Senior Cybersecurity Engineer - Remote, Hands-on Defender

Msupply; United States; Remote; USD 120,000 - 180,000; Full time

Benefits offered by this job

Health, dental, vision insurance

Life and AD&D insurance

401(k) plan

Vacation time

Job summary

mSupply is seeking a Senior Cybersecurity Engineer to serve as a hands-on security expert and escalation point across a distributed multi-unit environment. You will engineer, detect, and automate security controls and investigations to protect corporate services, distribution operations, e-commerce, and supplier connections.

You will collaborate with Technology, DevOps, Audit, and business teams, driving scalable security solutions and meaningful risk reduction across a national remote work

Qualifications

• 7+ years of progressive IT experience preferred
• 5+ years in cybersecurity engineering, infrastructure security, or related
• Bachelor’s degree in CS/IT/Cybersecurity or related field preferred
• Strong expertise with SIEM, EDR/XDR, detection engineering, incident investigation, MITRE ATT&CK
• Hands-on experience in identity/access management, vulnerability management, cloud/SaaS security, or security automation
• Proven ability to lead complex investigations and translate findings into improvements
• Proficient with scripting, APIs, automation/orchestration, and version-controlled workflows

Responsibilities

• Engineer, integrate, and optimize enterprise SIEM, EDR/XDR, identity, email, collaboration, and managed detection capabilities.
• Develop and tune security detections, threat-hunting queries, dashboards, and automated response workflows, including MITRE ATT&CK mapping.
• Establish and maintain secure configuration baselines, security controls, telemetry integrations, health checks, and runbooks.
• Improve security monitoring through better log coverage, detection fidelity, and escalation readiness.
• Lead complex security incidents through triage, investigation, containment, and recovery.
• Serve as senior escalation point for security operations and managed detection providers, ensuring timely resolution.
• Develop and exercise incident-response playbooks and table-top scenarios.
• Prioritize vulnerabilities and findings based on exploitability and business impact.
• Validate remediation through rescanning and evidence review; manage security exceptions.
• Conduct security architecture reviews for applications, cloud/SaaS, DevSecOps, suppliers, and third-party integrations.
• Automate security analysis, evidence collection, and reporting to improve efficiency and visibility.
• Lead security-engineering initiatives and contribute to security standards and roadmaps.

Skills

SIEM

EDR/XDR

MITRE ATT&CK

incident investigation

scripting

APIs

cloud security

security automation

Education

Bachelor’s degree in Computer Science/IT/Cyrbersecurity

Job description

mSupply is seeking a Senior Cybersecurity Engineer to serve as a hands-on security expert and escalation point across a distributed multi-unit environment. You will engineer, detect, and automate security controls and investigations to protect corporate services, distribution operations, e-commerce, and supplier connections.

You will collaborate with Technology, DevOps, Audit, and business teams, driving scalable security solutions and meaningful risk reduction across a national remote work