Summer 2026 Plant Engineer Internship

Lonza • Portsmouth, NH

122d

About The Position

We are actively recruiting candidates to participate in our 2026 On-site Summer Internship program. This program is roughly 12 weeks in length and will immerse you into the culture and operations of Lonza Portsmouth. The Plant Engineer Intern supports ongoing operations at the Portsmouth, NH site through technical assistance as it relates to manufacturing and process systems. The focus of the role is supporting the manufacturing engineering department on their objectives and developing an understanding of the engineering function and biologics processes. Responsibilities of the Plant Engineering function include both tactical support of ongoing plant operations and strategic implementation of engineering projects to meet the changing needs of the business. The role reports into the Manufacturing Engineering department at the site. Role is flexible and may support, plant equipment, automation and Manufacturing Execution Systems (MES). The internship program begins in May and ends in August. Potential interns must be able to commit to at least 40 hours per week throughout the duration of the summer internship.

Requirements

• Completion of junior year (typically 90 credits) towards a B.S. degree in Chemical, Bio Process, or Mechanical Engineering.
• Minimum cumulative GPA of 3.0 (out of 4) required.
• Must currently be enrolled in BS or MS Academic Program.
• Excellent verbal and written communications skills.
• Self-motivation and the ability to contribute as a team member.
• Ability to organize, plan and execute projects.
• Research skills and attention to detail.

Responsibilities

• Support ongoing operations at the Portsmouth, NH site through technical assistance related to manufacturing and process systems.
• Assist the manufacturing engineering department in achieving their objectives.
• Develop an understanding of the engineering function and biologics processes.
• Provide tactical support for ongoing plant operations.
• Implement strategic engineering projects to meet changing business needs.
• Support plant equipment, automation, and Manufacturing Execution Systems (MES).

Benefits

• Onsite cafeteria
• Fitness center
• Other amenities

What This Job Offers

• Career Level: Intern
• Education Level: Bachelor's degree
• Number of Employees: 5,001-10,000 employees