Security Engineer (Incident Response + Crowdstrike)

• crowdstrike
• microsoft365
• incident response

In the game of life, are you stuck on level "Meh"? Why not unlock a legendary career move with us at Infinite Ranges!

Let me spill the tea—Infinite Ranges stands on the cutting edge of deploying, implementing, and custom consulting for tailored application modernization and DevSecOps solutions. While we build DevSecOps, Platform Engineering, and App Modernization solutions, we also offer highly skilled surge resourcing services for professional service firms, ISVs, resellers, and industry-leading OEMs, ensuring excellence and expert guidance at every step.
In under 48 months, we've grown to 60+ OEM partners, a staff of over 50, and hundreds of engagements, delivering both people and professional services at scale.

About the Role

Infinite Ranges is seeking experienced Security Engineers with Incident Response, Crowdstrike, and Active Directory, Microsoft36f experience to support a customer security operations engagement.

This is a short-term remote consulting engagement supporting a 24/5 security operations environment. The ideal candidate will be comfortable performing security monitoring, incident triage, investigation, documentation, and end-user security support across a Microsoft-centric environment.

You will work with security monitoring and endpoint protection platforms to investigate alerts, respond to incidents, document operational procedures, and support users across Microsoft 365 technologies.

What You Will Be Doing

• Monitor, investigate, and triage security alerts and incidents
• Perform incident response activities using security monitoring and endpoint protection tools
• Analyze and respond to alerts generated from CrowdStrike, Microsoft Defender, Darktrace, Grafana, and related security platforms
• Escalate security incidents and coordinate remediation efforts as needed
• Document operational procedures, runbooks, and standard operating procedures (SOPs)
• Support Microsoft 365 administration tasks, including user, group, and role management
• Assist end users with security-related issues involving Microsoft 365 applications and services
• Support Windows 10 and Windows 11 endpoint environments
• Participate in incident investigations and provide detailed documentation of findings and actions taken
• Collaborate with customer stakeholders to improve operational processes and security posture
• Provide support for hybrid environments that may include Active Directory and AWS-based services

What We Want To See

• 3+ years of experience in Security Operations, Incident Response, or Cybersecurity Engineering
• Experience performing security alert triage and incident investigations
• Hands-on experience with CrowdStrike, Microsoft Defender, Darktrace, SIEM, or related security platforms
• Strong understanding of Microsoft 365 security and administration
• Experience supporting Windows 10 and Windows 11 environments
• Familiarity with Active Directory, Entra ID (Azure AD), and identity management
• Strong written communication skills and experience creating SOPs, runbooks, or operational documentation
• Ability to work independently in a fast-paced security operations environment

Technologies Used in This Role

• CrowdStrike
• Microsoft Defender
• Microsoft 365
• Office 365
• Entra ID (Azure AD)
• Windows 10 / Windows 11
• Darktrace
• Grafana
• Active Directory
• AWS

Bonus Points For

• Experience working in a Security Operations Center (SOC)
• Microsoft Security certifications
• CrowdStrike certifications
• Experience supporting 24x5 or 24x7 operations
• Familiarity with AWS security concepts and cloud environments
• Experience developing operational playbooks, SOPs, or incident response documentation