, mitigation, and remediation actions
- Coordinate incident handling with the 24/7 SOC and internal stakeholders
🔁 Security Posture & Continuous Improvement
- Contribute to security hardening and configuration improvements
- Improve detection rules and operational security controls
- Leverage incident feedback to strengthen overall security posture
📝 Documentation & Reporting
- Document incidents, actions, and lessons learned clearly
- Contribute to concise, risk-focused security reporting
☁️ Microsoft 365 Security
- Support the secure operation of Microsoft 365 environments
- Monitor and analyze security alerts related to identity, email, and collaboration
- Participate in Microsoft 365 security incident response
- Support configuration hardening and continuous control improvement
- Contribute to awareness initiatives around identity and email-based threats
🤝 Collaboration & Governance
- Work closely with Support, Infrastructure, Cloud, and Digital teams
- Interface with the 24/7 SOC and security partners
- Participate in incident simulation and tabletop exercises
- Contribute to security procedures, runbooks, and group governance frameworks
🧠 Security Environment
You will work across a modern security stack including:
- Azure Cloud & on-prem environments
- Endpoint & workload protection (EDR / XDR)
- SIEM & detection platforms
- Microsoft 365 security stack
- ZTNA, Secure Web Gateway, DLP
- Threat intelligence services & 24/7 SOC collaboration