The agency is seeking the 'ultimate' apprentice to work behind-the-scenes at key events including the Super Bowl in California and the Olympic Games in Rio de Janeiro.
The chosen apprentice may also have the chance to work at the 2016 UEFA European Championships in Paris, the Sundance Film Festival in Hollywood and the Extreme Sailing Series in Sydney.
The agency will employ the apprentice on a 12-month contract with a salary and expenses.
Entrants must submit a CV and a 90-second video explaining why they are suitable for the role. They must be eligible to work in the UK, be over the age of 18 and have a strong understanding of the marketing and events industry.
Potential apprentices will be put through a four-stage interview process, including a written assessment and sports marketing pitch.
The deadline for entries is 11.59pm on 16 September, with the winner to be announced on or around 11 November.
James Hunt, managing director of GMR Marketing EMEA, said: "The apprentice will get to witness first-hand the reason that broadcasters and sponsors invest into sports and entertainment as fans and audiences engage in their passion."
Owen Evans, editor of SportBusiness International, added: "This is a fantastic chance for someone to gain 20 years’ experience in just 12 months. It is the perfect fast-track ticket for anyone looking to make a name for themselves in sports marketing."
Comment below to let us know what you think.