In a busy week for new job postings, Gamasutra's jobs board plays host to roles across the world and in every major discipline, including opportunities at Activision, Irrational, Zynga, and more.

Each position posted by employers will appear on the main Gamasutra job board, and appear in the site's daily and weekly newsletters, reaching our readers directly.

It will also be cross-posted for free across its network of submarket sites, which includes content sites focused on online worlds, cellphone games, 'serious games', independent games and more.

Some of the notable jobs posted this week include:

- Activision: Online Technical Director: "Headquartered in Santa Monica, California, Activision is a leading worldwide developer, publisher and distributor of video games. Our company has created, licensed and acquired a group of highly recognizable brands that it markets to a growing variety of consumer demographics. We are seeking individuals who will participate and contribute to our growth, and who will enjoy our fun, dynamic and highly focused business environment."

- Irrational Games: Level Builder: "Irrational Games is an award winning video game developer located in Quincy, MA. The team made its name with the first person shooter System Shock 2, Freedom Force games, SWAT 4 and Tribes: Vengeance. In 2005 Irrational Games was acquired by Take-Two Interactive and renamed 2K Boston in 2007, for the release of the critically acclaimed BioShock, which went on to win over 50 awards including Best Game from BAFTA. In 2010 the team returned to its roots by reclaiming the Irrational Games moniker."

- Zynga Dallas: Art Director: "We are a fast-paced technology company connecting millions of friends through games everyday. At Zynga, you will find smart, creative people who are passionate about taking on new challenges. Whether you are a developer, designer, or a customer service manager, there's an opportunity here for you to level up and be your own CEO." - Day 1 Studios: Tools Software Engineer: "We have an opportunity for an exceptional software engineer to join our tools group. The candidate will work with content creators to develop tools and features that maximize productivity. We create cross-platform games with fast-paced action and cutting-edge technology."

- Hansoft: Software Engineer (C++): "Feel like joining a small, award winning team, to develop new cutting edge features in the Hansoft application, used by leading developers around the world such as BioWare, Bang & Olufsen, Kojima, the Swedish Space Corporation and CCP? We are searching for a talented programmer that takes pride in code craftsmanship and high quality application design."

To browse hundreds of similar jobs, and for more information on searching, responding to, or posting game industry-relevant jobs to the top source for jobs in the business, please visit Gamasutra's job board now.