$120 - $155/hr
Develop and refine prompt engineering strategies across multiple foundation models and use cases * Create evaluation frameworks and benchmarking infrastructure to systematically measure model ...
$120 - $155/hr
Develop and refine prompt engineering strategies across multiple foundation models and use cases * Create evaluation frameworks and benchmarking infrastructure to systematically measure model ...
$150 - $190/hr
You'll be at the forefront of designing and refining algorithms that go beyond the capabilities of ... Expertise in programming languages and tools critical for high-performance computing in Python/C ...
$150 - $190/hr
You'll be at the forefront of designing and refining algorithms that go beyond the capabilities of ... Expertise in programming languages and tools critical for high-performance computing in Python/C ...
$140 - $200/hr
... refined tailored clothing and sartorial accessories. We strive to capture timeless style upgraded ... The Senior AI/ML Engineer helps move AI from consultant-led pilots to a sustainable internal ...
$140 - $200/hr
... refined tailored clothing and sartorial accessories. We strive to capture timeless style upgraded ... The Senior AI/ML Engineer helps move AI from consultant-led pilots to a sustainable internal ...
$168 - $240/hr
Formulate and refine complex AI prompts to consistently produce secure and optimized Infrastructure ... Experience leading software engineering teams and managing technical infrastructure projects.
New
$168 - $240/hr
Formulate and refine complex AI prompts to consistently produce secure and optimized Infrastructure ... Experience leading software engineering teams and managing technical infrastructure projects.
New
$100 - $160/hr
You will work closely with designers and backend engineers to ship frequently, refine relentlessly, and deliver a trading experience for fast moving markets. What You'll Build & Solve Core Interfaces:
$100 - $160/hr
You will work closely with designers and backend engineers to ship frequently, refine relentlessly, and deliver a trading experience for fast moving markets. What You'll Build & Solve Core Interfaces:
$75 - $110/hr
The Software Engineer understands the LiminalArc Point of View (PoV) for Engineering principles and ... Writes user stories and collaborates with teams to refine and implement them * Engages in product ...
New
$75 - $110/hr
The Software Engineer understands the LiminalArc Point of View (PoV) for Engineering principles and ... Writes user stories and collaborates with teams to refine and implement them * Engages in product ...
New
$59 - $98/hr
Successful candidates will use prior engineering skills relevant to the valve industry to assist ... Our 100,000 sq. ft. facility is located in Houston, Texas, in the heart of the Texas refining and ...
New
$59 - $98/hr
Successful candidates will use prior engineering skills relevant to the valve industry to assist ... Our 100,000 sq. ft. facility is located in Houston, Texas, in the heart of the Texas refining and ...
New
Lead Engineer
Hopkinsville, KY · On-site
$80K - $120K/yr
Improve processes and quality - continuously refine workflows and team capabilities Education & Experience * Bachelor's degree in Mechanical, Electrical, Manufacturing, or related engineering field ...
Lead Engineer
Hopkinsville, KY · On-site
$80K - $120K/yr
Improve processes and quality - continuously refine workflows and team capabilities Education & Experience * Bachelor's degree in Mechanical, Electrical, Manufacturing, or related engineering field ...
Machine Learning Engineer
Louisville, KY · On-site
$62K - $100K/yr
As an AI Engineering team member, you will be instrumental in advancing new features and/or ... Refine user stories and define clear acceptance criteria for feature requests to ensure alignment ...
Machine Learning Engineer
Louisville, KY · On-site
$62K - $100K/yr
As an AI Engineering team member, you will be instrumental in advancing new features and/or ... Refine user stories and define clear acceptance criteria for feature requests to ensure alignment ...
Machine Learning Engineer
Lexington, KY · On-site
$62K - $100K/yr
As an AI Engineering team member, you will be instrumental in advancing new features and/or ... Refine user stories and define clear acceptance criteria for feature requests to ensure alignment ...
Machine Learning Engineer
Lexington, KY · On-site
$62K - $100K/yr
As an AI Engineering team member, you will be instrumental in advancing new features and/or ... Refine user stories and define clear acceptance criteria for feature requests to ensure alignment ...
Process Engineer
Shelbyville, KY · On-site
We are looking for a proactive and detail-oriented Process Engineer to join our team in the ... Develop, document, and refine manufacturing processes to enhance productivity, quality, and cost ...
Quick apply
Process Engineer
Shelbyville, KY · On-site
We are looking for a proactive and detail-oriented Process Engineer to join our team in the ... Develop, document, and refine manufacturing processes to enhance productivity, quality, and cost ...
$120 - $180/hr
Prototype, configure, test, and refine AI solutions, serving as a hands-on engineer throughout the solution lifecycle.* Partner with business stakeholders and IT teams to identify opportunities ...
New
$120 - $180/hr
Prototype, configure, test, and refine AI solutions, serving as a hands-on engineer throughout the solution lifecycle.* Partner with business stakeholders and IT teams to identify opportunities ...
New
$164 - $178/hr
Identify opportunities to refine architecture, improve performance, and scale systems while maintaining engineering excellence. Qualifications Required: * 5-12 years of professional software ...
New
$164 - $178/hr
Identify opportunities to refine architecture, improve performance, and scale systems while maintaining engineering excellence. Qualifications Required: * 5-12 years of professional software ...
New
$125 - $155/hr
We are expanding our engineering team to build the next generation of AI-powered financial wellness ... Write and refine prompts to improve response quality and feature performance * Develop Python-based ...
$125 - $155/hr
We are expanding our engineering team to build the next generation of AI-powered financial wellness ... Write and refine prompts to improve response quality and feature performance * Develop Python-based ...
$90 - $130/hr
We are seeking an Aerospace Engineer to own the flight performance, endurance, and mass properties ... Develop and refine endurance, range, loiter, and cruise performance calculations based on flight ...
New
$90 - $130/hr
We are seeking an Aerospace Engineer to own the flight performance, endurance, and mass properties ... Develop and refine endurance, range, loiter, and cruise performance calculations based on flight ...
New
$110 - $150/hr
Within this environment, the Development Controls Engineer will work side by side with Test Engineers, Mechanical Engineers, and cross-functional development teams to create, refine, and validate ...
$110 - $150/hr
Within this environment, the Development Controls Engineer will work side by side with Test Engineers, Mechanical Engineers, and cross-functional development teams to create, refine, and validate ...
$120 - $160/hr
Implement and refine retrieval‑augmented generation (RAG) architectures, including the ... Familiarity with prompt engineering principles and techniques, including the design and ...
$120 - $160/hr
Implement and refine retrieval‑augmented generation (RAG) architectures, including the ... Familiarity with prompt engineering principles and techniques, including the design and ...
$85 - $120/hr
Collaborate with senior engineers and designers to create and refine detailed design models and drawings. * Conduct research and gather data to support design decisions and project development.
$85 - $120/hr
Collaborate with senior engineers and designers to create and refine detailed design models and drawings. * Conduct research and gather data to support design decisions and project development.
$90 - $120/hr
Work on control systems engineering and designs for large industrial projects in midstream gas processing, petroleum refining, petrochemical, and upstream oil & gas industries.**Responsibilities ...
$90 - $120/hr
Work on control systems engineering and designs for large industrial projects in midstream gas processing, petroleum refining, petrochemical, and upstream oil & gas industries.**Responsibilities ...
$90 - $120/hr
Plant Process Engineer SALARY FT EXEMPT Hammond, IN, US 3 days ago Requisition ID: 1439 Backed by ... Chem32 sulfides and activates catalysts for refining and renewable fuel processes What we offer:
New
$90 - $120/hr
Plant Process Engineer SALARY FT EXEMPT Hammond, IN, US 3 days ago Requisition ID: 1439 Backed by ... Chem32 sulfides and activates catalysts for refining and renewable fuel processes What we offer:
New
Refinery Engineer information
See Kentucky salary details
$51.7K - $63K
14% of jobs
$69.8K is the 25th percentile. Wages below this are outliers.
$63K - $74.3K
19% of jobs
$74.3K - $85.7K
12% of jobs
The median wage is $89.6K / yr.
$85.7K - $97K
17% of jobs
$97K - $108.3K
12% of jobs
$110.3K is the 75th percentile. Wages above this are outliers.
$108.3K - $119.7K
14% of jobs
$119.7K - $131K
7% of jobs
$131K - $142.3K
3% of jobs
$142.3K - $153.7K
0% of jobs
$153.7K - $165K
1% of jobs
$165K - $176.3K
2% of jobs
$51.7K
$97K
$176.3K
How much do refinery engineer jobs pay per year?
As of Sep 3, 2026, the average yearly pay for refinery engineer in Kentucky is $96,955.00, according to ZipRecruiter salary data. Most workers in this role earn between $69,900.00 and $115,100.00 per year, depending on experience, location, and employer.
What is a refinery engineer?
Refinery Engineers are professionals who design, operate, and optimize processes in oil refineries to convert crude oil into usable products such as gasoline, diesel, and jet fuel. They are responsible for ensuring the efficiency, safety, and environmental compliance of refinery operations. Their duties often include troubleshooting equipment, improving process performance, and implementing new technologies to maximize output and minimize waste. Refinery Engineers typically have a background in chemical or process engineering and work closely with other engineers, operators, and maintenance personnel.
What are the key skills and qualifications needed to thrive as a refinery engineer?
To thrive as a Refinery Engineer, you need a solid background in chemical or mechanical engineering, process optimization, and safety standards, typically supported by a relevant engineering degree. Familiarity with process simulation software (such as Aspen HYSYS), industry regulations, and certifications like Professional Engineer (PE) licensure are commonly expected. Strong problem-solving, teamwork, and effective communication skills set outstanding engineers apart in managing complex operations. These abilities are crucial for ensuring safe, efficient, and cost-effective refinery performance in a highly regulated industry.
What are some typical challenges refinery engineers face when working on process optimization projects?
Refinery Engineers often encounter challenges such as balancing process efficiency with safety and environmental regulations, integrating new technologies with legacy systems, and troubleshooting complex process issues. Coordinating with multidisciplinary teams—like operations, maintenance, and environmental compliance—is essential to ensure changes are practical and sustainable. Adaptability and strong communication skills are key, as process optimization projects can involve shifting priorities and tight deadlines.
What is the difference between Refinery Engineer vs Process Engineer?
| Aspect | Refinery Engineer | Process Engineer |
|---|---|---|
| Credentials | Bachelor's in Chemical, Mechanical, or Petroleum Engineering; Professional Engineer (PE) license often preferred | Bachelor's in Chemical, Mechanical, or Industrial Engineering; PE license optional |
| Work Environment | Refineries, petrochemical plants, industrial facilities | Manufacturing plants, chemical processing facilities, industrial settings |
| Industry Usage | Primarily in oil refining and petrochemical industries | Broader across manufacturing, chemical, and process industries |
Refinery Engineers focus specifically on oil refining processes, safety, and optimization within refineries, while Process Engineers work across various industries to improve manufacturing processes. Both roles require similar technical skills and credentials but differ mainly in industry focus and work environment.
What does a refinery engineer do?
A refinery engineer designs, develops, and oversees the processes used to convert crude oil into usable products like gasoline, diesel, and jet fuel. They monitor equipment, optimize operations for safety and efficiency, and ensure compliance with environmental regulations, often using control systems and requiring technical certifications. Their work environment is typically a refinery or chemical plant, and they may work shifts to maintain continuous operations.
What are popular job titles related to Refinery Engineer jobs in Kentucky?
For Refinery Engineer jobs in Kentucky, the most frequently searched job titles are:
What job categories do people searching Refinery Engineer jobs in Kentucky look for?
The top searched job categories for Refinery Engineer jobs in Kentucky are:
What cities in Kentucky are hiring for Refinery Engineer jobs?
Cities in Kentucky with the most Refinery Engineer job openings:
$120 - $155/hr
Other
Posted 9 days ago
Job description
About the Role
Join our engineering team at the forefront of applied AI to design and build production-grade ML features that power the core product experience. You'll shape the future of how our platform leverages large language models, retrieval-augmented generation, and intelligent automation — working across the full lifecycle from rapid prototyping to reliable, scalable production systems.
What You'll Do- Design and implement LLM-powered features and intelligent workflows that solve real customer problems
- Build and optimize retrieval-augmented generation (RAG) pipelines including document ingestion, chunking strategies, embedding models, and vector search
- Develop and refine prompt engineering strategies across multiple foundation models and use cases
- Create evaluation frameworks and benchmarking infrastructure to systematically measure model performance, accuracy, and cost-effectiveness
- Implement guardrails, output validation, and safety filtering to ensure reliable and trustworthy AI behavior in production
- Monitor and optimize token usage, latency, and inference costs across multi-model architectures
- Collaborate closely with product and engineering teams to identify high-impact AI opportunities and translate them into shipped features
- 3+ years of experience in machine learning or AI engineering, with hands-on experience building LLM-powered applications
- Strong proficiency in Python with production-level software engineering practices
- Experience building RAG systems with vector databases (Pinecone, Weaviate, pgvector, or similar) and document processing pipelines
- Solid understanding of NLP fundamentals, prompt engineering, function calling, and tool-use patterns
- Familiarity with LLM orchestration frameworks such as LangChain, LlamaIndex, or equivalent
- Experience with cloud platforms (AWS, Azure, or GCP) for deploying and scaling ML workloads
- Ability to design evaluation criteria and measure AI output quality systematically
- Experience building AI systems in regulated, high-security, or compliance-driven environments
- Background in MLOps — model versioning, experiment tracking, CI/CD for ML pipelines
- Hands-on experience fine-tuning or distilling open-source models (LLaMA, Mistral, etc.)
- Experience with multi-agent frameworks, autonomous agent architectures, or tool-use orchestration
- Published research or technical writing in NLP, information retrieval, or applied ML