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Security Specialist

Sourcefit

Skills

Required

  • EDR
  • incident response
  • SIEM
  • security threats
  • Splunk
  • Microsoft Sentinel
  • Windows Server
  • Directory
  • Microsoft 365 environments
  • PowerShell
  • automation
  • ticketing
  • incident management systems

Preferred

  • cybersecurity / SOC / MDR
  • Manage and remediate alerts
  • Conduct root cause analysis
  • document findings
  • cybersecurity-related
  • Escalate complex incidents
  • Review customer environments

We are seeking a Cybersecurity Engineer to support after-hours security operations, threat management, and incident response activities across customer environments. This role is fully remote and focused on monitoring, investigating, and remediating security threats using Endpoint Detection and Response (EDR) platforms, with SentinelOne experience strongly preferred.

Responsibilities

  • Work-from-home
  • Sunday to Wednesday, 8pm-7am EST and Thursday to Sunday, 8pm-7am EST

Following US Holidays

  • Monitor, investigate, and respond to security alerts and incidents.
  • Perform threat hunting, containment, eradication, and recovery activities.
  • Analyze suspicious activity, malware, ransomware, and endpoint threats.
  • Manage and remediate alerts generated by EDR, MDR, and SIEM platforms.
  • Conduct root cause analysis and document findings.
  • Perform remote troubleshooting and remediation of cybersecurity-related issues.
  • Escalate complex incidents when necessary and coordinate with internal teams.
  • Maintain accurate incident documentation, remediation records, and security reports.
  • Develop and maintain security procedures, runbooks, and operational documentation.
  • Review customer environments and recommend security improvements.
  • DNSFilter
  • Microsoft Defender for Endpoint

Requirements

SentinelOne (preferred)

  • Experience with threat detection, investigation, and remediation.
  • Experience with SIEM solutions such as Splunk, Microsoft Sentinel, or similar platforms.
  • Working knowledge of Windows Server, Active Directory, and Microsoft 365 environments.
  • Experience with PowerShell or other automation tools is a plus.
  • Experience working within ticketing and incident management systems.
  • Strong analytical and problem-solving abilities.
  • Ability to work independently in a remote environment.
  • Excellent written and verbal communication skills.
  • Ability to prioritize and manage multiple active incidents.
  • Strong attention to detail and documentation.
  • A security-focused professional with strong EDR experience who can independently investigate and remediate security threats. Candidates with direct SentinelOne administration and incident response experience will be highly preferred.

Preferred

  • 3+ years of cybersecurity, incident response, SOC, or MDR experience.

Work Environment

100% Remote

After-hours shift

No on-site work required

Focused on security operations, threat management, and incident response

Every job at Sourcefit