Newswise — In this annual special report on "Dream Jobs," IEEE Spectrum profiles 10 amazing engineers who have figured out a way to meld their passions and personal interests into their careers.

~ Christian Francois Antenor-Habazac, technical manager of the Observatoire Volcanologique et Sismologique de Guadeloupe--designs, installs, and maintains the radio-based sensor networks that monitor Guadeloupe's seismic activity.

~ Mary Lou Jepsen, CTO of the One Laptop Per Child project, in Cambridge, Mass.--an effort to build a high-quality $100 laptop for developing countries.

~ Dale Joachim, visiting professor at MIT's Media Lab--designs and deploys cellphone-based arrays to track birds and other wildlife.

~ Frederic Kaplan, researcher at the Ecole Polytechnique Federale de Lausanne in Switzerland--invests futuristic devices such as robots, interactive furniture, and new forms of computers, and explores the social and psychological consequences of introducing these objects into society.

~ Gregory Makhov, Lighting Systems Design, Orlando, Fla.--designs laser equipment for the entertainment industry, produces light shows, and teaches laser safety.

~ Rabih Moussa, Omniglobe Networks, Montreal--designs and installs components for wireless networks in hard-to-reach areas all over the globe.

~ Andrew Paris, forensic investigator, Anderson Engineering of New Prague, Minnesota--investigates electrical and electronic devices suspected of catastrophic malfunction.

~ Vasik Rajlich, chess programmer working in Budapest for British-based Convekta--writes the world's best commercial chess-playing software.

~ Nels Peterson, dinosaur hunter, Museum of the Rockies, Bozeman, Montana--oversees dinosaur excavations and invents new imaging techniques to survey dig sites.

~ Ian Wright, founder of Wrightspeed, Burlingame, Calif.--designs high-performance electric sports cars.