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January 2013


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Beatriz Pineda <[log in to unmask]>
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Beatriz Pineda <[log in to unmask]>
Fri, 18 Jan 2013 12:42:21 -0500
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Praxair, Inc
Control Systems Engineer
Houston, TX

Principal Responsibilities include:

This position is responsible for the specification and design of DCS and 
PLC systems for Global Hydrogen projects. Develops control narratives, IO 
Index, graphic displays, system configuration for DCS and PLC systems. 
Programs and configures Rockwell ControLlogix PLCs as well as Emerson 
DeltaV systems, reviews the work of DCS/PLC vendors and/or other system 
integrators and provide oversight on their deliverables and work 
processes. Attends Factory Acceptance Tests and Site Acceptance Tests 
assists in development and maintenance of engineering standards. Works 
closely with analyzer systems engineering team and gets involved in 
configuration and calibration of smart field instrumentation such as HART 
or fieldbus transmitters. Configures the 3rd party device interfaces to 
DCS using serial or TCP communication protocol. Participates in HAZOP, 
LOPA, and PHA prepares Hardware Bill of material, system architecture 
diagrams, conducts hardware FAT. Reviews and approves cabinet layout 
diagrams, wiring diagrams, network architecture diagrams participate in 
Safety Lifecycle work processes of SIS.

Candidate will pro-actively perform engineering calculations, programming, 
testing, installation, commissioning, investigations and assigned tasks 
for subsets of large projects or complete small projects. As well 
participate in the engineering design and/or execution of one or more 
projects with specific focus on design and implementation of DCS and PLC 
systems for the Hydrogen units.

Position will be filled at a level commensurate with experience
Praxair is an Equal Employment Opportunity Employer - M/F/D/V

Qualifications: B.S. in Engineering (Chemical, Electrical, Control 
Systems, Instrumentation preferred) with more than 4 years of experience 
in hydrocarbon processing industry and:
•Experience in design, implementation and commissioning of DCS and PLC 
•Experience on Emerson Delta V DCS and Allen-Bradley Rockwell ControlLogix 
•Understanding of P&I Diagram content and format, including ISA symbology 
for hardware and software as well as an understanding of electrical 
Schematic Wiring Diagrams regarding power distribution, motor control 
circuits, and PLC/DCS input/output assignment.
•Knowledge of industry specific standards and codes (e. g NEC, NFPA, ISA) 
is required as well as experience with the application of instrumentation 
and electrical devices in hazardous locations.  
•Experience in Visual Basic scripting required
•Knowledge of Object Oriented programming languages  highly desirable
•Knowledge of networking topologies, operating systems, firewalls, 
routers, switches highly desirable
•Familiarity of SIS design, implementation and knowledge of ISA84 standard
•Experience on working with databases and expert level knowledge of 
Microsoft office applications
•Experience with dealing and managing work with EPC contractors and/or 
instrument vendors

Candidate must be able to influence team members and promote ideas to 
improve design and implementation practices. With the addition of; may 
provide technical, engineering support to Praxair regions and/or plants. 
25% to 30% domestic and international travel is expected.

How to Apply: Applications may be email to Betty Pineda at 
[log in to unmask] or you may visit our website