Cyber Defense Analyst: Microsoft Defender & IR Specialist

Re:Build Manufacturing; Framingham (MA); On-site; USD 83,000 - 132,000; Full time

Job summary

Re:Build Manufacturing is seeking a security-focused professional to defend against cyber threats with a focus on malware and vulnerability management using Microsoft Defender, Purview, and Sentinel. You will detect, respond, and prioritize remediation across the enterprise while sharpening the security program.

You will develop detection rules, perform incident response, conduct root-cause analyses, and collaborate with IT to strengthen system hardening.

Qualifications

• Bachelor’s degree or equivalent in IT, cybersecurity, or related field.
• 3–5 years of experience with Microsoft Defender, Purview and Sentinel.
• Experience supporting aerospace/defense with GCC High
• Strong analytical and communication skills; able to explain complex issues clearly.
• Willingness to travel domestically up to 10% as needed.
• ITAR considerations and U.S. citizen or eligible requirements.

Responsibilities

• Monitor security alerts and logs across Defender, Purview and Sentinel to detect and respond to incidents.
• Configure and optimize Defender policies and deployment enterprise-wide.
• Use Purview (DLP,eDiscovery) to enforce data protection policies.
• Develop custom detection rules and incident response playbooks.
• Lead containment, eradication and recovery during active incidents.

Skills

Threat detection

Incident response

Security analytics

Microsoft Defender

Purview

Sentinel

Compliance

Communication

Travel willingness

Education

Bachelor’s degree in information technology, cybersecurity, related field, or equivalent experience

Tools

Microsoft Defender

Purview

Sentinel

Microsoft 365 GCC High

Job description

Re:Build Manufacturing is seeking a security-focused professional to defend against cyber threats with a focus on malware and vulnerability management using Microsoft Defender, Purview, and Sentinel. You will detect, respond, and prioritize remediation across the enterprise while sharpening the security program.

You will develop detection rules, perform incident response, conduct root-cause analyses, and collaborate with IT to strengthen system hardening.