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Sr. Designer - EI

Cornerstone Surveying & Mapping
Port Arthur, TX Full Time
POSTED ON 7/24/2026
AVAILABLE BEFORE 8/21/2026
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Keystone Engineering Inc. opened for business in 1988 and for decades, has been a reliable provider of qualified engineering resources and technically innovative solutions. Keystone was founded to be an enduring company, and to provide an environment for our employees and clients to innovate, thrive, and be successful.

Keystone’s family of companies include: Milestone Project Services, SIS SILverstone, VeraPro, and Salmon & Associates

Our varied and extensive experience indicates that successful projects come down to personnel. We incorporate their individual skills in a process that’s geared toward excellence. The intentional pairing of people and process is the reason why clients know that they can trust their projects in the hands of Keystone. Services Offered: 3D Laser Scanning, Controls & Automation, Construction Management, Design & Drafting, Engineering: Civil/Structural, Electrical, Mechanical, Process, Functional Safety, Information Technology, Instrumentation, On-Site Services, Operations & Commissioning Support, Procurement, Project Management

Keystone Engineering is currently seeking an experienced E&I Designer to join our Port Arthur team.

Position Type: Full-time

Location: Port Arthur, TX

Work Environment: Office/Sedentary

Travel Requirements: Occasional site visits required

Essential Functions

  • Develop electrical construction drawings, control system schematics, instrumentation diagrams, and loop drawings using CAD software.
  • Specify components for electrical and instrumentation systems, including power distribution, motors, controls, sensors, transmitters, and valves.
  • Prepare instrument lists, IO lists, installation details, cable schedules, and other technical documentation for project.
  • Ensure designs meet industry codes, standards, project specifications, and regulatory requirements.
  • Work with engineers, project managers, and other disciplines to integrate E&I systems with other project elements.
  • Work includes time in industrial operating units conducting site walkdowns, verify existing conditions, and support the installation and testing phases.
  • Proficient in current release of AutoCAD/Plant 3D, Navisworks and Microsoft Excel.

Requirements

  • High School diploma or GED with basic drafting courses, training from a vo-tech or other applicable program (or relevant working knowledge/experience).
  • 10 years of technical work experience OR 2-4 years of education (associate or bachelor's degree) with relevant coursework and 8 years of experience.
  • Experience with hazardous area classification and intrinsically safe systems.
  • Must have proficiency in utilizing manual and computer-assisted techniques for difficult design applications.
  • Understands facilities drawings, cable routing, details, cable tray routing, cable schedules, motor starter schematics, I/O list, panel design, wiring diagrams and schematics.

Experience Preferred

  • Associates degree in CAD
  • Previous Oil & Gas experience

Equal Opportunity Employer, including disabled and veterans.

Salary.com Estimation for Sr. Designer - EI in Port Arthur, TX
$77,927 to $95,014
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