Building Automation Systems Design Engineer

Company Description

Capitol Automation, an authorized ABB dealer, specializes in the design, installation, maintenance, and service of building automation systems (BAS) from project inception through completion. We deliver premium, energy-efficient, and sustainable solutions for sites ranging from small standalone facilities to large multi-building complexes.

Role Description

We are seeking a full-time Building Automation Systems Design Engineer based in Sun Prairie, WI. In this role, you will design and develop Direct Digital Control (DDC)-based building automation systems that support HVAC, lighting, and other critical facility operations. You will collaborate with clients, sales, and field teams to gather requirements, develop detailed system designs, documentation, and sequences of operation, while supporting successful installation, integration, and commissioning.

Key Responsibilities

Design panel layouts, electrical wiring diagrams, sequences of operation, point lists, and bills of materials
Develop BAS system architecture, control diagrams, and documentation using tools such as AutoCAD and Visio
Collaborate with clients, sales, and field teams to gather requirements and translate them into effective automation solutions
Support system integration, troubleshooting, validation, commissioning, and ongoing technical support for BAS projects
Maintain project documentation, develop operation manuals, and update as-built drawings
Assist with submittal preparation and coordination with sales and field teams, while building strong client relationships

Qualifications

Demonstrated interest or experience in building automation systems (BAS) design, documentation, and implementation (entry-level candidates with relevant internships, projects, or coursework are encouraged to apply)
Familiarity with industry protocols such as BACnet, Modbus, and LonWorks, or a strong willingness to learn
Proficiency in Visio, AutoCAD, and/or other building automation or design tools
Experience with or understanding of system integration and troubleshooting
Strong analytical and problem-solving skills
High attention to detail with the ability to work both independently and as part of a team
Strong communication and interpersonal skills
Bachelor’s degree in engineering or a related field is preferred; equivalent industry experience or relevant coursework will be considered.

What We Offer

Competitive salary and benefits package
Opportunity to work on diverse, impactful projects with a focus on sustainability
Support for professional development in the growing building automation field

Since 1971, Capitol Mechanical Inc. has been providing exceptional service throughout Wisconsin. We pride ourselves with the many long-lasting relationships we’ve developed in the industry. These relationships have helped us define and refine our capabilities, leading to innovations in our approach that continually deliver enhanced value for our customers. We provide a one-stop shop with the three branches of the Capitol Mechanical Inc. family including design and construction, service and maintenance, and automation. Our goal is to help you throughout the whole life of your HVAC system, from conception to completion to updating. With over fifty years of experience preforming all projects, large and small, Capitol Mechanical Inc. is a name you can be confident will deliver every single time.

Building Automation Systems Design Engineer

Building Automation Systems Design Engineer

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