Government and Public Sector - AI & Data - Ontology Senior Analyst

About the role

You will help our clients navigate the complex world of modern data science and analytics. We’ll look to you to provide our clients with a unique business perspective on how data science and analytics can transform and improve their entire organization – starting with key business issues they face.

Responsibilities

You’ll spend most of your time working with a wide variety of clients delivering the latest data science and big data technologies and practices to design, build and maintain scalable and robust solutions that unify, enrich and analyze data from multiple sources.

• Work directly with the client and civilian government stakeholders to transform business requirements into actionable analytics, dashboards, and mission-support applications that improve operational effectiveness, transparency, and decision-making.
• Support design, development, and deployment of data analytics, business intelligence, workflow automation, and low-code application solutions.
• Define ontology objects, relationships, and governance models aligned to mission outcomes.
• Map curated enterprise data products into ontology-driven environments and establish standardized relationships between entities to support analytics, reporting, and operational decision-making.
• Translate Gold-layer data into mission-relevant business objects and enable downstream consumption.
• Facilitate collaboration among business owners, data architects, engineers, and end users to define data definitions, business rules, object hierarchies, metadata standards, and data governance requirements that support trusted partners.

Requirements

• Must be eligible to obtain and maintain a Secret Clearance.
• Must have a bachelor’s degree.
• Must have 3–5+ years of related experience within AI & Data.
• Must be comfortable working in-person as needed.

Qualifications

• Experience designing and implementing enterprise ontologies, semantic data models, or operational data frameworks.
• Experience mapping enterprise data products into ontology-driven environments and establishing standardized relationships between entities to support analytics, reporting, and decision-making.
• Ideally, experience with Palantir Foundry, including ontology development, object modeling, Workshop applications, data materialization, pipeline integration, and operational decision-support use cases.
• Experience supporting DOD clients, shore infrastructure, logistics, asset management, facilities management, maintenance operations, or readiness-focused analytics environments, with knowledge of how operational processes translate into data models and decision-support products.
• Experience developing governance processes for ontology lifecycle management, including version control, metadata management, object stewardship, change control, and alignment between source-system data structures and operational business processes.

Skills and Attributes for Success

• Demonstrated experience designing and implementing enterprise ontologies, semantic data models, or operational data frameworks that translate business processes, assets, work orders, and performance measures into reusable analytics-ready data structures.
• Experience mapping curated enterprise data products into ontology-driven environments and establishing standardized relationships between entities to support analytics, reporting, and operational decision-making.
• Experience facilitating collaboration among business owners, data architects, engineers, and end users to define data definitions, business rules, object hierarchies, metadata standards, and data governance requirements that support trusted partners.

Benefits

We offer a comprehensive compensation and benefits package where you’ll be rewarded based on your performance and recognized for the value you bring to the business.

• Medical and dental coverage.
• Pension and 401(k) plans.
• A wide range of paid time off options.

Pay

The base salary range for this job in all geographic locations in the US is $106,900 to $176,500. The base salary range for New York City Metro Area, Washington State and California (excluding Sacramento) is $128,400 to $200,600. Individual salaries within those ranges are determined through a wide variety of factors including but not limited to education, experience, knowledge, skills and geography.

Schedule

Join us in our team-led and leader-enabled hybrid model. Our expectation is for most people in external, client serving roles to work together in person 40–60% of the time over the course of an engagement, project or year.

Under our flexible vacation policy, you’ll decide how much vacation time you need based on your own personal circumstances. You’ll also be granted time off for designated EY Paid Holidays, Winter/Summer breaks, Personal/Family Care, and other leaves of absence when needed to support your physical, financial, and emotional well-being.

Candidates should be willing to travel 20–30% or more.