Information Security Analyst Sr. Lead - Threat Hunter

Information Security Analyst Sr. Lead
- Threat Hunter

Job Title:

Information Security Analyst Sr Lead
- Threat Hunter Work Place Flexibility:
Hybrid Legal Entity:
Entergy Services, LLC
*** This position is based out of The Woodlands, TX, New Orleans, LA, Little Rock, AR or Jackson, MS. Those outside of these areas would be required to relocate. Relocation assistance and sponsorship is not available for this posting.
*** Job Summary/

Purpose:

The Cyber Threat Hunter will work proactively to detect and respond to advanced threats that evade traditional and modern security tools. Threat Hunters will leverage threat intelligence, behavioral analytics, advanced threat detection, artificial intelligence (AI) and Agentic AI tools to uncover hidden risks and ensure the security of our systems and data The Cyber Threat Hunter will coordinate the results of threat hunts with the Entergy Consolidated Security Operations Center (CSOC) which is responsible for preventing, identifying, containing and eradicating threats through monitoring, intrusion detection and preventive measures to assets including LAN/WAN, IT-OT and cloud infrastructure.

The CSOC is responsible for continuous improvement to detection of threats, rapid response, and reports of suspected or confirmed security incidents. The role will report to the Manager of the CSOC and will manage day-to-day tasks as noted below, with additional projects as they arise. We are looking for a skilled information security professional having the experience in identifying, isolating and resolving advanced threats within the organization.

The threat hunter will play a prominent role in combating threats using foundational and advanced detection techniques, use automation to perform threat hunts across environments as well as implement deception capabilities. This position will actively search for vulnerabilities and uncover system and software flaws in order to help to mitigate risks that could affect the organization. The Information Security Analyst Sr Lead will be responsible for assisting in investigating and responding to more advanced security incidents, understanding, and mitigating attack vectors, leveraging agentic AI tools for operations and staying abreast of the evolving threat landscape.

This is a hybrid position that can be filled in The Woodlands, TX, Little Rock, AR, Jackson, MS, New Orleans, LA. Primary Responsibilities :
Create threat models to better understand the Entergy IT enterprise, identify gaps to improve defensive controls, expand offensive security capabilities and prioritize mitigations Utilize Threat Models along with Threat Intelligence to create threat hypothesis Build hypothesis, execute automated hunting techniques, gather and analyze results, perform forensic activities, deliver reports Orchestrate AI agents to perform threat hunts Run and manage security controls for AI systems within threat hunting operations Develop and maintain work instructions, SOPs, playbooks, system workflows Assist in expanding and maintaining the Forensics program Proactively and iteratively search through systems and networks to detect advanced threats Analyze network, host, and application logs Analyze malware and code Have an understanding and knowledge of deception capabilities against advanced threats Experience implementing, deploying and/or operating deception technologies and tactics Prepare and report risk analysis and threat findings to appropriate stakeholders Able to lead hunt missions with minimal to no supervision or guidance Recommend course of actions, best practices and mitigating actions to improve security practices Experience briefing senior level leaders and executives as well as the ability to translate technical topics into non-technical terms for decision making Develop queries for the CSOC for new detections to new attacks Ability to stay up to date for maintaining and understanding the cyber threat landscape, threat actors and activity to enhance Entergy's cybersecurity posture.

Identify, track and investigate high priority threat campaigns, malicious actors of interest, capabilities and TTPs Create workflows and automation within the security tools Collaborate and coordinate with business units to improve threat detection, response and improve the overall security posture Participate in post-incident reviews to identify lessons learned and best practices. Knowledgeable in Industrial Control Systems (ICS) and Operational Technology (OT) to protect critical infrastructure and operational assets.

Available to travel up to 25% Will be responsible for:
Reviewing current and emerging cyber threat intelligence to maintain situational awareness and initiate hunts Maintaining threat hunts along with providing support to the CSOC as needed during advanced incident escalations Creating and providing weekly briefings of reports Collecting, aggregating and reporting on metrics from threat hunts and security cases Conducting in-depth technical analysis…