Manager, Social Media

Who We Are

Arcellx is a public, clinical-stage biotechnology company reimagining cell therapy by engineering innovative immunotherapies for patients with cancer and other incurable diseases. We believe that cell therapies are one of the forward pillars of medicine and our mission is to destroy cancer and advance humanity by developing cell therapies that are safer, more effective, and more broadly accessible.

Our team members are made up of talented innovators and dreamers working from our offices in Rockville, Maryland, and Redwood City, California. At Arcellx, we hire exceptional people and create a fun, diverse, supportive, and informal environment that allows everyone to do their best work.

What Matters to Us

Living our core values is essential to maintaining a work environment that is high-performing, inclusive, and collaborative. We look for candidates who demonstrate strong values alignment and bring different backgrounds, viewpoints, and abilities to the team.

Arcellx Core Values

• Start with authenticity: We foster an inclusive environment where each person can bring their authentic self to work.

• Think ‘we’ before ‘me’: We prioritize collective success, collaborating and supporting one another to achieve our shared goals. 

• Embrace the challenge: We deliver exceptional results by working with shared determination and a commitment to doing what’s right.

The “Fine Print” – What You’ll Do

The Manager, Scoial Media is a creative and thoughtful communications professional who will focus on elevating and amplifying Arcellx’s corporate and executive thought leadership story mining through social media channels.

This person will develop editorial strategies, including curating content, maintaining a content calendar, managing reviews, scheduling, distribution, and performance measurements across all external platforms and channels, such as graphics, videos, infographics, and long-form articles. This person will manage all external digital platforms, including LinkedIn, X, and Glassdoor, ensuring they are up to date with the latest company developments, research updates, clinical trials, investor relations content, and other corporate information. Collaborate with cross-functional teams to create fresh, engaging content that represents the company’s innovations and achievements.

The candidate must be an excellent writer and storyteller with the ability to craft thoughtful communications that will engage audiences (internally and externally) and create a unique POV for topics relevant to the executive team, company, and team members.

Skills and Experience We Look For

• Bachelor's degree and at least 3+ years of related experience in journalism, digital media, public relations, in-house, or at an agency. Experience in the biotechnology or pharmaceutical industry is highly preferred.
• Knowledge of and experience with multiple online channels (YouTube, LinkedIn, X, mobile devices), with a track record of growing and engaging online audiences.
• Strong attention to detail, project management, copy editing, and a solid understanding of multimedia and visual storytelling are essential.
• Must be able to take feedback and quickly adapt content in a fast-paced environment.
• The ability to translate complicated scientific concepts into engaging content is highly preferred.

 Rewards at Arcellx

Our people are our greatest asset, and supporting their well-being is an essential part of delivering on our mission and impacting the lives of patients. Putting this belief into practice means offering strong compensation and benefits.

The base salary range for this position is $120,000 - $160,000 per year. Where a candidate falls within that range is determined by factors such as years of experience. Our compensation package also includes an annual bonus based on company goals and an equity (RSU) grant. We do offer relocation assistance for roles if required.

Our market-leading benefits package includes: 100% coverage for medical, dental and vision for team members and dependents, unlimited vacation, a 3-day weekend every month, fully-paid parental leave for up to 6 months, tuition reimbursement, 401k employer contribution and more. 

Join us in our quest to reimagine cell therapy and destroy cancer. For more on our technology, culture, and team, go to www.arcellx.com.

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