Engineering Services and Training: Site and Print Copy

Budget: $1,000 to $2,500

We are a company offering engineering services and training on engineering topics - we are looking for a copywriter who understands technology and engineering, but can write without "tech speak". 
Please provide links to portfolios to marketing copy for technical training/services. 
You can be based anywhere: however, you should be comfortable using online collaboration tools and timesheets. Copy can be used for print/web campaigns and for our website.