IT Security Analyst – US

Msupply; St. Louis (MO); Remote; USD 70,000 - 110,000; Full time

Benefits offered by this job

Health insurance

Dental insurance

Vision insurance

Life insurance

AD&D insurance

401k

Vacation time

Job summary

mSupply is seeking an IT Security Analyst to monitor and protect our cybersecurity environment in a fully remote US role. You will review security alerts, assist investigations and incident response, and support remediation activities.

You’ll work with the Cybersecurity team, Infrastructure, and IT Operations to maintain tools, documentation, and processes, escalating higher‑risk events to senior staff as needed.

Qualifications

• Bachelor's degree in cybersecurity, information technology, computer science, or related field.
• 2–3+ years in information technology or cybersecurity roles.
• Familiarity with SIEM, EDR/XDR, vulnerability management, identity security, or similar platforms.

Responsibilities

• Monitor security alerts and incidents using SIEM, EDR/XDR, identity security, cloud, and related platforms.
• Assist with security investigations and incident response activities.
• Maintain security tools, documentation, and processes.

Skills

Security monitoring

Incident response

Vulnerability management

Security tools

Documentation

Communication

Scripting basics

Team collaboration

Education

Bachelor's degree in cybersecurity or related field

Tools

SIEM

EDR/XDR

PowerShell

Python

Vulnerability management tools

Job description

Do you love working with talented people? So do we!

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.

Browse positions available at mSupply and throughout our HVAC, plumbing and appliance parts business units nationwide. Use the filters to narrow by department, business unit or location.

Position:IT Security Analyst – US

Location: REMOTE

Remote Status: Remote

Job Id:4095-mSupply

# of Openings:1

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 day-to-day operation and monitoring of the company's cybersecurity environment. This role reviews security alerts, assists with security investigations and incident response, supports vulnerability and remediation activities, and helps maintain security tools, documentation, and processes.

The IT Security Analyst works closely with the Cybersecurity team, Infrastructure, IT Operations, Applications, managed security providers, and other business partners. The role is responsible for assigned security activities and routine administration of security tools, while escalating complex issues and higher‑risk events to senior cybersecurity staff.

Key Responsibilities

• Security Monitoring & Incident Support
• Monitor security alerts and activity using security tools such as SIEM, EDR/XDR, identity, email, cloud, and other cybersecurity platforms.
• Perform initial review and triage of security alerts, gather relevant information, document findings, and escal…?
• Assist with security investigations and incident response activities, including information gathering, remediation tracking, and follow-up.
• Work with managed SOC/MDR providers and internal IT teams to investigate and resolve assigned security alerts and issues.
• Maintain security incident documentation, procedures, and assigned response documentation.
• Security Tool Administration
• Support the day‑to‑day administration, monitoring, and routine configuration of assigned cybersecurity tools.
• Assist with reviewing security tool alerts, dashboards, logs, and system health.
• Help troubleshoot security tool issues, integrations, and configuration concerns.
• Assist with testing security‑control changes and maintaining related documentation and records.
• Vulnerability & Security Support
• Review vulnerability and security assessment findings and assist with tracking remediation activities.
• Work with technology owners to follow up on assigned vulnerabilities and overdue remediation items.
• Assist with validating that identified security issues have been addressed through rescans, configuration checks, or other documented methods.
• Support security assessments, audits, control testing, and evidence collection as needed.
• Assist with tracking security risks and maintaining accurate records of remediation activities.
• Maintain security reports, dashboards, metrics, and documentation for assigned areas.
• Assist with recurring security reviews and other cybersecurity activities.
• Use basic scripting, queries, or automation tools to improve routine security tasks when appropriate.
• Participate in cybersecurity projects, tabletop exercises, security awareness activities, and technology evaluations as assigned.
• Communicate status, issues, and potential risks to the appropriate team members.

Qualifications

• Bachelor's degree in cybersecurity, information technology, computer science, or a related field, or an equivalent combination of education and relevant professional background.
• 2–3+ years in information technology or cybersecurity, including security operations, security administration, IT support, systems administration, network administration, or a related technical function.
• Familiarity with cybersecurity tools such as SIEM, EDR/XDR, vulnerability management, identity security, email security, or similar platforms.
• Basic understanding of Windows and/or Linux systems, networking, identity and access management, cloud services, and common enterprise technologies.
• Ability to review security alerts, troubleshoot technical issues, document findings, and escal…?
• Understanding of cybersecurity concepts, vulnerability management, security controls, and incident response.
• Familiarity with security frameworks or practices such as NIST CSF or CIS Controls is preferred.
• Strong organizational, written, and verbal communication skills.
• Ability to manage multiple priorities, work collaboratively with technical teams, and follow established procedures.

Preferred Qualifications

• Background supporting security operations within a corporate IT environment.
• Familiarity with SIEM, EDR/XDR, vulnerability management, identity, Microsoft 365, or other security technologies.
• Exposure to security investigations, incident response, vulnerability remediation, or security assessments.
• Basic proficiency with PowerShell, Python, security queries, APIs