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Junior Engineering Jobs in Missouri (NOW HIRING)

Archer Daniels Midland

Supervises, trains and mentors junior engineering personnel * Assist the captain and mate with required vessel reports in compliance with environmental, safety and USCG regulations and report any ...

Nexorra Group

Senior Electrical Engineer

Saint Louis, MO · On-site +1

$120K - $145K/yr

Mentor and support the professional development of junior engineering staff and designers Typical Scope of Work Our electrical engineers handle all aspects of building electrical systems, including:

Stereotaxis

Junior Buyer

Saint Louis, MO · On-site

$21.75 - $28/hr

Working under the direction of the Senior Buyer Manager, the Junior Buyer collaborates with Engineering, Production, Quality, Receiving Inspection, and Field Service to support production schedules ...

Nexorra Group

Senior Electrical Engineer

Saint Louis, MO · On-site

$120K - $145K/yr

... junior engineering staff and designers Typical Scope of Work Our electrical engineers handle all aspects of building electrical systems, including: • Power distribution (480V and below) • ...

Aqua IT

Junior Software Developers

Saint Louis, MO · On-site

$60 - $90/hr

Overview: We have several openings for junior software developers to work on the design and coding with software solutions for the Aeronautical Navigation Office. The ideal candidate has a ...

Corva

Jr. Completions Data Analyst

Saint Louis, MO · On-site

$50 - $70/hr

We are seeking Completions Jr. Data Analysts located in Houston to provide part of the 24/7 ... Four-year college degree (petroleum engineering, geology, geoscience, any engineering preferred)

Oakline Studio

Junior Architect

Saint Louis, MO · On-site

The Junior Architect supports licensed architects and senior design professionals in the planning ... Coordinate with engineers, contractors, consultants, and other project stakeholders. * Assist with ...

New

Wiser

Cartographer (Junior) - TS/SCI

Saint Louis, MO · On-site

$70K - $80K/yr

Junior Cartographer - TS/SCI Location: St. Louis, MO TS/SCI Security Clearance Wiser offers innovative solutions to clients in the public, private, and government sectors. We combine technology and ...

Stereotaxis

Junior Buyer

Saint Louis, MO · On-site

$21.75 - $28/hr

The Junior Buyer supports the procurement of materials, components, equipment, and services ... Support Engineering by obtaining supplier information, documentation, and quotations for new and ...

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Showing results 21-40

All JobsEngineering JobsJunior Engineering JobsJunior Engineering Jobs in Missouri

Junior Engineering information

See Missouri salary details

$31.4K

$67.3K

$102.7K

How much do junior engineering jobs pay per year?

As of Sep 5, 2026, the average yearly pay for junior engineering in Missouri is $67,348.00, according to ZipRecruiter salary data. Most workers in this role earn between $45,500.00 and $75,000.00 per year, depending on experience, location, and employer.

What is a junior engineer?

Junior Engineers are entry-level professionals in the engineering field who typically work under the supervision of more experienced engineers. They assist with designing, developing, and testing products or systems while gaining hands-on experience and technical skills. Junior Engineers may be recent graduates or those with limited work experience, and their duties often include preparing reports, conducting research, and supporting project teams. This role provides a foundation for career growth in engineering.

What are the key skills and qualifications needed to thrive as a junior engineer, and why are they important?

To thrive as a Junior Engineer, you need a solid understanding of engineering fundamentals, problem-solving abilities, and a relevant engineering degree or diploma. Familiarity with industry-standard software such as AutoCAD, SolidWorks, or MATLAB, as well as basic knowledge of project management tools, is often required. Strong communication, teamwork, and a willingness to learn are essential soft skills for growth in this role. These skills enable Junior Engineers to contribute effectively to projects, adapt to new challenges, and develop professionally within multidisciplinary teams.

What types of projects do junior engineers typically work on during their first year?

During their first year, Junior Engineers often support more experienced team members on a variety of tasks, such as drafting designs, performing data analysis, or assisting with testing and troubleshooting. They may be assigned smaller components of larger projects or help maintain documentation and project records. This hands-on exposure helps them build foundational skills, understand workflows, and become familiar with industry standards. Collaboration with cross-functional teams is common, offering valuable learning opportunities and broadening their professional network.

What is the difference between Junior Engineering vs Junior Mechanical Engineer?

AspectJunior EngineeringJunior Mechanical Engineer
Required CredentialsAssociate's degree or relevant certificationBachelor's degree in Mechanical Engineering or related field
Work EnvironmentVarious industries including manufacturing, construction, techManufacturing plants, design firms, R&D labs
Employer & Industry UsageCommon in engineering firms, tech companies, constructionPrimarily in mechanical design, manufacturing, and industrial sectors

Junior Engineering is a broad role for entry-level engineers across multiple disciplines, while Junior Mechanical Engineer specifically focuses on mechanical systems and design. Both roles typically require related certifications or degrees, but Junior Mechanical Engineer often demands a bachelor's in mechanical engineering. The roles share similar work environments and industry usage, with Junior Mechanical Engineer being a specialized subset within the broader Junior Engineering category.

How do I become a junior engineering?

To become a junior engineer, typically you need a relevant degree such as a bachelor's in engineering or a related field. Gaining practical skills through internships, certifications, or technical training in tools like CAD or programming languages can also improve your chances. Entry-level positions often require strong problem-solving abilities and basic knowledge of engineering principles.

What are the most commonly searched types of Engineering jobs in Missouri?

The most popular types of Engineering jobs in Missouri are:

What are popular job titles related to Junior Engineering jobs in Missouri?

For Junior Engineering jobs in Missouri, the most frequently searched job titles are:

What job categories do people searching Junior Engineering jobs in Missouri look for?

The top searched job categories for Junior Engineering jobs in Missouri are:

What cities in Missouri are hiring for Junior Engineering jobs?

Cities in Missouri with the most Junior Engineering job openings:

Junior Engineering jobs near you
Infographic showing various Junior Engineering job openings in Missouri as of August 2026, with employment types broken down into 88% Full Time, 7% Part Time, 4% Contract, and 1% Nights. Highlights an 84% Physical, 5% Hybrid, and 11% Remote job distribution, with an average salary of $67,348 per year, or $32.4 per hour.

Senior AI Engineer (Java)

ITTConnect

Saint Louis, MO • On-site

$121K - $159K/yr

Full-time

Posted 4 days ago

Job description

ITTConnect is seeking an experienced Senior AI Engineer (JAVA) to work for a client that is a global leader in consulting, digital transformation, technology and engineering services present in nearly 50 countries. End client is in the telecom industry. Job location: Saint Louis, MO.

We are seeking a highly experienced senior AI Engineer, designing scalable LLM and NLP solutions for high-volume customer interactions. This role will drive architecture, best practices, and innovation across voice AI systems. Key Responsibilities: Design and develop scalable backend applications and services using Java and Spring Boot.

Build event-driven and distributed services using Kafka, REST APIs, and microservices architecture. Integrate NLP, machine learning, and LLM capabilities into Java-based enterprise applications. Build or integrate NLP solutions for text classification, clustering, intent detection, and related use cases.

Perform data analysis and data validation using SQL. Design and deploy LLM workflows involving prompt engineering, evaluation, and Retrieval-Augmented Generation (RAG). Develop integrations between Java applications and Python-based AI/ML or model-serving services when appropriate.

Contribute to agentic AI workflows supporting multistep interactions, tool execution, validation, and workflow orchestration. Apply production engineering practices covering scalability, resiliency, security, testing, monitoring, and performance optimization. Contribute to LLMOps and MLOps practices, including evaluation, monitoring, versioning, deployment, and lifecycle management.

Collaborate with AI/ML, product, platform, data, and DevOps teams. Participate in architecture reviews, code reviews, technical planning, and production support. Mentor junior and offshore engineers and promote engineering best practices.

Requirements 10+ years of total technology or software-engineering experience. Strong hands-on backend development experience using Java. Strong experience with Spring Boot, REST APIs, and microservices.

Experience with Kafka or comparable event-driven messaging technologies. Practical experience implementing or integrating AI/ML capabilities in production applications. Experience with NLP use cases such as text classification or clustering.

Experience integrating machine learning models, NLP services, or LLM-based capabilities with enterprise applications. Hands-on experience with LLM concepts and solutions, including: Prompt engineering LLM evaluation Retrieval-Augmented Generation Strong SQL and relational-database experience. Experience with software testing, CI/CD, security, monitoring, and production support.

Strong communication and cross-functional collaboration skills. Preferred Qualifications Experience with agentic AI or multi-agent orchestration. Experience with LLMOps or MLOps in production environments.

Cloud experience with AWS, Azure, or Google Cloud Platform. Experience with Docker and Kubernetes. Experience integrating Java services with Python-based AI/ML components.

Experience with vector databases and semantic search. Familiarity with voice AI, IVR, conversational AI, intent detection, or call-routing systems. Voice and IVR experience are preferred but not required.

Experience mentoring distributed, offshore, or junior engineering teams.

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