Top 502 Infrastructure engineer Jobs in Edwardsville, Il

Senior Electrical Engineer
Clayco —St. Louis, MO
- Full-time
- Bachelor of Science
- Residential
- 8 years
- Paid holidays
- Disability insurance
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Enterprise Voice Engineer II
Leidos —Scott AFB, IL
- $59,150 - $106,925 a year
- Full-time
- Bachelor of Science
- Mid-level
- Master's degree
9d
Power Transmission & Distribution Engineer/Project Manager
Farnsworth Group —Belleville, IL
- $110,000 - $175,000 a year
- Online Application
- 7 years
- Engineering
- Quality control
- Health savings account
- Disability insurance
Quick Apply
Senior Mechanical Engineer
Clayco —St. Louis, MO
- Full-time
- Management
- Bachelor of Science
- Residential
- Paid holidays
- Disability insurance
Quick Apply
Mechanical Engineer - Mission Critical
Clayco —St. Louis, MO
- Full-time
- Bachelor of Science
- Mid-level
- Residential
- Paid holidays
- Disability insurance
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Controls Systems Engineer II
Leonardo DRS —Bridgeton, MO
- $79,919 - $103,895 a year
- Full-time
- Hybrid work
- Microsoft Excel
- Engineering
- Mid-level
- Paid parental leave
- Health savings account
Platform Engineer
Clayco —St. Louis, MO
- Background check
- Azure
- DevOps
- Paid holidays
- Disability insurance
Quick Apply
Distribution Line Engineer
FindTalent —St. Louis, MO
- Full-time
- Hybrid work
- 5 years
- Bachelor of Science
- Continuous improvement
- Paid parental leave
- Health savings account
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Enterprise Voice Engineer III
Leidos —Scott AFB, IL
- $73,450 - $132,775 a year
- Full-time
- Bachelor of Science
- Master's degree
- Analysis skills
Senior Electrical Engineer – P&C Substation
FindTalent —St. Louis, MO
- Full-time
- Management
- Bachelor of Science
- Driver's License
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Mobile Device Systems Administrator Senior
General Dynamics Information Technology —St. Louis, MO
- $129,813 - $138,000 a year
- System design
- Bachelor's degree
- Experience equivalent to degree accepted
- Paid time off
- 401(k) matching
Senior Windows Administator / Platform Engineer IV
Hudson Manpower —Illinois
- Full-time
- Remote
- Computer science
- Azure
- Computer Science
- Profit sharing
- Paid training
Quick Apply
Electrical Engineer
The businesses of Merck KGaA, Darmstadt, Germany —St. Louis, MO
- $92,900 - $139,400 a year
- OSHA
- 5 years
- High school diploma or GED
- Health insurance
- Paid time off
4d
Senior Transmission Line Engineer
Leidos —Illinois
- $73,450 - $132,775 a year
- Full-time
- Hybrid work
- Civil engineering
- System design
- Supervising experience
- Referral program
Mechanical Engineer I
Clayco —St. Louis, MO
- Full-time
- Bachelor of Science
- Residential
- Communication skills
- Paid holidays
- Disability insurance
Quick Apply
Senior Cloud Engineer
Clayco —St. Louis, MO
- Full-time
- Background check
- Software troubleshooting
- 5 years
- Paid holidays
- Disability insurance
Quick Apply
Cyber Security Engineer - NSS Tools
CACI —St. Louis, MO
- $75,200 - $158,100 a year
- Full-time
- 7 years
- Computer Science
- Mid-level
- Health insurance
Mid-Level Software Engineer
Leidos —St. Louis, MO
- $87,100 - $157,450 a year
- Full-time
- Azure
- Computer Science
- Mid-level
Controls Engineer - Resident Site
DAVRON LLC —St. Louis, MO
- $90,000 - $135,000 a year
- Full-time
- System design
- Mid-level
- 3 years
- Paid holidays
- Disability insurance
Quick Apply
1d
AWS AI Engineer / USC and GC Candidates can ONLY Apply
Hudson Manpower —Illinois
- Full-time
- Remote
- 7 years
- System design
- English
- Profit sharing
- Paid training
Quick Apply

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infrastructure engineer jobs near edwardsville, il

Senior Electrical Engineer

Clayco -
St. Louis, MO

Quick Apply

Job Details

Full-time

Benefits

Paid holidays
Disability insurance
Health insurance
Dental insurance
401(k)
Flexible spending account
Paid time off
Employee assistance program
Vision insurance
Life insurance

Qualifications

Thermal analysis
Customer communication
Data center experience
Bachelor's degree in electrical engineering
NFPA 70E electrical safety protocols
Team leadership
Utility electrical systems
Electrical system design
Uninterruptible power supplies (UPS)
High-voltage electrical systems
Low-voltage electrical systems
Electrical protection systems
Design engineering
Leading team collaboration initiatives
Power system protection
Protection coordination analysis
Underground cables
Project leadership

Full Job Description

About Us

Clayco is a full-service, turnkey real estate development, master planning, architecture, engineering, and construction firm that safely delivers clients across North America the highest quality solutions on time, on budget, and above and beyond expectations. With $8.1 billion in revenue for 2025, Clayco specializes in the "art and science of building," providing fast track, efficient solutions for mission critical, industrial, life sciences, power & energy, aviation, commercial, institutional, residential and sports & entertainment related building projects.

About LJC

LJC Design & Engineering is a full-service architecture, engineering, and design firm committed to enhancing the quality of the human experience through integrated design. We are a team of high-energy professionals who share a passion for design, a collaborative approach, and a casual culture. We solve challenges by leveraging the collective expertise and ingenuity of the best and brightest minds across development, design, and construction.

The Role We Want You For

The Senior Electrical Engineer will lead the design and implementation of electrical systems for mission-critical facilities, including data centers, advanced manufacturing plants, and other high-reliability environments. This role requires deep technical expertise in medium- and low-voltage power distribution, utility interfaces, standby generation, UPS systems, grounding, and redundancy strategies essential for 24/7 operations. The ideal candidate will have experience in designing electrical infrastructure that meets stringent uptime and efficiency requirements while coordinating with cross-disciplinary teams in a fast-paced, design-build environment.

The Specifics of the Role

Lead design of medium-voltage (up to 35 kV) and low-voltage distribution, including MV systems from the point of interconnection or on-site substation through switchgear, transformers, standby generator plants, UPS systems, grounding, and redundancy topologies (e.g., N+1, 2N, distributed-redundant, block-redundant) for data centers and other high-availability environments.
Perform short-circuit, coordination, and arc flash studies to optimize electrical system reliability and safety.
Perform cable ampacity calculations, including Neher-McGrath analysis for underground duct bank thermal modeling, to size feeders and validate MV/LV distribution under data center loading conditions.
Collaborate closely with architectural, mechanical, and structural teams to integrate electrical systems into overall project design.
Manage client relationships and support construction execution, presenting technical solutions, providing field support, and resolving technical challenges to ensure alignment with operational goals.
Mentor junior engineers, contribute to the continuous improvement of design standards and best practices, and stay current with emerging technologies and trends in the mission-critical industry.

Requirements

BS degree in Electrical Engineering from an ABET institution required.
8+ years of experience in Electrical Engineering, with at least 3 years focused on mission-critical or data center projects.
Professional Engineer (PE) License preferred, with the ability to attain licenses in multiple states; highly experienced unlicensed candidates with strong mission-critical design backgrounds are welcome to apply.
Demonstrated experience designing medium-voltage (up to 35 kV) and low-voltage distribution systems, including utility coordination, generator plants, switchgear, protective device coordination, and cable ampacity analysis (Neher-McGrath / IEEE 399 / IEEE 835) for high-reliability facilities.
Expertise in software tools such as SKM Power*Tools, ETAP, or EasyPower for power system analysis, and AmpCalc or CYMCAP for cable ampacity and duct bank thermal modeling.
Strong knowledge of NEC, IEEE, NFPA 70E, and other relevant codes and standards.
Experience working in a design-build or integrated project delivery (IPD) environment is a plus.
Excellent communication, leadership, and problem-solving skills.

Some Things You Should Know

No other builder can offer the collaborative design-build approach that Clayco does.
We work on creative, complex, award-winning, high-profile jobs.
The pace is fast!

Why Clayco and LJC?

2025 Best Places to Work – St. Louis Business Journal, Los Angeles Business Journal, and Phoenix Business Journal.
2025 ENR Top 400 – Top Data Center Contractor (Top 3).
2025 ENR Top 100 Design-Build Firms – Design-Build Contractor (Top 5).
2025 ENR Top 100 Green Contractors – Green Contractor (Top 3).

Benefits

Discretionary Annual Bonus: Subject to company and individual performance.
Comprehensive Benefits Package Including: Medical, dental and vision plans, 401k, generous PTO and paid company holidays, employee assistance program, flexible spending accounts, life insurance, disability coverage, learning & development programs and more!

Compensation

The salary range for this position considers a wide range of factors in making compensation decisions including but not limited to: Education, qualifications, skills, training, experience, certifications, internal equity, and location. Compensation decisions are dependent on the facts and circumstances of each case.

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Refine Your Search

infrastructure engineer jobs in edwardsville, il

Senior Electrical Engineer

Enterprise Voice Engineer II

Power Transmission & Distribution Engineer/Project Manager

Senior Mechanical Engineer

Mechanical Engineer - Mission Critical

Controls Systems Engineer II

Platform Engineer

Distribution Line Engineer

Enterprise Voice Engineer III

Senior Electrical Engineer – P&C Substation

Mobile Device Systems Administrator Senior

Senior Windows Administator / Platform Engineer IV

Electrical Engineer

Senior Transmission Line Engineer

Mechanical Engineer I

Senior Cloud Engineer

Cyber Security Engineer - NSS Tools

Mid-Level Software Engineer

Controls Engineer - Resident Site

AWS AI Engineer / USC and GC Candidates can ONLY Apply

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