Defense & Intel (D&I) - Mechanical Engineering Internship

Trinzic; Lexington (MA); On-site; USD 25,000 - 48,000; Full time

Job summary

KBR is seeking highly motivated students for its Defense & Intel - Mechanical Engineering Internship Program for Summer 2027 in Lexington, MA. Interns will work alongside experienced engineers on real-world projects, applying mechanical engineering principles and CAD tools while gaining exposure to testing, documentation, and cross-disciplinary collaboration.

Selected interns will benefit from mentorship, hands-on experience, and the chance to contribute to national security and advanced

Qualifications

• Full-time rising junior, senior or graduate student pursuing a degree in Mechanical Engineering.
• Possess excellent verbal and written communication skills.

Responsibilities

• Assist in researching, designing, modifying and evaluating systems and components.
• Validate vendor equipment performance and develop testing methods.
• Support senior engineers with test procedures and data analysis.
• Research and identify mechanical parts, components, and materials.
• Manage data including test results, BOMs, quotations, drawings and data sheets.
• Perform hardware assembly and equipment installations.
• Communicate and collaborate with other engineering disciplines, manufacturing personnel, management, vendors, customers and subcontractors.
• Support engineering documentation: drawings, project specifications, procedures, test data and results.
• Abide by company policies and procedures to complete assigned tasks.

Tools

CAD software

Job description

Defense & Intel (D&I) - Mechanical Engineering Internship

At KBR, we deliver science, technology and engineering solutions to governments and companies around the world. KBR employs approximately 37,000 people worldwide with customers in more than 85 countries and operations in over 28 countries. KBR is proud to work with its customers across the globe to provide technology, value-added services, and long-term operations and maintenance services to ensure consistent delivery with predictable results.

Trinzic is the future independent company to be created through the planned spin-off of KBR's Mission Technology Solutions business, expected in January 2027. Our people work at the frontier of what is possible, delivering solutions in challenging environments and advancing some of the world's highest-priority national security and space missions.

Backed by decades of mission success, deep expertise, and trusted partnerships, Trinzic will launch as a global organization with more than 18,000 employees supporting customers around the world. Join us at a defining moment and help shape the future of a company built to tackle complex challenges and make a meaningful impact.

Candidates who join KBR's Mission Technology Solutions business before the spin-off will transition to Trinzic when the separation is complete and will not need to reapply for employment.

The Opportunity

KBR is seeking highly motivated and talented students to join our Defense & Intel Internship Program for Summer 2027. This internship offers hands-on experience, professional development, and the opportunity to contribute to meaningful projects that support national security and advanced technology initiatives.

Interns will work alongside experienced professionals on real-world assignments, gaining exposure to technical and operational challenges while building valuable skills and industry knowledge. Whether your interests are in engineering, software, cyber, data analytics, science, business, or mission operations, KBR provides an environment where you can learn, contribute, and grow.

Why Join KBR?

• Mentorship from experienced subject matter experts.
• Cutting edge projects, relevant to real world challenges.
• Work in a collaborative and dynamic team environment.
• Networking opportunities with other technologists and executives.
• Competitive pay and great company culture.

As a Defense & Intel - Mechanical Engineering Intern, you will:

• Assist in research, design, modify, develop and evaluate systems, products, components, and applications by applying fundamental mechanical engineering principles.
• Validate vendor equipment performance and capabilities by developing testing methods, performing tests, and documenting test results.
• Support senior engineers with final system performance through execution of test procedures and data analysis.
• Research and identify mechanical parts, components, and materials.
• Manage data, including test results, Bills-of-Material, quotations, drawings, technical data sheets, etc.
• Perform hardware assembly and equipment installations.
• Communicate and collaborate with other engineering disciplines, manufacturing personnel, management, vendors, customers, and subcontractors.
• Support engineering documentation, i.e., drawings, project specifications, procedures, test data and results.
• Abide by company policies and procedures to complete assigned tasks.

Selected interns for this paid opportunity will be provided with the opportunity to mentor with experienced professionals, gain experience and establish a name for themselves in this high demand career field.

Required Skillset

• Full-time rising junior, senior or graduate student pursuing a degree in Mechanical Engineering.
• Knowledge of Computer Aided Drafting (CAD) software; experience with CAD software preferred.
• Possess excellent verbal and written communication skills

Work Schedule

• Average 40 hours per week.
• 12 weeks in duration during the period of Summer 2027.

Security Requirements

• Security Clearance: Ability to obtain a U.S. Government Secret Security Clearance.

Compensation

• $18 - $35 per hour
• The offered rate will be based on the selected candidate’s location, degree type and area of study, and year in school.

Belong, Connect and Grow at KBR

At KBR, we are passionate about our people and our Zero Harm culture. These inform all that we do and are at the heart of our commitment to, and ongoing journey toward being a People First company. That commitment is central to our team's philosophy and foster an environment where everyone can Belong, Connect and Grow. We Deliver – Together.

KBR is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, disability, sex, sexual orientation, gender identity or expression, age, national origin, veteran status, genetic information, union status and/or beliefs, or any other characteristic protected by federal, state, or local law.