Incident Response Engineer — Microsoft Security Expert

BlueHalo; Dayton (OH); Vor Ort; USD 112.000 - 170.000; Vollzeit

Benefits dieser Stelle

Medical insurance

401(k) with company match

Paid time off

Zusammenfassung

BlueHalo is seeking a Cybersecurity Engineer to investigate and respond to cybersecurity incidents while engineering improvements to incident response capabilities. You will develop detections, response workflows, and security configurations to help identify, contain, and recover from threats.

The role requires hands-on experience with Microsoft security technologies and the ability to turn incident lessons into measurable improvements.

Qualifikationen

• Three or more years of experience in cybersecurity engineering, incident response, security operations, or a related technical role.
• Hands-on experience investigating and responding to incidents in Microsoft-based enterprise environments.
• Experience with Microsoft Sentinel, Microsoft Defender for Endpoint, and Microsoft Defender XDR.
• Proficiency with KQL for log analysis, threat hunting, and detection development.
• Working knowledge of Windows security, Active Directory, Microsoft Entra ID, Microsoft 365, and Azure.
• Understanding of incident response frameworks and the ability to apply structured investigation, containment, eradication, and recovery practices.
• Experience analyzing endpoint, identity, email, and network telemetry to identify malicious activity and determine incident scope.
• Familiarity with PowerShell or Python for investigation support, data analysis, and repetitive task automation.
• Demonstrated ability to improve incident response procedures, detection coverage, or security platform configurations.
• Strong technical writing and communication skills, including the ability to explain incident findings to technical and nontechnical audiences.
• Ability to remain organized, exercise sound judgment, and coordinate response activities under pressure.
• Bachelor's degree in cybersecurity, computer science, information technology, or a related field, or equivalent practical experience.

Aufgaben

• Investigate and respond to security incidents involving endpoints, identities, email, cloud services, and enterprise infrastructure.
• Perform incident scoping, timeline reconstruction, root cause analysis, and impact assessments using telemetry and forensic evidence.
• Coordinate containment, eradication, and recovery activities with system owners while minimizing business disruption.
• Use Microsoft Sentinel, Defender XDR, Defender for Endpoint, Defender for Office 365, and Entra ID to investigate threats and support response actions.
• Develop and tune KQL queries, analytics rules, detections, and hunting queries to improve threat visibility and reduce false positives.
• Improve security logging, data collection, and platform integrations to address gaps identified during investigations.
• Develop and maintain incident response plans, playbooks, runbooks, escalation procedures, and incident classification criteria.
• Lead or support post-incident reviews, document lessons learned, and track corrective actions through completion.
• Identify recurring incident patterns and implement engineering changes that address underlying weaknesses.
• Partner with automation engineers to streamline alert enrichment, evidence collection, case management, and approved containment actions.
• Produce clear incident reports that document findings, business impact, response actions, and recommended improvements.
• Conduct tabletop exercises and technical response drills to validate procedures and strengthen team readiness.
• Preserve investigation evidence and maintain accurate records in accordance with organizational requirements.
• Measure incident response effectiveness through detection and containment times, repeat incidents, playbook coverage, and corrective action completion.
• Support incident response coverage, including participation in an established on‑call rotation as required.

Kenntnisse

Cybersecurity engineering

Incident response

Microsoft Sentinel

Microsoft Defender XDR

Defender for Endpoint

Windows security

Active Directory

PowerShell

Python

KQL

Communication skills

Ausbildung

Bachelor's degree in cybersecurity, CS, or IT

Tools

Microsoft Defender for Endpoint

Microsoft Defender XDR

Microsoft Sentinel

Azure

Entra ID

Jobbeschreibung

BlueHalo is seeking a Cybersecurity Engineer to investigate and respond to cybersecurity incidents while engineering improvements to incident response capabilities. You will develop detections, response workflows, and security configurations to help identify, contain, and recover from threats.

The role requires hands-on experience with Microsoft security technologies and the ability to turn incident lessons into measurable improvements.