Infrastructure Security Engineer: Defend Global Endpoints & Cloud

Palantir Technologies Inc.; Washington (District of Columbia); Hybrid; USD 145,000 - 200,000; Full time

Benefits offered by this job

Medical insurance

Dental insurance

Vision insurance

Life insurance

Commuter benefits

Time off: 2 weeks at year end

Job summary

Palantir Technologies Inc. seeks an Information Security Engineer focused on infrastructure security to protect endpoints, servers, identity systems, applications, networks, and data flows.

You will work with teams to reduce attack surface, improve defenses, and translate findings into durable architectural changes. This role requires broad security experience across multiple domains, ability to operate in high-assurance environments, and strong collaboration with partner teams to drive

Qualifications

• 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.

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.

Skills

Infrastructure security

Active Directory

Cloud security

SaaS security

Security automation

Incident response

Identity systems

Tools

IaC tooling

CI/CD pipelines

Configuration management

Job description

Palantir Technologies Inc. seeks an Information Security Engineer focused on infrastructure security to protect endpoints, servers, identity systems, applications, networks, and data flows.

You will work with teams to reduce attack surface, improve defenses, and translate findings into durable architectural changes. This role requires broad security experience across multiple domains, ability to operate in high-assurance environments, and strong collaboration with partner teams to drive