Lead Field DDC Engineer Job Yonkers area,New York USA,Engineering

The Lead Field DDC Engineer is a senior technical leader responsible for the design, development, coordination, and delivery of Delta Controls DDC-based building automation systems across complex, large-scale data center and mission-critical infrastructure projects. This role combines deep hands-on DDC programming expertise with project-level technical leadership, guiding engineering execution, reviewing work, mentoring team members, and ensuring high-quality, consistent DDC deliverables from design through commissioning and turnover.

This role also supports deployment of Delta Controls enteliWEB SCADA environments and requires proficiency in GCL+ programming.

Key Responsibilities:

Project Technical Leadership

Lead the DDC engineering scope across assigned projects from design through commissioning and turnover
Define project-level control strategies, DDC architecture, controller configurations, network design, and integration requirements
Coordinate DDC deliverables across project teams, field teams, vendors, contractors, SCADA engineers, and system integrators
Provide technical leadership during client meetings, design reviews, project coordination meetings, and issue-resolution discussions
Partner with project managers and the Field Engineering Manager to communicate technical risks, resource needs, schedule impacts, and project priorities
Lead the design and development of Delta Controls DDC systems using GCL+ and related programming tools
Develop and implement control logic for HVAC systems, AHUs, VAVs, central plants, chillers, boilers, cooling towers, and critical facility infrastructure
Guide implementation of controller databases, sequences of operation, alarm strategies, scheduling, trending, and system recovery logic
Support system integration with enteliWEB, Ignition SCADA, BMS, EPMS, and other facility platforms
Ensure DDC logic is reliable, scalable, maintainable, and aligned with customer and project requirements
Lead configuration and deployment of Delta Controls enteliWEB environments for mission-critical data center applications

Quality, Standards & Review

Ensure consistency and quality across DDC deliverables through design reviews, code reviews, testing, and validation
Review engineering work and provide feedback to ensure adherence to company standards and best practices
Support development and maintenance of DDC programming standards, reusable code libraries, GCL+ templates, naming conventions, and documentation standards
Identify opportunities to standardize and improve development processes
Drive improvements in engineering processes, tools, workflows, and project execution methods

Field Support, Troubleshooting & Commissioning

Lead troubleshooting and resolution of complex DDC control system issues during startup and commissioning
Support field teams during static and dynamic commissioning, point-to-point verification, and customer acceptance activities
Diagnose and resolve issues involving GCL+ logic, controller hardware, communication networks, field devices, enteliWEB integration, and third-party system integrations
Implement and validate integrations using BACnet/IP, BACnet MS/TP, Modbus TCP, and other open protocols
Interface with vendors and contractors to support system integration and issue resolution
Mentor and guide Field DDC Engineers and Senior Field DDC Engineers
Provide technical direction, coaching, code review feedback, and project-specific support
Support onboarding and training of new team members
Escalate recurring skill gaps or development needs to the Field Engineering Manager

Qualifications:

Required

10+ years of experience in DDC programming, building automation, or controls engineering
2+ years of technical leadership or team lead experience in field operations
Expert-level proficiency with Delta Controls GCL+ and software tools
Deep hands-on experience with enteliWEB deployment, configuration, and commissioning
Proven experience programming and commissioning complex HVAC systems including central plants, chillers, and boilers
Advanced knowledge of BACnet/IP, BACnet MS/TP, Modbus TCP, and network configuration
Experience leading DDC scope on complex projects from design through…