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Senior AI​/ML Engineer - SLM Optimization & Inference

Job in South Sioux City, Dakota County, Nebraska, 68776, USA
Listing for: CNX
Full Time position
Listed on 2026-11-07
Job specializations:
  • Software Development
    AI Engineer (Applied/Software), Machine Learning/ ML Engineer, Data Engineering
Salary/Wage Range or Industry Benchmark: 144964 - 171321 USD Yearly USD 144964.00 171321.00 YEAR
Job Description & How to Apply Below
Job Title:

Senior AI/ML Engineer – SLM Optimization & Inference

Job Description

The intelligent transformation partner. Tech-powered. Intelligence-fueled.

The global technology and services leader that powers the world’s best brands, today and into the future. We’re solution-focused, tech-powered, intelligence-fueled. With unique data and insights, deep industry expertise, and advanced technology solutions, we’re the intelligent transformation partner that powers a world that works, helping companies become refreshingly simple to work, interact, and transact with. We shape new game-changing careers in over 70 countries, attracting the best talent.

The Concentrix Technical Products and Services team is the driving force behind Concentrix’s transformation, data, and technology services. We integrate world-class digital engineering, creativity, and a deep understanding of human behavior to find and unlock value through tech-powered and intelligence-fueled experiences. We combine human-centered design, powerful data, and strong tech to accelerate transformation  will be surrounded by the best in the world providing market leading technology and insights to modernize and simplify the customer experience.

Our game-changers around the world have devoted their careers to ensuring every relationship is exceptional. Senior AI/ML Engineer – SLM Optimization & Inference

We are looking for a hands-on Senior AI/ML Engineer to fine-tune, optimize, and deploy Small Language Models, with a focus on Alibaba Qwen models and production-ready inference performance. In this role, you will help improve model quality, latency, throughput, and GPU efficiency while contributing to real-time audio intelligence pipelines for high-performance, low-latency applications.

This is an opportunity for a senior-level AI/ML engineer who enjoys working close to the model, the infrastructure, and the performance benchmarks—building scalable ML systems that are ready for production.

Responsibilities
  • Fine-tune and optimize Small Language Models, particularly Alibaba Qwen models, for domain-specific use cases.
  • Improve model performance across key metrics, including accuracy, precision, recall, latency, and inference throughput.
  • Optimize model serving using vLLM, SGLang, or similar high-performance inference engines.
  • Develop, enhance, and optimize real-time audio intelligence pipelines for low-latency processing.
  • Benchmark, profile, and tune models for production-scale deployment.
  • Collaborate with engineering and data teams to evaluate model behavior, identify bottlenecks, and improve end-to-end ML system performance.
  • Build reliable, scalable ML workflows that support high-throughput, low-latency AI applications.
  • Apply senior-level technical judgment to balance model quality, infrastructure efficiency, and production performance requirements.
Requirements
  • Strong hands-on experience with PyTorch, Hugging Face Transformers, and LLM/SLM fine-tuning techniques such as LoRA, QLoRA, and PEFT.
  • Practical experience using vLLM or SGLang for high-performance model inference.
  • Experience evaluating and improving model precision, recall, latency, throughput, and inference performance.
  • Strong Python programming and ML engineering skills.
  • Experience with real-time audio AI, speech recognition, ASR, or audio classification is preferred.
  • Experience optimizing AI models for high-throughput, low-latency production environments is preferred.
  • Ability to work hands-on across both SLM model training/fine-tuning and GPU inference optimization.
  • Strong collaboration skills with the ability to partner effectively across engineering and data teams.

The base salary for this position is $ 144,964-$ 171,321 plus incentives that align with individual and company performance.…

Position Requirements
10+ Years work experience
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