Senior Systems Engineer

At Horwitz, we don’t just offer jobs—we build careers. For over 100 years, we’ve been a leader in HVAC, plumbing, electrical services, delivering exceptional service while fostering a supportive and innovative workplace. Joining our team means working with passionate professionals in a culture built on safety, accountability, professionalism, motivation, curiosity, and a can-do attitude.

We’re committed to your growth with training, mentorship, and advancement opportunities. Along with competitive benefits—you’ll be part of a company that values its employees and makes a positive impact in the community. Join Horwitz and become part of a legacy of excellence and opportunity.

The Senior Systems Engineer is responsible for the design, engineering, and implementation of Building Automation Systems across commercial and institutional projects. This role owns the engineering lifecycle—from submittals and control drawings through software, database architecture, and user interface design. This position requires a highly self-sufficient engineer who can translate construction documents into clean, executable control systems, support field startup and commissioning, and deliver systems that are stable, maintainable, and trusted by operators.

These responsibilities generally describe the nature of the position and may not be all inclusive:

• Engineering & Design:
  • Develop complete BAS submittals, including system architecture, sequences of operation, points lists, and network diagrams
  • Produce clear, constructible control drawings and wiring diagrams
  • Interpret construction documents, specifications, and intent into executable control strategies
  • Ensure engineering designs are technically sound, consistent, and field‑ready
• Software & Programming:
  • Design and implement BAS controller and supervisory software
  • Develop and maintain reusable control logic and engineering standards
  • Support system startup, testing, and optimization
  • Diagnose and resolve complex software and sequence issues
• Database Development:
  • Build structured BAS databases, including points, alarms, trends, histories, and schedules
  • Enforce naming conventions and long‑term maintainability
  • Optimize databases for performance, clarity, and serviceability
• Technical Leadership & Field Support:
  • Serve as a technical resource to technicians, project managers, and commissioning agents
  • Support startup, commissioning, and troubleshooting of complex systems
  • Review field feedback and adjust engineering designs as needed
  • Contribute to standardization, templates, and best‑practice documentation
• Continuous Improvement:
  • Stay updated on emerging technologies and recommend advancements to enhance system capabilities.
  • Identify opportunities for process improvement through automation.

• Knowledge of plans and specifications
• Knowledge of mechanical equipment
• Proficiency in programming languages
• Knowledge of industrial protocols (e.g., Modbus, BACnet, Ethernet/IP).
• Working knowledge or Microsoft office tools
• Strong analytical and problem‑solving skills.
• Excellent communication and teamwork abilities.
• Ability to manage multiple projects and meet deadlines.

• 6+ years in Building Automation/Controls Industry
• Visio and CAD experience.
• Mechanical engineering degree is beneficial but not necessary.
• Demonstrated expertise in BAS submittals, control drawings, and system design
• Advanced experience with BAS software, databases, and UI/graphics
• Strong HVAC systems knowledge and controls sequencing capability
• Proven ability to work independently and manage multiple projects