Sr Instrument and Controls Designer Location: Houston, TX - 77042 - Onsite Position Summary We are looking for an experienced I&C Designer to develop and support comprehensive instrumentation and control system design packages for an industrial facility. This role requires expertise in preparing construction-ready documentation, including panel layouts, loop diagrams, PLC designs, and cable routing plans. The designer will lead design reviews, conduct field verifications, and coordinate closely with internal teams and external engineering firms to ensure alignment with project standards and refinery requirements. Responsibilities
Prepare complete control system design packages, including:
Panel layout and termination drawings
Instrument index, loop diagrams, and block diagrams
PLC and Safety Instrumented Systems (SIS) design
Fiber optic layout and cable tray routing
Instrument specifications and installation details
Conduct onsite field walkdowns to validate scope and existing conditions
Lead and actively participate in drawing reviews at all project stages
Create and manage drawings using AutoCAD, following client-specific standards
Collaborate with external engineering firms by:
Providing reference documentation
Reviewing submittals for compliance with client requirements
Ensuring proper delivery and documentation of final design packages
Required Experience and Skills
10+ years lead experience (I&C Design)
Understanding of overall instrument installation and design principles for field measurement and process controls
Knowledge of Distributed Control Systems including but not limited to Honeywell Experion PKS platform
Knowledge of Safety Systems including but not limited to Honeywell Safety Manager and Triconex systems
Experience with PLC’s for monitoring and control of packaged systems
Knowledge with network infrastructures and fiber optic installations
Define scope and deliverables for assigned work
Work successfully in a team environment to accomplish project goals
Conduct field trips to facilities in order to develop scope and gather information for the project team
SmartPlant Instrumentation (SPI INtools) experience a plus
Core Competencies
Safety Follow all site safety protocols and Life-Saving Rules. Ensure safety is embedded in all designs, minimizing operational risk.
Environmental Compliance Work with environmental engineering to integrate all applicable standards and policies into project designs.
Reliability Engage refinery reliability engineers throughout the design and QA process to ensure robust, long-lasting systems.
Productivity Maintain high levels of productivity and track progress through personal metrics and deliverables.
Work Quality Promote consistent design reviews to uphold high engineering and documentation standards.
Communication Deliver timely and accurate updates to project managers, team members, and external partners.
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