Kevin Hell, left, and Rory Moore, right, watch Brandon Wilson assemble a product at Pixon Imaging. Hell is chairman of the EvoNexus incubator, which brings technology firms such as Pixon to maturity. Moore is CEO of the nonprofit CommNexus San Diego, which oversees EvoNexus. Thousands of local high-tech engineering jobs are left unfilled this Labor Day.

Kevin Hell, left, and Rory Moore, right, watch Brandon Wilson assemble a product at Pixon Imaging. Hell is chairman of the EvoNexus incubator, which brings technology firms such as Pixon to maturity. Moore is CEO of the nonprofit CommNexus San Diego, which oversees EvoNexus. Thousands of local high-tech engineering jobs are left unfilled this Labor Day. Photo by Melissa Jacobs.

Employees comfortable in the world of software bugs, JavaScript and C++ can find thousands of jobs available in San Diego these days...