As an Information Security Engineer focused on infrastructure security, you'll help protect Palantir's global endpoints, servers, identity systems, applications, networks, and data flows. You'll work across teams to reduce attack surface, improve defensive controls, investigate security events, and turn security findings into durable architectural and operational improvements.
This is not just a corporate security role; the adversaries we face are sophisticated. We need someone who understands both the details and the broader system: how a weakness in one part of the environment can create risk somewhere else, how controls interact, and how to build security improvements that hold up in practice.
Core Responsibilities
- Design, implement, and improve defensive security controls across endpoints, servers, identity systems, cloud services, SaaS applications, networks, and data flows
- Own or contribute to security posture improvements, including hardening standards, configuration management, vulnerability remediation, access controls, monitoring, and ongoing validation
- Evaluate security risks in new platforms, products, architectures, vendors, and services, and translate findings into practical recommendations and engineering work
- Build and maintain automation for security operations, such as configuration validation, drift monitoring, patching, access reviews, policy enforcement, alert triage, and security hygiene
- Partner closely with Identity, Infrastructure, Engineering, Legal, and other Information Security teams to improve security architecture and reduce recurring risk
- Translate findings from assessments, red team exercises, incident investigations, and operational reviews into durable fixes—including configuration changes, architectural improvements, policy updates, and automation
- Develop expertise in one or more security domains while remaining effective across the broader infrastructure security lifecycle
What We're Looking For
- Experience securing one or more major infrastructure domains, such as Windows, macOS, Linux, Active Directory, cloud platforms, SaaS applications, networking, identity systems, or enterprise endpoints
- A broad infrastructure security mindset and curiosity about systems outside your primary area of expertise
- Understanding of common infrastructure attack paths, adversary tactics, techniques, and procedures, and the security controls used to prevent, detect, and contain them
- Ability to assess complex environments and identify how weaknesses in identity, endpoints, applications, networks, cloud services, or data flows can combine to create security risk
- Experience evaluating security tooling and validating that controls are deployed effectively and continue to work as intended
- Familiarity with infrastructure-as-code, configuration management, CI/CD, or other approaches to making security controls repeatable and scalable
What We Value
- Ability to independently own projects, make progress through ambiguity, and balance competing priorities while collaborating effectively with colleagues
- Experience working in complex, high-assurance, regulated, or rapidly changing environments
- The ability to move between strategic problem-solving and hands-on technical work
- Strong written and verbal communication skills, including the ability to explain technical security risks and drive remediation with partner teams
- Contributions to security programs, tooling, automation, incident investigations, or technical research—whether public or internal
What We Require
- 5+ years of hands-on experience in information security, infrastructure security, security engineering, security operations, or a closely related field
- Demonstrated experience securing at least one major infrastructure or security domain, with the ability and interest to work across multiple domains
- Active TS/SCI security clearance, or eligibility and willingness to obtain one
- A strong sense of ownership, sound judgment, and integrity
Salary
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Skills Required
- 5+ years of hands-on security experience focused on Windows environments and Active Directory
- Proficiency in Python or PowerShell for detection development and automation
- Active TS/SCI security clearance or eligibility to obtain one
- Deep knowledge of AD architecture and Windows security architecture
- Experience with detection logic and incident response investigations
Palantir Technologies Compensation & Benefits Highlights
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Healthcare Strength — Health coverage is described as comprehensive and high quality, with some U.S. offices/roles featuring zero‑premium plans and company‑highlighted mental‑health support. This breadth and affordability are positioned as standouts in the package.
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Leave & Time Off Breadth — Time off is framed as 'take‑what‑you‑need' and paired with a two‑week companywide December closure, providing both flexibility and predictable downtime. The combination of flexible PTO and the year‑end shutdown offers autonomy alongside guaranteed rest.
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Parental & Family Support — Parental benefits are presented as generous, including paid parental leave where not covered by law, a stipend for new parents, family‑care leave, childcare assistance, and flexible arrangements. Fertility, adoption, and surrogacy support are also highlighted.
Palantir Technologies Insights
What We Do
At Palantir, we're helping the world's most important institutions use their data to solve their most urgent problems. Palantir software helps the world's most important institutions integrate, analyze, and act on their data — unlocking answers to questions they couldn't ask before. From delivering disaster relief to building safer automobiles, we're honored to help make our partners better at their most important work. Together with our customers, we're building the future of national security, healthcare, energy, finance, manufacturing, and more.
Why Work With Us
We build the software that powers the world's most important institutions — the hospitals, militaries, intelligence agencies, and industrial operators that can't afford to fail. The consequence of our work is what makes us different.
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