Sr Security Engineer; SOC​/Cloud Security

Sr Security Engineer (SOC / Cloud Security)

Location: Las Vegas, NV (Hybrid – 3 days onsite)

Type: Direct Hire

Schedule: Flexible hours (early start or swing shift options available) + rotating on-call

Industry: Enterprise / Property Management

Fusion HCR is seeking a Sr Security Engineer to join a growing Security Operations team within a highly cloud-centric environment. This role is ideal for a senior-level engineer with strong SOC and incident response experience who can take a lead role in investigating, triaging, and resolving complex security events. This is a hands‑on, high‑impact role supporting a fast‑paced environment with high alert volumes.

The ideal candidate brings strong critical thinking skills, thrives in ambiguity, and can independently drive security incidents from detection through resolution while helping improve tooling, processes, and response capabilities.

• Lead and support incident response activities across a high‑volume alert environment (100–200+ alerts/day)
• Act as an escalation point for complex security events and lead forensic investigations
• Perform deep‑dive analysis on threats including phishing, account compromise, and advanced attack patterns
• Drive root cause analysis and provide detailed incident reporting and documentation

• Monitor, analyze, and improve SIEM and alerting systems
• Tune alerts, reduce false positives, and improve overall detection quality
• Support development of automation and response playbooks
• Enhance threat hunting capabilities across cloud and endpoint environments

• Support and secure a cloud‑first environment (Azure / M365)
• Administer and optimize tools such as:
  • Microsoft Defender suite
  • M365 Security tools
  • SIEM platforms (Insight
    
    IDR, Sentinel, or similar)
• Assist in cloud risk management and security posture improvements

• Develop and maintain security dashboards and KPIs (Power BI, Jira, etc.)
• Track SLA performance and drive improvements in incident response times
• Contribute to building and refining security processes and frameworks

• Partner with architects, engineers, and IT teams on security design and implementation
• Participate in infrastructure and application projects to ensure secure architecture
• Mentor junior analysts and engineers as needed

• 7+ years of experience in Information Security, with strong focus in SOC / Incident Response
• Hands‑on experience in:
  • Security incident management and investigation
  • SIEM tools and alert management
  • Endpoint and email security (Defender, M365, etc.)
  • Strong experience in cloud security (Azure preferred)
• Deep understanding of:
  • Phishing and social engineering attacks (including executive targeting)
  • Threat detection and response methodologies
• Proven ability to critically think through complex security issues and act independently
• Strong communication and documentation skills

• Experience with Rapid7 (Insight
  
  VM, Insight
  
  IDR) or similar platforms
• Experience with SIEM optimization, automation, and tuning
• Certifications such as CISSP, Azure Security, or equivalent
• Experience working in high‑volume SOC environments