OneMain Financial Jobs

Senior Instrument Engineer

Greenville, SC (Primary) | Nationwide Office Flexibility

Hargrove Engineers & Constructors is seeking a Senior Instrument Engineer to support complex industrial EPC projects across the U.S. While this role is anchored in our Greenville, SC division, we are actively recruiting nationwide talent and will consider alignment with additional Hargrove offices in Texas, Louisiana, Alabama, Georgia, Tennessee and Pennsylvania, based on project and business needs.

This is a full-time, long-term opportunity offering competitive compensation, full benefits, relocation assistance (where applicable), and opportunities for technical and leadership growth within Hargrove’s collaborative “One Team” culture.

What You’ll Do

• Perform complete design and engineering for complex instrumentation and control systems

• Apply advanced engineering techniques and analysis to industrial process and manufacturing projects

• Serve as discipline lead on small to mid-sized projects

• Develop:

• Instrumentation installation details, cable schedules, control panel layouts, grounding, and instrument plans

• Control narratives, P&IDs (measurement and control), and conceptual layouts

• Instrumentation specifications, data sheets, and construction specifications

• Produce estimate-level designs, material take-offs, cost studies, and man-hour budgets

• Review and check engineering calculations, drawings, and vendor documentation for accuracy and compliance

• Coordinate with electrical, mechanical, process, and construction teams

• Provide technical guidance and mentorship to junior engineers and designers

• Support procurement through bid packages, scopes, and technical evaluations

• Perform fieldwork and construction support, including tie-ins and startup assistance

• Identify and communicate scope, schedule, and design changes

• Support interoffice execution and lead virtual project teams

• Ensure work is executed in accordance with scope, schedule, budget, quality, and client expectations

What We’re Looking For

Education & Credentials

• Bachelor of Science in Instrumentation, Controls, Electrical, Computer Engineering, or related discipline

• Professional Engineer (PE) license preferred, but not required

Experience

• 10–15+ years of progressive experience in industrial instrumentation and controls engineering

• EPC experience supporting chemical, manufacturing, power, or heavy industrial facilities

Technical Expertise

• Knowledge and application of:

• ISA standards and industry best practices

• National Electrical Code (NEC), as applicable to instrumentation systems

• Ability to:

• Develop instrumentation installation specifications and construction documents

• Specify process instrumentation, analyzers, control systems, and actuated valves

• Size control valves using appropriate software

• Develop control narratives and contribute to P&IDs

• Experience with:

• PLC, DCS, and/or SIS platforms

• Vendor drawing review and construction submittals

• Instrument bulk materials and installation details

• Ability to:

• Estimate task completion, construction costs, and engineering schedules

• Develop work-sharing packages for interoffice execution

• Act as Engineer of Record when PE certification is required

• Strong working knowledge of:

• AutoCAD and/or MicroStation

• Microsoft Word, Excel, and Outlook

• Excellent written, verbal, and presentation skills

Locations & Work Model

• Primary location: Greenville, SC

• Additional office flexibility: TX, LA, AL, GA, PA

• Hybrid and interoffice execution support may be available

• Relocation assistance may be offered for qualified candidates

Why Hargrove

• 30+ years as a trusted industrial EPC partner

• Long-term project stability and career growth

• Technical leadership opportunities on complex projects

• Strong interoffice collaboration and employee-focused culture

• Competitive compensation and comprehensive benefits

? If you’re a senior-level Instrument Engineer looking to lead impactful industrial projects with geographic flexibility, we’d love to connect.

#LI-BS1

Hargrove Culture

We work to create an environment founded on trust, personal integrity, and a “team mentality” so that each person understands the value of their contributions both on a project and company-wide level. We know that each person on our team contributes to the success of our company by pairing expertise and passion to meet and exceed the needs of the clients we serve across the globe.

Our safety culture protects and promotes the well-being of every person who works with us and every person touched by our work.

As a 100% Teammate owned company, we proudly offer a comprehensive benefits package including, paid holidays, personal paid time off, medical, dental, vision, life, and disability insurance, 401(k), and other benefits to eligible Teammates.

Equal Opportunity Employment Statement

Hargrove is an Equal Opportunity/Affirmative Action employer. We do not discriminate based upon race, color, national origin, religion, age, sex (including gender, sexual orientation, pregnancy, sexual identity, marital or family status), disability, military service or obligations, veteran status, or any other characteristic protected by law.

Hargrove is a drug-free workplace.

The selected candidate must be authorized to work in the United States.

Hargrove is passionate about serving our clients within our industry and the local economy, and we recognize that our impact goes beyond building great projects. Our extraordinary teammates serve the community with their time, talent, and generosity. The Hargrove team is a family whose volunteerism makes a huge impact on our communities, and The Hargrove Foundation is the vehicle for making a true difference in the lives of others.

We work to create an environment founded on trust, personal integrity, and a “team mentality” so that each person understands the value of their contributions both on a project and company-wide level. Hargrove has consistently been ranked one of the “Best Firms to Work For” by organizations such as ZweigWhite and Business Alabama.

We pair expertise and passion to meet and exceed the needs of the clients we serve across the globe. Our teammates strive to expand their knowledge and contribute to the success of the organization.

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