Freelance Building Automation Programmer Jobs in Indiana

Envelop Group is a family of companies focused on the design, installation, service, and ongoing optimization of custom facility technologies that impact every square foot of a building's operations. We work with contractors, building owners, and consulting engineers to provide all the technologies needed for the most advanced, efficient, and secure operation of any facility. As an employee of Envelop Group, you will support all our companies.

The Siemens Building Automation Engineer is responsible for designing, programming, and implementing Siemens-based HVAC building automation (BAS/DDC) systems for commercial facilities. This role focuses on laying out new installation projects, developing control system designs, and supporting the full lifecycle of controls projects from initial engineering through commissioning and closeout.

This position is primarily engineering focused, with responsibility for translating project requirements into functional control system designs, sequences of operation, and system architecture.

What you'll do:

• Design, program, and integrate Siemens-based DDC/building automation systems, including controllers, network architecture, system layouts, and graphical user interfaces, aligned with project requirements and customer objectives.
• Support the full project lifecycle from pre-sales through closeout, including estimating, technical sales support, system design, proposal development, implementation, commissioning, and final delivery.
• Interpret project specifications, drawings, and functional requirements to develop efficient, compliant control strategies and sequences of operation.
• Develop and maintain complete project documentation, including schematics, wiring diagrams, points lists, network layouts, equipment schedules, bills of material, submittals, as-builts, and O&M manuals.
• Configure, program, test, and implement control systems and software to ensure proper functionality and alignment with design intent.
• Support system startup, device verification, network commissioning, integration, and functional performance testing to validate system operation.
• Collaborate with sales engineers, project managers, field teams, subcontractors, and customers to ensure technical alignment, resolve issues, and support successful project execution.
• Troubleshoot system issues, support existing installations, and apply field changes to both software and documentation to maintain accurate system performance and records.
• Maintain detailed documentation of system designs, programming logic, configurations, and project closeout deliverables.
• Participate in design reviews, customer meetings, and internal collaboration efforts, and support training and knowledge transfer to field teams as needed.
• Contribute to standardization efforts and stay current on DDC, building automation, and emerging technologies to support continuous improvement.
• Perform other duties as assigned.

Required skills, knowledge, and experience:

• Bachelor's degree in electrical engineering, mechanical engineering, or related field. Equivalent training and experience may be considered.
• 2+ years of experience in building automation, HVAC controls, or related engineering field.
• Exposure to Siemens building automation systems or similar DDC platforms.
• Understanding of HVAC systems, including air handling units, chillers, boilers, VAV systems, and related equipment.
• Ability to read and interpret control drawings, schematics, and sequences of operation.
• Strong analytical, problem-solving, and critical-thinking skills with the ability to work independently and exercise sound judgment.
• Proficiency with Microsoft Office (Word, Excel, Outlook); experience with AutoCAD or similar tools.
• Strong verbal and written communication skills, with the ability to explain technical concepts clearly to both technical and non-technical audiences.

Physical Demands:

• Work is performed in an office environment and requires the ability to operate standard office equipment including but not limited to laptop, email, smartphone, and tablet.
• Travel to customer job sites which requires the ability to work in a variety of circumstances, including but not limited to standing, walking, bending, kneeling, crouching, crawling, climbing ladders, scaffolds, and high-lift equipment; working in ducts, crawl spaces, roofs, basements, above ceilings, and in outside/inside/heat/cold/day/night conditions.
• Specific vision abilities required include close vision, color vision, peripheral vision, depth perception, and the ability to adjust focus.
• Must be able to maintain a professional appearance.
• May be required to satisfy requirements imposed by specific projects, customers, or company.
• Must be able to carry and move equipment and tools weighing 25 pounds unassisted.

Qualified applicants must be legally authorized for employment in the United States without the need for employer-based sponsorship currently or in the future.

Pre-hire requirements include a drug test, a driving report, evidence of insurability and a background check.