Senior Instrument & Controls Engineer

GAS GLOBAL SERVICES; Houston (TX); On-site; USD 110,000 - 150,000; Full time

Job summary

GAS Energy Staffing LLC is seeking a Senior Instrument & Controls Engineer to execute engineering deliverables for complex oil & gas, midstream, and chemical facilities in Houston, TX. You will support instrumentation design, control-system integration, procurement, and multidisciplinary coordination under project leads.

Ideal candidates have 5–10 years of industrial experience, familiarity with ISA/IEC standards, and hands-on experience with control platforms.

Qualifications

• Approximately 5–10 years of relevant industrial/process engineering experience.
• Knowledge of instrumentation design principles and engineering software.
• Familiarity with industrial automation and control systems.
• Knowledge of ISA, IEC, NFPA, and API standards.
• Ability to independently manage engineering assignments with lead engineer guidance.
• SmartPlant Instrumentation (SPI) experience preferred.
• Construction, commissioning, and startup support experience preferred.
• Knowledge of Honeywell, Emerson, Schneider, or Allen-Bradley ControlLogix platforms preferred.
• Understanding of industrial control-system networks preferred.

Responsibilities

• Develop instrument indexes, I/O lists, cause-and-effect diagrams, datasheets, and technical specifications.
• Perform sizing calculations for control valves, on/off valves, and flow meters.
• Support pressure safety and relief valve sizing and specification.
• Prepare equipment inquiry and purchase requisitions.
• Conduct technical bid evaluations and review vendor documentation.
• Develop and review P&IDs with process engineering.
• Coordinate loop diagrams, installation details, and cable schedules.
• Assist with PLC, DCS, SIS, and SCADA integration.
• Coordinate engineering deliverables with remote teams.
• Mentor junior engineers and resolve multidisciplinary technical issues.
• Manage assigned deliverables according to project schedules, budgets, and quality requirements.

Skills

Instrumentation design

Industrial/process engineering

Industrial automation

ISA standards

API standards

Independent work

SPI experience

Construction/startup support

Control platforms (Honeywell/Emerson/3

Education

ABET-accredited Bachelor's degree in engineering

Tools

SmartPlant Instrumentation (SPI)

Job description

Senior Instrument & Controls Engineer

JOB-10047958

Anticipated Start Date

November 16, 2026

Location

Houston, TX

Type of Employment

Direct Hire

Employer Info

Our client is a full-service engineering, procurement and construction firm known for its integrity and reliability, achieving project-wide efficiency and economies of scale.

Job Summary

The Senior Instrument & Controls Engineer is responsible for executing engineering deliverables for complex industrial projects across oil and gas, midstream pipeline and terminal operations, natural gas processing, petrochemical, and chemical facilities. Working under project lead engineers, this position supports engineering development, instrumentation design, control-system integration, procurement, and multidisciplinary project coordination.

Job Description

• Develop instrument indexes, I/O lists, cause-and-effect diagrams, datasheets, and technical specifications.
• Perform sizing calculations for control valves, on/off valves, and flow meters.
• Support pressure safety and relief valve sizing and specification.
• Prepare equipment inquiry and purchase requisitions.
• Conduct technical bid evaluations and review vendor documentation.
• Develop and review P&IDs with process engineering.
• Coordinate loop diagrams, installation details, and cable schedules.
• Support concept development, FEL, FEED, and detailed engineering.
• Assist with PLC, DCS, SIS, and SCADA integration.
• Support project estimates, proposals, field surveys, construction, and commissioning.
• Coordinate engineering deliverables with remote teams.
• Mentor junior engineers and resolve multidisciplinary technical issues.
• Manage assigned deliverables according to project schedules, budgets, and quality requirements.

Skills Required

• Approximately 5–10 years of relevant industrial/process engineering experience.
• Knowledge of instrumentation design principles and engineering software.
• Familiarity with industrial automation and control systems.
• Knowledge of ISA, IEC, NFPA, and API standards.
• Ability to independently manage engineering assignments with lead engineer guidance.
• SmartPlant Instrumentation (SPI) experience preferred.
• Construction, commissioning, and startup support experience preferred.
• Knowledge of Honeywell, Emerson, Schneider, or Allen-Bradley ControlLogix platforms preferred.
• Understanding of industrial control-system networks preferred.

Education/Training/Certifications

• Bachelor's degree in engineering from an ABET-accredited program.

GAS Energy Staffing LLC is an Equal Opportunity Employer. Employment Decision are made without regard to race, color, religion, sex, sexual orientation, age, national origin, disability, protected veteran status, gender identity or any other factors protected by applicable federal, state or local laws.