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Principal Instrument Engineer Jobs (NOW HIRING)

Define and instrument success metrics for every agent (time saved, throughput, accuracy, cost ... principal/engineer-level roles * Strong experience designing and building distributed systems ...

Define and instrument success metrics for every agent (time saved, throughput, accuracy, cost ... principal/engineer-level roles * Strong experience designing and building distributed systems ...

Define and instrument success metrics for every agent (time saved, throughput, accuracy, cost ... principal/engineer-level roles * Strong experience designing and building distributed systems ...

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Principal Instrument Engineer information

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$74K

$147.2K

$212.5K

How much do principal instrument engineer jobs pay per year?

As of Jul 4, 2026, the average yearly pay for principal instrument engineer in the United States is $147,220.00, according to ZipRecruiter salary data. Most workers in this role earn between $118,500.00 and $173,000.00 per year, depending on experience, location, and employer.

What are Principal Instrument Engineers?

Principal Instrument Engineers are senior-level professionals responsible for designing, specifying, and overseeing the installation and maintenance of instrumentation and control systems in industrial settings, such as oil and gas, chemical, or manufacturing plants. They lead engineering teams, ensure compliance with industry standards, and provide technical expertise for complex projects. Their duties often include project management, technical support, and mentoring junior staff, making them key contributors to the safe and efficient operation of plant processes.

What are the key skills and qualifications needed to thrive as a Principal Instrument Engineer, and why are they important?

To thrive as a Principal Instrument Engineer, you need deep expertise in instrumentation engineering, project management experience, and a relevant engineering degree or professional certification. Familiarity with industry standards (such as ISA or IEC), design software (like AutoCAD or SPI/Intools), and safety systems is typically required. Strong leadership, problem-solving, and effective communication are critical soft skills for managing teams and interfacing with stakeholders. These skills ensure safe, efficient, and compliant delivery of complex instrumentation projects in industrial environments.

How does a Principal Instrument Engineer typically contribute to cross-disciplinary project teams?

As a Principal Instrument Engineer, you'll play a pivotal role in multidisciplinary teams by providing expert guidance on the design, selection, and integration of instrumentation systems. You’ll often collaborate closely with process, electrical, and control engineers to ensure instrumentation aligns with project requirements and safety standards. Your input is essential during project planning, design reviews, and troubleshooting phases, ensuring systems are reliable and compliant. Effective communication and leadership skills are key, as you may mentor junior engineers and coordinate with vendors or contractors to deliver successful outcomes.

What is the difference between Principal Instrument Engineer vs Instrument Engineer?

AspectPrincipal Instrument EngineerInstrument Engineer
CredentialsBachelor's or higher in Engineering, often with professional certificationsBachelor's in Engineering or related field
Work EnvironmentLead role in project design, oversight, and technical decision-makingExecution of instrumentation installation, maintenance, and troubleshooting
Industry UsageUsed in large-scale projects, oil & gas, petrochemical, and manufacturingCommonly employed in plant operations, maintenance, and fieldwork

The Principal Instrument Engineer typically holds a senior technical role with leadership responsibilities, focusing on design and project oversight. In contrast, the Instrument Engineer is more involved in hands-on installation and maintenance tasks. Both roles require relevant engineering credentials and are vital in industrial settings, but the Principal Instrument Engineer often supervises and guides the work of Instrument Engineers.

More about Principal Instrument Engineer jobs
Infographic showing various Principal Instrument Engineer job openings in the United States as of June 2026, with employment types broken down into 100% Full Time. Highlights an 100% In-person job distribution, with an average salary of $147,220 per year, or $70.8 per hour.
Senior Instrument Engineer - Project Execution

Senior Instrument Engineer - Project Execution

Messer Americas

Bethlehem, PA • On-site

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Posted 11 days ago


Messer Americas rating

7.2

Company rating: 7.2 out of 10

Based on 22 frontline employees who took The Breakroom Quiz

35th of 74 rated oil and gas companies


Job description

Job Summary:

  • Define project scope and objectives of instrumentation for Proposals and Capital Projects.
  • Support conceptual design for production plants of air separation, CO2, O2, N2 and propose required instrumentation to optimize plant.
  • Develop P&I drawings, data sheets, and specifications.
  • Ensure recognized industry standards, safety standards, and various client specifications are followed and accounted for in design.
  • Coordinate and review the basic and detail engineering.
  • Prepare specifications for suppliers, as well as engineering and construction contractors to bid the design, construction, and commissioning of Capital Projects.  Provide complete technical review of bid packages.
  • Prepare turnover packages to operations including drawings, data sheets, training documents, etc.
  • Coordinate and participate in plant construction, commissioning, and start-up.
  • Monitor project progress and KPIs and advise stakeholders of deviations
  • Participate in HAZOPs and P&ID reviews.
  • Bring knowledge and experience from plant operating environment to improve best designs and implement best practices.

Why Messer?

Messer is the world’s largest privately held industrial gases company and what we do matters because it is woven into every part of life, from the medical gases that patients rely on to the essential elements needed to safely and sustainably produce the goods our communities depend on.

The true strength of Messer is our people—at every level and in every role.

Join us and take pride in the impact you will make by providing solutions essential to our world and lives. Reach your highest potential at our stable, inclusive company with diverse opportunities in a growing industry, supported by people who care.

Messer stands apart because we put what matters first, and you matter.


Principal Responsibilities:

  • Works with other instrumentation engineers (internal and external) or individually in the design, specification, selection, erection, commissioning and troubleshooting of instrumentation.
  • Day to day troubleshooting and oversight of the numerous outsource vendors that support Messer Americas in the design, specification, selection, erection, commissioning, and troubleshooting.

o This position is expected to be a team member supporting active projects, including: 

  • Ability to select and specify instrumentation and analyzers.
  • Provide detailed drawing review and feedback to equipment OEM’s.
  • Execute critical supplier design audits of instrumentation, analyzers, and control systems.
  • Ability to follow project from specification process, through design and manufacture, construction and installation, commissioning, and resolution of field issues.
  • Develop, plan, and implement QA/QC plans related to instruments from initial design through implementation including final loop testing.
  • Support and execute projects in multiple geographic locations as business requires. 
  • Contribute to the development and continuous improvement of Messer Instrumentation and Analyzer Standards.
  • Define new project scope and objectives on proposal phase, additionally support optimization of conceptual design for production plants of: Air separation, CO2, N2 and H2.
  • Support development, review and approval of the control system architecture, control logic description, cause & effect diagrams.  
  • Maintain effective communication of progress and issues internally and externally with all stakeholders.  
  • Accountable for development Instrumentation and Analyzer installation drawings, data sheets, and specifications, in full compliance with recognized industry standards, safety standards, and various client specifications, including preparation of instrumentation calculations for control valves, flow orifices, relief valves and panels.  
  • Manage all Instrumentation and Analyzer related efforts for assigned Proposals and Projects including those executed by 3rd parties.  Ensure progress is on plan and address all Requests for Information from contractors and customers. 
  • Responsible for preparing detail specification to Contractor hiring for construction, commissioning and startup of Capital Projects and if required coordination of on site activities.

Required Skills:

Experience with Industrial Gases or petrochemical projects

  • Experience with industrial gas equipment such as compressors, blowers, heaters, and motors
  • Experience with coordination and execution of plant construction, commissioning and start up.
  • Possesses an understanding of the major design engineering disciplines, i.e., Process, Mechanical Equipment, Piping, Electrical, Instrumentation, Analyzers, and Controls.
  • Participation in the development and evaluation of complex engineering projects; and proficiency with Autocad software. 
  • Ability and interest to stay up to date with industrial practice.
  • Knowledge of state and national codes and their applications.
  • Ability to work comfortably as a team member and an independent contributor. 
  • Ability to think through technical issues while working independently and remotely.
  • Ability to self-execute continuous improvement projects (re-rates, upgrades, etc.)
  • Ability to train plant personal on important aspects of Instrument and Control Systems. Develop a working knowledge of risks.
  • Ability to support, develop, and maintain relationships with outside specialist consultants / engineering firms. 
  • Experience with project management related methodologies, including cost control, planning, and scheduling, as well as quality control, and assessments is a plus.

Basic Qualifications:
Bachelor’s degree in Electrical, Chemical, Mechanical, or Industrial Engineering

  • 5-7 years relevant experience in Instrumentation Engineering and troubleshooting instrument and control systems with at least 5 years in an operational or engineering environment.  
  • Must be willing to travel (25-40% of time) or as business requires.

Preferred Qualifications:

  • Languages: English; Portuguese & Spanish a plus

The salary range for this position is $110,000 - $146,000. Messer provides medical, dental, vision, short term disability, life insurance and paid time off as well as other voluntary benefits, such as, long term disability in accordance with the terms and conditions of these Plans.   Employees are eligible to enroll in Messer’s 401(k) Plan. Employees may be eligible to participate in the company’s bonus program.

About Messer:

Messer’s safety culture, commitment to providing dependable supply and innovative gas technology solutions help customers unlock opportunities to be safer, more sustainable, more productive and more efficient, so their business thrives. We nurture lasting, meaningful relationships with customers, our communities, and with one another.

We offer comprehensive benefits and appreciable pay, with steady schedules and opportunities for ongoing training and career progression. We prioritize and invest in our people at every level of our organization – the dedication, knowledge, customer focus and entrepreneurial spirit of our employees is what make Messer refreshingly different.


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