IT Security Analyst

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Our team is growing and we’re looking for best-in‑class talent. We value experienced, career‑minded employees who focus on teamwork, professionalism and an unparalleled commitment to customer service. We offer full‑time employees a competitive benefits package that includes health, dental and vision insurance, along with life and AD&D insurance, 401k plans, vacation time and more.

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Position: IT Security Analyst - US

Location: REMOTE

Remote Status: Remote

Job : 3671-mSupply

# of Openings: 1

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

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.

• 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

• 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

• Experience with EDR/MDR platforms such as Sentinel One, Crowd Strike, 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…