Staff Data Engineer, Mission Data Products - Clearance Required

LMI • Fort Belvoir, VA

2d • $128,301 - $190,654 • Onsite

About The Position

LMI is seeking a Staff Data Engineer to build authoritative data products supporting Army acquisition and program operations. This engineer will own data pipelines, models, and ontology within Army Vantage or Palantir Foundry. This is a senior individual-contributor role for an engineer who can make architectural decisions, build production systems, and raise the technical standard of the team. LMI is a new breed of digital solutions provider dedicated to accelerating government impact with innovation and speed. Investing in technology and prototypes ahead of need, LMI brings commercial-grade platforms and mission-ready AI to federal agencies at commercial speed. Leveraging our mission-ready technology and solutions, proven expertise in federal deployment, and strategic relationships, we enhance outcomes for the government, efficiently and effectively. With a focus on agility and collaboration, LMI serves the defense, space, healthcare, and energy sectors—helping agencies navigate complexity and outpace change. Headquartered in Tysons, Virginia, LMI is committed to delivering impactful results that strengthen missions and drive lasting value.

Requirements

• Bachelor’s degree in computer science, engineering, information systems, data science, or a related field, or equivalent practical experience.
• Eight or more years of experience building production data systems.
• Strong proficiency with Python, SQL, and modern data-engineering patterns.
• Experience designing data pipelines and products on Palantir Foundry, Army Vantage, or a comparable enterprise data platform.
• Experience with data modeling, ontology, data quality, and lineage.
• Strong software-engineering fundamentals, including testing, source control, CI/CD, and monitoring.
• Experience supporting a Department of Defense customer.
• Active Secret clearance.

Nice To Haves

• Experience supporting the U.S. Army.
• Direct experience with Palantir Foundry or Army Vantage.
• Experience with PySpark or other distributed data-processing technologies.
• Familiarity with Army acquisition or program management data.
• Experience with cloud platforms, DevSecOps, and infrastructure as code.

Responsibilities

• Own the architecture and implementation of scalable data pipelines and data products.
• Integrate and transform data from multiple Army and enterprise sources.
• Develop data models and ontology that support applications, reporting, and analysis.
• Design for data quality, lineage, security, observability, and long-term maintainability.
• Establish engineering standards for testing, source control, deployment, and operations.
• Partner with software engineers, product designers, and customer stakeholders.
• Review technical designs, mentor engineers, and resolve complex data challenges.

What This Job Offers

• Job Type: Full-time
• Career Level: Senior