Machine Learning Engineer

McKinsey & Company; Tempe (AZ); On-site; USD 76,000 - 104,000; Part time

Job summary

McKinsey & Company in Tempe, AZ seeks a Machine Learning Engineer who can switch between A/B Testing and Databricks, delivering internship projects with real ownership.

You will pair with cross-functional partners, push CV changes behind flags, and carry features from whiteboard to production, mentoring newer hires on LLM wiring; the role blends Spark work with Excel growth. The position promises a dynamic review cycle and clear expectations.

Qualifications

• Reliability and consistent performance in high-pressure settings.
• Strong communication and team collaboration across functions.
• Willingness to ask clarifying questions before decisions.
• Independent judgment and problem-solving under ambiguity.

Responsibilities

• Pair with cross-functional partners to scope and deliver internship projects.
• Push Computer Vision changes safely behind flags so Tempe, AZ rollbacks take seconds.
• Carry features from whiteboard sketch to Tempe, AZ production without dropping the baton.
• Mentor newer mid-level hires on how McKinsey & Company wires Large Language Models together.
• Ship Apache Spark fixes to McKinsey & Company customers in Tempe, AZ the same day they report them.
• Spot the high-growth Statistical Modeling anti-pattern in review before it spreads through McKinsey & Company.

Skills

Reliability

Interpersonal skills

Curiosity

Critical thinking

Tools

Apache Spark

Databricks

Excel

Job description

McKinsey & Company needs a Machine Learning Engineer in Tempe, AZ who can context-switch between A/B Testing and Databricks without losing the plot or their patience. This is where 4 years becomes $76,000 - $104,000, where internship hours meet real technology ownership, and where McKinsey & Company bets on you.

Key Responsibilities

• Pair with cross-functional partners to scope and deliver internship projects
• Push Computer Vision changes safely behind flags so Tempe, AZ rollbacks take seconds
• Carry features from whiteboard sketch to Tempe, AZ production without dropping the baton
• Mentor newer mid-level hires on how McKinsey & Company actually wires Large Language Models together
• Ship Apache Spark fixes to McKinsey & Company customers in Tempe, AZ the same day they report them
• Spot the high-growth Statistical Modeling anti-pattern in review before it spreads through McKinsey & Company

What You'll Bring

• The kind of reliability that earns you the hard assignments
• Strong rapport-building skills and a genuinely positive presence
• A bias toward asking the dumb question before the expensive mistake
• Critical thinking skills and sound, independent judgment

The whole point of McKinsey & Company is to make Work Ethic dependable, and that quick-to-ship mission has anchored it in Tempe from day one. The McKinsey & Company promise is plain: clear expectations, real autonomy, and zero surprise reviews.

The Machine Learning Engineer role earns $76,000 - $104,000 and opens doors to cross-functional projects that accelerate your Apache Spark and Excel growth.

Applications submitted this week are going straight into our current review cycle.