For over 35 years, we’ve been helping the world’s preeminent institutions identify the highest and best uses of capital. Our innovative investment strategies and market-leading technology, backed by a global network of elite quantitative researchers, provide exceptional risk-adjusted returns that help our partners succeed.

With more than $67 billion in investment capital as of early 2026, Citadel is the world’s most successful hedge fund manager by net gains since inception. We operate at the intersection of finance and technology to capture undiscovered opportunities across global markets.

Citadel does business in every major financial hub, principally operating through five primary investment strategies—Equities, Fixed Income & Macro, Commodities, Credit & Convertibles, and Global Quantitative Strategies—and provides essential liquidity to the broader economy through its market-making affiliate, Citadel Securities.

Financial Services

Citadel

Greenwich, CT

Miami, FL

New York, NY

Quantitative Trader: Equity Quantitative Research - Intern (US)

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Houston, TX

Machine Learning Researcher - PhD Intern (US)

Software Engineer - Intern (US)

Citadel Securities

Trader: Fixed Income & Macro Rotational Trader - Intern (US)

Quantitative Research Engineer - PhD Intern (US)

Quantitative Trader - Intern (US) (Trading and Research)

Quantitative Researcher - PhD Intern (US)

Quantitative Researcher - Post-Doctoral Intern (US)

Quantitative Research Analyst - Intern (US)

Presidential Staffing Solutions, LLC

Technical Network Support Engineer

Lumen is the trusted network for the AI-powered world, connecting people, data, and applications through one of the world’s most expansive fiber networks. We enable secure, high-performance connectivity across cloud, edge, and AI workloads for enterprises, governments, and communities.
 
Everything we do at Lumen takes advantage of our network strength. From metro connectivity to long-haul data transport to our edge cloud, security, and managed service capabilities, we meet our customers’ needs today and as they build the future.

Information Technology and Services

Lumen

Herndon, VA

Denver, CO

Cloud Security Engineer II

URGENT, Inc.

STEAM Learning Coach, Middle School

UFC Gym

Wayne, NJ

Hendersonville, TN

Chicago, IL

Las Vegas, NV

Alhambra, CA

San Diego, CA

Murrieta, CA

Brea, CA

Sunnyvale, CA

Hilo, HI

Kailua, HI

Mililani, HI

Waipahu, HI

Honolulu, HI

Puyallup, WA

Plantation, FL

Pembroke Pines, FL

Oxnard, CA

Doral, FL

City of Industry, CA

MMA Coach

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Rosemead, CA

Personal Trainer

Murfreesboro, TN

Huntington Beach, CA

Fitness Coach

2026 Computer Science Opportunities in Miami, FL

2026 Computer Science Opportunities in Miami, FL

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