ARKA Group, LP ยท 7 hours ago
Principal AI/ML Engineer (Large Language Model) (TS/SCI) {S}
King of Prussia, PA
Full-time
Onsite
Lead/Staff
10+ years expARKA Group, LP is an advanced technologies company serving the U.S. military and intelligence community. The Principal AI/ML Engineer will lead the development of AI/ML algorithms, focusing on applications such as natural language processing and large language models, while mentoring a team of developers and researchers.
AerospaceCommunication HardwareHardwareInformation TechnologyManufacturingOptical CommunicationSoftware
No H1B
Security Clearance RequiredU.S. Citizen Only
Responsibilities
Lead and mentor a multidisciplined team consisting of developers and researchers to implement machine learning algorithms to solve a broad set of challenges for our various customers
Apply Large Language Models (LLMs) to a variety of applications within remote sensing such as tasking collections, identifying gaps in collection plans, analyzing patterns of life, and more
Fine tune foundation models and building adaptors for new applications (llama factory, PEFT)
Apply retrieval augmented generation (RAG) techniques to data to populate and query vector databases (e.g. Weaviate)
Build custom applications with LLM frameworks such as LangChain, DSPy
Deploy LLM solutions across cloud-based and local resources using kubernetes (llama.ccp, vllm etc)
Analyze large multi-domain datasets such as images, text and/or graph data, to identify statistically relevant features to build models that provide analysts with actionable data
Review relevant publications to understand and apply cutting edge concepts to defense and commercial applications
Interface with both internal and external leadership to communicate technical status
Qualification
Required
BS in machine learning, computer science, mathematics, or related fields
10+ years of experience, preferably in software development or as a data scientist with 2+ years of building LLM applications using some of the following: Fine-tuning foundational models, Steering Techniques (e.g Sparse auto encoders, representation tuning), Building adapters to use foundational models (e.g. PEFT, llama factory), Prompt engineering techniques / Inference time techniques (e.g. chain of thought, tree of thoughts, etc.), Using Retrieval Augmented Generation techniques to populate and query vector databases (e.g. Weaviate, pinecone), Using LLM Frameworks (e.g. LangChain, DSPy), Using AI APIs ( e.g AWS Bedrock, OpenAI), Using LLM deployment frameworks (eg llama.cpp, vllm, tgi), Developing UIs with ReAct
Experience leading an interdisciplinary team of researchers and software developers and working with a program manager to define project scope and schedule to ensure we meet project milestones as defined by our customers
Experience with Python and data science / machine learning libraries (e.g. PyTorch, TensorFlow, Keras, OpenCV, NumPy, Pandas, Polars, scikit-learn, etc.)
Active TS/SCI U.S. Government Security Clearance
Preferred
MS or PhD in machine learning, computer science, mathematics, or related fields
Experience leading an interdisciplinary team of researchers and software developers
Experience with any of the following Computer Vision domains: Large Language Models and experience identifying ways to incorporate them into new areas and applications, Applying Transformer-based architectures to domains in other areas outside of Natural Language Processing (NLP) such as computer vision, Object detection algorithms such as YOLO and Faster-RCNN, Natural Language Processing algorithms such as BERT, Generative Adversarial Networks and Variational Autoencoders, Reinforcement learning and familiarity with Gymnasium Gym, RLlib, and Stable Baselines, Applying clustering algorithms and/or deep neural networks to real life problems, Implementing tracking and pattern-of-life algorithms
Experience with Machine Learning libraries and frameworks such as HuggingFace and LangChain
Experience with Computer Vision libraries such as OpenCV, Nerfstudio, FiftyOne, etc
Experience with Linux
Familiarity with using AWS cloud computing resources such as EC2, S3, Lambda, etc
Experience with any of the following additional languages: Java, C++, Rust, Go, and/or C#
Experience implementing algorithms on the GPU in Python or C++ using CUDA and other CUDA libraries
Experience with implementing tracking and pattern-of-life algorithms
Experience in application deployment, virtualization, and containerization (e.g. Podman, Docker, Kubernetes, Rancher)
Experience working with various Remote Sensing datasets (e.g. EO/OPIR/SAR images, passive RF, etc.)
Experience shaping and writing proposals
Benefits
Comprehensive medical/vision/dental insurance packages
Company contributions to qualified HSA accounts
401k retirement plan with industry leading company contributions
3 weeks of vacation accrual per year plus time off for sick leave and unscheduled life events
13 paid holidays
Upfront tuition assistance for approved degree programs
Annual bonus program based on company and employee performance
Company paid life insurance, AD&D, Short-Term and Long-Term disability insurance
4 weeks paid Parental Leave
Employee assistance program (EAP)
Company
ARKA Group, LP
We are a fully integrated mission partner providing world-leading technologies and services with an unrivaled reputation for excellence.
501-1000 employees
Funding
Current Stage
Late StageTotal Funding
unknown2025-12-22Acquired
Leadership Team
Brett Gabari
Chief Financial Officer
Recent News
2026-01-09
2025-12-27
2025-12-24
Company data provided by crunchbase