In this round-up, we highlight some of the notable jobs posted in big sister site Gamasutra's industry-leading game jobs section this week, including positions from Blizzard, Blue Castle, Ubisoft 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 in each market area this week include: - Game Industry Jobs

Blizzard Entertainment: Software Engineer, Gameplay
"Blizzard Entertainment is seeking an experienced gameplay engineer to focus on game rules systems for an unannounced title. This is your chance to get in on the ground floor of a dynamic and focused team working on a brand new project. Blizzard Entertainment offers a fun, creative, and technically challenging environment with excellent compensation and a full range of benefits."

Blue Castle Games: Lead Environment Artist
"We have an amazing opportunity to lead the charge on one of the industry's most highly anticipated titles - Capcom's Dead Rising 2. If you're an experienced Lead Environment Artist with a proven track record of hands-on open world environment art leadership we want to talk to you. The Lead Environment Artist reports to the Art Director, oversees a team environment artists and is responsible for setting and maintaining the world's aesthetic and technical quality bar."

Ubisoft San Francisco: Lead Programmer
"Ubisoft Entertainment, a global leader in the video games and entertainment software industry, is currently seeking a full-time Lead Programmer to drive the development of a multi-platform next generation title at our San Francisco studio."

Warner Bros. Games: Executive Producer
"The Executive Producer is responsible for overseeing all phases of development for one or more projects from the concept phase through release. The position identifies and communicates goals and risks, on an ongoing basis, to both internal and external stakeholders in the project(s). The Executive Producer has final authority (subject to the approval of the Studio Manager and General Manager) to represent the needs of the studio on any and all project-related issues. On a day-to-day basis, the Executive Producer manages Senior Producers, Producers, Associate Producers and other assigned project team members to monitor tasks and ensure that their projects are tracking in accord with the specified product plan."

WorldsInMotion - Online Games

Carbine Studios: Sr. Game Systems Programmer
"This individual will be primarily responsible for designing, building, testing and documenting major game systems and will need to communicate effectively with artists and designers. Problem solving skills and independent thinking are the hallmark of the ideal candidate."

38 Studios: Graphic Design Artist
"The Graphic Design Artist is responsible for creating artwork for a broad spectrum of needs, from in-game content and interface layout, to website imagery, marketing, and creative promotional projects. This is a full-time time position with competitive salary, full benefits and 401k, and the chance to be part of online gaming history!"

Serious Games Source - Serious Games

IPKeys Technologies: Game Programmer - Software Engineer
"IPKeys' I-GAME team supports the mission of IPKeys in delivering world-class modeling and simulation and interactive gaming technology. We are looking for experienced game programmers to join our rapidly expanding I-GAME Modeling and Simulation team."

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.