Sign up to access all features of our service.
  • Job search
  • Favorites
  • Create a CV
    New
  • Salaries
  • Subscriptions

Engineering Intern

RLS Rapid Locking System

RLS LLC

As a part of the global industrial organization Marmon Holdings—which is backed by Berkshire Hathaway—you’ll be doing things that matter, leading at every level, and winning a better way. We’re committed to making a positive impact on the world, providing you with diverse learning and working opportunities, and fostering a culture where everyone’s empowered to be their best. Job Title Engineering Intern Location Hazelwood, MO (on-site) A Summer Experience. A Lifetime Of Value. We’ll meet you where you are and help you go further. This summer, we’re committed to bringing early‑in‑career talent together, trusting you to own your work and help you level up through professional development, networking, and exposure to real‑world projects. We’re doing things that matter. Join us as an intern and we’ll help you move up and around Marmon’s 120+ companies as you grow your skills. Join the Biggest Small Business You’ll Ever Find. As part of Marmon, you get the best of both worlds. The strength and stability that comes with being part of Berkshire Hathaway, plus the autonomy and opportunity that comes with working at one of our 120+ companies. Who We Are Rapid Locking System (RLS) is a leading global manufacturing company with a strong commitment to innovation, efficiency, and sustainability. With a dynamic presence across multiple continents, we specialize in manufacturing press‑to‑connect technology for HVAC/R and are at the forefront of adopting lean practices, automation technologies, and 5S principles to ensure operational excellence. What You’ll Do Our Engineering internship offers hands‑on learning experience in product design, testing, quality, and manufacturing. As an intern, you’ll work closely with a Senior Engineer and the Engineering & Quality team, assisting with various projects such as warranty/root cause analysis, process control analytics and implementation, new product testing, and more. You’ll also gain experience in hydrostatic burst testing, grain analysis, and other product evaluation methods. Present project reports to senior leadership, helping to develop critical communication skills and abilities. This internship provides valuable, real‑world skills and a deeper understanding of the engineering processes behind critical electrical systems. What You’ll Need Pursuing an undergraduate or graduate degree in Engineering, preferably in Manufacturing, Process, Mechanical, or Industrial Engineering. Rising Junior or Senior The ability to demonstrate relevant skills and experience required for the role Excellent written, verbal communication and presentation skills Ability to effectively communicate issues and solutions to all levels of the team Strong analytical and problem‑solving skills Cross‑collaboration skills Proficiency in Microsoft Office (Excel, Word, PowerPoint, Outlook and Teams) Work Hours/Length of Program The internship will run for approximately 12 weeks beginning in late May through August. Temporary Part/Full Time, targeting 40 hours per week. Exact start and end dates are flexible based on school schedules and the needs of the business. This is a paid internship. Working Conditions and Physical Demands This position is based in our state‑of‑the‑art manufacturing facility and involves working in a manufacturing environment/general exposure to a manufacturing environment. The environment may involve exposure to noise, temperature fluctuations, or other factors. Employees are required to abide by PPE guidelines when onsite. Successful completion of a drug screening and a physical exam are required for this role. This position involves regular walking, standing, sitting for extended periods of time, hearing, and talking. May occasionally involve stooping, kneeling, or crouching. May involve close vision, color vision, depth perception, focus adjustment, and viewing computer monitor for extended periods of time. Involves manual dexterity for using keyboard, mouse, and other office equipment. May involve moving or lifting items up to 50 pounds. Ability to work in a manufacturing setting. Following receipt of a conditional offer of employment, candidates will be required to complete additional job‑related screening processes as permitted or required by applicable law. We are an equal opportunity employer, and all applicants will be considered for employment without attention to their membership in any protected class. If you require any reasonable accommodation to complete your application or any part of the recruiting process, please email your request to View email address on click.appcast.io, and please be sure to include the title and the location of the position for which you are applying. #J-18808-Ljbffr RLS Rapid Locking System

Vacancy posted 2 days ago
Similar jobs that could be interesting for youBased on the Engineering Intern in Hazelwood, MO vacancy
  • RLS Rapid Locking System in Hazelwood, MO is seeking an Engineering Intern for hands-on experience in product design and testing. This 12-week paid internship offers opportunities to work closely with engineers, gaining valuable skills and exposure to real-world projects... 
    Internship
    Summer internship
    Work at office

    RLS Rapid Locking System

    Hazelwood, MO
    2 days ago
  • Panasonic Avionics Corporation in Bridgeton, Missouri is looking for an engineering intern to collaborate on the design and development of refrigerated display cases. This role involves working with Lead Engineers on conceptual designs, utilizing SolidEdge for creating... 
    Internship

    Panasonic Avionics Corporation

    Bridgeton, MO
    5 days ago
  • Overview Join our dynamic Engineering team to support and develop new products for the leader in the Food Retailing Industry! This position...  ...process (Design Reviews, DFMEAs, DVP&R, etc.) Support internal customers (Manufacturing, Service, Quality, Sales) Qualifications... 
    Internship
    Summer work

    Panasonic Avionics Corporation

    Bridgeton, MO
    5 days ago
  •  ...Design Group THD Design Group is a comprehensive Surveying and Engineering Services company with more than 30 years' experience. The team...  ...or related field Engineer-in-Training (EIT) or Engineering Intern (EI) preferred. Open to all experience levels including... 
    Internship
    Full time
    For contractors
    Work at office
    Local area

    THD Design Group

    Chesterfield, MO
    16 days ago
  • Geotechnical Engineer - Join Our Growing Team We’re seeking a motivated Geotechnical Engineer to join our team and play an active role...  ...Engineering field EIT (Engineer-in-Training) / EI (Engineering Intern) certification preferred — but open to all experience levels, including... 
    Internship

    Liberty Personnel Services, Inc.

    Saint Charles, MO
    1 day ago
  • A leading construction technology company is offering an internship focused on designing truss components and problem-solving engineering issues. The position involves collaboration with experienced mentors to develop skills in a diverse and inclusive workplace. Applicants... 
    Internship

    MiTek Industries

    Chesterfield, MO
    1 day ago
  • $50k

     ...Job Description Job Description Job Summary Put your Civil Engineering degree to work in a role that makes a lasting difference. The...  ...or university, with Engineer in Training (EIT) or Engineering Intern (EI) Certification and five (5)-years of responsible... 
    Internship
    Local area
    Monday to Friday
    Flexible hours
    Shift work

    City of St. Peters

    Saint Peters, MO
    18 days ago
  • $54k - $142k

     ...Boeing Engineering Entry-level, Associate and Mid-level Positions Company: Boeing has shaped the course of human history through aerospace innovations. Today, because of our amazing people and powerful technologies, our products connect the globe, protect freedom,... 
    Internship
    Permanent employment
    Full time
    Relocation
    Visa sponsorship
    Work visa
    Relocation package
    Flexible hours
    Shift work
    Day shift

    Boeing

    Hazelwood, MO
    2 days ago
  •  ...accelerating and simplifying Energy Transition. We provide turnkey engineering and construction services designed to reduce our clients'...  ...Position Functions The Summer Construction Project Coordinator Intern participates in a structured, hands‑on learning experience... 
    Internship
    Full time
    Contract work
    Temporary work
    For subcontractor
    Summer internship
    Start working today

    Veregy

    Chesterfield, MO
    2 days ago
  • A sports performance organization is seeking a Sports Performance Intern for Summer 2026 in Maryland Heights, MO. This unpaid internship allows you to gain hands-on experience in a high-performance training environment while developing coaching skills. Interns will learn... 
    Internship
    Summer work
    Summer internship

    Exos Partners, LLC

    Maryland Heights, MO
    1 day ago
  •  ...wastewater management organization in Maryland Heights is offering a 5-week summer internship for students in the ERTC Program at SIUE. Interns will gain hands-on experience in wastewater treatment processes and daily operations, working alongside skilled professionals.... 
    Internship
    Summer work
    Summer internship

    Metropolitan St. Louis Sewer District

    Maryland Heights, MO
    4 days ago
  • A leading nuclear pharmaceuticals company in Maryland Heights is seeking college students for their summer internship program. Interns will engage in impactful projects, gain hands-on experience, and present their work at the program's conclusion. Candidates must be enrolled... 
    Internship
    Summer work
    Summer internship

    Curium Pharma

    Maryland Heights, MO
    4 days ago
  • $55k - $96k

    Job Description Job Description Thomas Hoffmann AC and Heating has FULL-TIME HVAC Installer/ Service Technician openings! We are seeking an installer and service technician with a minimum of 1 years experience on Residential equipment. We offer a $2,000 hiring incentive...
    Full time
    Relocation package

    Thomas Hoffmann Air Conditioning

    Maryland Heights, MO
    16 days ago
  • Overview The Controls Engineer is responsible for the development, validation, and release of electronic control products, software-enabled...  .... The engineer will also provide technical support to internal teams and customers, ensuring reliable, safe, and effective control... 
    Immediate start
    Flexible hours

    Panasonic Avionics Corporation

    Bridgeton, MO
    5 days ago
  • Overview As a Treatment Plant Intern, you will gain hands‑on experience in water treatment processes, operations, and maintenance at one of our facilities. You will work alongside skilled professionals in various aspects of the wastewater treatment cycle, including system... 
    Internship
    Summer internship

    Metropolitan St. Louis Sewer District

    Maryland Heights, MO
    4 days ago
  •  ...the problem solving they used along the way. Deadline for applications is April 17, 2026. Get more out of your summer! Curium has Intern Opportunities in Multiple Areas! Requirements Must be currently enrolled, at minimum, in a Bachelor Degree program Favorable Grade... 
    Internship
    Summer work
    Summer internship
    Visa sponsorship

    Curium Pharma

    Maryland Heights, MO
    2 days ago
  • We are looking for Experienced Manufacturing Engineers, with expertise in airplane subsystems, production readiness and composite fabrication. Responsibilities Collaborate with cross-functional teams to develop and implement manufacturing processes for air vehicle subsystems... 
    Work experience placement

    Cts Technology Solutions, Inc.

    Hazelwood, MO
    1 day ago
  • Job Description Job Description Are you worth more than what you're getting paid? Tired of being a cog in some corporate upsell machine? Join Arch Air Services, family-owned HVAC crew-where techs aren't just numbers. Twenty-five to thirty-five bucks an hour plus spiffs...
    Apprenticeship
    Flexible hours

    Arch Air Services

    Saint Ann, MO
    21 days ago
  • $105k - $140k

    Job Title Substation Design Engineer-P&C Design Employment Status Full‑time/Exempt Reports to Engineering Manager Work Schedule M‑F...  ...methodologies. Licensed Professional Engineer (PE) or Licensed Engineer Intern (EI) working toward PE licensure. Strong computer skills (e.g.... 
    Internship
    Full time
    Temporary work
    For contractors
    Work at office
    Flexible hours
    Night shift

    Utilitra

    Chesterfield, MO
    2 days ago
  • $80k - $120k

     ...Automation, BAS, BMS, HVAC Controls, Schneider, Smart Buildings, Electrical, Mechanical, Technician, Programming, HVAC Service, Controls Engineer We are an equal opportunities employer and welcome applications from all suitable candidates. #J-18808-Ljbffr Rise Technical... 

    Rise Technical Recruitment Limited

    Maryland Heights, MO
    3 days ago
  • $23 - $40 per hour

    Overview Job description: HVAC Selling Technician Looking to TRADE up to a better opportunity? Academy Air is looking for a self-motivated individuals with a positive attitude to join our growing HVAC team as a Technician. Pay:$23.00 - $40.00/Hour (Base + Uncapped Commission...
    Weekly pay

    Academy Air

    Hazelwood, MO
    3 days ago
  • $25 - $35 per hour

    Yellowstone Local is proud to represent Applied Mechanical Solutions, an industry leader in commercial and residential HVAC-R services. If you’ve got the skills, the grit, and 3-5 years of real-world HVAC-R experience, this is your chance to join a crew that actually values...
    Full time
    Local area
    Trial period
    Monday to Friday
    Shift work

    Yellowstone Local

    Hazelwood, MO
    4 days ago
  • $82k - $115k

    Description This is a mechanical design engineering position with an emphasis on engineering design of complex medical instruments. This...  ...and effectively - Yes Travel required: 0% (Domestic and International) Compensation and Benefits The estimated salary range for this... 
    Temporary work
    Work at office

    bioMerieux Inc.

    Hazelwood, MO
    4 days ago
  • $80k - $120k

    Rise Technical Recruitment Limited is looking for an HVAC Controls Technician in Maryland Heights, Missouri. This position offers a salary between USD 80,000 and USD 120,000 per annum, along with comprehensive benefits and training aimed at advancing your technical skills...

    Rise Technical Recruitment Limited

    Maryland Heights, MO
    3 days ago
  •  ...components and truss repairs for MiTek customers and creatively solve engineering issues our customers have. Expand upon existing standard...  ...outside your current geographic location, we offer a $6,000 Intern Stipend to help cover your temporary housing and travel for the... 
    Internship
    Full time
    Temporary work
    Work at office
    Worldwide
    Monday to Friday

    Mitek, Inc.

    Chesterfield, MO
    3 days ago
  • $38.77k - $48.47k

     ...to work from wiring and assembly drawings, operation sheets, engineering specifications and sketches of varying complexity. Job Responsibilities...  ...position, local or other applicable market conditions, and internal equity. Other factors include the candidate's qualifications... 
    Full time
    Contract work
    Work experience placement
    Local area
    Flexible hours

    Leonardo DRS

    Bridgeton, MO
    1 day ago
  •  ...routine maintenance and troubleshooting of equipment. Prepare and dispose of Biomass and Biowaste in compliance with regulations and internal SOPs. Follow standard operating procedures (SOPs) and safety guidelines. Record and maintain accurate production data and... 
    Temporary work
    Flexible hours
    Shift work

    BeLeaf Medical

    Earth City, MO
    14 days ago
  • $120k - $130k

    ZP Group is seeking an Electrical Systems Engineer in Hazelwood, MO, responsible for the design, integration, testing, and support of complex electronic and electrical systems. The role requires collaboration with customers to define requirements, translating these into... 

    ZP Group

    Hazelwood, MO
    2 days ago
  • $25 - $35 per hour

    A local HVAC-R provider in Hazelwood, MO is seeking an experienced technician to perform installations and service across residential and commercial properties. The position offers $25-$35/hr, full-time hours, and opportunities for growth within the company. The ideal candidate...
    Full time
    Local area

    Yellowstone Local

    Hazelwood, MO
    5 days ago
  • Hussmann in Bridgeton, Missouri, is looking for a Design Engineer to join their dynamic engineering team. This role involves supporting new product development, collaborating with cross-functional teams, and ensuring high-quality product releases. Candidates should have... 

    Hussmann

    Bridgeton, MO
    2 days ago

Do you want to receive more vacancies?

Subscribe and receive similar vacancies to Engineering Intern. Be the first to apply!