Principal / Sr Principal Computer Aided Design and Modeling Engineer

Posted 3 Days Ago
Be an Early Applicant
Colorado Springs, CO, USA
In-Office
94K-176K Annually
Senior level
Aerospace • Logistics • Security • Software • Cybersecurity
The Role
Develops and maintains engineering drawings, CAD models, specifications, and as-built documentation for radar systems. Reviews layouts for accuracy, standards compliance, and completeness; identifies design deficiencies; supports configuration baselines and production lifecycle management. Requires mechanical design, GD&T, CAD, illustration, product data management, and engineering documentation experience. The role requires an active Top Secret clearance with SCI eligibility and travel up to 25%.
Summary Generated by Built In
RELOCATION ASSISTANCE: No relocation assistance available

CLEARANCE REQUIRED FOR START: Yes

CLEARANCE TYPE: Top Secret

TRAVEL: Yes, 25% of the TimeDescription

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 Space Systems is seeking a Principal / Sr Principal Computer Aided Design and Modeling Engineer to join our diverse and talented engineering organization in Colorado Springs, CO in support of our National Defense as part of our radar system development programs. Join an exciting and diverse organization as we embark on solving complex and novel engineering challenges. As the CAD/CAM engineer you will support the technical engineering drawing and drafting team to develop and maintain the radar systems configuration baseline and support technical data. The successful candidate should be detailed oriented, be able to work collaboratively with multi-disciplined teams, and have a proven track record of accurately documenting and maintaining a configuration baseline. 

In this job, you will:

  • Create and maintain engineering drawings, specifications, and as-built documentation

  • Check completed layouts and drawings for clarity, completeness, conformity to standards, procedures, specifications, and accuracy of calculations and dimensioning

  • Identify design errors, omissions, and other deficiencies, and recommend revisions and/or improvements in design layout to responsible engineers or designers.

  • Support the overall Production Lifecycle Management System

  • Other duties as assigned

This position can be staffed at the Principal or Sr Principal level based on the basic qualifications below.

Basic Qualifications:

  • Principal: 5 Years with bachelor’s in science; 3 Years with Masters; 1 Year with PhD

  • Sr Principal: 8 Years with bachelor’s in science; 6 Years with Masters; 4 Years with PhD

  • 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.

  • Ability to travel up to 25%

  • Experience with 3D CAD modeling software packages, including NX, Creo, and/or SolidWorks

  • Experience with the generation and creation of engineering drawings compliant with ASME standards

  • Experience with Illustration Software packages, including Adobe Illustrator, CorelDRAW, and Adobe Fresco

  • Experience with Indentured part list generation and drawing tree levels of indenture

  • Experience with establishment and maintaining system configuration baseline

  • Understanding of mechanical design principles, analysis, and geometric dimensioning and tolerancing.

  • Experience with production lifecycle management systems to manage product and CAD data such as Siemens Teamcenter, Windchill, Enovia, or ARAS

  • Excellent written and oral communication skills

  • Excellent time management and organizational skills

  • Able to focus on the micro and macro details of a complex system of systems

Preferred Qualifications:  

  • Bachelors STEM degree

  • Experience with Siemens Teamcenter for managing products and CAD data

  • Experience working to conclusion design drawings and specifications across the entire product development life cycle

  • Experience/knowledge working design verification and verification reporting

  • Experience designing and modeling mechanical hardware interfaces (such as mounting bracketry)

  • Experience with cable management and cable assembly requirements for RF and fiber optic applications

  • Experience with integrated electrical systems setup, testing and issue resolution

  • Knowledge of test design and execution

  • Work experience in a government contracting environment

  • Experience in USAF/DoD radar systems

  • Experience with utilizing Artificial Intelligence (AI) drafting assistants to generate 3D models from text prompts

  • Experience with USAF Technical Orders

  • Experience with AGILE, SCRUM, & DevOps

Primary Level Salary Range: $94,200.00 - $141,200.00Secondary Level Salary Range: $117,500.00 - $176,300.00

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

  • Principal: 5 years of experience with a bachelor's degree in science, 3 years with a master's degree, or 1 year with a PhD
  • Sr Principal: 8 years of experience with a bachelor's degree in science, 6 years with a master's degree, or 4 years with a PhD
  • Active U.S. Government Top Secret security clearance, current and within scope, with ability to obtain and maintain SCI access
  • Ability to travel up to 25%
  • Experience with 3D CAD modeling software, including NX, Creo, and/or SolidWorks
  • Experience creating engineering drawings compliant with ASME standards
  • Experience with illustration software, including Adobe Illustrator, CorelDRAW, and Adobe Fresco
  • Experience generating indentured parts lists and drawing tree levels of indenture
  • Experience establishing and maintaining system configuration baselines
  • Understanding of mechanical design principles, analysis, and geometric dimensioning and tolerancing
  • Experience with product lifecycle management systems such as Siemens Teamcenter, Windchill, Enovia, or ARAS
  • Excellent written and oral communication skills
  • Excellent time management and organizational skills
  • Ability to focus on detailed aspects of complex systems of systems
  • Bachelor's degree in a STEM field
  • Experience with Siemens Teamcenter for product and CAD data management
  • Experience completing design drawings and specifications throughout the product development lifecycle
  • Experience with design verification and verification reporting
  • Experience designing and modeling mechanical hardware interfaces
  • Experience with cable management and cable assembly requirements for RF and fiber optic applications
  • Experience with integrated electrical systems setup, testing, and issue resolution
  • Knowledge of test design and execution
  • Experience in a government contracting environment
  • Experience with USAF or DoD radar systems
  • Experience using AI drafting assistants to generate 3D models from text prompts
  • Experience with USAF Technical Orders
  • Experience with Agile, Scrum, and DevOps

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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