536 Refining jobs in Washington,DC

OYSTER OYSTER

Washington, DC 20001

Balos Estiatorio

Washington, DC 20036

SimVentions, Inc - Glassdoor ✪ 4.6

Lorton, VA 22079

HII

Alexandria, VA 22314

2 years of related experience with High School diploma/GED and/or certification in assigned area preferred
Experience programming and operating CNC tools
Must be experienced using conventional lathes and milling machines
Must be proficient in the use and reading of various measurement devices including but not limited to rulers and scales, micrometers, calipers, gauges, etc.
Experience reading and interpreting engineering drawings

Center for Climate and Energy Solutions

Washington, DC 20005

Vantor

Mc Lean, VA 22101

To be eligible for this position, you mustbe a U.S. Person, defined as a U.S. citizen, permanent resident, Asylee, or Refugee.
_Export Control/ITAR:_ Certain roles may be subject to U.S. export control laws, requiring U.S. person status as defined by 8 U.S.C. 1324b(a)(3).
This position requires an active U.S. Government Security Clearance at the TS/SCI level with required polygraph.
Bachelor's degree in computer science or related area of study.
Senior Labor Category: Minimum 8 years of experience with a Bachelor's degree; or 7 years of experience with a Master's degree; or 6 years of experience with a Doctorate.
Active/current TS/SCI with required polygraph.
US citizenship required.
Proficiency in Python and common data/AI libraries.
Experience developing AI/ML applications, including LLM-integrated applications, RAG workflows, or similar retrieval-based capabilities.
Experience with agent-based programming concepts, AI frameworks, and tool-based LLM application development.
Strong understanding of AI/ML foundational concepts, including transformers, algorithms, LLM behavior, data processing, and model integration patterns.
Experience designing, developing, or integrating REST APIs to retrieve, process, or exchange data across systems.
Familiarity with production-ready application development practices, including reliability, maintainability, testing, and deployment considerations.

Milton Hershey School

Takoma Park, MD 20913

Uber

Washington, DC 20011

21 years old or older
A 4-door vehicle
A valid U.S. driver's license and vehicle insurance
At least one year of driving experience in the U.S. (3 years if you're under 23 years old)