FULL_TIME

FEED

UNKNOWN

LS Power actively invests in and scales businesses that are meeting the growing needs of the energy expansion, including electric vehicle charging, demand response, microgrids, renewable fuels and waste-to-energy platforms. Founded in 1990, LS Power is a premier development, investment, and operating company focused on the North American power and energy infrastructure sector, with leading platforms across generation, transmission and energy expansion solutions.

LS Power Development, LLC

Substation Engineer

[AW]-iCims

ESCO Group serves various markets, such as industrial, food and beverage, seed/agriculture, oilseed, municipals, and OEM, making it a versatile and reliable partner for a wide range of clients. Intern candidates should have: Enrollment in or completion of an associate or bachelor's degree program in engineering or a related discipline from an accredited college, technical school, or university.

Esco Group, Inc.

Automation Engineer Associate - Intern

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ESCO Group

linkup_via_bold

ADAPTED_NOW

OTHER

Integrate data from multiple sources (ERP, pricing systems, trade spend, and financial systems) into centralized, governed datasets. Employee pay is based on factors like relevant education, qualifications, certifications, experience, skills, seniority, location, performance, union contract and business needs.

Kforce is a solutions firm specializing in technology, finance and accounting, and professional staffing services. Our KNOWLEDGEforce® empowers top companies to achieve their digital transformation goals. We curate teams of technical experts who deliver solutions custom-tailored to each client’s needs. These scalable, flexible outcomes are shaped by deep market knowledge, thought leadership and our multi-industry expertise.
 
Our integrated approach is rooted in 60 years of proven success deploying highly skilled professionals on a temporary and direct-hire basis. Each year, approximately 18,000 talented experts work with the Fortune 500 and other leading companies. Together, we deliver Great Results Through Strategic Partnership and Knowledge Sharing®.

Kforce Inc.

Full Stack Engineer

kforce

The Firmware Engineer Intern is primarily responsible for providing technical excellence in designing, developing and testing firmware for high-volume electronic products associated with the vehicle emergency and safety industry, that meet cost, performance and schedule requirements. Use AI-assisted tools to support embedded firmware development, including code generation, test case creation, and analysis of requirements and design artifacts under engineering guidance.

Safe Fleet

Firmware Engineer Intern

Comeet

Professional experience architecting, implementing, and administrating enterprise IT-GIS solutions/systems that leverage the ArcGIS Enterprise platform (desktop, server, and online). Compensation decisions and the base range for this role take into account many factors including but not limited to skill sets; experience and training; licensure and certifications; and other business and organizational needs.

YEAR

Environmental Systems Research Institute Inc

Solution Architect - ArcGIS Enterprise | TS/SCI Job | Esri Career Opportunity

The Boeing Company also provides eligible employees with an opportunity to enroll in a variety of benefit programs, generally including health insurance, flexible spending accounts, health savings accounts, retirement savings plans, life and disability insurance programs, and a number of programs that provide for both paid and unpaid time away from work. Philadelphia, Pennsylvania; Oklahoma City, Oklahoma; Huntington Beach, California; Huntsville, Alabama; Ridley Park, Pennsylvania; Phoenix, Arizona; St Louis, Missouri Job ID JR2026518650 Category Engineering - Safety & Airworthiness Role Type Hybrid Post Date Oct. 08, 2026.

At Boeing, you can build something better for yourself, our customers, and the world. Here you can transform aerospace and make history. And you’ll work alongside other experts and visionaries who lead and inspire. Our workforce includes every profession and career path you can imagine, taking you as far as you can dream. 

The Boeing Co

Senior Airworthiness Software Certification Engineer

We also provide eligible employees with an opportunity to enroll in a variety of benefit programs, generally including health insurance, flexible spending accounts, health savings accounts, retirement savings plans, life and disability insurance programs, and a number of programs that provide for both paid and unpaid time away from work. As a trusted partner, our employees embody our core values by consistently delivering excellence, taking full ownership, and developing innovative solutions that enable critical missions and ensure the safety of our global customers and team members.

Boeing

Product Security Engineer

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PART_TIME

Overview: The Chief Structural Engineers provide expertise and support in a variety of areas including: Structural Steel Design. Project Management Provides technical guidance and oversight to designers and engineers.

Salas O'Brien, Inc.

Chief Structural Engineer

CDG Engineers, Inc. is a full-service, multi-discipline professional services organization based in St Louis, MO, with capabilities in civil, structural, electrical, and mechanical engineering, as well as architecture. As a Senior Substation Engineer at CDG Engineers, you will be responsible for designing and implementing critical electrical infrastructure projects.

CDG Engineers, Inc.

Substation Engineer (Relay Coordination)

CDG Engineers, Inc. is a full-service, multi-discipline professional services organization based in St Louis, MO, with capabilities in civil, structural, electrical, and mechanical engineering, as well as architecture. CDG Engineers is registered in multiple states across the U.S., offering complete in-house professional engineering and architectural services.

Substation Engineer (Physical Design)

This position serves as a project engineer for City improvements, reviews development plans and permits, oversees construction activities, prepares technical specifications and bid documents, and provides engineering guidance to City departments and officials. Health & Wellness: Medical, dental and vision coverage options; City-paid Life and AD&D insurance ($50,000); long-term disability; voluntary supplemental insurance options, Employee Assistance Program (EAP), and Preventative Care Time Off.

St Peters, City Of

CIVIL ENGINEER

Substation Engineer (physical design)

Substation Engineer (relay coordination)

As a Staff Engineer II, you'll work alongside experienced engineers on a wide variety of transportation projects while gaining hands-on experience and exposure to the full project lifecycle. Not only does HR Green provide you with a place to grow, thrive, and enjoy your work, but we are also dedicated to delivering a comprehensive and multi-faceted benefits package.

Howard R Green Co

Staff Engineer II

You will have advanced skills in the following areas: problem solving, communication, time management, and organizational skills - plus working independently on designs while thriving in a collaborative team setting to execute projects. CDG Engineers, Inc. is a full-service, multi-discipline professional services organization based in St Louis, MO, with capabilities in civil, structural, electrical, and mechanical engineering, as well as architecture.

Sr. Mechanical Engineer (HVAC)

Sr. Mechanical Engineer (Hvac)

You'll partner with Product, QA, and Engineering teams to develop solutions that support complex business logic while helping drive architectural decisions and technical best practice. Employee pay is based on factors like relevant education, qualifications, certifications, experience, skills, seniority, location, performance, union contract and business needs.

Senior Software Engineer - Backend

Louis, Enterprise Mobility together with its affiliate Enterprise Fleet Management manages a diverse fleet of 2.4 million vehicles and accounted for nearly $39 billion in revenue through a network of more than 9,500 fully-staffed neighborhood and airport rental locations in more than 90 countries and territories. Enterprise Mobility and its affiliates offer extensive car rental, carsharing, truck rental, fleet management, retail car sales, as well as travel management and other transportation services, to make travel easier and more convenient for customers.

ABOUT COMPANY: 
 
A family-owned, world-class portfolio of brands. A global network that spans across more than 90 countries. Some 100,000 dedicated team members sharing common values. And more than 1.9 million vehicles taking our customers wherever they need to go. Any way you measure it, we've become a leader in the transportation service industry. How did we get here? By taking care of our customers, our communities and our employees – and staying true to our mission.
 
 
Working Here
 
 
Our people are the reason for our success. By living out our values each day and providing exceptional customer service, we’ve built a strong culture – one in which we bring honesty and integrity to all we do. We work hard, but never forget to have a little fun in the process. For more than 60 years, our values have been at the root of our success as a team and as individuals.
 
 
Our Values:
 
 
•	Our brands are the most valuable things we own. 
•	Personal honesty and integrity are the foundation of our success. 
•	Customer service is our way of life. 
•	Our company is a fun and friendly place where teamwork rules. 
•	We work hard... and we reward hard work. 
•	Great things happen when we listen... to our customers and to each other. 
•	We strengthen our communities, one neighborhood at a time. 
•	Our doors are open.

Enterprise Holdings

Intern - Systems Engineer, Summer 2027

Linux Networking & Routing: Deep knowledge of IP networking, NIC bonding, VLANs, multiple routing tables, policy-based routing (ip rule/ip route), firewalling (iptables/nftables), and packet analysis (tcpdump). You will own our automated OS provisioning workflows, configuration management frameworks, Linux networking and routing services, and hardware validation tooling, and serve as a senior escalation resource for deployment and operations teams.

Systems Engineer Jobs in Saint Charles, MO

Substation Engineer LS Power Development, LLC

Automation Engineer Associate - Intern Esco Group, Inc.

Automation Engineer Associate - Intern ESCO Group

Full Stack Engineer Kforce Inc.

Firmware Engineer Intern Safe Fleet

Solution Architect - ArcGIS Enterprise | TS/SCI Job | Esri Career Opportunity Environmental Systems Research Institute Inc

Senior Airworthiness Software Certification Engineer The Boeing Co

Product Security Engineer Boeing

Chief Structural Engineer Salas O'Brien, Inc.

Substation Engineer (Relay Coordination) CDG Engineers, Inc.

Substation Engineer (Physical Design) CDG Engineers, Inc.

CIVIL ENGINEER St Peters, City Of

Substation Engineer (physical design) CDG Engineers, Inc.

Substation Engineer (relay coordination) CDG Engineers, Inc.

Staff Engineer II Howard R Green Co

Sr. Mechanical Engineer (HVAC) CDG Engineers, Inc.

Sr. Mechanical Engineer (Hvac) CDG Engineers, Inc.

Senior Software Engineer - Backend Kforce Inc.

Intern - Systems Engineer, Summer 2027 Enterprise Holdings

System Engineer Exegy

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