Senior Information Security Analyst (On-Site)

First Guaranty Bancshares-posted 3 months ago
Full-time • Mid Level
Hammond, LA
251-500 employees
Credit Intermediation and Related Activities
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The Senior Information Security Analyst will play a pivotal role in strengthening the organization's information security posture, with an emphasis on cloud security, governance, automation, and identity management. This role combines hands-on technical defense with governance and compliance responsibilities to ensure FGB meets FFIEC, NIST CSF, and internal risk management expectations.

  • Lead security reviews and hardening of Azure and Microsoft 365 environments including Defender for Cloud, Sentinel, Purview, and Entra ID.
  • Ensure alignment with NIST CSF, FFIEC IT Handbook, and internal IT policies across cloud and hybrid deployments.
  • Provide guidance for secure adoption of SaaS applications and vendor integrations.
  • Support audit readiness by maintaining evidence mapping to controls (NIST, FFIEC, GLBA).
  • Collaborate with business units to ensure third-party vendor risk assessments meet security standards.
  • Develop and enforce security policies, standards, and procedures that balance compliance with business agility.
  • Administer and enhance Azure Entra ID (AD), MFA, Conditional Access, Just-In-Time access, and Privileged Access Management (PAM).
  • Drive adoption of Zero Trust security principles across users, devices, and applications.
  • Monitor and remediate identity-related threats and anomalies using advanced logging and automation.
  • Lead SIEM (Azure Sentinel, Splunk, or equivalent) monitoring and develop automated detections and playbooks.
  • Implement SOAR automation for incident response, vulnerability management, and compliance monitoring.
  • Use scripting (Python, PowerShell) to streamline log analysis, access reviews, and security reporting.
  • Manage vulnerability identification, patching cycles, and compensating controls across on-prem and cloud environments.
  • Partner with IT and business teams to embed security into projects from the start.
  • Adhere to the BSA policy and all other bank policies.
  • 4+ years of information security experience, with at least 2 years in Azure/Microsoft 365 security.
  • Strong background in IT infrastructure (compute, storage, networking) plus hands-on cloud administration.
  • Proficiency in security scripting and automation (Python, PowerShell, or similar).
  • Certifications: AZ-500 (Azure Security), CISSP, CISM, GIAC, or Security+.
  • Experience with NIST CSF control mapping, FFIEC requirements, and regulatory audits.
  • Familiarity with SOAR platforms and workflows.
  • Medical, dental, vision, and basic life/AD&D insurance.
  • Prescription drug benefits.
  • Long term disability and salary continuance (short-term disability).
  • Paid holidays, paid vacation and sick leave.
  • Tuition reimbursement program.
  • 401k and section 125 cafeteria plan.
  • Opportunity to earn FGB stock grants.
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