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Entergy

Electricity generation, transmission, and distribution provider

Information Security Analyst Senior Lead

Security Operations & Incident ResponsePosted on Nov 10
Full-timeNo salary listed

About the Job

Requirements

  • A bachelor's degree in cybersecurity, information security, information technology, computer science, or another relevant field, or 5–10 years of prior relevant experience; additional experience and certifications may be considered in lieu of a degree.
  • At least 5 years of recent technical experience 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 artificial intelligence and agentic artificial intelligence tools.
  • Experience with one or more enterprise endpoint detection and response and security information and event management tools.
  • Experience with digital forensics or incident response on major security incidents.
  • Ability to apply cyber threat intelligence through enrichment, correlation, and attribution, and to consume and analyze it for actionable takeaways.
  • Experience with log analysis tools.
  • Experience developing scripts to support cyber threat detection.
  • Understanding of the MITRE ATT&CK Framework, artificial intelligence models and agentic AI capabilities for threat hunting, cloud and IT-OT secure monitoring and incident response, and systems including industrial control systems.
  • Planning, organizational, time-management, problem-solving, analytical, critical-thinking, decision-making, written and verbal communication, and report-writing skills.
  • Ability to work independently with minimal direction, manage multiple tasks and priorities, collaborate cross-functionally, and communicate effectively across the organization.
  • One or more technical or information security certifications are a plus; examples include CompTIA, ISACA, EC-Council, ISC2, GIAC Certified Incident Handler, GIAC Certified Forensic Analyst, CISSP, SANS GCIA, SANS GMON, CCSP, GIAC Penetration Tester, or OSCP.
  • Knowledge of security operations, cybersecurity monitoring, intrusion detection, secured networks, artificial intelligence and agentic AI, common networking protocols, enterprise network components, network and host-based analysis, UNIX platforms, Windows operating systems, and current IT security trends and monitoring practices.
  • Proficiency with scripting languages such as PowerShell or Python.
  • Knowledge of security, risk, and control frameworks and standards such as ISO 27001 and 27002, SANS-CAG, NIST, FISMA, COBIT, COSO, and ITIL.
  • Availability to travel up to 25%.
  • Authorization to work in the United States is a precondition of employment.

Responsibilities

  • Create threat models of the IT enterprise to identify defensive-control gaps, expand offensive security capabilities, and prioritize mitigations.
  • Use threat models and threat intelligence to develop threat hypotheses.
  • Develop hypotheses, execute automated hunting techniques, gather and analyze results, perform forensic activities, and deliver reports.
  • Orchestrate artificial intelligence agents to perform threat hunts and run and manage security controls for AI systems in threat-hunting operations.
  • Develop and maintain work instructions, standard operating procedures, playbooks, and system workflows.
  • Assist in expanding and maintaining the forensics program.
  • Proactively search systems and networks iteratively to detect advanced threats.
  • Analyze network, host, and application logs, malware, and code.
  • Implement, deploy, or operate deception technologies and tactics, and apply knowledge of deception capabilities against advanced threats.
  • Prepare and report risk analyses and threat findings to stakeholders; recommend courses of action, best practices, and mitigations to improve security practices.
  • Lead hunt missions with minimal to no supervision or guidance, brief senior leaders and executives, and translate technical topics into non-technical terms for decision-making.
  • Develop detection queries and workflows and automation within security tools for the CSOC.
  • Monitor the cyber threat landscape, threat actors, and activity; identify, track, and investigate high-priority threat campaigns, malicious actors, capabilities, and tactics, techniques, and procedures.
  • Collaborate and coordinate with business units to improve threat detection, response, and overall security posture.
  • Provide lead and assistance duties in incident response and participate in post-incident reviews to identify lessons learned and best practices.
  • Review current and emerging cyber threat intelligence to maintain situational awareness and initiate hunts.
  • Maintain threat hunts and support the CSOC during advanced incident escalations.
  • Assist in managing and leading incident-response duties.
  • Create and provide weekly briefings and collect, aggregate, and report metrics from threat hunts and security cases.
  • Conduct in-depth technical analysis of host-based, network-based, cloud-focused, and mobile systems to identify advanced threats that evade traditional detection systems and signatures.
  • Work additional hours, at alternate locations, or perform additional duties in connection with storms, outages, emergencies, or other situations as deemed necessary.

About the Company

Entergy

Electricity generation, transmission, and distribution provider

Entergy generates electricity from natural gas, nuclear, coal, and oil and distributes it to about 3 million utility customers in Arkansas, Louisiana, Mississippi, and Texas. It operates the full flow from power plants to the transmission grid and local distribution networks, and it offers tools like the Bill Toolkit to help customers manage energy use. Its approach combines a diverse fuel mix with an integrated generation-to-delivery model to support reliability and steady service across multiple states. The company aims to provide dependable electricity while controlling costs and investing in grid reliability and efficiency under regulated rates.

Company size
10,001+
Company stage
IPO
Headquarters
New Orleans, LA
Founded
1913

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