Company Description

Customized Energy Solutions (CES), a privately-held company, is a leading service provider of market intelligence and operational support services to companies participating in the retail and wholesale electric and natural gas markets. Utilizing deep know-how developed since the inception of the deregulated energy markets, CES provides accurate & timely analysis on regulatory changes, market opportunities, and operational efficiencies for electricity and natural gas commodities. CES is also a third-party asset manager of more than 13,000 MWs of renewable and conventional generation resources across all ISOs in the United States, Ontario, Canada and Guam. CES empowers clients to achieve their goals by helping them navigate the evolving energy markets, complex market rules, and new energy technologies.

Join a rapidly growing company in an exciting and dynamic work environment. As one of the top 100 fastest growing companies in the Philadelphia region, Customized Energy Solutions offers an opportunity for significant professional growth.

Customized Energy Solutions Ltd. has been recognized regionally and nationally for its impressive and sustained growth, including INC. 500 | 5000 and The Philadelphia Business Journal as a Top 100 Companies in Philadelphia, Hall of Fame for five or more consecutive years. It was ranked as one of the “Best Places to Work” by the Philadelphia Business Journal.

Our team of associates at CES is highly motivated, innovative, and passionate about providing excellent Services to our clients. We look for individuals interested in growing with our company, and working in an exciting, open and collegial work environment. Our main office is in Philadelphia, with satellite offices in various U.S. states, Canada, Japan, India and Vietnam.

Job Description

We’re seeking a motivated entry-level AI/ML Engineer to help build cutting-edge AI agents and machine learning solutions. This is an excellent opportunity for a recent graduate or early-career professional to gain hands-on experience with production AI systems, including RAG models, MCP endpoints, and anomaly detection, while working alongside experienced engineers.

Key Responsibilities

Develop and support RAG AI agents (LangSmith/LangGraph)
Deploy and maintain MCP servers (FastMCP on AWS ECS)
Contribute to anomaly detection and smart alarming models on Databricks
Write clean, maintainable Python code and participate in reviews
Collaborate with senior engineers on design and implementation
Document technical work, test, debug, and optimize models
Support data pipeline and preprocessing workflows

Qualifications

Bachelor’s/Master’s in CS, Data Science, or related field (or equivalent experience)
Foundational ML knowledge and Python skills
Basic cloud experience (AWS preferred)
Familiarity with Git and strong problem-solving skills
Excellent communication and teamwork abilities
Able to work onsite in Philadelphia 3 days per week

Preferred

Exposure to LLM/RAG frameworks (LangChain, LangSmith)
Experience with Docker/ECS, Databricks, or MLOps practices
Familiarity with SQL, vector databases, or anomaly detection projects

What We Offer

Hands-on work with modern AI/ML tech
Mentorship and growth opportunities
Competitive compensation and benefits
Hybrid, collaborative work environment

Technical Stack You'll Work With

AI/ML Frameworks: LangSmith, LangGraph, FastMCP
Cloud Infrastructure: AWS (ECS, S3, Lambda)
ML Platform: Databricks
Languages: Python, SQL
Version Control: Git
Monitoring: MLflow, CloudWatch

Additional Information

At Customized Energy Solutions, we provide a competitive salary based on experience, along with performance-based bonuses, full health coverage, and tuition reimbursement to support your growth. Additional benefits include:

Hands-on experience with state-of-the-art AI/ML technologies
Mentorship from experienced engineers
Professional development and training opportunities
Clear growth paths in a rapidly evolving field
A collaborative hybrid work environment

Customized Energy Solutions provides equal employment opportunities to all applicants without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or status as a protected veteran.

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