2026-1207 LANGUAGE DATA ANALYST

Mountain Cat LLC; McLean (VA); On-site; USD 120,000 - 160,000; Full time

Job summary

Mountain Cat LLC seeks a data science specialist to advance AI/ML tools in multilingual environments, including NLP pipelines and large-scale text analytics. The role involves training ML models, organizing foreign-language datasets, and developing search capabilities for multilingual data while translating complex concepts for non-technical stakeholders.

A strong learning mindset and clear communication are essential.

Qualifications

• Active TS/SCI clearance with Poly.
• Ability to pass an English grammar test.
• Working proficiency in one of the listed languages (Arabic, Chinese, Farsi, Korean, Kurdish, Russian, Spanish, Ukrainian).
• Ability to pass a translation test from the source language into English with ILR level 2.
• Basic functional ability with Python data science libraries and scripting to automate multilingual data tasks.
• Experience with large data sets and machine learning models.
• Strong initiative, curiosity, and eagerness to learn.

Responsibilities

• Train ML models and build NLP pipelines.
• Develop advanced search and textual analytics for multilingual data collections.
• Organize, manage, and enrich growing datasets in foreign languages.

Skills

TS/SCI clearance

NLP pipelines

ML models

Python data science

Multilingual data wrangling

Communication skills

Team collaboration

Problem-solving

Adaptability to new tech

Arabic

Chinese

Farsi

Korean

Kurdish

Russian

Spanish

Ukrainian

ML pipelines

Tools

SQL

NoSQL

JSON

TMX

TBX

XLIFF

SRT

Job description

Improves artificial intelligence/machine learning (AI/ML) tools and other applications in the client’s work environment, such as machine translation, speech or text recognition, input methods, data mining, and other areas of human-machine interactions related to languages. Tasks may include but are not limited to:

• Train machine learning (ML) models and build natural language processing (NLP) pipelines.
• Develop advanced search functions and textual analytics for big data collections in foreign languages.
• Organize, manage, and enrich growing datasets in foreign languages.

REQUIRED SKILLS, EXPERIENCE & QUALIFICATIONS

• Active TS/SCI clearance with Poly.
• Ability to pass an English grammar test.
• Working proficiency in one of the following languages: Arabic, Chinese, Farsi, Korean, Kurdish, Russian, Spanish, Ukrainian.
• Ability to pass a translation test from the source language into English with a minimum of 2 on the Interagency Language Roundtable (ILR) Scale.
• Basic functional ability with Python data science libraries, and the scripting knowledge to apply those skills to automate processes involving multilingual data.
• Experience working on large data sets and machine learning models.
• Intellectual curiosity: strong personal initiative to pursue learning opportunities and expand knowledge and skill set.
• Excellent communication skills, especially the ability to explain complex technical issues to a nontechnical audience in graphical, verbal, and or written formats.
• Knowledge of core and emerging Human Language Technologies.
• Ability to adapt to new technologies and grasp new concepts quickly.
• Ability work both independently and as a team player.
• Proactive problem-solving skills.

PREFERRED SKILLS, EXPERIENCE & QUALIFICATIONS

• Demonstrated experience with multilingual data wrangling.
• Demonstrated experience loading and curating data in SQL or noSQL database systems.
• Knowledge of translation management processes, translation data formats (e.g., TMX, TBX, XLIFF, SRT, JSON) and conversion processes.
• Familiarity with or willingness to learn about computer-assisted translation tools and workflows.