Principal Engineer Mechanical (AHT)

Posted 11 Days Ago
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Aurora, CO, USA
In-Office
104K-155K Annually
Senior level
Aerospace • Logistics • Security • Software • Cybersecurity
The Role
Designs, models, and updates mechanical systems using CAD tools; creates bills of material, engineering drawings, tolerances, and requirements. Collaborates with systems, electrical, manufacturing, and supply-chain teams to ensure manufacturability and integration. Participates in design reviews, configuration control, troubleshooting, build, integration, and testing activities. Maintains CAD documentation and supports mechanical issue resolution in an aerospace and defense environment.
Summary Generated by Built In
RELOCATION ASSISTANCE: Relocation assistance may be available

CLEARANCE REQUIRED FOR START: Yes

CLEARANCE TYPE: Top Secret

TRAVEL: NoDescription

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. Our employees are not only part of history, they're making history.


Northrop Grumman's Space Systems Sector is seeking a Principal Engineer Mechanical for its Aurora, Colorado work location.


Key Responsibilities

  • Develop, model, and update mechanical designs using CAD tools.
  • Create, manage, and maintain accurate Bills of Material (BOM) for parts, subassemblies, and top-level assemblies.
  • Support requirements development by:
  • Reviewing system and subsystem requirements for mechanical impact.
  • Deriving and refining mechanical requirements.
  • Ensuring mechanical designs comply with allocated requirements.
  • Create and release detailed engineering drawings, including dimensions, tolerances, notes, and callouts, in accordance with applicable standards.
  • Collaborate with multidisciplinary teams (systems, electrical, manufacturing, supply chain) to ensure design intent, manufacturability, and integration.
  • Participate in design reviews, drawing checks, and configuration control activities.
  • Support troubleshooting and resolution of mechanical issues during build, integration, and test.
  • Document work products in accordance with company procedures and support configuration management of CAD models and drawings.

Basic Qualifications

  • Bachelor’s degree in Mechanical Engineering or related engineering discipline and 5 years of experience, or Masters degree and 3 years of experience. 4 additional years required in lieu of a degree.
  • Experience with mechanical design and modeling using CAD software (e.g., Creo, NX, SolidWorks, CATIA).
  • Experience creating and maintaining BOMs for mechanical assemblies.
  • Experience generating and updating engineering drawings, including GD&T and tolerance practices.
  • Strong communication and collaboration skills, with the ability to work in cross-functional teams.
  • Must have an active U.S. Government Top Secret security clearance at time of application, current and within scope, with the ability to obtain and maintain SCI approval/access.

 

Preferred Qualifications

  • Experience in an aerospace, defense, or other highly regulated engineering environment.
  • Familiarity with configuration management practices for CAD models and drawings.
  • Experience working to relevant standards (e.g., ASME Y14 series).
  • Exposure to requirements management tools and model-based engineering practices.
  • Hands-on experience supporting prototype builds, testing, or production transition.

Primary Level Salary Range: $103,600.00 - $155,400.00

The 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.

Skills Required

  • Bachelor’s degree in Mechanical Engineering or a related engineering discipline and 5 years of experience
  • Master’s degree in Mechanical Engineering or a related engineering discipline and 3 years of experience, as an alternative to a bachelor’s degree
  • Four additional years of experience in lieu of a degree
  • Experience with mechanical design and modeling using CAD software such as Creo, NX, SolidWorks, or CATIA
  • Experience creating and maintaining bills of material for mechanical assemblies
  • Experience generating and updating engineering drawings, including GD&T and tolerance practices
  • Strong communication and collaboration skills in cross-functional teams
  • Active U.S. Government Top Secret security clearance at application, current and within scope
  • Ability to obtain and maintain SCI approval or access
  • Experience in aerospace, defense, or another highly regulated engineering environment
  • Familiarity with configuration management practices for CAD models and drawings
  • Experience working with relevant standards such as the ASME Y14 series
  • Exposure to requirements management tools and model-based engineering practices
  • Hands-on experience supporting prototype builds, testing, or production transition

Northrop Grumman Compensation & Benefits Highlights

The following summarizes recurring compensation and benefits themes identified from responses generated by popular LLMs to common candidate questions about Northrop Grumman and has not been reviewed or approved by Northrop Grumman.

  • Healthcare Strength — Health coverage offers multiple medical plan options by region alongside dental, vision, mental‑health resources, and wellness programs. Recent materials also highlight added family‑building support, including a dedicated fertility benefit.
  • Retirement Support — The 401(k) savings plan is positioned as competitive with a company match, auto‑escalation features, and access to an employee stock fund/ESPP. Official filings and benefits guides emphasize retirement as a core element of the Total Rewards package.
  • Leave & Time Off Breadth — Many sites offer a 9/80 schedule, generous PTO, paid holidays, and flexible/telework options where program needs allow. Paid parental and caregiver leave are prominently featured, with recent enhancements for the delivering parent.

Northrop Grumman Insights

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The Company
HQ: Charlotte, North Carolina
85,636 Employees

What We Do

We are a close-knit community of big thinkers collaborating to keep the world safe. Our passion, creativity and expertise bring next-level technology solutions to life in autonomous systems, cyber, C4ISR, strike, space, and logistics and modernization for our customers around the globe. On the Northrop Grumman team, you’ll join our pursuit of excellence immersed in a dynamic culture of innovation and respect. Your unique perspective will help achieve our shared vision for the future of global security. Every step of the way, you'll be supported by world-class training, employee resource groups and a comprehensive benefits package that enables greater health and happiness for you and your family. Worldwide and across disciplines, we’re challenging what’s possible for technology to protect people and places from undersea to outer space and into cyberspace. And we see the impact of our performance every day. We are Northrop Grumman, and we work on what matters—now, you too can make a difference. Explore opportunities in engineering, IT, manufacturing, business management, cybersecurity and more with us. Northrop Grumman is committed to hiring and retaining a diverse workforce. We are proud to be an Equal Opportunity/Affirmative Action Employer.

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