Jobs in the United States

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Added 2 mins ago
Regulatory Affairs Engineer
SpaceX
Hawthorne, CA
This Regulatory Affairs Engineer supports the Falcon, Dragon, and Starfall programs in FAA launch and reentry licensing and related regulatory affairs. The role demonstrates compliance with…
Added 6 mins ago
P
Project Engineer / Civil Engineer - Site/Land Development
Psomas
Los Angeles, CA
- $100,000 to $120,000 USD / year
As our Project Engineer / Civil Engineer for our Civil Engineering team in Los Angeles, CA, you'll contribute to the planning and design of diverse development and infrastructure projects…
Added 6 mins ago
P
Civil Engineer Designer (Engineer in Training) - Transportation
Psomas
Roseville, CA
- $36 to $50 USD / hour
Hybrid Flexibility: A consistent 3/2 hybrid schedule that supports both collaboration and focused work (minimum 3 days in office per week)
Added 7 mins ago
Software Engineer
Applied Materials, Inc
Santa Clara, CA
As a Software Engineer at Applied Materials, you’ll dive deep into ground-breaking technologies - like machine learning and AI - to craft novel software solutions that solve our customers’…
Added 14 mins ago
ST
Senior Scientist, In Vitro Efficacy
Scribe Therapeutics
Alameda, CA
- $150,000 to $180,000 USD / year
…Scientist I/II, In Vitro Efficacy to advance our ongoing efforts to engineer highly active and specific CRISPR enzymes. The successful candidate will serve as the analytical lead…
Added 14 mins ago
HC
R&D Embedded Software Engineer
Hach Company
Loveland, CO
- $95,000 to $105,000 USD / year
Growing your expertise and expanding your skillset with every project.
Added 15 mins ago
Staff SW QA Engineer
Dexcom
Remote, United States
…effectiveness, and regulatory compliance. Partners with senior R&D engineering, quality, regulatory, clinical, cybersecurity, and business leaders to drive continuous improvements to SDLC,…
Added 16 mins ago
Sr Systems Integration Engineer – Radiation Producing Subsystem
x Varian Medical Systems, Inc.
United States
We seek a versatile Systems Engineer for our Linear Accelerator Systems group, supporting radiation-producing subsystems in oncology machines. Responsibilities include contributing to…
Added 18 mins ago
Sr Staff CAD Engineer
MSI - (Marvell Semiconductor Inc.) US
Santa Clara, CA
As a key CAD member of Marvell Central Engineering, you will play a leading role on developing next-generation automated design flow and its add-on tools. You will have the opportunity to…
Added 18 mins ago
TI
Senior Staff SI/PI Engineer
TYLsemi, Inc.
San Jose, CA
- $204,000 to $250,000 USD / year
We're not a research project. We have paying customers, committed capital, and aggressive timelines.
Added 19 mins ago
Senior Windows System Engineer
HP
Spring · Palo Alto
…teams, including software developers, system administrators, and project managers, to create solutions that integrate seamlessly with existing infrastructure and deliver value to end-users.…
Added 19 mins ago
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Project Engineer
Actalent
Wildwood, FL
- $31 to $43 USD / hour
Job Title: Project Engineer / Project CoordinatorJob DescriptionThis entry-level Project Engineer / Project Coordinator role supports the successful planning, coordination, and execution of…
Added 19 mins ago
A
Project Engineer
Actalent
Wildwood, FL
- $31 to $43 USD / hour
Job Title: Project Engineer / Project CoordinatorJob DescriptionThis entry-level Project Engineer / Project Coordinator role supports the successful planning, coordination, and execution of…
Added 20 mins ago
Senior Project or Senior Environmental Geologist or Engineer
SOCOTEC
Alameda, CA
California Professional Geologist (PG) or Professional Engineer (PE) license required · OSHA 40-hour HAZWOPER certification required
Added 21 mins ago
Sr iOS Software Engineer, Creativity Apps
Apple
Cary, NC · Cupertino, CA · San Diego, CA · Seattle, WA · Vancouver, WA
This is a rare chance to join a new engineering team early and help define important work at Apple in the creative space. As a senior engineer and technical leader, you'll set the…
Added 21 mins ago
Software Engineer, G&A Solutions Engineering (GSE)
Apple
Austin, TX
You will also participate in product roadmap and project planning efforts. You will have a strong sense of ownership and passion for software engineering
Added 24 mins ago
Intern - Systems Engineer
TX
Must have authorization to work in the United States without requiring visa sponsorship
Added 24 mins ago
Principal Project Manager - Highway Design/Construction - Transportation
Parsons Transportation Group
OH
Works with Project Managers, Regional Managers and Technical Managers to appropriately assign engineering staff for the benefit of project delivery and pursuit success.
Added 24 mins ago
Engineering Manager - Bridge Design/Build/Construction
Parsons Transportation Group
IN
Indiana Professional Engineer (PE) registration with active membership in a professional engineering society may be required
Added 24 mins ago
Civil Engineering Intern
Parsons Transportation Group
CA
May be assigned to a project or organizational team, or as a design engineer for intermediate to large scale projects
Added 28 mins ago
Senior Cloud Developer
Hewlett Packard Enterprise
Ft. Collins, CO · Andover, MA
This role has been designed as 'Hybrid' with a requirement that you will work on average 2 days per week from an HPE office
Added 32 mins ago
Associate CPLM SME Electrical/ CPLM SME Electrical Engineer - 20678
Northrop Grumman
Roy
Northrop Grumman Defense Systems is seeking a Associate CPLM SME Electrical/ CPLM SME Electrical Engineer to join our team. This position is located in Roy, UT.
Added 32 mins ago
Engineer Industrial/Principal Engineer Industrial
Northrop Grumman
San Diego
Northrop Grumman Mission Systems has an opening for an Industrial Engineer or Principal Industrial Engineer (may be hired at either level) to join our team of qualified, diverse individuals…
Added 32 mins ago
Sr. Principal Electrical Engineer 4 – Electrical Ground Support Equipment (EGSE)
Northrop Grumman
Chandler
Northrop Grumman Space Systems is currently seeking an experienced Principal Electrical Engineer to join our electrical ground support equipment group in our Chandler, AZ facility. Our…
Added 32 mins ago
Principal Mechanical Engineer
Northrop Grumman
Plymouth
citizen and must have the ability to obtain a DoD security clearance to a level of Secret

Closed listing

Cognizant

Senior Knowledge Graph & Ontology Architect

Frankfort, KY, United States

$130,000 to $160,000 USD / year

This opening has closed.

The original listing is kept below for reference.

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Job details

Pay: $130,000 to $160,000 USD / year
Posting language: English
Posted: Nov 9, 2026

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Original job description

Archived listing. The details below describe a past opening.

About the role:

As a Senior Knowledge Graph & Ontology Architect , you will make an impact by designing and governing enterprise semantic architectures that enable trusted, scalable, and AI-ready knowledge systems. You will be a valued member of our Data & AI team and work collaboratively with data architects, engineers, data domain experts, AI specialists, and client stakeholders to establish the semantic foundation that powers enterprise knowledge graphs, search, analytics, and agentic AI solutions.

In this role, you will:

Design and govern enterprise ontologies, semantic models, and knowledge graph architectures, including OWL/RDF ontologies, classes, properties, taxonomy structures, and SHACL validation frameworks.
Lead the development of business domain models and governed vocabularies across key entities, ensuring consistency, traceability, and alignment with business objectives.
Define and maintain enterprise business glossaries, KPI registries, semantic standards, and governance processes, including ownership models and change management workflows.
Architect graph-based knowledge platforms using technologies such as Spanner Graph, Neo4j, Amazon Neptune, TigerGraph, GraphDB, Dataplex, BigQuery, and Vector Search.
Partner with engineering, AI, and platform teams to establish governance controls, security standards, lineage frameworks, and AI architecture guardrails that ensure trustworthy and scalable solutions.

Work model:

We strive to provide flexibility wherever possible. Based on this role’s business requirements, this is a remote position open to qualified applicants in the United States. Regardless of your working arrangement, we are here to support a healthy work-life balance through our various wellbeing programs.

The working arrangements for this role are accurate as of the date of posting. This may change based on the project you’re engaged in, as well as business and client requirements. Rest assured; we will always be clear about role expectations.

What you need to have to be considered:

8+ years of experience in data architecture, knowledge graph architecture, ontology engineering, or related disciplines, including significant experience leading ontology and semantic model design initiatives.
Hands-on expertise with OWL/RDF ontology development, semantic modeling, taxonomy management, and SHACL constraint authoring or equivalent ontology frameworks.
Experience architecting graph-based knowledge systems using platforms such as Neo4j, Amazon Neptune, TigerGraph, GraphDB, Stardog, Apache Jena, Spanner Graph, or similar technologies.
Strong proficiency in Python and SQL, with working knowledge of Google Cloud Platform services including BigQuery, Dataplex, and Vector Search.
Experience establishing data governance frameworks, including business glossaries, KPI definitions, lineage standards, access controls, and metadata governance.
Proven ability to collaborate with technical and business stakeholders to resolve complex data modeling challenges and drive enterprise architecture decisions.

These will help you stand out:

Direct experience with Spanner Graph, Graph Query Language (GQL), or advanced property graph implementations.
Experience designing knowledge architectures that support agentic AI, retrieval-augmented generation (RAG), or Vertex AI/Gemini solutions.
Telecommunications industry experience, including familiarity with OSS/BSS environments and TM Forum frameworks such as SID and eTOM.
Google Cloud Professional Data Engineer, Professional Cloud Architect, or equivalent cloud certifications.
Experience leading enterprise-scale semantic transformation initiatives across complex, multi-source data ecosystems.

We're excited to meet people who share our mission and can make an impact in a variety of ways. Don't hesitate to apply, even if you only meet the minimum requirements listed. Think about your transferable experiences and unique skills that make you stand out as someone who can bring new and exciting things to this role.

Salary and Other Compensation :

Applications will be accepted until November 29, 2026

The annual salary for this position is between $ 130,000 - $ 160,000 depending on experience and other qualifications of the successful candidate.

This position is also eligible for Cognizant’s discretionary annual incentive program, based on performance and subject to the terms of Cognizant’s applicable plans.

Benefits: Cognizant offers the following benefits for this position, subject to applicable eligibility requirements:

Medical/Dental/Vision/Life Insurance
Paid holidays plus Paid Time Off
401(k) plan and contributions
Long-term/Short-term Disability
Paid Parental Leave
Employee Stock Purchase Plan

Disclaimer: The salary, other compensation, and benefits information is accurate as of the date of this posting. Cognizant reserves the right to modify this information at any time, subject to applicable law.

Cognizant is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to sex, gender identity, sexual orientation, race, color, religion, national origin, disability, protected Veteran status, age, or any other characteristic protected by law.

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Jobs in the United States