[Hiring] Cybersecurity Infrastructure Engineer @Microsoft

Role Description

Microsoft's Detection and Response Team (DART) is seeking a skilled and experienced Cybersecurity Infrastructure Engineer to join the team. This pivotal, customer-facing position helps customers contain, recover from, and build resilience against high-impact cybersecurity incidents.

• Lead infrastructure recovery and identity containment workstreams.
• Establish technical priorities and act as a trusted technical partner for customers during urgent response activity.
• Work with lead investigators, threat hunters, reverse engineers, and incident coordinators.
• Help customers make evidence-led recovery decisions and improve security outcomes.
• Share practical recovery expertise, mentor colleagues, and help shape the future of Defender Experts Cybersecurity Incident Response.

Qualifications

• A relevant degree in Computer Science, Computer Security, Statistics, Mathematics, or a related field, or equivalent practical experience in cybersecurity, infrastructure engineering, incident response, or related operations.
• Demonstrated hands-on experience with Active Directory, Entra ID, or other enterprise identity platforms in complex enterprise environments.
• Understanding of identity-related attack techniques.
• Experience supporting identity recovery, infrastructure recovery, and post-breach hardening decisions under operational pressure.
• Familiarity with Windows Server infrastructure, DNS, DHCP, Group Policy, privileged access, and hybrid identity dependencies.
• Ability to script or automate recovery, validation, or analysis tasks using PowerShell or similar tools.
• Demonstrated ability to explain technical findings, dependencies, risk, and residual uncertainty clearly to customers and internal stakeholders.
• Flexibility to work non-standard business hours that may include evening, nighttime, weekends, and/or holidays.

Requirements

• Experience in cybersecurity incident response, digital forensics, threat hunting, or enterprise recovery.
• Familiarity with Microsoft Defender XDR, Microsoft Sentinel, Entra ID, Microsoft Graph, Azure, Windows security eventing, and third-party SIEM/SOAR or EDR platforms.
• Experience leading infrastructure workstreams in high-pressure, customer-facing incident response while balancing investigation, containment, and recovery needs.
• Demonstrated ability to translate technical constraints into practical response plans and executive-ready recommendations.
• Relevant security, identity, cloud, or incident response certifications, or equivalent practical expertise.
• Demonstrated research, analytical automation, data-quality improvement, or technical mentoring that strengthens infrastructure response capability.

Security Clearance Requirements

• The successful candidate should have or be able to obtain the Security Check (SC) or Developed Vetting (DV) clearance as issued by the United Kingdom Security Vetting Unit (UKSV).
• Ability to meet Microsoft, customer, and/or government security screening requirements are required for this role.

Benefits

• The typical base pay range for this role across the United Kingdom is £74,700.00 - £122,600.00 per year.
• Certain roles may be eligible for benefits and other compensation.

Company Description

Microsoft is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to age, ancestry, citizenship, color, family or medical care leave, gender identity or expression, genetic information, immigration status, marital status, medical condition, national origin, physical or mental disability, political affiliation, protected veteran or military status, race, ethnicity, religion, sex (including pregnancy), sexual orientation, or any other characteristic protected by applicable local laws, regulations, and ordinances.

If you need assistance with religious accommodations and/or a reasonable accommodation due to a disability during the application process, read more about requesting accommodations.