SOC Detection & Response Specialist developing SIEM detections, SOAR playbooks, and incident-response workflows. Supporting Sopra Steria’s consulting, digital services, and software-development clients.
Responsibilities
Develop, test, and fine-tune detection rules for SIEM and security monitoring platforms, including Microsoft Sentinel and Palo Alto
Create and document security use cases to detect cyber threats based on MITRE ATT&CK techniques
Design and implement incident investigation and response processes
Build automation playbooks using SOAR tools to improve incident response efficiency
Collaborate with SOC analysts to refine alert tuning and reduce false positives
Perform threat modeling and intelligence-driven detection to proactively identify threats
Work with customers and internal teams to define SOC workflows and escalation procedures
Evaluate log sources and data ingestion strategies to enhance security visibility
Stay up to date with the latest threats, vulnerabilities, and attack techniques
Provide guidance on log source onboarding, parsing, and correlation for improved detection coverage
Requirements
3+ years of hands-on experience in a SOC, Threat Detection, or Incident Response role
Expertise in SIEM platforms (e.g., Microsoft Sentinel, Splunk, QRadar, Elastic Security)
Experience writing custom detection rules using KQL, SPL, Sigma, or other query languages
Strong knowledge of cyber threat detection, attack techniques (MITRE ATT&CK), and security event analysis
Experience with SOAR platforms (e.g., Microsoft Sentinel Playbooks, Palo Alto XSOAR, Splunk SOAR) for automation
Familiarity with log sources (firewalls, EDR, IAM, cloud logs, etc.) and how to build detections based on them
Knowledge of incident response frameworks (NIST, SANS, etc.) and how to structure response processes
Bachelor's degree in Information Technology or a related field (or equivalent experience)
English required
Excellent interpersonal, communication, and listening skills
Scripting skills (Python, PowerShell, Bash) are a plus
Certifications such as Microsoft Security, Palo Alto XSIAM, or equivalent certifications are a plus
Benefits
Comprehensive group benefits plan: life insurance, long-term disability, healthcare, dental, vision, and a health spending account to promote health and wellness (Sopra Steria covers 100% of premiums)
Paid statutory holidays, sick days, personal days, as well as 3 weeks of vacation
Monthly transportation allowance
Hybrid work environment
Company equipment to help you work efficiently
A friendly, collaborative, and inclusive culture
Phenomenal career progression opportunities
Excellent training and development opportunities
Encouragement to develop your skills in a supportive and friendly environment
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