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James DennisJD

James Dennis

Security Operations Engineer II

$404/day
Dubai, AE
8-15 years

Average response time: 1 hour

About James

I help businesses strengthen their security posture by combining hands on SOC expertise, threat intelligence analysis, and proactive defense strategies. With experience supporting a UK government department and managing high stakes security operations, I know how to balance technical depth with clear communication to stakeholders.

What I bring to the table:

SOC Experience: Skilled in incident response, log analysis, and complex troubleshooting.

Threat Intelligence & Detection: Designed canary token deployments to detect unauthorized access attempts.

Security Operations & Defense: Built and reported on privileged access activities, ensuring compliance and actionable insights.

System & Infrastructure Security: Knowledge across Windows, Linux, Active Directory, and virtualization environments.

Crypto/Web3 Security Enthusiasm: Actively building expertise in blockchain, smart contract security, and DeFi threat models.

SKILLS
SIEM | EDR/XDR | Threat Intelligence | Scripting & Querying | Security Frameworks | Incident Response | Risk Assessment | Network & Application Analysis | Security Tooling | Detection Tuning | Microsoft Sentinel | Microsoft Defender | Crowdstrike | Virustotal | KQL | ISO 27001 | BEC Investigation | ISMS | Coaching | Reporting & Analytics | Cross-function Collaboration | Internal & External Stakeholder Management | Project Management
  • English

    Native or bilingual

Can work on-site
Dubai (up to 50km)

Experience

  • Microsoft Corporation
    Security Engineer II
    April 2023 - Today (3 years and 2 months)
    London, UK
    Led advanced threat hunting operations for critical healthcare infrastructure
    • Advanced Threat Hunting Leadership: Conducted proactive threat hunting across Microsoft's AI-powered healthcare environments, utilizing advanced SIEM analytics and threat intelligence correlation to identify sophisticated threats and APTs before impact
    • Senior Incident Response: Led complex security incident investigations for high-value government client (HMRC), conducting detailed kill chain analysis and implementing MITRE ATT&CK framework methodologies to trace attack progression and implement containment strategies
    • Custom Detection Development: Designed and implemented advanced KQL queries and detection rules in Microsoft Sentinel, creating custom analytics that improved threat detection capabilities by 40% while reducing false positive rates by 60%
    • Threat Intelligence Analysis: Conducted comprehensive threat intelligence assessments, correlating IOCs across multiple sources and providing strategic recommendations that enhanced proactive defense capabilities and threat visibility
    • Security Operations Leadership: Represented SOC team in executive briefings and cross-functional security meetings, providing expert analysis of threat landscapes and driving continuous improvement in security operations processes
    • Advanced Analytics Implementation: Deployed sophisticated detection mechanisms including canary tokens and deception-based controls, establishing advanced threat detection capabilities across critical infrastructure environments
    • Junior Analyst Mentorship: Provided technical guidance and knowledge transfer to junior security team members during complex investigations, ensuring skill development and operational excellence across security operations
    Threat Hunting Cybersecurity Sentinel Engineering Implementation
  • Arqit Quantum Encryption
    CSOC Security Analyst
    April 2022 - March 2023 (11 months)
    London, UK
    • Advanced Security Analysis: Conducted sophisticated threat analysis of critical applications using advanced toolsets (Process Explorer, Nmap, Burp Suite), performing deep-dive investigations to identify potential security threats and attack vectors
    • Threat Detection & Investigation: Led comprehensive security assessments and threat hunting activities, analyzing network connections, system processes, and application behaviors to detect advanced persistent threats and malicious activity
    • Security Operations Process Improvement: Developed and implemented enhanced security assessment procedures and threat detection methodologies, improving overall security posture and threat identification capabilities
    • Technical Reporting & Analysis: Produced detailed threat analysis reports and security assessments for leadership, providing actionable intelligence and strategic recommendations for security operations enhancement
  • Cyberclan/Cyjax
    SOC Analyst
    August 2019 - December 2021 (2 years and 4 months)
    London, UK
    • 24/7 Security Operations: Round-the-clock security monitoring and incident response operations, analyzing an average of 100+ security events monthly using advanced SIEM platforms and threat intelligence feeds
    • Advanced Incident Investigation: Conducted sophisticated cybersecurity investigations including Business Email Compromise (BEC) cases, utilizing Hawk PowerShell and forensic analysis techniques to trace attack sources and identify compromise indicators
    • Threat Intelligence Correlation: Analyzed complex security events to identify intrusions, malicious activity, and advanced persistent threats, correlating IOCs across multiple intelligence sources to enhance threat detection accuracy
    • Client Communication & Escalation: Managed security incident communications with enterprise clients, providing detailed technical analysis and coordinating response activities while maintaining SLA compliance and customer satisfaction

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Education

  • Bachelor of Science
    University of West London
    2015
    Bachelor of Science

Skill set

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