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Internship Principal Structural Engineer Jobs in Washington

AHU Technologies, Inc.

STRUCTURAL ENGINEER

Washington, DC · On-site

$72K - $83K/yr

  • Medical

  • Dental

  • Retirement

  • PTO

Paid time off We are seeking a dedicated Structural Engineer to join the ZMM team. Candidates ... principal consultants. Maintaining working relationships with a cadre of other highly skilled ...

DLR Group

Structural Engineer, Entry Level

Washington, DC · On-site

$76K - $119K/yr

  • Medical

  • Dental

  • Vision

  • Retirement

  • PTO

Previous internship co-op experience or full time position with a consulting engineering or A/E firm. * Passed Fundamentals of Engineering Exam. * Experience with BIM (e.g. Autodesk Revit Structural ...

M.C. Dean, Inc

Structural Engineer Principal 4

Tysons, VA · On-site

$125K - $156K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

The Structural Engineer will be responsible for designing, planning, and overseeing the construction of structures to ensure they are safe, sustainable, and cost-effective. This includes buildings ...

ECS Ltd

Structural Associate Principal

Hanover, MD · On-site

  • Retirement

Support Principal-level review processes in accordance with ECS policies. * Lead and oversee ... Structural Engineering & Field Oversight * Supervise and direct field investigations and testing ...

ECS Ltd

Structural Associate Principal

Hanover, MD · On-site

  • Retirement

Support Principal-level review processes in accordance with ECS policies. * Lead and oversee ... Structural Engineering & Field Oversight * Supervise and direct field investigations and testing ...

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Internship Principal Structural Engineer information

What is the difference between Internship Principal Structural Engineer vs Structural Engineer?

AspectInternship Principal Structural EngineerStructural Engineer
QualificationsTypically pursuing or holding a bachelor's or master's in structural engineering; internship experienceLicensed or registered engineer with a degree in structural engineering; professional licensure often required
Work EnvironmentInternship setting, assisting senior engineers on projects, learning industry standardsDesign, analyze, and oversee structural projects independently or as part of a team
ResponsibilitiesSupporting project tasks, learning design principles, gaining practical experienceDeveloping structural designs, calculations, and ensuring code compliance

The main difference is that an Internship Principal Structural Engineer is a trainee gaining practical experience, while a Structural Engineer is a licensed professional responsible for designing and managing structural projects. Interns focus on learning and supporting, whereas licensed engineers handle independent project work.

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Infographic showing various Internship Principal Structural Engineer job openings in Washington as of July 2026, with employment types broken down into 92% Full Time, 4% Part Time, and 4% Contract. Highlights an 89% Physical, 4% Hybrid, and 7% Remote job distribution.

Principal/Sr. Principal Structural Engineer

Northrop Grumman Corp. (AU)

Annapolis, MD • On-site

$108K - $163K/yr

Other

Medical, Life, PTO

Posted 3 days ago

New

Northrop Grumman rating

8.2

Company rating: 8.2 out of 10

Based on 362 frontline employees who took The Breakroom Quiz

88th of 538 rated manufacturers

Job description

Job Summary

Position: Principal or Senior Principal Structural Engineer (Naval & Oceanic Systems). Location: Annapolis, MD. Travel 10% of time. Security clearance required: TS/SCI (US citizen).

Responsibilities
  • Perform linear and non‑linear structural analyses of individual components and complex underwater assemblies using hand calculations, Finite Element Analysis (FEA), and bolted joint calculations.
  • Lead a small team of structural analysts to support program analysis needs and ensure designs meet program requirements, schedule, and budget objectives.
  • Collaborate in a team environment, prioritize tasks, and develop solutions to complex problems.
  • Communicate results verbally and in writing.
Qualifications – Principal Structural Engineer
  • BS in Engineering (Mechanical, Aerospace, or equivalent STEM) plus minimum 5 years of structural and/or thermal analysis experience, or MS with minimum 3 years.
  • Proficiency in FEMAP/Nastran or ANSYS, bolted joint analysis, structural hand calculations, and common engineering design, production, analysis, and office tools.
  • US citizen with ability to obtain TS/SCI clearance and pass a polygraph.
Qualifications – Senior Principal Structural Engineer
  • BS in Engineering (Aerospace, Mechanical, or equivalent STEM) plus minimum 8 years of structural analysis and/or thermal analysis experience, or MS with minimum 6 years.
  • Proficiency in FEMAP/Nastran or ANSYS, bolted joint analysis, structural hand calculations, and common engineering design, production, analysis, and office tools.
  • US citizen with ability to obtain TS/SCI clearance and pass a polygraph.
Preferred Qualifications
  • Experience working in a fast‑paced environment with multiple simultaneous projects.
  • Skills in shock, vibration, bolted joint calculations, fracture analysis.
  • Experience with CFD analysis, materials design for undersea environment, manufacturing techniques, integration and test.
  • Active Secret clearance.
Salary & Benefits

Primary Level Salary Range: $108,800.00 – $163,200.00. Secondary Level Salary Range: $135,800.00 – $203,600.00.

Employees may be eligible for overtime, shift differential, discretionary bonus, and long‑term incentives (for VP or Director positions).

Benefits include health insurance coverage, life and disability insurance, savings plan, company‑paid holidays and paid time off (PTO) for vacation and/or personal business.

EEO Statement

Northrop Grumman is an Equal Opportunity Employer. We make decisions without regard to race, color, religion, creed, sex, sexual orientation, gender identity, marital status, national origin, age, veteran status, disability, or any other protected class. U.S. Citizenship is required for all positions with a government clearance and certain other restricted positions. For our complete EEO and pay transparency statement, please visit http://www.northropgrumman.com/EEO.

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What Northrop Grumman employees say

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About Northrop Grumman

Sourced by ZipRecruiter

At Northrop Grumman, our employees have incredible opportunities to work on revolutionary systems that impact people's lives around the world today, and for generations to come. Our pioneering and inventive spirit has enabled us to be at the forefront of many technological advancements in our nation's history - from the first flight across the Atlantic Ocean, to stealth bombers, to landing on the moon. We look for people who have bold new ideas, courage and a pioneering spirit to join forces to invent the future, and have fun along the way. Our culture thrives on intellectual curiosity, cognitive diversity and bringing your whole self to work - and we have an insatiable drive to do what others think is impossible.

Industry

Space research administration

Company size

10,000+ Employees

Headquarters location

Falls Church, VA, US

Year founded

1939

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