Demo

Instrument Engineer

Keystone Engineering Inc.
Charles, LA Full Time
POSTED ON 10/9/2026
AVAILABLE BEFORE 2/5/2027

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 Instrument Engineer for a Lake Charles Area on-site client position.

Position Type: Full-time

Location: Lake Charles Area Facility

Work Environment/Physical Demands: Office/Sedentary, Plant

Travel Requirements: Occasional

Reporting to the Discipline Engineering Lead, the Instrumentation Engineer provides subject matter expertise supporting Discipline Engineering and Project Delivery across the Americas. The role spans ongoing operations, capital projects, and turnaround activities with a primary focus on instrumentation engineering and is expected to own technical changes in the facility within all aspects of instrumentation and controls.
Essential Functions:

  • Investigate instrumentation failures, control loop anomalies, and instrumented system deficiencies and develop corrective action recommendations.
  • Root cause analysis of instrumentation failures during startup, shutdown, or abnormal operations.
  • Size and specify instrumentation for flow, pressure, level, temperature, and analytical applications per applicable standards.
  • Develop and review instrument datasheets, specifications, and installation details.
  • Review and approve vendor data sheets and fabrication packages for instrumentation and control equipment.
  • Serve as engineer of record for on-site instrumentation engineering and design.
  • Support design, configuration, and modification of DCS systems including I/O architecture and wiring — with preference for Emerson DeltaV and ABB platforms.
  • Support PLC design and programming review including ladder logic and function block diagrams — with preference for Allen Bradley.
  • Define instrumentation and controls integration requirements for capital projects and facility modifications.
  • Support SIS design activities in compliance with IEC 61511 and ISA 84
  • Participate in SIL assessments and safety requirement specification (SRS) development.
  • Participate in or lead PHA/HAZOP reviews for instrumented systems and control loops.
  • Ensure compliance with ISA, IEC, NEC, and API standards; support the waiver process when necessary.
  • Manage instrumentation documentation register ensuring as-built accuracy after MOC or TAR activity.
  • Define the instrumentation and controls basis of design during FEL for new or modified units.
  • Review P&IDs for instrumentation completeness, consistency, and code compliance.
  • Serve as instrumentation discipline lead during FEED and detailed design phases.
  • Coordinate pre-TAR instrumentation scope including device calibration, inspection, testing, and return-to-service verification.
  • Evaluate instrumentation condition reports and disposition findings.
  • Develop or revise company instrumentation engineering standards and specifications.
  • Conduct gap assessments against ISA, IEC, and API code updates and lessons learned.
  • Knowledge of DCS systems including I/O interface requirements and wiring; Emerson DeltaV and ABB experience preferred.
  • Knowledge of PLC systems including ladder logic and function block programming; Allen Bradley experience preferred.
  • Working knowledge of Safety Instrumented System design principles and IEC 61511/ISA 84 requirements; willingness to develop deeper proficiency as needed.
  • Knowledge of stage gate project development and execution processes.
  • Familiarity with SAP or a similar enterprise system.


Requirements:

  • B.S. in Engineering from an ABET-accredited program.
  • Experience performing detailed engineering and design for PSM-regulated petrochemical or refining industries.
  • 8 years relevant experience required.
  • Ability to make field trips and lead in all project communications.
  • Strong written and verbal communication skills.
  • Self-motivated, organized, and solution advocate.
  • Attention to detail.
  • Applicants must be currently authorized to work in the U.S. for any employer.
  • Current TWIC Card needed.

Experienced Preferred:

  • Professional Engineering License preferred.

Salary.com Estimation for Instrument Engineer in Charles, LA
$111,164 to $134,572
If your compensation planning software is too rigid to deploy winning incentive strategies, it’s time to find an adaptable solution. Compensation Planning
Enhance your organization's compensation strategy with salary data sets that HR and team managers can use to pay your staff right. Surveys & Data Sets

What is the career path for a Instrument Engineer?

Sign up to receive alerts about other jobs on the Instrument Engineer career path by checking the boxes next to the positions that interest you.
Income Estimation: 
$120,579 - $154,482
Income Estimation: 
$143,102 - $186,922
Income Estimation: 
$143,102 - $186,922
Income Estimation: 
$177,126 - $242,319
Employees: Get a Salary Increase
View Core, Job Family, and Industry Job Skills and Competency Data for more than 15,000 Job Titles Skills Library

Job openings at Keystone Engineering Inc.

  • Keystone Engineering Inc. Charles, LA
  • Keystone Engineering Inc. opened for business in 1988 and for decades, has been a reliable provider of qualified engineering resources and technically inno... more
  • 7 Days Ago

  • Keystone Engineering Inc. Nassau, TX
  • Keystone Engineering Inc. opened for business in 1988 and for decades, has been a reliable provider of qualified engineering resources and technically inno... more
  • 8 Days Ago

  • Keystone Engineering Inc. Nassau, TX
  • Company Description Keystone Engineering Inc., founded in 1988, delivers innovative and practical engineering solutions to a wide range of clients across m... more
  • 8 Days Ago


Not the job you're looking for? Here are some other Instrument Engineer jobs in the Charles, LA area that may be a better fit.

  • ReCon Management Services Sulphur, LA
  • Description Summary of Description: Technical supervision of design and drafting. Design, implementation and enforcement of company standards and policies.... more
  • 1 Month Ago

  • ReCon Management Services Sulphur, LA
  • Description Summary of Description: Develop and oversee the engineering and design efforts for the development of engineering drawings/packages for all pha... more
  • 1 Month Ago

AI Assistant is available now!

Feel free to start your new journey!