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Jobs at Houghton Mifflin Harcourt (Now Hiring) — 32 open

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Ontology Engineer

United States · Remote Solely

$90k–$115k/yr

Senior$800M raised

Job Title: Ontology Engineer Location: Remote Who We Are NWEA® is a division of HMH that supports students and educators through research, assessment solutions, policy and advocacy services, professional learning and sch…

Skills: Ontology engineering, RDF, OWL, SHACL, SKOS

Houghton Mifflin Harcourt logoHoughton Mifflin Harcourt

Mgr Business Solutions

Pune, Maharashtra, India · On-site

Senior$800M raised

HMH is a learning technology company committed to delivering connected solutions that engage learners, empower educators and improve student outcomes. As a leading provider of K–12 core curriculum, supplemental and inter…

Skills: Data Engineering, Business Intelligence, Team Leadership, Snowflake, Informatica

Houghton Mifflin Harcourt logoHoughton Mifflin Harcourt

Sr Delivery Lead (Salesforce)

Bhurai In, Jammu and Kashmir, India · On-site

Senior+$800M raised

HMH is a learning technology company committed to delivering connected solutions that engage learners, empower educators and improve student outcomes. As a leading provider of K–12 core curriculum, supplemental and inter…

Skills: Salesforce, Program Management, Project Management, Agile, Scrum

Houghton Mifflin Harcourt logoHoughton Mifflin Harcourt

Delivery Lead

Bhurai In, Jammu and Kashmir, India · On-site

Senior$800M raised

HMH is a learning technology company committed to delivering connected solutions that engage learners, empower educators and improve student outcomes. As a leading provider of K–12 core curriculum, supplemental and inter…

Skills: Agile Project Management, Stakeholder Management, Software Development Delivery, Jira, Confluence

Houghton Mifflin Harcourt logoHoughton Mifflin Harcourt

Account Executive - NJ

United States · On-site

$85k–$87k/yr

Mid level$800M raised

NWEA® is a division of HMH that supports students and educators through research, assessment solutions, policy and advocacy services, professional learning and school improvement services that fight for equity, drive cla…

Skills: Sales Strategy, Account Management, Business Development, Customer Relationship Management, Market Analysis

Houghton Mifflin Harcourt logoHoughton Mifflin Harcourt

Learning Scientist (Mathematics)

United States · Remote OK

$95k–$105k/yr

Senior$800M raised

Job Title: Learning Scientist, (Mathematics) Location: Remote (Can work from anywhere in Unites States) Who We Are NWEA® is a division of Houghton Mifflin Harcourt that supports students and educators through research, a…

Skills: Mathematics Education, Learning Science, Knowledge Graph Development, Ontology Development, Quantitative Research

Houghton Mifflin Harcourt logoHoughton Mifflin Harcourt

Content Specialist (ELA)

United States · Remote OK

$85k–$90k/yr

Senior$800M raised

HMH is a learning technology company committed to delivering connected solutions that engage learners, empower educators and improve student outcomes. As a leading provider of K–12 core curriculum, supplemental and inter…

Skills: ELA Pedagogy, Pre-sales Presentations, K-12 Teaching, Camtasia, Salesforce

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Sr UX Designer

New York, United States · Remote OK

$95k–$103k/yr

Mid level$800M raised

Job Title: Senior UX Designer Location: Remote Who We Are HMH is a learning technology company committed to delivering connected solutions that engage learners, empower educators, and improve student outcomes. As a leadi…

Skills: UX Design, Product Design, Figma, WCAG Compliance, User Research

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ELD & Intervention Account Executive - Small Accounts

Washington, United States · Remote OK

$48k–$53k/yr

Mid level$800M raised

HMH is a learning technology company committed to delivering connected solutions that engage learners, empower educators and improve student outcomes. As a leading provider of K–12 core curriculum, supplemental and inter…

Skills: Consultative Selling, Complex Deal Management, SFDC, Territory Management, Sales Forecasting

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Learning Scientist- Early Literacy

United States · Remote Solely

$95k–$105k/yr

Senior$800M raised

Job Title: Learning Scientist, Early Literacy Location: Remote (Can work from anywhere in Unites States) Who We Are NWEA® is a division of Houghton Mifflin Harcourt that supports students and educators through research, …

Skills: Early Literacy, Science of Reading, Quantitative Research, Qualitative Research, Model Development

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Financial Systems Mgr

United States · On-site

$100k–$110k/yr

Senior$800M raised

HMH is a learning technology company committed to delivering connected solutions that engage learners, empower educators and improve student outcomes. As a leading provider of K–12 core curriculum, supplemental and inter…

Skills: Anaplan Model Building, Financial Planning & Analysis, Solution Architecture, Data Integration, Budgeting

Houghton Mifflin Harcourt logoHoughton Mifflin Harcourt

Anaplan Financial Systems Manager

United States · On-site

$100k–$110k/yr

Senior$800M raised

HMH is a learning technology company committed to delivering connected solutions that engage learners, empower educators and improve student outcomes. As a leading provider of K–12 core curriculum, supplemental and inter…

Skills: Anaplan, Financial Planning & Analysis, Solution Architecture, Model Building, Data Integration

Houghton Mifflin Harcourt logoHoughton Mifflin Harcourt

Sr Machine Learning Engineer

Bhurai In, Jammu and Kashmir, India · On-site

Senior$800M raised

HMH is a learning technology company committed to delivering connected solutions that engage learners, empower educators and improve student outcomes. As a leading provider of K–12 core curriculum, supplemental and inter…

Skills: Python, TensorFlow, PyTorch, Scikit-learn, AWS

Houghton Mifflin Harcourt logoHoughton Mifflin Harcourt

Field Account Executive- Northern CA

California, United States · On-site

$75k–$87k/yr

Mid level$800M raised

HMH is a learning technology company committed to delivering connected solutions that engage learners, empower educators and improve student outcomes. As a leading provider of K–12 core curriculum, supplemental and inter…

Skills: Strategic Sales Planning, Relationship Management, New Business Development, Salesforce.com, Market Trend Analysis

Houghton Mifflin Harcourt logoHoughton Mifflin Harcourt

Lead AP Coord

Bhurai In, Jammu and Kashmir, India · On-site

Senior$800M raised

HMH is a learning technology company committed to delivering connected solutions that engage learners, empower educators and improve student outcomes. As a leading provider of K–12 core curriculum, supplemental and inter…

Skills: Accounts Payable, Vendor Management, Excel, ERP Systems, SAP

Houghton Mifflin Harcourt logoHoughton Mifflin Harcourt

Data Engineer

Bhurai In, Jammu and Kashmir, India · On-site

Mid level$800M raised

HMH is a learning technology company committed to delivering connected solutions that engage learners, empower educators and improve student outcomes. As a leading provider of K–12 core curriculum, supplemental and inter…

Skills: Data Engineering, Informatica MDM, Snowflake, SQL, AWS

Houghton Mifflin Harcourt logoHoughton Mifflin Harcourt

Dir Sales - Northern California

California, United States · Remote OK

$110k–$125k/yr

Senior$800M raised

HMH is a learning technology company committed to delivering connected solutions that engage learners, empower educators and improve student outcomes. As a leading provider of K–12 core curriculum, supplemental and inter…

Skills: Sales Leadership, Pipeline Management, Forecasting, Strategic Planning, Stakeholder Management

Houghton Mifflin Harcourt logoHoughton Mifflin Harcourt

NYC Part-Time Instructional Coach

United States · Hybrid

Senior$800M raised

HMH is a learning technology company committed to delivering connected solutions that engage learners, empower educators and improve student outcomes. As a leading provider of K–12 core curriculum, supplemental and inter…

Skills: Instructional Coaching, Professional Development, K-12 Education, Literacy Content, Teacher Mentoring

Houghton Mifflin Harcourt logoHoughton Mifflin Harcourt

Sr Analytics Engineer

United States · Remote OK

$125k–$135k/yr

Senior$800M raised

Job Title: Senior Analytics Engineer Location: Remote Who We Are NWEA® is a division of Houghton Mifflin Harcourt that supports students and educators through research, assessment solutions, policy and advocacy services,…

Skills: SQL, Python, Data Modeling, ETL Pipelines, Machine Learning Lifecycle

Houghton Mifflin Harcourt logoHoughton Mifflin Harcourt

Account Executive - Small Accounts

United States · Remote Solely

$50k–$55k/yr

Mid level$800M raised

HMH is a learning technology company committed to delivering connected solutions that engage learners, empower educators and improve student outcomes. As a leading provider of K–12 core curriculum, supplemental and inter…

Skills: Consultative Selling, Complex Deal Management, SFDC, Territory Management, Sales Forecasting

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Showing 1–20 of 32

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Ontology Engineer

Houghton Mifflin Harcourt

United States • Remote Solely

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Senior

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  • $90k–$115k/yr
  • Full-time
  • postgraduate degree
  • Posted 1d ago
  • Apply by Aug 17
  • ~40 hrs/week
  • Remote in United States

Responsibilities

The Ontology Engineer develops and maintains logical, semantically rich ontologies to structure knowledge for K-12 education products. They collaborate with cross-functional teams to integrate data systems and ensure knowledge representation aligns with enterprise objectives.

Requirements

Candidates must possess an advanced degree in a relevant field and demonstrate proficiency in ontology modeling languages like RDF, OWL, and SHACL. Experience with semantic technologies, graph databases, and software engineering practices such as CI/CD and version control is required.

Full job description

Job Title: Ontology Engineer

Location: Remote 

 

Who We Are

 

NWEA® is a division of HMH that supports students and educators through research, assessment solutions, policy and advocacy services, professional learning and school improvement services that fight for equity, drive classroom impact and push for systemic change in our educational communities. For nearly 50 years, NWEA has developed innovative pre-K–12 assessments, including their flagship interim assessment, MAP® Growth™ and their reading fluency and comprehension assessment, MAP® Reading Fluency™. For more information, visit NWEA.org to learn more. 

 

What You’ll Do

 

The Ontology Engineer plays a pivotal role in shaping our organization's knowledge structure. They are responsible for developing and managing ontologies that underpin our information systems, facilitating better data organization and knowledge discovery.

 

Responsibilities

 

  • Develops and maintains logical, semantically rich, and extensible ontologies that define and structure knowledge and underpin the K-12 education domain and HMH products.
  • Supports integration between the ontology management system and source data management repositories, including triple store development and investigation by writing SPARQL queries against RDF, OWL or validating with SHACL.
  • Ensures the accuracy and consistency of ontological structures by performing regular quality checks and updates as needed.
  • Collaborates with cross-functional teams to understand their information needs and provide ontological solutions that support their objectives.
  • Creates comprehensive documentation for ontologies and knowledge graphs, making them accessible to both technical and non-technical stakeholders.
  • Coordinates with the Data engineering and operations, and content development teams to ensure the knowledge representation is aligned with enterprise data systems.

 

 

What You’ll Need

 

  • Advanced degree in philosophy, computer science, information science, or quantitative field, or equivalent experience.
  • Proficiency in ontology modeling languages such as RDF, OWL, or SHACL and vocabularies such as SKOS.
  • Demonstrate advanced knowledge of ontology modeling languages such as RDF, OWL, or SHACL, and vocabularies like SKOS.
  • Familiarity with query languages like SQL and SPARQL or other property graph query languages like Gremlin, openCypher.
  • Experience with semantic data integration and using graph databases/triplestores, including modeling tradeoffs, query optimization, and operational considerations for production use.
  • Experience with ontologies, knowledge graphs, and/or semantic technologies such as Stardog, Protégé, Semaphore, PoolParty, or related ontology management systems.
  • Experience using foundational/top-level ontologies, especially Basic Formal Ontology (BFO), Descriptive Ontology for Linguistic and Cognitive Engineering (DOLCE), Common Core Ontologies, or OBO Foundry.
  • Experience integrating multiple disparate data sets into a common vocabulary and writing effective queries for use in a production environment.
  • Be skilled in integrating multiple disparate data sets into a common vocabulary and writing effective queries for production environments.
  • Hands-on experience with high-level programming and scripting languages, such as Python, R, and Java.
  • Strong software engineering practices applied to semantic and analytics assets: git, pull requests/code review, test/validation practices (e.g., SHACL/dbt tests where applicable), and CI/CD-aware release discipline.
  • Excellent problem-solving skills and easily adapt to new technologies, trends, and frameworks.

 

Physical Requirement

  • Might be in a stationary position for a considerable time (sitting and/or standing).
  • Constantly operates computer.
  • Must be able to collaborate with colleagues via conference calls and online meetings.

 

Salary range:  90k – 115k annually.

 

Application Deadline: 

The application window for this position is anticipated to close August 16, 2025. We encourage you to apply as soon as possible. The posting may be available after this date but is not guaranteed. 

 

 

HMH is fully committed to Equal Employment Opportunity and to attracting, retaining, developing and promoting the most qualified employees without regard to race, gender, color, religion, sexual orientation, family status, marital status, pregnancy, gender identity, ethnic/national origin, ancestry, age, disability, military status, genetic predisposition, citizenship status, status as a disabled veteran, recently separated veteran, Armed Forces service medal veteran, other covered veteran, or any other characteristic protected by federal, state or local law. We are dedicated to providing a work environment free from discrimination and harassment, and where employees are treated with respect and dignity. We actively participate in E-Verify.

#LI-VA1

Related keywords

Ontology EngineerRDFOWLSHACLSKOSSPARQLSQLGremlinopenCypherStardogProtégéSemaphorePoolPartyBasic Formal OntologyDOLCEOBO Foundry

About Houghton Mifflin Harcourt

LinkedInVisit site
Industry
E-Learning Providers
Company size
1,001-5,000 employees
Headquarters
Boston, Massachusetts
LinkedIn followers
161,755
Total funding
$800M

Please visit us at our new company page, HMH. We are an adaptive learning company that empowers educators. With a focus on what moves each learner, HMH delivers what teachers need to foster growth and build lasting momentum for all students. We create integrated K-12 learning solutions for core, supplemental, intervention, assessment, and professional learning--delivered on one streamlined platform. Our technology adapts to every learning environment, uncovering smarter insights about students and helping educators act on what motivates them. ​​ - 90% of U.S. K-12 schools use HMH programs. ​​ - 50 million students in 150 countries use HMH's research-backed learning programs. ​​ - 1.9 average years of student growth can be gained in one year by using HMH intervention solutions. ​​ Learn how HMH can help improve growth for every student in your district.

Offices: 125 High St, Boston, Massachusetts 02110, US · 152-160 Pearse Street, Dublin, County Dublin 2, IE · 2700 La Frontera Blvd, Round Rock, TX 78681, US · 9400 Southpark Center Loop, Orlando, FL 32819, US · 3 Park Ave, New York, NY 10016, US

Education SolutionsInteractive LearningEducation Publishingand Learning TechnologyHealth DiagnosticsHealth CareContentEducationEBooksE-Learning
View all jobs at Houghton Mifflin Harcourt

About Houghton Mifflin Harcourt

LinkedInVisit site
Industry
E-Learning Providers
Company size
1,001-5,000 employees
Headquarters
Boston, Massachusetts
LinkedIn followers
161,755
Total funding
$800M

Please visit us at our new company page, HMH. We are an adaptive learning company that empowers educators. With a focus on what moves each learner, HMH delivers what teachers need to foster growth and build lasting momentum for all students. We create integrated K-12 learning solutions for core, supplemental, intervention, assessment, and professional learning--delivered on one streamlined platform. Our technology adapts to every learning environment, uncovering smarter insights about students and helping educators act on what motivates them. ​​ - 90% of U.S. K-12 schools use HMH programs. ​​ - 50 million students in 150 countries use HMH's research-backed learning programs. ​​ - 1.9 average years of student growth can be gained in one year by using HMH intervention solutions. ​​ Learn how HMH can help improve growth for every student in your district.

Offices: 125 High St, Boston, Massachusetts 02110, US · 152-160 Pearse Street, Dublin, County Dublin 2, IE · 2700 La Frontera Blvd, Round Rock, TX 78681, US · 9400 Southpark Center Loop, Orlando, FL 32819, US · 3 Park Ave, New York, NY 10016, US

Education SolutionsInteractive LearningEducation Publishingand Learning TechnologyHealth DiagnosticsHealth CareContentEducationEBooksE-Learning
View all jobs at Houghton Mifflin Harcourt

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