IT Security Analyst - US
About mSupply™ mSupply is a North American distributor of OEM repair parts and equipment serving the appliance, HVAC and plumbing industries. Headquartered in St. Louis, the company combines industry expertise with a broad product selection and a national distribution network. With 2,000 employees across the United States and Canada, mSupply delivers speed and reliability at scale, with a vast product inventory and same-day shipping. Its family of brands is focused on making sure customers always get the Right Products. Right Now.™ For more information, visit mSupply.com. Job Summary The IT Security Analyst supports the organization’s cybersecurity operations by helping protect systems, networks, endpoints, and cloud environments from evolving threats. Reporting to the Manager, Cyber Security, this role contributes to security monitoring, incident response, vulnerability management, compliance efforts, and administration of core security technologies. This position works closely with infrastructure, operations, and leadership teams to strengthen the organization’s security posture and support ongoing operational and compliance initiatives. The ideal candidate is analytical, collaborative, and motivated to grow within a fast-paced cybersecurity environment.
Key Responsibilities
Monitor and investigate alerts across SIEM, EDR/MDR, email security, and related monitoring platforms Support incident response activities including investigation, containment, remediation, recovery, and documentation Assist with vulnerability management efforts by reviewing scan results, prioritizing risks, and coordinating remediation activities Support PCI DSS, ISO 27001, and related compliance initiatives through evidence collection, documentation updates, and audit support Maintain and support cybersecurity technologies including endpoint protection, SIEM, vulnerability management, and email security platforms Participate in security reviews for new technologies, vendors, and system changes to identify and communicate potential risks Collaborate with infrastructure and operations teams to support secure configurations, firewall reviews, segmentation efforts, and cloud security practices Prepare operational reports, incident summaries, and security documentation for leadership review Stay current on cybersecurity threats, vulnerabilities, and industry best practices to support continuous improvement across the environment Qualifications, Education & Experience Bachelor’s degree in Cybersecurity, Information Technology, Computer Science, or a related field — or equivalent practical experience 2–4 years of experience in cybersecurity, IT operations, or a related technical role Exposure to security monitoring, incident response, vulnerability management, or compliance activities preferred Experience supporting PCI DSS, ISO 27001, or similar control frameworks is a plus Technical Skills Experience with EDR/MDR platforms such as SentinelOne, CrowdStrike, Arctic Wolf, or similar technologies Familiarity with SIEM tools including Splunk, Microsoft Sentinel, Datadog, or comparable solutions Knowledge of vulnerability management tools such as Tenable or Qualys Experience with email security platforms including Proofpoint, Mimecast, or similar solutions Understanding of identity and access management concepts including SSO, MFA, RBAC, and user access reviews General knowledge of Microsoft 365, Azure, AWS, networking, firewalls, VLANs, and secure configuration practices Certifications CompTIA Security+ or equivalent certification preferred CompTIA CySA+, CEH, or similar cybersecurity certifications are a plus Interest in pursuing advanced certifications such as CISSP, CISM, or ISO 27001 credentials welcomed Physical Demands Walking, bending, and reaching Standing for extended periods (up to 8 hours) Sitting at a desk or using a computer for prolonged periods What We Offer: We prioritize your well-being from day one with a comprehensive benefits package that includes: Medical, dental, vision, and prescription coverage effective immediately 401(k) plan with company contributions Life insurance and short-term disability coverage HSA/FSA options and an Employee Assistance Program (EAP) Paid time off, including vacation, holidays, and personal days Weekly pay, employee discounts, and more Equal Employment Opportunity & Pre-Employment Requirements mSupply is an Equal Opportunity Employer. We make employment decisions without regard to sex, age, race, color, creed, religion, national origin, citizenship or immigration status, sexual orientation, gender identity or expression, disability, genetic information, marital status, veteran or military status, or any other status protected by applicable federal, state, or local law. We are committed to providing reasonable accommodations for qualified individuals with disabilities and to applicants with sincerely held religious beliefs, in accordance with applicable law. To request a reasonable accommodation, please contact [email protected]. Final offers of employment may be contingent upon completion of job-related pre-employment checks and screenings permitted by law for the position. For roles that require operation of a company vehicle, a Motor Vehicle Record (MVR) check may also be conducted to determine insurability. This employer participates in E-Verify to confirm employment eligibility in the United States. Apply To This Job