Careers at CSSI

CSSI continues grow as a business, and we know that our success is dependent on the strength of our team. If you have experience with building management systems or HVAC installations, enjoy working with people, and have demonstrated quality customer service, we want to hear from you. See the current openings below and if something interests you, please click here to complete an application and email it to

DDC Control Estimator:

Controls Systems Specialists Inc. is looking for an experienced estimator to design controls for large, complex HVAC projects and provide quotes to mechanical contractors. The estimator will review specifications and construction drawings and will select the Alerton controllers with the necessary inputs and outputs to meet the design engineer’s intent. This is a full time position requiring 5 year’s estimating experience, DDC controls experience is a bonus. We will consider candidates with HVAC or mechanical contracting estimating experience. The position is located in Tampa and limited travel to job sites and contractor offices is anticipated.