The Senior Instrument & Controls Designer is responsible for leading the design, development, and coordination of instrumentation and control system deliverables for industrial facilities including oil & gas, LNG, petrochemical, refining, and chemical processing projects. This position applies advanced technical knowledge and extensive design experience to independently execute complex assignments, support multidisciplinary coordination, and ensure compliance with project specifications, industry standards, and client requirements.
The Senior Instrument & Controls Designer provides technical guidance to junior designers, supports project execution activities, and contributes to continuous improvement initiatives throughout all phases of engineering, procurement, fabrication, and construction.
Responsibilities:
Lead the development and preparation of detailed instrumentation and control system drawings, layouts, wiring diagrams, loop diagrams, installation details, and assembly drawings from engineering designs, markups, and specifications
Develop and maintain:
Instrument location plans
Cable tray layouts
Conduit routing drawings
Junction box layouts
Wiring interconnection diagrams
Loop drawings
Hook-up drawings
Marshalling cabinet layouts
Control panel layouts
Interpret verbal and written engineering direction to initiate and complete preliminary and final instrument/control system designs
Perform instrument and electrical design calculations including:
Cable sizing
Conduit sizing
Voltage drop calculations
Cable tray fill calculations
Support development and implementation of:
PLC systems
DCS systems
SIS/ESD systems
Control logic schematics
Relay logic and interlock diagrams
Review and optimize application and functionality of instrumentation and control systems
Check and verify accuracy and completeness of drawings and deliverables prepared by others
Prepare and maintain:
Bills of materials (BOMs)
Instrument indexes
I/O lists
Cable schedules
Procurement packages
Material take-offs
Revise drawings, models, and documentation consistent with engineering changes and company change management procedures
Implement revisions and change control processes in accordance with company standards and project requirements
Assemble information and reference documentation from multiple disciplines and sources
Identify opportunities for design improvements, constructability enhancements, and cost reductions
Determine optimal drawing/model views and layouts to effectively communicate installation and construction requirements
Review field redlines and generate accurate as-built documentation
Support preparation and review of Operation & Maintenance (O&M) manuals and turnover packages
Utilize 2D and 3D CAD software to create and maintain instrumentation and controls design deliverables
Create technical documentation supporting procurement, fabrication, installation, and construction activities
Support Engineering Change Order (ECO) development and implementation
Analyze impacts of proposed design changes and identify potential interferences or constructability issues
Coordinate with:
Process engineers
Electrical engineers
Mechanical engineers
Piping designers
Automation specialists
Vendors and contractors
Produce deliverables in accordance with company standards while maintaining project schedule and budget requirements
Maintain proper electronic file management and document control practices
Interact and communicate effectively with clients, subcontractors, vendors, and project teams
Track and maintain awareness of project schedules, manpower requirements, and budget impacts
Comply with all company and client HSSE standards and applicable regulations
Participate in hazard identification, safety observations, and incident reporting programs
Position requires candidate to work from clients office 5 days a week
Qualifications:
High School Diploma or GED required
Associates Degree from a Technical Institution preferred
Minimum 10+ years of instrumentation and controls design experience in:
Oil & gas
LNG
Petrochemical
Refining
Chemical processing
Midstream facilities
Advanced proficiency with:
AutoCAD
SPI / SmartPlant Instrumentation (Intools)
3D modeling platforms such as:
PDMS
E3D
AutoCAD Plant 3D
Strong working knowledge of:
Instrumentation design standards
ISA standards
NEC requirements
PIP standards
Client specifications
Experience with:
PLC systems
DCS systems
SIS/ESD systems
Industrial networking and communications layouts
Extensive field experience and ability to perform site walkdowns independently
Experience leading small to medium-sized projects and coordinating multidisciplinary teams
Ability to independently solve complex design and constructability issues
Strong communication, organizational, and leadership skills
Ability to read and understand:
Engineering drawings
P&IDs
Wiring diagrams
Loop diagrams
Instrument specifications
Ability to mentor junior designers and support team development
Preferred
No Recruiters Please!
Equal Opportunity Employer/Veterans/Disabled