Sr Electrical & Instrumentation Engineer

Hargrove is seeking Electrical Engineering talent to support our team!

Locations & Work Flexibility

• Primary location: Mobile, AL

• Additional office options: TX, LA, SC, GA, PA

• Hybrid or interoffice execution support may be available

• Relocation assistance may be offered based on role and location

What You’ll Be Doing

Job Overview

This role is responsible for the complete electrical and instrumentation design of complex industrial projects. The position requires advanced technical expertise, strong judgment, and the ability to lead discipline efforts on small to mid-sized projects. Work is performed under general supervision and includes collaboration across multiple engineering disciplines.

Key Responsibilities

Design & Engineering

• Execute full-scope electrical and instrumentation designs using advanced engineering techniques and analysis.

• Develop conceptual layouts, preliminary designs, detailed calculations, sketches, and material take-offs appropriate to project phase and estimate level.

• Produce electrical deliverables including:

• 15kV/5kV power system single-line diagrams and equipment specifications

• Electrical installation specifications

• MCC single lines, elementaries, and connection diagrams

• Electrical room layouts, cable schedules, grounding, lighting, power, and instrumentation plans

• Control panel layouts and installation details

• Ensure efficient material usage with emphasis on constructability and client expectations.

• Verify designs for code compliance, accuracy, and adherence to specifications and design standards.

Project Execution & Coordination

• Review project scope, specifications, and design criteria at assignment and proactively communicate scope or design changes.

• Coordinate electrical/instrumentation activities with discipline leads and other engineering teams.

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

• Develop work-sharing packages and provide interoffice execution leadership.

• Estimate engineering hours, track progress, and assess quality of electrical/instrumentation work.

• Support development of construction cost estimates, schedules, and man-hour budgets.

Technical Leadership & Support

• Provide technical guidance and mentoring to less experienced engineers and designers.

• Review and check calculations and drawings completed by others.

• Assist designers with layout and detailing challenges by supplying clear sketches and direction.

• Advise senior engineers on identified design or scope changes.

• Compile electrical and instrumentation bid packages for procurement and subcontract pricing.

Construction & Field Support

• Review vendor drawings, fabrication drawings, and construction submittals for technical compliance.

• Perform field work to gather data, verify tie-ins, and support construction and startup activities.

• Provide onsite support during commissioning and startup phases.

Instrumentation & Controls

• Contribute to P&IDs related to measurement and control.

• Develop control narratives and instrumentation specifications.

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

• Size control valves using appropriate software tools.

• Apply ISA standards and best practices for instrumentation and control systems.

Ideal Background

Education & Credentials

• Bachelor or Master of Science in Electrical Engineering from an accredited university (required)

Experience

• 10+ years of industrial electrical and instrumentation engineering experience

• Proven ability to act as Engineer of Record when required

Technical Skills

• Strong working knowledge of the National Electrical Code (NEC)

• Experience with:

• Lighting level calculations

• Wire, conduit, and overcurrent protection sizing

• Voltage drop and short-circuit calculations

• Cable tray and conduit routing and fill calculations

• MCC and substation loading analysis

• Ability to develop specifications for low- and medium-voltage equipment including MCCs, switchgear, motors, VFDs, and unit substations

• Proficiency in developing installation documents based on vendor drawings

• Familiarity with 15kV/5kV systems, equipment, and above/below-ground installation practices

• Working knowledge of CAD software (AutoCAD, MicroStation, or both)

• Programming experience with PLCs, HMIs, and/or DCS platforms is a plus

Professional Competencies

• Strong organizational skills with the ability to accurately estimate task completion

• Clear understanding of schedule constraints and deliverable requirements

• Ability to lead small teams and execute within scope, schedule, and budget

• Excellent verbal, written, and presentation skills

• Proficient in Microsoft Word, Excel, and Outlook

• Effective in virtual team environments and cross-office collaboration

• Capable of presenting Hargrove Engineers & Constructors services to clients

Physical Requirements

• Ability to sit, stand, or walk for extended periods as required by the role

#LI-BH1

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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