Internships in Aerospace / Defense in the USA

“Millennium Space Systems offers a 10-12 week summer 2026 internship in their Business Office. The intern will support accounts payable/receivable, invoicing, finance, and expense reports. Requirements include a major in Accounting, Finance, Economics, or related fields, and U.S. citizenship. The position is onsite, with a pay range of $21.15-$36.54/hr.”

“Millennium Space Systems offers a 10-12 week summer 2026 internship in Accounting. Focus on capital assets, month-end close, and balance sheet reconciliations. Onsite role, U.S. citizenship required. Pay range: $21.15-$36.54/hr. Open to Accounting, Finance, or Economics majors.”

“Data Analyst Intern at (COMPANY NAME) DRS Naval Power Systems. Support projects, create graphs, update databases, and assist with administrative tasks. High school diploma and 1 semester of college required. U.S. Citizenship needed. Competitive benefits and career growth opportunities.”

“Summer Internship in Business Improvement & Supply Chain at VAS Aero Services ((COMPANY NAME)) in Boca Raton, FL. Focus on process optimization, AI solutions, data analysis, and project management. Requires Bachelor's/Master's student with strong computer skills and English proficiency. Onsite role with occasional travel.”

“Millennium Space Systems offers a 10-12 week Summer 2026 Internship Program in Electrical Power Systems. Interns will design and test satellite power systems, including batteries and solar arrays. Requirements include a Bachelor's degree in electrical engineering, knowledge of power circuit design, and proficiency in MATLAB or Python. The position is onsite, and U.S. citizenship is required. Compensation ranges from $21.15 to $35.58 per hour.”

“2026 Optical Engineering Internship at (COMPANY NAME) in El Segundo, CA. Design, analyze, and test optical systems. Requires Bachelor's or higher in Optics, Physics, Engineering, or Mathematics. Hands-on experience with optical alignment and design software. Onsite role with U.S. citizenship required. Salary range: 42,000 - 88,000 USD.”

“Summer 2026 Secure Gateway Services Intern (Remote) at RTX. Assist with enterprise web proxy infrastructure, automation, and cybersecurity operations. Gain experience with ZeroTrust principles, Zscaler Internet Access, and Splunk dashboards. Bachelor's degree in Computer Science or related field required. Salary range: 37,000 USD - 82,000 USD.”

“Millennium Space Systems offers a 10-12 week summer 2026 internship in Mechanical Ground Support Equipment. Interns will design, draft, and analyze MGSE fixtures, support senior engineers, and create chart packages. The role is onsite, requires U.S. citizenship, and offers a pay range of $21.15-$35.58/hr. Candidates should have CAD experience, mechanical engineering fundamentals, and strong communication skills.”

“(COMPANY NAME) offers a 2026 Electrical Design and Technology Internship in Linthicum, MD. Open to STEM students, it's a full-time, on-site role for at least 10 weeks. Pay ranges from $24.75 to $38.25/hour. U.S. citizenship required. Relocation assistance may be available.”

“Millennium Space Systems offers a 10-12 week summer 2026 internship in Manufacturing Engineering. Interns will work on developing and improving manufacturing processes for spacecraft avionics, gaining hands-on experience in electronics manufacturing. The role involves creating tools, authoring procedures, and supporting assembly technicians. The position is onsite, requires U.S. citizenship, and offers a pay range of $21.15 to $35.58 per hour.”

“(COMPANY NAME) seeks a Software Engineer Intern in Dulles, VA, for summer 2026. The role involves space systems engineering, requirements development, and testing. Candidates must be enrolled full-time in a related field, available for 10+ weeks, and eligible for U.S. government security clearance. Pay ranges from $25.75 to $39.00 per hour.”

“Millennium Space Systems offers a 10-12 week summer 2026 internship in Propulsion Engineering. Interns will support the propulsion team with 3D modeling, performance analysis, and prototyping. The role is onsite, requires U.S. citizenship, and offers a pay range of $21.15-$35.58/hr. Candidates should have a background in Mechanical or Aerospace Engineering and 3D CAD experience.”

“Summer 2026 Acoustics Intern (Hybrid) at RTX Technology Research Center in East Hartford, CT. Focus on aeroacoustics or hydroacoustics for aerospace and defense. Requires Master's or Ph.D. enrollment, U.S. Person status, and relevant experience. Salary range: $37,000 - $82,000. Hybrid role with benefits.”

“(COMPANY NAME) seeks Supply Chain Interns for summer 2026 in El Segundo or Redondo Beach, CA. Full-time, 10-week internship for STEM students graduating after August 2026. U.S. citizenship required for security clearance. Pay ranges from $20.50 to $46.75 per hour. Relocation assistance may be available.”

“Business Enablement Internship in Santa Isabel, Puerto Rico. Support project and resource management, data quality reviews, and report preparation. Learn project management, data analysis, and workflow optimization. Requires U.S. citizenship and pursuit of a Bachelor's or advanced degree. No relocation offered.”

“(COMPANY NAME) seeks a Software Engineer Intern in Dulles, VA for Summer 2026. Full-time, 10-week internship for students majoring in computer science or related fields. Responsibilities include developing space payloads, spacecraft buses, and satellites. Pay ranges from $25.75 to $39.00 per hour. U.S. citizenship required.”

“2026 Intern - Mechanical Engineer - Test Equipment - Onsite. U.S. citizenship and security clearance required. Design and develop mechanical test systems. Bachelor's or Master's degree in STEM. Onsite in Tucson, Arizona. Salary range: 37,000 USD - 82,000 USD.”

“Summer 2026 Mechanical Behavior and Systems Intern (Onsite) at RTX in East Hartford, CT. Assist in program execution, conduct testing, collaborate on research, and resolve technical issues. Learn precision test rig assembly, data acquisition, mechanical measurements, and mechanical design. Requires a Bachelor's or Master's degree in Mechanical or Materials Engineering. Salary range: 37,000 USD - 82,000 USD.”

“Electromagnetics Researcher Summer Intern at RTX Technology Research Center. Focus on RF and EO components, modeling, prototyping, and testing. Use tools like Python and Keysight ADS. Requires U.S. Person status and relevant academic background. Duration and benefits not specified.”

“2026 Logistics Intern at (COMPANY NAME) in Tucson, AZ. Onsite role for U.S. citizens pursuing a degree in Supply Chain, Logistics, or related fields. Gain hands-on experience, work on projects, and improve processes. Salary range: $37,000 - $82,000. Benefits include medical, dental, vision, life insurance, 401(k) match, and more.”

“MRO Operations Coop (Summer/Fall 2026) at RTX in Lenexa, USA. Full-time, onsite internship from May/June to December. Develop operational strategies, analyze workflows, and ensure compliance. U.S. citizenship required. Compensation range: 37,000 - 82,000 USD. Benefits may include medical, dental, vision, life insurance, 401(k) match, and more.”

“Systems Engineering Intern for Summer 2026 in Menomonee Falls, WI. Paid undergraduate internship with 10-week duration. Hands-on, technical experience in naval power systems. Mentorship, 9/80 schedule, and 401(K) benefits. Requires U.S. citizenship and 3.0 GPA.”

“Continuous Improvement Engineer Co-Op (Summer/Fall 2026) at Collins Aerospace in Melbourne, FL. On-site role for U.S. citizens. Duration: May/June-December 2026. Compensation: up to 82,000 USD. Focus on continuous improvement, training, and cost reduction. Eligible for relocation and benefits.”

“(COMPANY NAME) seeks a Financial Analyst intern in Dulles, VA. The role involves economic research, financial analysis, and system specifications. Candidates must be enrolled full-time in a business-related degree, available full-time for at least 10 weeks in summer 2025, and eligible for U.S. government security clearance. Bachelor's degree candidates earn $23-$28/hour; Master's degree candidates earn $33.50-$35.25/hour. The application period is approximately 20 days from the job posting date.”

“Internship at Pratt & Whitney for AI/ML Technical Developer. Support AI/ML prototype development, data analysis, and model evaluation. Work with structured technical data, Python, and machine learning concepts. Onsite role in East Hartford, CT. Salary range: $37,000 - $82,000. U.S. citizenship required.”

“2026 Intern - Materials & Process Engineering - Mechanical Engineer. Onsite role in Tucson, AZ. Requires active U.S. security clearance. Bachelor's degree in STEM, entering sophomore year by summer 2026. Test materials, write reports, learn material characterization. Salary range: 37,000 - 82,000 USD. Benefits include medical, dental, 401(k), and more.”

“Software Engineering Internship (Summer 2026) in Cedar Rapids, Iowa. Collaborate with aerospace experts, design flight-critical software, and learn Agile development. U.S. citizenship required. Compensation up to $82,000.”

“2026 Systems Engineering Internship at (COMPANY NAME) in Tucson, AZ. Onsite role for Junior, Senior, or Post-Graduate STEM students. Support integration, verification, and test activities. Requires U.S. citizenship and security clearance. Compensation range: $37,000 - $82,000 USD. Travel up to 15%.”

“(COMPANY NAME) seeks Systems Engineers for a 2026 summer internship in Oklahoma City. Full-time students in STEM fields can apply. Tasks include equipment maintenance, testing, and data reporting. Pay ranges from $17.00 to $38.50 per hour. U.S. citizenship and security clearance required.”

“RTX offers a 2026 Summer Internship in Scientific Machine Learning for Fluid Dynamics. Collaborate on advanced modeling for aero-thermal and high-speed flows using machine learning and computational fluid dynamics. Gain experience in aerodynamics, aerothermochemistry, and data-driven modeling. Requirements include expertise in scientific machine learning and computational fluid dynamics. Salary range: 37,000 USD - 82,000 USD.”

“Millennium Space Systems offers a 10-12 week Summer 2026 Internship in Electrical Design and Analysis. Interns will work on satellite avionics, including power, communications, and computing circuitry. Requirements include being a U.S. Person, majoring in Electrical or Computer Engineering, and experience with electrical design tools. Compensation ranges from $21.15 to $35.58 per hour.”

“(COMPANY NAME) seeks a Systems Engineering Intern in Gilbert, AZ, for summer 2026. The role involves systems engineering activities, including requirements development, design, integration, and testing of space systems. Candidates must be enrolled full-time in an accredited college/university, majoring in Systems, Mechanical, Electrical, or Aerospace Engineering, and available for 10 weeks. U.S. citizenship is required. Pay ranges from $23.25 to $28.25 per hour.”

“(COMPANY NAME) seeks a Product Marketing Intern for a 12-week summer internship in Costa Mesa, CA. The role involves supporting product marketing initiatives, competitive analysis, sales enablement, and content creation. Ideal for a rising college senior passionate about defense technology and product marketing.”

“Summer 2026 Supply Chain Intern (Onsite) at RTX in East Hartford, CT. U.S. citizenship required. Support procurement, process improvement, and supplier communication. Bachelor's or Master's degree in Business Administration, Data Analytics, or Operations Management. Salary range: 37,000 - 82,000 USD.”

“2026 Intern - (COMPANY NAME) Receiver, Exciter & Processing Architecture Electrical Engineer Intern (Onsite). U.S. citizenship required for security clearance. Work on radar systems, receivers, exciters, and processing electronics. Bachelor's or graduate degree in Electrical Engineering or related STEM major. Onsite role in Tewksbury, MA. Salary range: 37,000 USD - 82,000 USD.”

“2026 Summer Finance Intern at (COMPANY NAME) in Tucson, AZ. U.S. citizenship required. Focus on financial planning, analysis, and business management. Compensation range: 37,000 - 82,000 USD. No relocation provided. Must have a bachelor's or master's degree in Business, Finance, Economics, Math, or related fields. Experience with Microsoft Office preferred. Onsite role.”

“Millennium Space Systems offers a 10-12 week Summer 2026 Internship in Ground Software Engineering. Interns will develop, integrate, and test ground software, working with Python, web frameworks, databases, and more. Onsite role in the US, requiring U.S. citizenship. Pay range: $21.15-$35.58/hr.”

“(COMPANY NAME) seeks a Brand Marketing Intern for a 12-week summer internship in Costa Mesa, CA. The role involves developing and executing brand marketing initiatives, collaborating with internal teams, and supporting strategic campaigns. Ideal for a rising college senior pursuing a degree in Marketing, Communications, or related fields, with strong organizational skills and a passion for brand building and strategic communications. The internship is in-person and requires authorization to work in the United States.”

“Summer Internship in Commercial Sales at VAS Aero Services ((COMPANY NAME)) in Boca Raton, FL. Gain experience in sales, market analysis, and data-driven decision-making. Support commercial activities, identify opportunities, and assist in strategic product research. Requires proficiency in data analysis, strong communication skills, and interest in aviation industry. Onsite or remote (60%).”

“(COMPANY NAME) offers a 2026 Hardware Engineering Internship in Aurora, CO. The role involves mechanical drawings, monitoring shelter performance, and equipment installation. Candidates must be full-time STEM students, available for 10 weeks, and eligible for U.S. government security clearance. Pay ranges from $20.50 to $46.75 per hour, with benefits and potential bonuses.”

“(COMPANY NAME) offers a 2026 Intern Program in San Diego, CA, focusing on Program Integration. The role involves program reporting, metrics generation, and proposal facilitation. Candidates must be enrolled full-time in a related degree and available for 10 weeks. Pay ranges from $23 to $35 per hour, with benefits and potential relocation assistance. U.S. citizenship and security clearance are required.”

“Summer 2026 Physics AI Intern (Hybrid) at RTX in East Hartford, USA. Develop algorithms, implement software, and train models for Physics-Informed Machine Learning (PIML) or Scientific Machine Learning (SciML) architectures. Collaborate with researchers, conduct experiments on GPU clusters, and present findings. Ph.D. candidates in Computer Science, Mathematics, or related Engineering disciplines with a focus on physics AI. Proficiency in Python, PyTorch, or TensorFlow required. Salary range: 37,000 USD - 82,000 USD.”

“(COMPANY NAME) offers a 2026 Manufacturing Engineering Internship in Roy, UT. The role involves process development, collaboration with design engineering, and troubleshooting. Candidates must be enrolled in Mechanical or Manufacturing Engineering, available full-time for at least 10 weeks, and eligible for U.S. government security clearance. Pay ranges from $22.25 to $33.75 per hour.”

“2026 Mechanical Engineering internship in Tucson, Arizona. Work on defense products for Tactical Radars, Effectors, and more. Requires U.S. citizenship and security clearance. Compensation up to 82,000 USD. Onsite role.”

“Millennium Space Systems offers a 10-12 week Summer 2026 internship in Mission Analysis Engineering. Interns will support programs, develop models, and apply AI/ML concepts. Requirements include familiarity with MATLAB/Python, aerospace systems design, and U.S. citizenship. Compensation ranges from $21.15 to $30.77 per hour.”

“Millennium Space Systems offers a 10-12 week summer 2026 internship focused on circuit and system reliability. Interns will design data pipelines, develop tools for survivability data, and automate processes. The role is onsite, requires U.S. citizenship, and offers a pay range of $21.15-$35.58/hr. Candidates should have a degree in CSE, Computer Science, System Engineering, Data Science, or EE, with Python experience and schematic analysis skills.”

“(COMPANY NAME) seeks Engineering Interns in Orlando, FL for summer 2026. Full-time, 10-week internship for STEM students. Pay ranges from $17.75 to $32.75/hour. U.S. citizenship and security clearance required. Relocation assistance may be available.”

“Summer 2026 Strategic Regulatory Services Intern (Remote) at RTX. U.S. citizenship required. Work on cybersecurity compliance, regulations, audits, and risk management. Track audit requests, compile metrics, update risk registers, and research best practices. Qualifications include pursuing a degree in Computer Science, Information Technology, Engineering, Mathematics, or related field with a focus on Cybersecurity. Salary range: 37,000 USD - 82,000 USD.”

“Summer 2026 Power Electronics Systems Intern in East Hartford, CT. Develop high-density converter designs, advanced magnetic modeling, and multi-physics simulations. Requires Ph.D. in Electrical Engineering, experience in power electronics, and proficiency in FEA tools. Onsite role with a salary range of 37,000 USD to 82,000 USD.”

“(COMPANY NAME) seeks a Mechanical Engineer intern in Gilbert, AZ. The role involves integration and test activities for space vehicle systems. Candidates must be full-time students in Mechanical Engineering, available for 10 weeks in summer 2026, and U.S. citizens. Pay ranges from $17.75 to $40.50 per hour.”