Senior Security Analyst – Managed Services

About the role

Cyderes is seeking a Senior Security Analyst to join its Managed Services team. You will lead deep‑dive investigations, map threats to the MITRE ATT&CK framework, and help clients improve their security posture.

Key responsibilities

• Provide overall guidance, instructions, and mentorship to other Security Analysts.
• Perform assessment and security investigations across endpoints, servers, and networks, delivering actionable recommendations.
• Coordinate incident investigations and conduct deep‑dive analysis on detected threats.
• Identify indicators of attack and compromise in alerts and investigation notes.
• Maintain full understanding of the MITRE ATT&CK framework and map custom use cases to tactics and techniques.
• Update documentation and runbooks to reduce repeatable alerts.
• Document recommendations and guidelines based on analysis results.
• Analyze raw log data for escalations through SIEM platforms.

Required profile

• 5+ years of progressive IT security experience, with a senior role in the last 3 years.
• Hands‑on experience with leading SIEM platforms such as Splunk, Microsoft Sentinel, or Chronical.
• Experience with EDR tools like Microsoft Defender, SentinelOne, or CrowdStrike.
• Advanced knowledge of SIEM query languages (KQL or SPL).
• Industry certifications such as Sec+, CEH, SC‑200, or Cloud Fundamentals.
• Proven experience in SOC and Incident Response activities.

Required skills

• SIEM platforms (Splunk, Microsoft Sentinel, Chronical)
• EDR tools (Microsoft Defender, SentinelOne, CrowdStrike)
• MITRE ATT&CK framework
• KQL and SPL query languages
• SOAR platforms (Siemplify, FortiSOAR)
• Phishing and email header analysis
• Basic scripting or development

What we offer

• Medical insurance for employee and dependents
• Life insurance coverage
• Retirement match program
• Hybrid work model (2–3 days in office)
• Maternity & paternity leave
• Paid time off (PTO, sick, casual)
• Bereavement & volunteer time
• Professional development reimbursement
• LinkedIn Learning platform access
• Mobile phone reimbursement