Data Scientist
Role summary
Mantis Security is seeking a Data Scientist to join their Cyber Operations team. This role involves designing, developing, and evaluating systems and products throughout their lifecycle, with a focus on cyber defense and information assurance. The Data Scientist will gather functional requirements, design interfaces, and integrate system elements. Key responsibilities include implementing DevSecOps CI/CD pipelines, performing security hardening, and working with cloud technologies. The position requires deep proficiency in ontology languages (RDF, OWL, SHACL) and SPARQL, along with strong Python skills for data science and ML model development. Experience with engineering best practices like Git and CI/CD is essential. An active TS/SCI adjudication is required.
Description:
Mantis Security is a leading specialty firm of high caliber talent who specialize in Cyber Operations, Cyber Defense, Information Assurance, Software Development, DevSecOps, Security Engineering, and Cloud Engineering. We enable and protect our nation's most important IT assets and invest in the long-term career development of every employee! We are currently looking for the next Data Scientist to join our team of experts!
What you will be doing:
Using a holistic approach, designs, develops, evaluates and modifies end-to-end systems and systems-oriented products through their entire life cycle. Establishes and coordinates development of standards, practices, and procedures as related to the overall product development. Informed by daily interaction with functionals customers, gathers functional requirements, designs interfaces and brings system elements together so they work as a whole. Assesses performance using evaluation criteria and technical performance measures. Participates in system conceptual design and documentation of the design concepts. Participates in design reviews of components (hardware and software) to ensure applicability to the current system and traceability of requirements through compliance verification and validation. Implements DevSecOps CI/CD pipelines using tools such as Jenkins, Git, and Artifactory. Performs security hardening, patching and server certificate updates. Works with Cloud technologies. Develops documentation for System Installation Plans and System Administration Guides.
Requirements:
Required Qualifications
- A bachelor’s degree and 14 years of relevant experience OR a Master’s degree with 12 years of relevant experience OR A PhD with 9 years of relevant experience
- Prefer an advanced degree in Philosophy, Computer Science, Information Science, or a quantitative field, or equivalent experience.
- Deep proficiency in ontology languages (RDF, OWL, SHACL) and vocabularies (SKOS).
- Strong SPARQL skills; experience with semantic ETL, query optimization, and graph reasoning.
- Proficiency in Python (plus R/Java as needed) for data science, graph processing, and ML model development.
- Strong engineering practices: Git, PR workflow, testing/validation, CI/CD.
- Active TS/SCI adjudication with ability to obtain a CI Poly.
Desired Qualifications
- Hands-on experience with ontology/graph platforms such as Protégé, AnzoGraph, Stardog, PoolParty, or Semaphore.
- Experience integrating disparate datasets into a unified semantic model and writing effective production-grade queries.
- Familiarity with upper ontologies (BFO, DOLCE, Common Core Ontologies, OBO Foundry).
- Knowledge of machine learning, including supervised/unsupervised methods, embeddings, and model fine tuning.
Similar roles
Senior Data ScientistAviva Canada · Toronto, Ontario, Canada · Hybrid- Sr. Data ScientistBurtch Works · Reading, Pennsylvania, United States · Onsite
Data ScientistMANTECH · Ashburn, Virginia, United States · Hybrid
Junior Data ScientistApplied Research Associates, Inc · Fort Belvoir, Virginia, United States · Onsite- Data ScientistBrooksource · Houston, Texas, United States · Onsite
