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Palantir Technologies Logo Palantir Technologies · IT - Software Development

Product Reliability Engineer - Defense

United States, Washington, D.C. 82000.00 - 140000.00 USD / Year · Job Posted February 20, 2026
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Job Description

Product Reliability Engineers (PREs) are responsible for the health, performance, and stability of the services that power services at Palantir. PREs take ownership over the entire end-to-end cycle of service reliability, from responding to outages to improving codebases and building lasting solutions. You will tackle critical issues for key customers, introduce observability into complex systems, address tech debt in essential codebases, and inform strategic investments in core products. We are looking for engineers who enjoy deep-dive troubleshooting, feel strong ownership over the problems they encounter, and recognize the urgency of customer-facing outages. PREs spend the majority of their time on forward-looking product work, including but not limited to, infrastructure migrations, product contributions to improve stability and observability, and codebase enhancements that increase resilience. During periodic on-call shifts, we respond to automated alerts, investigate issues reported by customers, and share technical expertise with adjacent product teams. Whatever the technical issue or question about your service is, you'll play a central and critical role in resolving it, seeking not just a one-time fix, but a permanent solution. We provide new team members with an experienced mentor and a clear onboarding framework to set them up for success in the role.

Job Responsibility

  • Continuously invest in documentation, metrics, monitors and other troubleshooting tools
  • Participate in on-call rotations during business hours and occasional weekends. This is a challenging yet rewarding opportunity to help remediate the most pressing issues across the Palantir fleet
  • Diagnose, resolve, and prevent issues encountered in the field. Deliver end-to-end improvements to core products based on these issues you encounter in the field
  • Improve observability by refactoring codepaths and introducing telemetry
  • Identify and implement data-driven opportunities for improved service resilience
  • Develop strategic opinions on stability investments and inform the vision for long-term product stability

Requirements

  • Engineering background in Computer Science, Mathematics, Software Engineering, Physics or similar field
  • Ability to work with a high degree of ownership and a strong sense of urgency in a dynamic environment
  • Experience producing code in backend languages such as Java, as part of a past role or personal projects
  • Familiarity with storage and data processing systems and cloud infrastructure
  • Strong written and verbal communication and ability to iterate quickly with teammates and incorporate feedback
  • Eligibility and willingness to obtain a US Security clearance

Nice to have

  • Comfortable with and curious about large scale production systems and technologies. For example, load balancing, monitoring, distributed systems, and configuration management
  • Confidence in troubleshooting complex issues independently using observability tools and stack traces
  • Familiarity with monitoring tools such as Prometheus and health checks
  • Experience coding with Java, Go and/or web technologies (e.g. HTML, CSS, JavaScript, Python/Ruby, Django/Flask/Ruby on Rails, etc.) is a plus
  • Track record of identifying bugs in codebases and contributing fixes leading to long term service stability
  • Demonstrated ability making data-driven decisions and engaging with stakeholders on strategy

What we offer

  • Employees (and their eligible dependents) can enroll in medical, dental, and vision insurance as well as voluntary life insurance
  • Employees are automatically covered by Palantir’s basic life, AD&D and disability insurance
  • Commuter benefits
  • Take what you need paid time off, not accrual based
  • 2 weeks paid time off built into the end of each year (subject to team and business needs)
  • 10 paid holidays throughout the calendar year
  • Supportive leave of absence program including time off for military service and medical events
  • Paid leave for new parents and subsidized back-up care for all parents
  • Fertility and family building benefits including but not limited to adoption, surrogacy, and preservation
  • Stipend to help with expenses that come with a new child
  • Employees can enroll in Palantir’s 401k plan
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