Sr Cybersecurity Engineer (Cloud Security)

TL;DR

Sr Cybersecurity Engineer (Cloud Security): Leading high-impact cloud incident response investigations across Microsoft Azure and Microsoft 365 with an accent on identity compromise, privilege escalation, and threat hunting. Focus on developing standardized response playbooks, optimizing KQL queries, and refining cloud detections at scale.

Location: Hybrid (Arlington, TX, US). Must be based in the US; visa sponsorship is not available.

Company

An innovative financial services provider specializing in automotive financing with a mission-focused cybersecurity organization.

What you will do

• Lead Azure and Microsoft 365 security investigations, focusing on identity compromise, privilege escalation, and data exfiltration.
• Act as the senior escalation point for complex cloud investigations, providing strategic response direction.
• Develop and standardize cloud-specific incident response playbooks to improve operational efficiency.
• Design and refine cloud detections and alerts using Azure Activity Logs, Entra ID, and Defender telemetry.
• Utilize Graph API and PowerShell to automate evidence acquisition and accelerate response actions.
• Participate in an on-call rotation to support timely response to critical security incidents.

Requirements

• Extensive hands-on experience in security incident response for Microsoft Azure and Microsoft 365.
• Deep understanding of Entra ID identity models, conditional access, and cloud logging telemetry.
• Advanced proficiency in writing and optimizing KQL queries for threat hunting across Defender data sources.
• Experience with cloud security platforms such as Microsoft Defender and Wiz.
• Strong knowledge of the NIST Incident Response Life Cycle and the MITRE ATT&CK Framework.
• Must not require visa sponsorship to work in the US.

Nice to have

• Security certifications such as CISSP, CCNP-Security, GIAC, CEH, or CPTS.
• Bachelor’s Degree in a related field or equivalent professional experience.
• 3-5 years of experience in large, complex business environments.

Culture & Benefits

• Flexible hybrid work arrangement with 2 days a week in the office.
• Comprehensive benefits starting day one, including 401K matching and tuition assistance.
• 12 weeks of 100% paid bonding leave for new parents.
• GM employee auto discount.
• High leadership visibility with reporting lines extending to the CEO.