Job Description

**Brand:** Post Holdings Inc. **Categories:** Information Technology **Locations:** Saint Louis, Missouri **Position Type:** Regular Full-Time **Remote Eligible:** No **Req ID:** 29445 **Job Description** **Business Unit Overview** Feeding the world is what we do - how we do it is unique. We are not your textbook consumer packaged goods company. While others may be slow to make change happen, Post continuously drives both inorganic and organic growth. Our history is evidence of that fact with over 100 years of heritage and growth from brands that transcend generations like Honey Bunches of Oats, Fruity Pebbles, Malt-O-Meal, Bob Evans, Kibbles 'n Bits, Egg Beaters, Peter Pan peanut butter and more. Our foodservice and ingredient businesses supply other products you love for brands, restaurants and stores. We have more than 55 offices and manufacturing sites and approximately 13,000 employees. Over the past 13 years, Post has made 28+ acquisitions and innovative financial transactions and reached $8.2 billion in net sales in fiscal 2025. During turbulent times of market uncertainty, the food industry has provided a level of stability unlike other industries Post Holdings, Inc. is a Fortune 500 ® company headquartered in Brentwood, a suburb of St. Louis, Missouri. Our casual professional atmosphere encourages team members to collaborate, innovate and support our operating companies. Our passion and drive advance the reputation of our operating companies and brands-together, we make a difference. **Responsibilities** The Post Holdings IT team is seeking a cyber security professional with demonstrated network, platform and application layer security-related skills to conduct day to day security monitoring and triage of security related events. Responsibilities will include managing the incident repose process for incidents and participating, as a team member, in major incidents. This position also drives our awareness and phishing programs developing training and executing the tests and training. To thrive in this position, we need an individual with a technical understanding of networking, identity management, host security and operating systems. The individual should have the ability to learn new information at a rapid pace. Good technical and communication skills, ability to deal with ambiguity and very high level of creativity and inquisitdiveness are a must. Previous experience in security operations, security event monitoring, and incident response are important. The Security Analyst will report to the Director, Cybersecurity Architecture and Operations and will be based in St. Louis, Missouri. **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. **Qualifications** **Experience** + 2+ years of experience working in Information Security or equivalent experience + 3+ years of experience working in Information Technology or equivalent experience + Candidates should also have experience with scripting/coding, secure development, and open-source security tools. **Education** + BA or BS degree in Information Security, Cyber Security, Computer Science or related field or commensurate experience + Certified Information Security Systems Professional (CISSP) preferred or equivalent experience **Knowledge & Skills** + 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. This is a hybrid role based in St. Louis. In-office days are Tuesdays, Wednesdays and Thursdays. Work from home days are Mondays and Fridays. #LI-hybrid Post Holdings provides equal employment opportunities to all employees and applicants for employment without regard to race, color, religion, gender, sexual orientation, national origin, age, disability, genetic information, marital status, status as a covered veteran and any other category protected under applicable federal, state, provincial and local laws. Equal Opportunity Employer/Protected Veterans/Individuals with Disabilities The contractor will not discharge or in any other manner discriminate against employees or applicants because they have inquired about, discussed, or disclosed their own pay or the pay of another employee or applicant. However, employees who have access to the compensation information of other employees or applicants as a part of their essential job functions cannot disclose the pay of other employees or applicants to individuals who do not otherwise have access to compensation information, unless the disclosure is (a) in response to a formal complaint or charge, (b) in furtherance of an investigation, proceeding, hearing, or action, including an investigation conducted by the employer, or (c) consistent with the contractor's legal duty to furnish information. 41 CFR 60-1.35(c)

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Full time, For contractors, Apprenticeship, Casual work, Work at office, Local area, Work from home, Monday to Friday,

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