
Principal Software Engineer / Data Engineer (Onsite)
RTX Corporation2 months ago
Richardson, TX, USAStaff+
Base Salary
$108k - $205k/yr
Responsibilities
- Design, build, and maintain enterprise ontologies and knowledge graphs using OWL, RDF, and SPARQL.
- Collaborate with domain experts, data engineers, AI/ML engineers, data scientists, and business stakeholders to formalize concepts, relationships, and rules.
- Develop taxonomies, controlled vocabularies, and semantic metadata schemas across operational and business domains.
- Integrate ontology structures with enterprise data platforms, AI/ML pipelines, analytics environments, data products, dashboards, and reporting tools.
- Define and enforce standards for entity definitions, data lineage, metadata management, data governance, and master data management.
- Monitor ontology performance and usage, identify gaps, and drive continuous improvement.
- Evaluate ontology management tools and platforms for scalability and interoperability.
- Document complex technical concepts for technical and non-technical audiences.
Requirements
- A STEM degree and 8 years of relevant experience are typically required.
- Experience using OWL, RDF, RDFS, SPARQL, and related W3C semantic web standards is required.
- Experience with ontology development tools such as Protégé or TopBraid Composer is required.
- Experience developing conceptual, logical, and physical data models and canonical data designs is required.
- Experience with graph databases and graph query languages is required.
- Experience collaborating in cross-functional Agile or DevOps environments is required.
- An active and transferable TS/SCI U.S. government-issued security clearance is required before starting.
- U.S. citizenship is required because only U.S. citizens are eligible for the required security clearance.
- Preferred qualifications include experience with Azure, AWS, data fabric, data mesh, lakehouse architectures, digital thread, digital twin, AI/ML programs, linked datasets, semantic enrichment, LLM-grounded knowledge graphs, and RAG pipelines.
- Preferred qualifications include strong SQL, SPARQL, and Cypher skills; relational and NoSQL database experience; data governance, metadata management, and MDM knowledge; and experience mentoring or leading data modeling teams.
Benefits
- Onsite work in Richardson, Texas or Dulles, Virginia.
- Relocation assistance is available.
- Eligible benefits may include medical, dental, vision, life insurance, short- and long-term disability, 401(k) match, flexible spending accounts, flexible work schedules, employee assistance, the Employee Scholar Program, parental leave, paid time off, and holidays.
- Eligible employees may participate in annual short-term and/or long-term incentive compensation programs; payments are not guaranteed.
- The application window is anticipated to remain open for approximately 40 days, subject to candidate flow and business needs.
About RTX Corporation
RTX Corporation builds aerospace and defense systems through its Collins Aerospace, Pratt & Whitney, and Raytheon businesses, serving commercial aviation, the U.S. government, and allied militaries. Its products range from aircraft engines and avionics to radars, missiles, and command-and-control software, sold via long-term OEM programs and defense contracts. Formed in 2020 by the Raytheon–United Technologies merger, RTX is headquartered in Arlington, Virginia and trades on the NYSE as RTX.