Intern Engineer: Rail & Transit – Summer 2026

About the Role

• Support design of fiber optic, radio, and data communication systems • Assist with video surveillance, access control, and passenger information systems • Prepare CAD drawings, specifications, and cost estimates for communications projects • Develop circuits for switches, signals, and crossings • Layout signal blocks and interlockings • Assist with safety documentation and compliance reviews • Design substations, switchgear, and power distribution systems • Perform load flow and short circuit studies • Provide grounding and lighting designs for facilities • Create layouts for catenary systems and support structures • Compile material lists and construction drawings for OCS • Support inspections and field surveys of existing OCS installations • Assist engineering teams with various tasks and duties • Support research, development, and design of projects • Prepare engineering drawings and documents as assigned • Perform basic engineering calculations • Organize information for drawings or documents

Key Responsibilities

• ▸cad drawings
• ▸circuit design
• ▸load flow
• ▸substation design
• ▸grounding design
• ▸catenary layout

What You Bring

HNTB is an equal opportunity employer and provides reasonable accommodations for qualified individuals with disabilities. All employees must be authorized to work in the United States and will be verified through E‑Verify. • Hold a high school diploma/GED and be enrolled in an accredited post‑secondary engineering program • Understand basic engineering, geometric, and algebraic principles • Proficient with Microsoft Office Suite • Knowledge of introductory shop drawing and submittal procedures • Strong communication, teamwork, analytical, and problem‑solving skills with attention to detail • Willingness to learn and take initiative in a dynamic setting • Completed two years of post‑secondary engineering coursework in civil, mechanical, or electrical fields relevant to rail and transit • Experience with AutoCAD and/or MicroStation

Requirements

• ▸autocad
• ▸microstation
• ▸ms office
• ▸engineering program
• ▸2yr engineering
• ▸problem solving

Benefits

The approximate pay range for Massachusetts is $25.28 – $37.92 per hour, based on qualifications, experience, and work location. HNTB offers Total Rewards benefits and is an employee‑owned firm committed to delivering extraordinary value to clients and communities. HNTB does not accept unsolicited resumes from recruiters or agencies. Staffing firms must submit candidates through designated HNTB recruiters to be eligible for placement fees.

Work Environment

Office Full-Time