Consultant I (Contractor)
Philadelphia, ,
Information Technology
Contract,
On-site
Other/Non Classified
Philadelphia, ,
Contract,
Other/Non Classified
On-site
Information Technology
Job details
Empower our team as a Senior Machine Learning Engineer, where you’ll build and deploy reliable machine learning models that drive real results. We’re seeking someone with deep hands-on experience in traditional ML techniques and Python, your work will be central to our success.
This role is focused on practical model development, not just AI buzzwords. Join us to collaborate with a small, skilled team, sharpen your skills with large-scale data, and contribute directly to production solutions.
Required Skills & Experience
- Senior-level, hands-on experience as a Machine Learning Engineer (not AI/LLM-focused)
- Advanced proficiency in Python, with coding skills comparable to a senior software engineer
- Proven expertise building, training, evaluating, and deploying traditional ML models
- Practical knowledge of Random Forest, XGBoost, and CatBoost (strongly preferred and currently in use)
- Experience using PySpark or another distributed processing framework with machine learning workflows
- Ability to clearly explain ML models and workflow, with real-world examples
- Experience with data preparation, feature engineering, and model evaluation
Desired Skills & Experience
- CatBoost production experience is a plus
- Industry experience is open, telecom not required
- Strong teamwork and communication skills
- Previous experience with small, collaborative ML teams
What You Will Be Doing
Tech Breakdown
- 60% Machine Learning Model Development and Deployment (CatBoost, XGBoost, Random Forest)
- 20% Big Data Processing and Integration (PySpark or equivalent)
- 10% Data Preparation, Feature Engineering, Model Evaluation
- 10% Collaborative Problem-Solving, Documentation, and Team Knowledge Sharing
Daily Responsibilities
- 70% Hands-On ML Model Building, Training, and Tuning
- 15% Collaboration & Explaining Models/Results to Peers
- 10% Technical Documentation & Data Workflows
- 5% Support & Optimization of Models in Production
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About Kelly
Work changes everything. And at Kelly, we’re obsessed with where it can take you. To us, it’s about more than simply accepting your next job opportunity. It’s the fuel that powers every next step of your life. It’s the ripple effect that changes and improves everything for your family, your community, and the world. Which is why, here at Kelly, we are dedicated to providing you with limitless opportunities to enrich your life—just ask the 300,000 people we employ each year.Kelly is committed to providing equal employment opportunities to all qualified employees and applicants regardless of race, color, sex, sexual orientation, gender identity, religion, national origin, disability, veteran status, age, marital status, pregnancy, genetic information, or any other legally protected status, and we take affirmative action to recruit, employ, and advance qualified individuals with disabilities and protected veterans in the workforce. Requests for accommodation related to our application process can be directed to the Kelly Human Resource Knowledge Center. Kelly complies with the requirements of California’s state and local Fair Chance laws. A conviction does not automatically bar individuals from employment. Kelly participates in E-Verify and will provide the federal government with your Form I-9 information to confirm that you are authorized to work in the U.S.
Kelly may use AI-powered tools during the recruitment and hiring process. For full details, including how Kelly uses AI, your rights, and how to request a reasonable accommodation, visit the Recruitment Artificial Intelligence Notice.