Guidehouse

Palantir Enterprise Ontology Architect

United States · Work style not stated · Full time

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About the role

Description from the employer’s posting. Check the employer’s page for the current version.

EmployerGuidehouse
LocationUnited States
Work styleWork style not stated
Employment typeFull time
Employer posted3 Sep 2026

Job Family:

Data Engineering & Architecture Consulting

Travel Required:

None

Clearance Required:

Active Secret

What You Will Do:

Design, govern, and evolve the enterprise information architecture within Palantir Foundry. This role is responsible for ensuring ontology objects, metadata, permissions, and enterprise data structures remain consistent, reusable, secure, and scalable across multiple applications and projects. They serve as the steward of the enterprise ontology by balancing application-specific needs with long-term enterprise reuse, consistency, security, and interoperability.

Design, develop, and maintain enterprise ontology models using Palantir Ontology Manager.
Define and govern enterprise metadata standards to ensure consistent implementation across applications, domains, and portfolios.
Manage the lifecycle of enterprise ontology objects, including creation, promotion, versioning, deprecation, and stewardship.
Monitor ontology usage and identify opportunities to improve reuse, reduce duplication, and resolve conflicts across projects.
Partner with application teams to ensure ontology objects align with enterprise standards while meeting business needs.
Design and maintain APIs and integration patterns that enable consistent access to shared ontology objects and API gateway principals.
Develop governance processes for enterprise ontology promotion, object ownership, and change management.
Support data access, permission, and group management by helping define appropriate access models and governance practices.
Ensure ontology objects, metadata, and related assets are accurately cataloged and aligned with the Enterprise Metadata Schema and Data Asset Inventory.
Advise clients on enterprise information architecture, ontology design, metadata management, and governance best practices.
Develop trusted relationships with client stakeholders and support business development efforts including proposals, white papers, demonstrations, and capability briefings.
Support business development efforts (e.g., responding to RFPs/RFIs, developing white papers, creating pitch decks and capability briefings, etc.).

Show full description

What You Will Need:

ACTIVE and MAINTAINED SECRET Federal or DoD security clearance.
Bachelor's degree in a relevant technical field is required
A minimum SIX (6) years of relevant professional experience, including at least THREE (3) years of hands-on experience in enterprise data modeling, information architecture, metadata management, ontology management, or data governance is required.
Experience designing and maintaining ontologies within Palantir Foundry.
Understanding of enterprise metadata management and information architecture principles.
Experience defining and governing enterprise data standards.
Understanding of identity, permissions, group management, and access control concepts.
Experience supporting shared enterprise platforms used by multiple application teams.
Familiarity with API design and integration patterns.
Strong understanding of relational database concepts.
Ability to balance business requirements with long-term enterprise architecture and governance objectives.
Strong collaboration skills with engineers, product owners, governance teams, and business stakeholders.
Ability to support remote, hybrid, and on-site projects in the DC metro area.

What Would Be Nice To Have:

NINE (9) years’ experience in hands-on data modeling and/or data architecture.
ACTIVE or ability to gain TOP SECRET Federal or DoD security clearance.
Experience implementing enterprise metadata catalogs or data asset inventories.
Experience designing governance processes for ontology lifecycle management.
Experience resolving ontology conflicts, duplication, and enterprise data standardization challenges.
Experience supporting classified data environments.
Proficiency using SQL to validate and analyze enterprise data structures.

What We Offer:

Guidehouse offers a comprehensive, total rewards package that includes competitive compensation and a flexible benefits package that reflects our commitment to creating a diverse and supportive workplace.

Benefits include:

Medical, Rx, Dental & Vision Insurance

Personal and Family Sick Time & Company Paid Holidays

Position may be eligible for a discretionary variable incentive bonus

Parental Leave and Adoption Assistance

401(k) Retirement Plan

Basic Life & Supplemental Life

Health Savings Account, Dental/Vision & Dependent Care Flexible Spending Accounts

Short-Term & Long-Term Disability

Student Loan PayDown

Tuition Reimbursement, Personal Development & Learning Opportunities

Skills Development & Certifications

Employee Referral Program

Corporate Sponsored Events & Community Outreach

Emergency Back-Up Childcare Program

Mobility Stipend

About Guidehouse

Guidehouse is an Equal Opportunity Employer–Protected Veterans, Individuals with Disabilities or any other basis protected by law, ordinance, or regulation.

Guidehouse will consider for employment qualified applicants with criminal histories in a manner consistent with the requirements of applicable law or ordinance including the Fair Chance Ordinance of Los Angeles and San Francisco.

If you have visited our website for information about employment opportunities, or to apply for a position, and you require an accommodation, please contact Guidehouse Recruiting at 1-571-633-1711 or via email at RecruitingAccommodation@guidehouse.com. All information you provide will be kept confidential and will be used only to the extent required to provide needed reasonable accommodation.

All communication regarding recruitment for a Guidehouse position will be sent from Guidehouse email domains including @guidehouse.com or guidehouse@myworkday.com. Correspondence received by an applicant from any other domain should be considered unauthorized and will not be honored by Guidehouse. Note that Guidehouse will never charge a fee or require a money transfer at any stage of the recruitment process and does not collect fees from educational institutions for participation in a recruitment event. Never provide your banking information to a third party purporting to need that information to proceed in the hiring process.

If any person or organization demands money related to a job opportunity with Guidehouse, please report the matter to Guidehouse’s Ethics Hotline. If you want to check the validity of correspondence you have received, please contact recruiting@guidehouse.com. Guidehouse is not responsible for losses incurred (monetary or otherwise) from an applicant’s dealings with unauthorized third parties.

Guidehouse does not accept unsolicited resumes through or from search firms or staffing agencies. All unsolicited resumes will be considered the property of Guidehouse and Guidehouse will not be obligated to pay a placement fee.

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