completion engineering intern jobs in Los Angeles

10,000 completion engineering intern job listings in United States. Find daily updated positions from leading job boards.


  • Los Angeles, California, United States MechNova Full-time $34 - $42 Permanent

    Job Description: The role focuses on manufacturing. Position Responsibilities: Develop tooling to support the manufacturing and integration teams for building Terran R and the AeonR engine Work across multiple teams to develop requirements, define timelines, and get buyoff on design decisions. Required Qualifications: Obtaining BS or MS in Electrical...


  • Los Angeles, California, United States Fehr & Peers Full-time $110,000 - $155,000 Contract

    If you are interested in multiple locations please only apply once, your preference will be discussed during the screening process. As an Experienced Complete Streets Designer/Civil Engineer, you will lead the evaluation, selection, and design of various transportation system solutions for a range of communities, with an emphasis on Safe Systems and...


  • Los Angeles, California, United States AeroNex Systems Full-time $34 - $40 Permanent

    Position Overview: This internship provides an opportunity to gain hands-on experience in nuclear reactor engineering. The internship takes place in Summer 2027. Essential Duties & Responsibilities: ● Assist with the design, modeling, and analysis of electrical systems and components. ● Support testing, validation, and troubleshooting of hardware and...


  • Los Angeles, California, United States Mechvanta Engineering Full-time $26 Permanent

    Internship Summary: The role focuses on root cause analysis and regulatory compliance. The internship takes place in Summer. Program Highlights: We collaborate: Being a part of the company of one team with shared values and common goals. Every person counts and working closely together always brings better results. Partnership is the company's process and...


  • Los Angeles, California, United States The PENTA Building Group Full-time $20 - $25 Permanent

    Description We are now accepting applications for Summer 2027 internships! The PENTA Building Group values cultivating and equipping the next generation of construction professionals for success. Our internship program provides a strong foundation for building your future. PENTA is committed to the growth and success of all PENTA Interns. If you have a...


  • Los Angeles, California, United States Career Launch Tech Initiative Full-time

    Organization: Career Launch Tech Initiative (CLTI) Type: Volunteer Location: Remote (with potential opportunities for on-site collaboration with partner companies) Commitment: Flexible (20-25 hours per week recommended) About CLTI: Career Launch Tech Initiative (CLTI) is a 501(c)(3) nonprofit whose mission is to equip underserved communities with the...


  • Los Angeles, California, United States StructaLink Group Full-time $34 - $42 Permanent

    Position Summary: This internship offers hands-on experience as an avionics engineer intern. Qualifications: ● Obtaining BS or MS degree in aerospace engineering, mechanical engineering, electrical engineering, computer engineering, manufacturing engineering, computer science, or related field. ● Electronics design and/or PCBA design ● Electrical...


  • Los Angeles, California, United States AeroMatrix 12 Full-time $34 - $42 Permanent

    Job Description: The role focuses on manufacturing. Position Responsibilities: Develop tooling to support the manufacturing and integration teams for building Terran R and the AeonR engine Work across multiple teams to develop requirements, define timelines, and get buyoff on design decisions. Required Qualifications: Obtaining BS or MS in Electrical...


  • Los Angeles, California, United States Horizon Lane Full-time $34 - $42 Permanent

    Position Summary: We are looking for a civil & construction engineer intern to support launch and test operations and manufacturing. Responsibilities: ● Design facilities and infrastructure to support advanced propulsion test stands, including 3D modeling of structures, fluids and structural analysis, fabrication drawings, fluids P&IDs, and overall...


  • Los Angeles, CA, United States Harris Corporation Full-time

    L3Harris is dedicated to recruiting and developing high-performing talent who are passionate about what they do. Our employees are unified in a shared dedication to our customers' mission and quest for professional growth. L3Harris provides an inclusive, engaging environment designed to empower employees and promote work-life success. Fundamental to our...


  • Los Angeles, California, United States Arup Full-time $24 - $48 Permanent

    Ground Engineering Intern See it differently You see the world through a unique lens and that’s exactly what we need. We embrace how you see things differently – it’s essential for creating a sustainable future. Arup is a global consultancy with advisory and technical expertise across more than 150 disciplines. We guide, plan and design the future...


  • Los Angeles, CA, United States freeformfuturecorp Full-time

    MANUFACTURING ENGINEERING INTERN (SPRING 2027)Freeform builds AI-native manufacturing systems that unify software, hardware, and physics to produce industrial-scale parts at the speed of human ideation. By treating manufacturing as a single integrated system, we unlock a new era of innovation where complex hardware is designed, built, and scaled without...


  • Los Angeles, CA, United States Helix Electric Full-time

    Description Helix Electric was founded in 1985 and is now one of the nation's largest and most successful electrical contracting companies. Our commitment to empowering people and powering projects is realized by our exceptional team of dedicated and highly skilled experts working together and never settling for good enough. We are proud of the...


  • Los Angeles, California, United States MechNova Full-time $34 - $42 Permanent

    Position Summary: The role focuses on root cause analysis, engineering design, and manufacturing. Whether you're working on highly iterative mechanisms that move or tight-margin structures that shouldn’t, you’ll get hands-on hardware ownership and see the rocket coming to life on the factory floor. Responsibilities: Support the design, analysis, and...


  • Los Angeles, CA, United States Helix Electric Full-time

    Description Helix Electric was founded in 1985 and is now one of the nation's largest and most successful electrical contracting companies. Our commitment to empowering people and powering projects is realized by our exceptional team of dedicated and highly skilled experts working together and never settling for good enough. We are proud of the...


  • Los Angeles, CA, United States Helix Electric Full-time

    Description Helix Electric was founded in 1985 and is now one of the nation's largest and most successful electrical contracting companies. Our commitment to empowering people and powering projects is realized by our exceptional team of dedicated and highly skilled experts working together and never settling for good enough. We are proud of the...


  • Los Angeles, California, United States K2 Space Full-time $30 - $40 Permanent

    K2 is building the largest and highest-power satellites ever flown, unlocking performance levels previously out of reach across every orbit. Backed by over $1 billion in total funding from leading investors including Altimeter Capital, ICONIQ, Kleiner Perkins, Lightspeed Venture Partners, Redpoint Ventures, and T. Rowe Price — and with over $1 billion in...


  • Los Angeles, CA, United States freeformfuturecorp Full-time

    Freeform is seeking a Manufacturing Engineering Intern for Spring 2027 in Hawthorne, CA. You will join a team to scale production of high-performance metal 3D printed parts, refining processes, tooling, and CNC workflows to enable precision manufacturing at speed and scale.This hands-on, fast-paced role is ideal for someone eager to learn and contribute to...


  • Los Angeles, CA, United States WSP USA Full-time

    This Opportunity WSP USA hosts hundreds of internships across the United States to gain hands-on, meaningful work experience to enhance their education and professional aptitude. Our interns gain exposure to real projects while working side by side with senior staff. Through our Developing Professionals Network, interns gain mentorship, networking...


  • Los Angeles, California, United States Arup Full-time $22 - $44 Permanent

    Tunneling Engineering Intern See it differently You see the world through a unique lens and that’s exactly what we need. We embrace how you see things differently – it’s essential for creating a sustainable future. Arup is a global consultancy with advisory and technical expertise across more than 150 disciplines. We guide, plan and design the...