Controls Design Engineer - BAS

OPIX Systems, LLC; Lawrenceville (GA); On-site; USD 70,000 - 90,000; Full time

Job summary

Sunstall Inc. is looking for a Controls Design Engineer responsible for designing, documenting, and providing technical support for building automation and control systems. You will translate project requirements into clear control drawings and design packages.

The ideal candidate will have a Bachelor's degree in Engineering and over a year of experience in HVAC controls. Strong proficiency in Microsoft Visio, attention to detail, and the ability to interpret technical documents are essential.

Qualifications

• 1+ years of experience in HVAC controls or building automation.
• Strong proficiency with Microsoft Visio for technical drawings.
• Solid understanding of HVAC systems and control strategies.

Responsibilities

• Develop control system designs for HVAC and building automation systems.
• Create control drawings using Visio, including schematics and wiring.
• Coordinate with project managers and technicians for design execution.

Skills

HVAC controls

Building automation

Microsoft Visio

Attention to detail

Interpretation of construction documents

Education

Bachelor’s degree in Engineering (Mechanical, Electrical, or related field)

Tools

Visio

Job description

Job Summary

The Controls Design Engineer is responsible for the design, documentation, and technical support of building automation and control systems. This role translates project requirements, sequences of operation, and standards into clear, buildable control drawings and design packages that support installation, programming, commissioning, and long‑term operation.

Key Responsibilities

Design & Engineering

• Develop control system designs for HVAC and building automation systems (BAS)
• Create control drawings using Visio (schematics, network diagrams, panel layouts, point‑to‑point wiring)
• Interpret mechanical, electrical, and architectural drawings to develop coordinated control designs
• Develop and review sequences of operation for accuracy, clarity, and constructability
• Select control devices (controllers, sensors, actuators, valves, dampers, relays, power supplies)

Documentation & Submittals

• Produce complete control submittal packages, including:
• Control diagrams
• Points lists
• Network architecture
• Panel layouts
• Device schedules
• Ensure drawings are correctly scaled, labeled, and compliant with company standards
• Revised drawings based on internal QA, customer comments, and field conditions
• Maintain version control and revision tracking

Technical Coordination

• Coordinate with project managers, field technicians, programmers, and commissioning staff
• Support RFI responses related to control design and scope
• Clarify design intent for installation and programming teams
• Participate in design reviews and kickoff meetings

Standards & Quality

• Apply company standards, industry best practices, and applicable codes
• Ensure fail‑safe operation, interlocks, and proper control logic intent
• Support continuous improvement of templates, standards, and design workflows

Required Qualifications

• Bachelor’s degree in Engineering (Mechanical, Electrical, or related field) or equivalent industry experience
• 1+ years of experience in HVAC controls or building automation
• Strong proficiency with MicrosoftVisio for technical drawings
• Solid understanding of HVAC systems and control strategies, sensors, actuators, and control devices, BACnet/IP and MS/TP networks, ability to read and interpret construction documents
• Strong attention to detail and documentation accuracy

Preferred Qualifications

• Experience with Niagara, Distech, Johnson Controls, Siemens, or similar platforms
• Familiarity with commissioning processes and functional testing
• Experience supporting control submittals and construction phases
• Knowledge of low‑voltage wiring practices and panel design

Working Conditions

• Office‑based with periodic job site or field coordination
• May support multiple projects concurrently
• Occasional travel as required for project support