Internal Communications Intern

Celsius Open · verified Sep 10, 2026

On-site Boca Raton Junior Communications

Entry-level Communications role at Celsius. Boca Raton.

Role brief

Growth Roles summary, based on the employer's posting.

What you'll do

Create intranet and newsletter content through research, writing, editing, and basic design
Find employee stories with HR, Marketing, Sales, and Operations, then turn them into internal content
Review communication workflows and suggest better ways to collect, distribute, and measure content
Use AI tools to improve content production and communication processes
Track engagement data, recommend performance improvements, and support recognition programs and wider communications work

What you bring

Prior experience from an internship, campus activity, or project in communications, PR, HR, marketing, or a related area
Full-time enrollment in a related bachelor’s program, entering junior or senior year
Strong writing, editing, organization, and deadline-management skills
Experience working with different teams and stakeholders, plus interest in internal communications, employee engagement, and AI tools
At least 18 years old and able to work on-site in Boca Raton five days per week

Who this fits

This internship suits a full-time student who wants hands-on work in internal communications, employee experience, storytelling, and content strategy. You should be comfortable collaborating across teams, managing multiple priorities, and working in the food and beverage or CPG space. The role is fully on-site at the Boca Raton headquarters five days per week and does not include people management.

From the employer

If you’re reading this on your way from 5am spin class to festival fast-pass, you’re CELSIUS®— an everyday hustler with the essential energy to aim high and go the extra mile wherever your goals take you.

Joyful by design, sunny by nature, and unapologetically bold. If your bestie has you saved in their phone as “Icon,” you’re ALANI NU® — confident, colorful, and bringing main-character energy to every moment.

SoCal in your soul, attitude in your stride. If gravity doesn’t stop you and “impossible” sounds more like “dare you,” you’re ROCKSTAR®— a born rebel, raising the bar with mind-body energy and zero compromise.

---

Together, we’re Celsius Holdings, Inc.— a global CPG company united by three powerhouse brands and one incredibly talented team.

At Celsius, we pride ourselves on empowering our people. Every employee has a stake in our success. We create a collaborative culture built on inclusivity, innovation, and a belief that great ideas can come from anywhere.

And we’re on our way to building something bigger: a category where energy isn’t just consumed, it’s lived—where performance meets personality, brand becomes community, and every can crack sparks a statement.

This is the future of modern energy. This is Celsius.

Ready to take your career to the next level? Join our team and redefine what it means to be energized.

Internal communications intern

In-Office: Based full-time at CELSIUS® Headquarters in Boca Raton, FL

People Management Responsibilities: No

Role Type: Internship

Position Overview

As the Internal Communications Intern, you’ll support the development and execution of internal communications strategies that inform, engage, and connect employees across the CELSIUS organization. This is your opportunity to gain hands-on experience within a fast-growing consumer packaged goods (CPG) company while contributing to meaningful employee engagement initiatives, storytelling, and cross-functional communication projects.

You’ll bring strong writing and organizational skills, a collaborative mindset, and an interest in internal communications, employee experience, and content strategy within a dynamic, high-performance environment. This role is based full-time on-site at our Boca Raton, FL headquarters and reports to the Internal Communications team.

Requirements

Experience: Previous internship, campus involvement, or project-based experience in communications, public relations, human resources, marketing, or related fields.
Education: Currently pursuing a Bachelor’s degree in Communications, Journalism, Public Relations, Human Resources, or a related field; must be enrolled full-time and entering junior or senior year
Strong writing, editing, and content development skills
Strong organizational skills with the ability to manage multiple priorities and deadlines
Experience collaborating across teams and engaging with diverse stakeholders
Familiarity with internal communications tools, content management systems, or newsletter platforms
Interest in employee engagement, internal communications strategy, and corporate storytelling
Interest in AI tools (e.g., ChatGPT Enterprise) and their application in communications workflows
Knowledge of or interest in the food & beverage or consumer packaged goods (CPG) industry
Ability to work on-site in Boca Raton, FL, five days per week
Must be 18 years of age or older

Key Responsibilities

Support intranet and internal newsletter content creation, including research, drafting, editing, and basic design
Partner with HR, Marketing, Sales, and Operations teams to identify stories and develop engaging internal communications content
Research and recommend improvements to communications workflows, including content intake, distribution, and performance tracking
Leverage AI-powered tools to enhance content creation, efficiency, and internal communications processes
Analyze internal communications engagement metrics and provide recommendations to improve performance and reach
Assist with employee recognition programs and related communication initiatives
Support broader Communications team projects, including public relations (PR) and investor relations (IR), as needed
Contribute to ongoing process improvements aligned with organizational growth and evolving business priorities