The Sigma Commercial companies were founded by Milwaukee-based entrepreneur Jeffrey L. Koenig, a lifelong Milwaukee resident with a passion for real estate, construction, architecture, and business. Quality, attention to detail, and a focus on our client's needs drive our hard-working staff.
At Sigma Commercial we are always looking for qualified, hard working individuals to join our team. If you are as passionate about your craft as we are about construction, please send us your resume along with a description of your skills to the address below.
Positions currently open:
Construction project manager
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