Top 529 Performance engineer Jobs in O'fallon, Mo

Senior Level Electrical Engineer
Sargent & Lundy —Clayton, MO
- $100,019 - $152,807 a year
- Full-time
- Hybrid work
- Bachelor of Science
- Office
- 8 years
- Paid parental leave
- Health savings account
SQL Engineer
Leidos —St. Louis, MO
- $107,900 - $195,050 a year
- Full-time
- 6 years
- Java
- Master's degree
Electrical Engineer- HYBRID SCHEDULE
Case Engineering, Inc. —Fenton, MO
- $70,000 - $90,000 a year
- Full-time
- Hybrid work
- 5 years
- Office
- Senior level
- Disability insurance
- Relocation assistance
Quick Apply
9d
Electrical Engineer
Bacon Farmer Workman/Marcum Engineering —St. Louis, MO
- $85,000 - $115,000 a year
- Online Application
- 5 years
- Driver's License
- Mentoring
- Health savings account
- Paid holidays
Quick Apply
Electrical Engineer Manager
Sargent & Lundy —Clayton, MO
- $142,710 - $215,440 a year
- Full-time
- Hybrid work
- 11+ years
- Office
- Business development
- Paid parental leave
- Health savings account
Lead Electrical Engineer -- Energy & Industrial Group
Sargent & Lundy —Clayton, MO
- $118,023 - $180,313 a year
- Full-time
- Hybrid work
- Office
- Business development
- Continuous improvement
- Paid parental leave
- Health savings account
Senior Instrumentation & Controls Engineer
Sargent & Lundy —Clayton, MO
- $84,762 - $129,498 a year
- Full-time
- Hybrid work
- Microsoft Access
- 5 years
- Bachelor of Science
- Paid parental leave
- Health savings account
Lead Instrumentation & Controls Engineer -- Energy & Industrial Group
Sargent & Lundy —Clayton, MO
- $118,023 - $180,313 a year
- Full-time
- Hybrid work
- Microsoft Access
- Bachelor of Science
- System design
- Paid parental leave
- Health savings account
Senior Electrical Engineer
Leonardo DRS —Bridgeton, MO
- $93,121 - $125,713 a year
- Full-time
- Hybrid work
- 5 years
- Engineering
- Data analysis skills
- Paid parental leave
- Health savings account
8d
Lead Guidance Navigation and Control (GNC) Engineer
Boeing —Hazelwood, MO
- $170,850 - $231,150 a year
- Computer Science
- Bachelor of Science
- Engineering
- Health savings account
- Disability insurance
Mechanical Engineer II
ECCO Safety Group —St. Louis, MO
- $80,000 - $90,000 a year
- Full-time
- Microsoft Excel
- Microsoft Outlook
- Bachelor of Science
- Health savings account
- Health insurance
Quick Apply
Associate Guidance Navigation and Control (GNC) Engineer
Boeing —Hazelwood, MO
- $93,500 - $126,500 a year
- Computer Science
- Bachelor of Science
- Engineering
- Health savings account
- Disability insurance
Experienced Guidance Navigation & Control (GNC) Engineer
Boeing —Hazelwood, MO
- $115,600 - $156,400 a year
- Computer science
- Computer Science
- 5 years
- Health savings account
- Disability insurance
8d
System Test Engineer Lead - Sapphire
Boeing —Berkeley, MO
- $127,500 - $239,200 a year
- Computer science
- Computer Science
- PMP
- Health savings account
- Disability insurance
3d
Lead Structural Analysis Engineer
Boeing —Hazelwood, MO
- $126,650 - $171,350 a year
- Bachelor of Science
- Engineering
- 3 years
- Health savings account
- Disability insurance
22h
Design and Analysis Engineer (Electronic Sys Design & Analy)
Boeing —Berkeley, MO
- $91,800 - $124,200 a year
- Computer Science
- Bachelor of Science
- Engineering
- Health savings account
- Disability insurance
Mid-Level Backend Software Engineer
Leidos —St. Louis, MO
- $87,100 - $157,450 a year
- Full-time
- Azure
- Computer Science
- System design
Senior Electrophysics Engr/Scien (Comm & Sensor Systems)
Boeing —Hazelwood, MO
- $118,150 - $159,850 a year
- Computer Science
- Bachelor of Science
- Engineering
- Paid parental leave
- Health savings account
Mid-Level SQL Engineer
Leidos —St. Louis, MO
- $87,100 - $157,450 a year
- Full-time
- Computer Science
- Mid-level
- Master's degree
Missions Systems Software Engineer - Embedded (Associate, Experienced, Senior)
Boeing —Berkeley, MO
- $99,450 - $217,350 a year
- Computer science
- Computer Science
- Java
- Health savings account
- Disability insurance

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Senior Level Electrical Engineer

Sargent & Lundy -
Clayton, MO

Apply Now

Job Details

Full-time
$100,019 - $152,807 a year

Benefits

Paid parental leave
Health savings account
Paid holidays
Disability insurance
Health insurance
Dental insurance
401(k)
Flexible spending account
Tuition reimbursement
Paid time off
Parental leave
Employee assistance program
Vision insurance
Employee discount
Bereavement leave
Referral program

Qualifications

Construction specifications
Electrical generators
Bachelor's degree in electrical engineering
Communications systems expertise (engineering specialty)
System design for system development
Construction drawing review
Low-voltage electrical systems
Telecommunications systems
Power generation systems
Industrial equipment
Electrical drafting for industrial equipment projects

Full Job Description

Description:

This position will offer you the opportunity to work in a project team environment with other engineers and designers involved in the design, modification, and analysis of electrical systems. Projects include power and energy, industrial, and renewable energy solar PV projects ranging from existing plant retrofits to new installations.
You will be involved in power distribution designs and the preparation of specifications for the procurement of major electrical power equipment and related installation services needed to support the projects
Assist project manager or other project lead in efforts to ensure projects are completed satisfactorily, on time, and within budget.
Coordinate systems design activities to ensure installation and operations will comply with specifications, codes, and client requirements.
Prepare and review functional design drawings including single line, relay and metering, cable block, and schematic diagrams. Prepare documentation for design input for other drawing production and 3-D modeling.
Prepare and review detailed calculations, including auxiliary power system studies, voltage drop, protective relay settings, and arc flash calculations.
Interface with vendors to prepare bills of material and equipment purchase specifications and provide recommendations to the client.
Prepare reports and studies that present technical information in a clear and concise manner and meet client requirements and S&L formats.
Perform independent reviews of work performed by others including calculations and drawings.
Provide guidance as a mentor in the development of less experienced engineers.
Develop your career via peer-learning by way of S&L’s systems of process and associated “Communities of Practice.”
Travel to client and vendor offices for design reviews and to plant site locations for construction coordination and field verification of designs

This position is based on a hybrid work schedule based in our Clayton, Missouri office, located within the St. Louis metropolitan area and will require in-office work 3 days per week.

Qualifications:

We do not sponsor employees for work authorization in the U.S. for this position.

Essential skills and experience:

A BS in Electrical Engineering from an ABET-accredited engineering program is required. An emphasis in power systems is preferred.
PE license or ability to earn a PE license is required.
8 or more years of experience in power plant or industrial plant design, with a focus on integrated, detailed system design for new facilities, or modifications or replacements for existing facilities.
Experience in the selection of equipment, materials, control philosophy, and the preparation and assembling of calculations and specifications.
Experience with electrical system design including medium and low voltage distribution systems (transformers, generators, motors), communication systems, equipment selection, and analytical calculations.
Experience performing calculations in ETAP and/or SKM.
Technically knowledgeable of available electrical power distribution equipment.
Experience with serving as firm/client liaison in a support or lead engineering role.
Experience in reviewing other engineers’ design calculations and drawings.
This position in based in Tampa, FL and may require occasional travel.

Valued but not required skills and experience:

Construction and start-up experience a plus.

#INDEEDSL

AI & Automation at Sargent & Lundy:

In this role, we expect people to be willing or able to lead others who use modern tools:

You are expected to lead others in taking engineering problems from issue to solution by setting expectations for using data and modern tools such as automation and AI to improve workflows, reduce rework, and deliver cost-effective designs.
Leaders in these roles often direct automation and process-improvement work, for example, how teams automate calculations, summarize technical documents, or generate design documentation and guiding when and how AI or agentic AI tools are used while ensuring results are checked.
Overseeing engineers who program or script (e.g., Python, MATLAB, advanced Excel) to automate engineering tasks, with review of automated outputs, is valued but not required.
We also value additional learning, such as a minor, certificate, or other experience in Computer Science, Artificial Intelligence, Software Engineering, or related fields that enables effective oversight of automation and agentic AI-enabled engineering workflows.

Award-Winning Benefits:

At Sargent & Lundy, we care about the health and well-being of our employees. Our commitment extends beyond the workplace, offering comprehensive healthcare plans and generous paid time off to support our team members in every aspect of their lives. We understand the importance of work-life balance, which is why we are proud to provide competitive, award-winning benefits. Our dedication to employee satisfaction has earned us the prestigious Top Workplaces Culture Excellence Award for compensation and benefits in 2022, 2023, and 2024.

Health & Wellness

Financial Benefits

Work-Life Balance

Health Plans: Medical, Dental, Vision
Life & Accident Insurance
Disability Coverage
Employee Assistance Program (EAP)
Back-Up Daycare
FSA & HSA

401(k)
Pre-Tax Commuter Account
Merit Scholarship Program
Employee Discount Program
Corporate Charitable Giving Program
Tuition Assistance
First Professional Licensure Bonus
Employee Referral Bonus

Paid Annual Personal/Sick Time (PST)
Paid Vacation
Paid Holidays
Paid Parental Leave
Paid Bereavement Leave
Flexible Work Arrangements

Compensation Range: $100,019 - $152,807 Transparency Statement: Sargent & Lundy discloses compensation ranges that comply with all local and state regulations. The total compensation package for eligible positions will include a base salary or an hourly rate and a comprehensive benefits package, reflecting our commitment to rewarding performance and supporting the overall well-being of our employees. Individuals may also be eligible to participate in our yearly discretionary bonus. About This Business Unit:

The Energy & Industrial Group (EIG) specializes in delivering advanced engineering solutions across various sectors, including power generation, environmental compliance, oil & gas, and industrial projects, from new plant design to plant betterment and upgrade services for operating facilities. We have designed nearly 900 conventional power plants, yielding over 100,000 megawatts (MW) of generation capacity. Our expertise includes numerous recent and ongoing combined cycle projects that leverage the latest advanced machinery, including combustion turbines, steam turbines, and heat recovery steam generators from all leading suppliers. EIG is recognized for its commitment to decarbonization through innovative technologies in renewable energy, carbon capture, and hydrogen power. We excel in detailed engineering services for photovoltaic (PV) solar projects and energy storage integration, and lead the industry in carbon capture technologies, managing projects from conceptual studies, pilot demonstrations and through commercial scale implementation for utilities and industrial plants.

Awards & Recognition:

Equal Opportunity:

Sargent & Lundy is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, national origin, disability status, protected veteran status, or any protected status as defined by applicable law.

Apply Now

Refine Your Search

performance engineer jobs in o'fallon, mo

Senior Level Electrical Engineer

SQL Engineer

Electrical Engineer- HYBRID SCHEDULE

Electrical Engineer

Electrical Engineer Manager

Lead Electrical Engineer -- Energy & Industrial Group

Senior Instrumentation & Controls Engineer

Lead Instrumentation & Controls Engineer -- Energy & Industrial Group

Senior Electrical Engineer

Lead Guidance Navigation and Control (GNC) Engineer

Mechanical Engineer II

Associate Guidance Navigation and Control (GNC) Engineer

Experienced Guidance Navigation & Control (GNC) Engineer

System Test Engineer Lead - Sapphire

Lead Structural Analysis Engineer

Design and Analysis Engineer (Electronic Sys Design & Analy)

Mid-Level Backend Software Engineer

Senior Electrophysics Engr/Scien (Comm & Sensor Systems)

Mid-Level SQL Engineer

Missions Systems Software Engineer - Embedded (Associate, Experienced, Senior)

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