Jobs in the United States

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Added 16 mins ago
TT
Lead Platform Engineer
True Talent Solutions Partners
South San Francisco, CA
- $205,000 to $235,000 USD / year
- Design reliable orchestration and scheduling systems for large-scale bioinformatics workloads using queues, workflows, and state machines.
Added 19 mins ago
SUPERVISORY MECHANICAL ENGINEER
United States Fleet Forces Command
Naval Shipyard, VA
Added 19 mins ago
Interface Engineer
Altamira Technology Corporation
Warrenton, VA
Altamira is looking for an Interface Engineer. This is a new and exciting contract with our customer that will deliver key capabilities to achieve their proliferated architecture. The scope…
Added 19 mins ago
Senior Systems Integration Engineer - Secret
Parsons Corporation
Centreville, VA
Must have an active Secret clearance · Must have a Valid US Passport
Added 19 mins ago
Owner's Representative - Commissioning Coordinator
Parsons Corporation
Centreville, VA
Reviews commissioning procedures/ P&ID, attends technical project technical review meetings (HAZOP/SIL, Design studies etc.); attends vendor workshop for acceptance tests and comments on…
Added 19 mins ago
Industrial Process Engineer
ContiTech
Winchester, VA
We're looking for a detail-oriented and analytical Industrial Process Engineer to join our organization in Winchester, United States. In this role, you will be responsible for optimizing…
Added 19 mins ago
Cyber Data Analysis Engineer III
CACI International
Springfield, VA
A Cyber Data Analysis Engineer designs, builds, and maintains the enterprise environment for collecting, storing, and displaying data that supports cybersecurity efforts. In this role,…
Added 20 mins ago
Power Distribution Senior Designer
MasTec Advanced Technologies
RICHMOND, VA · ALEXANDRIA, VA · ARLINGTON, VA
Must have a current valid driver’s license with a clean driving record for up to the past 5 years · Must have a current valid driver’
Added 20 mins ago
ENGINEER STRUCTURAL 3
Huntington Ingalls Industries
Newport News, VA
…This position will support facilities in the new construction project management team. This position manages the design and construction of structural and civil work/systems associated with…
Added 20 mins ago
ENGINEER SYSTEMS 1
Huntington Ingalls Industries
Newport News, VA
…innovative team of professionals ranges from skilled trades to project managers, engineers and software developers to solution architects, technical subject matter experts, and system…
Added 20 mins ago
SOFTWARE DEVELOPMENT ENGINEER 1
Huntington Ingalls Industries
Newport News, VA
…innovative team of professionals ranges from skilled trades to project managers, engineers and software developers to solution architects, technical subject matter experts, and system…
Added 20 mins ago
Satellite Communication Engineer
SAIC
Chantilly, VA
Must possess an active TS/SCI clearance
Added 20 mins ago
Cyber Engineer Lead
ManTech
Chantilly, VA
ManTech is seeking a motivated, career and customer-oriented Cyber Engineer Lead , serving as the CLIN-level manager, to join our team in the Chantilly, VA, area.
Added 20 mins ago
Controls Engineer, Data Center, Colocation Regional Engineering - AMER
Amazon
Herndon, VA
As a Controls Colo Engineer, you will work with internal business teams and with colocation vendors to identify, document, and resolve any operational/design deficiencies which could impact…
Added 20 mins ago
DC Civil Engineer, DCDE AMER Civil East, AWS DC Engineering
Amazon
Herndon, VA
AWS is seeking a Data Center Civil Engineer to join its East Design team.
Added 20 mins ago
CyberSecurity SIEM Engineer (Senior SDC)
EY
Richmond, VA · McLean, VA · Chantilly, VA · Arlington, VA
To qualify for the role you must have
Added 20 mins ago
Software Engineer (IBM Cognos)
Highmark Health
Richmond, VA
This job is an integral member of an agile software engineer team responsible for building complex scalable software applications across all digital channels to serve our customers. The…
Added 20 mins ago
Technical Engineer
Highmark Health
Richmond, VA
This job is an integral member of one of our teams responsible for supporting the design, development, and maintenance of our technical solutions, ensuring their efficient and reliable…
Added 20 mins ago
AI Engineer – Agentic AI & Applied Generative AI- Senior Associate
PwC
Richmond, VA
What You Must Have
Added 20 mins ago
Instrumentation & Controls Engineer SME – Hyperscale Data Centers
Jacobs
Reston, VA · Arlington, VA · Richmond, VA · Ashburn, VA
…to the status of various projects. Your expertise will shape project execution, influence design strategy, and strengthen our delivery…
Added 20 mins ago
Staff Eng, Process Control
Smurfit Westrock
West Point, VA
During project design, assists with coordinating the development of control logic and system configuration between the Operating Department and control system suppliers. Participate in…
Added 21 mins ago
ENGINEER SYSTEMS 1
HII
Newport News, VA
…innovative team of professionals ranges from skilled trades to project managers, engineers and software developers to solution architects, technical subject matter experts, and system…
Added 21 mins ago
EG
AI Automation Analyst
Eliassen Group
Richmond, VA
- $70 to $75 USD / hour
…network and drive operational excellence. The role will identify, design, and deliver intelligent automation across home-grown platforms and enterprise systems, leveraging Python, UI Path…
Added 28 mins ago
EC
Engineer IV
Element Consulting
Los Angeles, CA, CA
- $230,000 to $250,000 USD / year
Seeking a senior electrical engineer to act as LAWA’s principal technical representative to the Los Angeles Department of Water and Power (LADWP) and other third-party agencies and…
Added 39 mins ago
AC
Manufacturing Design Engineer
Axiom Custom Products
Portland, OR
- $70,000 to $85,000 USD / year
Generally, regardless of level of expertise, the Design Engineer (DE) ensures designs are profitable and within established budgets. They work closely with internal teams to understand…

Closed listing

Cognizant

Senior Knowledge Graph & Ontology Architect

Charleston, WV, 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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About employer

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.

About employer

More about this job

Skills

Change management
Neo4j
BigQuery
Security regulations
REST Assured
Python
SQL
Google Cloud
Data modelling
Telecommunication industry
BSS

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Jobs in the United States