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Sr Principal Engineer Jobs (NOW HIRING)

EEC Environmental

Senior Principal Engineer

Orange, CA · On-site

$150K/yr

EEC Environmental is actively seeking a creative, growth-focused and ambitious Senior Principal Engineer to serve in a leadership role in our Orange County office. In this role, you will be ...

Hazen and Sawyer

Senior Principal Engineer

Fairfax, VA · On-site

$128K - $177K/yr

Hazen and Sawyer is seeking a Senior Principal Engineer for our Fairfax, VA office. Key Responsibilities: * Delivering public sector water and wastewater facilities planning and design projects

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How much do sr principal engineer jobs pay per year?

As of Aug 6, 2026, the average yearly pay for sr principal engineer in the United States is $155,430.00, according to ZipRecruiter salary data. Most workers in this role earn between $125,500.00 and $173,000.00 per year, depending on experience, location, and employer.

What is the difference between Sr Principal Engineer vs Lead Engineer?

AspectSr Principal EngineerLead Engineer
CredentialsTypically requires advanced engineering degrees and extensive experienceRequires relevant engineering degrees and proven technical expertise
Work EnvironmentStrategic, cross-functional projects with high-level technical influenceProject execution, team coordination, and technical leadership within projects
Industry UsageCommon in large organizations across tech, manufacturing, and engineering sectorsWidely used in tech and engineering teams for project leadership

While both roles require strong technical skills, the Sr Principal Engineer focuses on strategic technical direction and innovation, whereas the Lead Engineer emphasizes project execution and team leadership. The Sr Principal Engineer often operates at a higher organizational level, influencing multiple projects and initiatives.

What is a senior principal engineer?

A senior principal engineer is a high-level technical expert responsible for leading complex projects, setting technical strategy, and providing mentorship within an organization. They typically have extensive experience in engineering, advanced problem-solving skills, and may influence product development and technical standards. This role often requires strong communication skills and proficiency with industry tools and methodologies.
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Sr Principal Engineer jobs near you
Infographic showing various Sr Principal Engineer job openings in the United States as of August 2026, with employment types broken down into 100% Full Time. Highlights an 100% In-person job distribution, with an average salary of $155,430 per year, or $74.7 per hour.

Principal or Sr. Principal Engineer Aeronautical - Stores Aerodynamics

Northrop Grumman Corporation

El Segundo, CA

$122K - $213K/yr

Full-time

Medical, Life, PTO

Re-posted 11 days ago

Northrop Grumman rating

8.2

Company rating: 8.2 out of 10

Based on 360 frontline employees who took The Breakroom Quiz

87th of 536 rated manufacturers

Job description

RELOCATION ASSISTANCE: Relocation assistance may be availableCLEARANCE REQUIRED FOR START: YesCLEARANCE TYPE: SecretTRAVEL: Yes, 10% of the TimeDescriptionAt 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. Our employees are not only part of history, they're making history.

Northrop Grumman Aeronautics Systems is hiring a Principal or Senior Principal Engineer Aeronautical to join our Vehicle Engineering organization of qualified, diverse individuals in El Segundo, CA or Melbourne, FL.

We are seeking an experienced aerodynamics engineer to join our team in analyzing next-generation aerodynamic stores integration and Air Vehicle aerodynamics. The ideal candidate will have a strong background in aerodynamics and a passion for developing innovative solutions to improve flight performance.

Responsibilities:

  • Perform aerodynamic characterization efforts utilizing analytical methods

  • Perform analytical stores trajectory and separation analyses

  • Provide technical analysis data for data reports and other Airworthiness artifacts required to support flight clearances and certification

  • Support execution of wind tunnel test events including two-body separation tests

  • Support ground and flight test events, acquisition and analysis of test data

  • General frequent use and application of technical standards, principles, theories, concepts and advanced techniques

  • Demonstrates the skill and ability to perform complex professional tasks

  • Innovates solutions to a variety of technical challenges of increasing scope and complexity

  • Work closely with other disciplines including Configuration, Aerodynamics, S&RE, Computational Fluid Dynamics (CFD), Mechanisms, etc.

  • Utilize excellent communication skills to report program milestones, technical approaches, and findings to leads, program management, and customer

This role can be filled as an Engineer (level 2), Principal Engineer (level 3) or Sr. Principal Engineer (level 4) depending on the qualifications below.

Basic Qualifications:

  • Basic qualifications for a Principal Engineer include a Bachelor's in Science, Technology, Engineering or Math (STEM) and at least 5 years of experience, a Master's Degree in STEM with 3 years of experience, or a PhD Degree with no experience.

  • Basic qualifications for a Sr. Principal Engineer include a Bachelor's in Science, Technology, Engineering or Math (STEM) and at least 8 years of experience, a Master's Degree in STEM with 6 years of experience, or a PhD Degree with 3 years of experience.

  • Knowledge of fixed-wing aircraft aerodynamics

  • Experience with using aerodynamic tools and techniques

  • Experience using MATLAB to create, process, analyze, and visually represent data

  • Must have an active US Government Secret or higher clearance (with a background investigation completed within the last 6 years or currently enrolled into Continuous Evaluation)

  • Must have the ability to obtain and maintain Special Access Program (SAP) clearance prior to the commencement of employment

Preferred Qualifications:

  • Degree discipline in Aerospace or Aeronautical Engineering with concentration in aerodynamics

  • Experience with generating aerodynamic databases for 6-DOF simulation

  • Experience in conducting 6-DOF stores trajectory and separation analyses

  • Experience with onsite support of wind tunnel testing and data acquisition systems

  • Experience in supporting ground and flight test events and analyzing collected data

  • Experience with DOD safety board processes for store separation

  • Fortran, C/C++ and/or Python programming skills

  • Demonstrated record of working hard, strong communication skills, and being accountable

Primary Level Salary Range: $98,400.00 - $171,000.00Secondary Level Salary Range: $122,800.00 - $213,400.00The above salary range represents a general guideline; however, Northrop Grumman considers a number of factors when determining base salary offers such as the scope and responsibilities of the position and the candidate's experience, education, skills and current market conditions.Depending on the position, employees may be eligible for overtime, shift differential, and a discretionary bonus in addition to base pay. Annual bonuses are designed to reward individual contributions as well as allow employees to share in company results. Employees in Vice President or Director positions may be eligible for Long Term Incentives. In addition, Northrop Grumman provides a variety of benefits including health insurance coverage, life and disability insurance, savings plan, Company paid holidays and paid time off (PTO) for vacation and/or personal business.The application period for the job is estimated to be 20 days from the job posting date. However, this timeline may be shortened or extended depending on business needs and the availability of qualified candidates.Northrop Grumman is an Equal Opportunity Employer, making 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. For our complete EEO and pay transparency statement, please visit http://www.northropgrumman.com/EEO. U.S. Citizenship is required for all positions with a government clearance and certain other restricted positions.

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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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