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Post Holdings
·
December 24, 2025
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Cybersecurity Analyst

St Louis, MO
Full-time
Hybrid
Entry, Mid Level
Post Holdings is a Fortune 500® company that focuses on feeding the world with its diverse range of products. They are seeking a Cybersecurity Analyst to conduct security monitoring, manage incident responses, and drive awareness programs within their IT team.
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Responsibilities

  • Configure and monitor various cyber-security tools for proper operation
  • Conduct initial triage of cyber-security alerts
  • Manage the incident response process for security events
  • Conduct investigations and analysis of various cybersecurity related events
  • Define and build new use cases for security tools based on changes or new knowledge of the environment
  • Configure and monitor email security solutions
  • Configure and monitor URL filtering and DNS security solutions
  • Perform phishing triage, determining whether emails are safe or malicious
  • Develop, perform, and generate reporting for monthly phishing campaigns
  • Develop, execute, and generate reporting for quarterly awareness campaigns
  • Create and update documentation and generate ad hoc reports
  • Be a knowledge resource and ambassador for cyber-security for the IT staff
  • Be available for afterhours support for both on-call and critical cyber security incidents
  • Train and mentor associate and apprentice cyber security analysts

Qualification

Required

  • 2+ years of experience working in Information Security or equivalent experience
  • 3+ years of experience working in Information Technology or equivalent experience
  • Experience with scripting/coding, secure development, and open-source security tools
  • BA or BS degree in Information Security, Cyber Security, Computer Science or related field or commensurate experience
  • The individual must have an intimate knowledge of various operating systems and networks, network and application security, cryptographic standards and Public Key Infrastructure (PKI)
  • Knowledge of the NIST CyberSecurity Framework (CSF) and the CIS Critical Security Controls
  • Working knowledge/experience with network systems, security principles and applications
  • Able to communicate technical issues to non-technical people

Preferred

  • Certified Information Security Systems Professional (CISSP) preferred or equivalent experience

Benefits

Post Holdings is a consumer goods company currently operating in the center-of-the-store, active nutrition and private label food
Glassdoor
Founded in 1895
St Louis, Missouri, USA
10001+ employees
http://postholdings.com
Post Holdings is a consumer goods company currently operating in the center-of-the-store, active nutrition and private label food
Glassdoor
Founded in 1895
St Louis, Missouri, USA
10001+ employees
http://postholdings.com