Building Automation Systems Design Engineer

Capitol Mechanical, Inc.; Town of Sun Prairie (WI); On-site; USD 70,000 - 90,000; Full time

Benefits offered by this job

Competitive salary & benefits

Diverse, impactful projects

Professional development support

Job summary

Capitol Automation, an ABB dealer, seeks a Building Automation Systems Design Engineer based in Sun Prairie, WI. The role focuses on designing and developing DDC-based BAS for HVAC, lighting, and facility operations, coordinating with clients, sales, and field teams to gather requirements and produce detailed designs and operation sequences.

The engineer will support installation, integration, commissioning, and ongoing technical support, while maintaining thorough documentation and as-built

Qualifications

• Bachelors in engineering or related field preferred; applicable experience may count.
• Familiarity with BACnet, Modbus, or LonWorks (or willingness to learn).
• Proficiency in Visio, AutoCAD, or similar design tools.
• Experience with system integration and troubleshooting.
• Strong communication and interpersonal skills.

Responsibilities

• Design panel layouts, electrical wiring diagrams, sequences of operation, point lists, and BOMs.
• Develop BAS architecture, control diagrams, and documentation using AutoCAD/Visio.
• Collaborate with clients, sales, and field teams to gather requirements and translate into 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, building client relationships.

Skills

Analytical skills

Problem solving

Communication skills

Teamwork

Detail oriented

Education

Bachelor's degree in engineering

Tools

AutoCAD

Visio

Job description

Building Automation Systems Design Engineer

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