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Jr Design Engineer Jobs in St Louis, MO (NOW HIRING)

Perform design functions specific to the structural engineering scope for HRSG (Heat Recover Steam Generators) to suit the needs of customer requirements. Completes all relevant design calculations ...

BSME, BSEE or equivalent undergraduate study, SO, JR or early SR level * Able to work minimum 24 hours / week (40 preferred) * Experience with common shop hand tools * CAD experience (Pro Engineer ...

Jr Design Engineer information

See St Louis, MO salary details

$32.6K

$69.8K

$106.5K

How much do jr design engineer jobs pay per year?

As of Sep 7, 2026, the average yearly pay for jr design engineer in St. Louis, MO is $69,805.00, according to ZipRecruiter salary data. Most workers in this role earn between $47,200.00 and $77,800.00 per year, depending on experience, location, and employer.

What is a Jr Design Engineer?

Jr Design Engineers are entry-level professionals who assist in the creation and development of engineering designs, typically under the supervision of senior engineers. They help with drafting, modeling, testing, and revising product or system designs using computer-aided design (CAD) software and other engineering tools. Their responsibilities may also include preparing documentation, conducting research, and collaborating with cross-functional teams to ensure design feasibility and compliance with industry standards. This role is ideal for recent engineering graduates looking to gain practical experience and advance their careers in design engineering.

What kinds of projects and responsibilities can a Jr Design Engineer expect in their first year on the job?

As a Jr Design Engineer, you will typically start by supporting senior engineers and designers on a variety of projects, such as drafting technical drawings, creating 3D models, and assisting with prototype development. Your daily tasks may include updating design documentation, participating in design reviews, and collaborating with manufacturing or production teams to address design challenges. Over time, you might be given ownership of small design tasks or sub-projects, with increasing responsibility as you demonstrate your skills. This collaborative environment offers great learning opportunities and a clear path for career advancement as you gain experience.

What are the key skills and qualifications needed to thrive as a Jr Design Engineer, and why are they important?

To thrive as a Jr Design Engineer, you need a solid understanding of engineering principles, proficiency in drafting, and a relevant bachelor's degree in engineering or a related field. Familiarity with CAD software (such as AutoCAD or SolidWorks), basic simulation tools, and knowledge of industry standards are typically required. Strong problem-solving abilities, attention to detail, and effective communication skills help you work efficiently in team environments and with cross-functional stakeholders. These skills and qualities are crucial for delivering accurate designs, meeting project requirements, and supporting innovation within engineering teams.

What is the difference between Jr Design Engineer vs Design Engineer?

AspectJr Design EngineerDesign Engineer
QualificationsBachelor's in Engineering or related field; some internshipsBachelor's or Master's in Engineering; more experience
Work EnvironmentAssists senior engineers, supports design tasksLeads design projects, makes technical decisions
ResponsibilitiesSupports design development, prepares drawingsDevelops design concepts, reviews technical specifications

The main difference between a Jr Design Engineer and a Design Engineer lies in experience and responsibility. Jr Design Engineers typically support and assist in design tasks under supervision, while Design Engineers take on more independent roles, leading projects and making technical decisions. Both roles require similar educational backgrounds, but the level of experience and scope of work distinguish them.

What does a junior design engineer do?

A junior design engineer assists in developing and modifying engineering designs, often using CAD software. They support senior engineers by preparing drawings, conducting research, and ensuring designs meet specifications and standards. This role typically requires basic technical knowledge and attention to detail.
Infographic showing various Jr Design Engineer job openings in St. Louis, MO as of August 2026, with employment types broken down into 85% Full Time, 10% Part Time, 1% Temporary, and 4% Contract. Highlights an 81% Physical, 5% Hybrid, and 14% Remote job distribution, with an average salary of $69,805 per year, or $33.6 per hour.

Jr Structural Engineer

JL4 Staffing

Fenton, MO

Other

Re-posted 10 days ago


Job description

Experience level: Mid-senior
Experience required: 2 Years
Education level: Bachelor’s degree
Job function: Engineering
Industry: Oil & Energy
Total position: 2
Job Summary:
Perform design functions specific to the structural engineering scope for HRSG (Heat Recover Steam Generators) to suit the needs of customer requirements. Completes all relevant design calculations for development of final drawings for the fabrication and supply of structural components.
Routine Decision Making/Problem Solving:
Design decisions based upon good practices with understanding of core structural/mechanical concepts. Resolves customer questions, supplier/fabricator requests for changes and scope modifications.
Essential Responsibilities:
  • Performs design calculations specific to structural scope.
  • Reviews final drawings representing the designs generated.
  • Performs development work associated to Design Guides & Layout Guidelines, and Engineering Policies focused on improvements.
  • Works with contractors to review designs and provide detailed comments and questions.