Information Security Analyst Sr. Lead - Threat Hunter
About this role
Senior Cyber Threat Hunter for Entergy's Consolidated Security Operations Center, focusing on proactive detection and response to advanced threats across IT-OT and cloud infrastructure. This role requires expertise in threat intelligence, behavioral analytics, AI-driven hunting, and industrial control systems (ICS) protection. Reports to CSOC Manager and leads independent threat hunt missions across enterprise environments.
Responsibilities
- —Create threat models to identify gaps in defensive controls, expand offensive security capabilities, and prioritize mitigations
- —Build threat hypotheses using threat models and threat intelligence; execute automated hunting techniques, gather/analyze results, and deliver reports
- —Orchestrate AI agents to perform threat hunts and run/manage security controls for AI systems within threat hunting operations
- —Proactively and iteratively search through systems and networks to detect advanced threats using forensic activities and analysis
- —Analyze network, host, application logs, and malware; understand and implement deception capabilities against advanced threats
- —Lead threat hunt missions with minimal supervision; develop and maintain work instructions, SOPs, playbooks, and system workflows
- —Develop queries for CSOC for new detections; identify, track, and investigate high-priority threat campaigns and malicious actors
- —Prepare and report risk analysis and threat findings to stakeholders; brief senior leaders and translate technical topics for decision-making
- —Create workflows and automation within security tools; collaborate with business units to improve threat detection and response
- —Review current and emerging cyber threat intelligence; maintain situational awareness and initiate threat hunts
- —Conduct in-depth technical analysis on host-based, network-based, cloud-focused, and mobile systems
- —Participate in post-incident reviews to identify lessons learned and best practices
- —Assist in expanding and maintaining the Forensics program
- —Collect, aggregate, and report on metrics from threat hunts and security cases
Qualifications
- —Bachelor's degree in Cybersecurity, Information Security, IT, Computer Science, or equivalent, OR 5-10 years of prior relevant experience
- —5+ years recent experience in a technical role in Security Operations, incident response, detection engineering, offensive security/red team, or cyber threat intelligence
- —Experience performing threat hunting in an active corporate environment
- —Experience with host-based and network-based security monitoring using cybersecurity capabilities
- —Experience with offensive security strategies and assessment methodology
- —Experience using AI and agentic AI tools
- —Knowledge of Industrial Control Systems (ICS) and Operational Technology (OT) to protect critical infrastructure
- —Ability to lead initiatives and see the larger picture when dealing with competing requirements
Location
Hybrid position based in The Woodlands TX, New Orleans LA, Little Rock AR, or Jackson MS; relocation required if outside these areas; up to 25% travel; no relocation assistance or sponsorship provided.
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Job details
About the company
Entergy →An integrated energy company delivering electricity to 3 million customers across Arkansas, Louisiana, Mississippi, and Texas, with a significant nuclear generation portfolio.
Careers page ↗Information Security Analyst Sr. Lead - Threat Hunter
Entergy