Senior Cloud Threat Detection Engineer (AWS & GCP)

The Hartford; Hartford (CT); Hybrid; USD 128,000 - 193,000; Full time

Job summary

The Hartford is seeking a Senior Security Engineer focused on cloud threat detection to design, build, and optimize detections across AWS and Google Cloud. You will integrate cloud telemetry into Splunk SIEM and collaborate with Cloud Operations, Incident Response, and SOC teams to strengthen cloud security monitoring.

Ideal candidates have hands‑on experience with AWS GuardDuty, CloudTrail, SCC, and cloud logging services, and can map detections to MITRE ATT&CK.

Qualifications

• 5+ years of cybersecurity experience with direct involvement in security operations, incident response, threat detection, or detection engineering.
• Hands‑on operational experience securing AWS and Google Cloud Platform environments.
• Strong knowledge of AWS security services and GCP security services.
• Experience developing and tuning enterprise SIEM detections using cloud telemetry.
• Experience integrating cloud‑native security tools and log sources into enterprise security monitoring platforms such as Splunk Enterprise Security, Microsoft Sentinel, QRadar, Cortex XSIAM, etc.

Responsibilities

• Design, develop, test, and deploy detection content focused on AWS and GCP threats and suspicious activity.
• Integrate and normalize cloud security telemetry from AWS and GCP into the enterprise SIEM platform.
• Develop detections leveraging data sources including: AWS GuardDuty, AWS CloudTrail, AWS VPC Flow Logs, AWS Config, Google Security Command Center (SCC), Google Cloud Audit Logs, Google Cloud Logging, IAM telemetry, and 3rd party CSMPs.
• Create and maintain SIEM detections, analytics, risk‑based detections, dashboards, assets, identities, and alerting content.
• Continuously tune and optimize detection logic to reduce false positives while improving detection fidelity and coverage.
• Map detections to MITRE ATT&CK and cloud‑specific attack techniques.
• Participate in adversary emulation, purple team exercises, and cloud attack simulations to validate detection effectiveness.
• Develop detection requirements and enrichment strategies to support AI/SOAR automation and incident response workflows.
• Create and maintain SOPs, runbooks, and investigation guides for cloud‑based detections and alerts.
• Train and mentor L1 and L2 SOC analysts on cloud threat investigation and triage processes.
• Participate in on‑call support rotations (approximately 5 weeks annually).

Skills

Cybersecurity experience

Incident response

Threat detection

Detection engineering

Tools

Splunk Enterprise Security

Microsoft Sentinel

QRadar

Cortex XSIAM

Job description

The Hartford is seeking a Senior Security Engineer focused on cloud threat detection to design, build, and optimize detections across AWS and Google Cloud. You will integrate cloud telemetry into Splunk SIEM and collaborate with Cloud Operations, Incident Response, and SOC teams to strengthen cloud security monitoring.

Ideal candidates have hands‑on experience with AWS GuardDuty, CloudTrail, SCC, and cloud logging services, and can map detections to MITRE ATT&CK.