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 Microsoft Game Studios, Ubisoft, NetDevil 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:

Gamasutra.com - Game Industry Jobs

Microsoft Game Studios: Lead Software Development Engineer
"Would you like to work on a next-generation project, built from the ground up in MGS? We have a very strong team, currently responsible for Gears of War 2, starting a new project in a start-up like environment. This is a rare opportunity to work on a team of game industry experts tackling a new challenge."

THQ, Kaos Studios: AI Programmer
"Kaos Studios is located in the heart of New York City and is mere blocks from the Empire State Building and the thrill of Midtown Manhattan. Along with the opportunity to live in one of the most exciting cities in the world, we also just finished up one of the most exciting FPS titles to date. Frontlines: Fuel of War (PC/XBOX360) is already receiving great press and that's just the beginning!"

Ubisoft San Francisco: Lead Designer
"Ubisoft Entertainment, a global leader in the video games and entertainment software industry, is currently seeking a full-time Lead Designer. We are looking for a highly talented, motivated and experienced person to help guide the creation of an exciting new cross-platform music based game."

Underground Development/Activision: Environment Artist
"The ideal candidate has experience modeling and texturing assets for a diverse visual range of environments. A solid grasp of form, color, and light for both 2D and 3D art assets is essential. The environment artist must be able to show talent in either one of the traditional skills (illustration, modeling, texturing, animation, or concept drawing) and be able to show 3d environments that illustrates that the artist understands what goes into crafting a great looking video game level."

WorldsInMotion - Online Games

NetDevil: Social Designer
"The Social Designer is responsible for design and creation, maintenance, and oversight of all socialization features in the AAA MMOG, LEGO Universe. This includes responsibility for safety and consumer service issues, in order to provide a premium, trusted online experience for 'kids of all ages'."

Working Library: Senior Software Engineer
"Working Library is a Manhattan-based digital creative agency. We are currently seeking a game programmer to develop content for a virtual world environment on PlayStation Home. If you want to develop cutting-edge creative on a new platform, we have a place for you here!"

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. Our success is measured in the complete satisfaction of our customers, the superb quality of our products, and the adherence to our core principles of integrity and accountability. We operate in a team environment that supports individual growth, unhindered communication, the high morale of our team, the recognition of extraordinary achievement, and the fostering of the creative spirit."

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.