Copy Editor

Sorry, this job was removed at 06:19 p.m. (CST) on Tuesday, Aug 26, 2025
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San Jose, CA
In-Office
AdTech • Marketing Tech
The Role

The Copy Editor is responsible for overall quality assurance for creative produced for a client. He/she understands the brand guidelines of assigned clients and ensures that all creative materials produced are copy-accurate as well as content-accurate and adheres to brand standards.

You will: 

  • Maintain a thorough knowledge and understanding of brand guidelines
  • Ensure optimal quality of all communications developed for assigned clients, including grammar, spelling, consistency, and content accuracy
  • Communicate with project managers to manage time
  • Partner with the writers to ensure that the creative vision is achieved
  • Actively solicit additional information from writers or client team to ensure content/copy is accurate
  • Researches and validates content accuracy

You have: 

  • 1-2 years of copyediting experience
  • Content editing experience is a plus
  • Knowledge of grammatical standards/styles
  • Proficiency in MS Office
  • Able to make good judgment calls
  • Able to work in team environment
  • Strong problem-solving skills
  • Able to work with little to no supervision and direction

What We Offer: 

  • Maternity and parental leave extra days
  • Competitive benefits packages
  • Vacation, compassionate leave, sick days, and flex days
  • Access to free online services for families and new parents
  • Diversity and Inclusion Board with 12 affinity groups
  • Internal learning and development programs
  • Enterprise-wide employee discounts
  • And more…

At Critical Mass, we value our employees and offer competitive compensation and benefits packages. If you’re looking for a challenging and rewarding opportunity to make a significant impact on the lives of our employees, we encourage you to apply for this exciting position today!

The Talent Team at Critical Mass focuses on providing the best training, onboarding, and employee experience possible! Our new hires & employees are the future of our organization, and we want to set you up for long-term success. In an effort to do so, we expect our team to work from an office a minimum of 3 days a week.

Critical Mass is an equal opportunity employer. 

The Critical Mass Talent Acquisition team will only communicate from email addresses that use the URLs criticalmass.com, omc.com and us.greenhouse-mail.io. We will not use apps such as Facebook Messenger, WhatsApp, or Google Hangouts for communicating with you. We will never ask you to send us money, technology, or anything else to work for our company. If you believe you are the victim of a scam, please review your local government consumer protections guidance and reach out to them directly.

If U.S. based: https://www.consumer.ftc.gov/articles/job-scams#avoid
If Canada based: https://www.canada.ca/en/services/finance/consumer-affairs.html
If U.K. based: https://www.gov.uk/consumer-protection-rights
If Costa Rica based: https://www.consumo.go.cr/educacion_consumidor/consejos_practicos.aspx 

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The Company
Chicago, IL
989 Employees
Year Founded: 1996

What We Do

Critical Mass is a digital experience design agency with a relentless focus on the customer. Founded in Calgary in 1996, we have steadily expanded into a group of over 950 people working in 11 offices across North America, Europe, Asia, Latin America, and South America.

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