Senior Windows & Active Directory Security Engineer

Palantir Technologies; Washington (District of Columbia); On-site; USD 145,000 - 200,000; Full time

Benefits offered by this job

Medical, dental, vision insurance

401k plan

Sign-on bonus

Restricted Stock units

Paid time off

Holidays

Parental leave support

Commuter benefits

Job summary

Palantir Technologies is seeking an Information Security Engineer focused on Windows and Active Directory. You will own security across Palantir's global Windows infrastructure, maintain 24/7 prevention, detection, and investigation, and drive architectural improvements with Identity and Infrastructure teams.

The role requires 5+ years in security with Windows/AD focus, proficiency in Python or PowerShell, and TS/SCI eligibility. Salary ranges with stock options and sign-on bonuses may apply.

Qualifications

• Deep knowledge of AD architecture and security controls.
• Experience investigating AD attacks across the kill chain.
• Familiarity with attack tooling and what it leaves behind.
• Experience hardening AD environments and enforcement of security policy.

Responsibilities

• Own the security posture of Palantir's Windows and AD estate; enforce hardening and standards.
• Reduce attack surface across AD; audit and remediate misconfigurations and exposure.
• Deploy and tune defensive tooling across Windows: EDR, PAM, threat detection, and endpoint hardening.
• Build automation for security operations: patching, drift monitoring, access reviews, credential hygiene.
• Partner with Identity and Infrastructure teams to drive architectural improvements and policy updates.
• Translate assessments into durable fixes and preventive controls.

Skills

Active Directory

AD architecture

Threat hunting

Detection logic

Incident response

Windows internals

Tools

WinDbg

Process Monitor

Volatility

x64dbg

BloodHound

Impacket

Mimikatz

Job description

Palantir Technologies is seeking an Information Security Engineer focused on Windows and Active Directory. You will own security across Palantir's global Windows infrastructure, maintain 24/7 prevention, detection, and investigation, and drive architectural improvements with Identity and Infrastructure teams.

The role requires 5+ years in security with Windows/AD focus, proficiency in Python or PowerShell, and TS/SCI eligibility. Salary ranges with stock options and sign-on bonuses may apply.