Systems Engineer / Principal Systems Engineer

Posted 5 Days Ago
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Woodland Hills, Los Angeles, CA, USA
In-Office
92K-171K Annually
Senior level
Aerospace • Logistics • Security • Software • Cybersecurity
The Role
Develop and maintain model-based systems engineering architectures, diagrams, profiles, queries, and configuration-controlled models across the system lifecycle. Collaborate with software, engineering, program management, and government teams to capture requirements, analyze system performance, support Agile development, and deliver recommendations. The role requires onsite work, U.S. citizenship, and an active Top Secret clearance, with preferred experience in DoDAF, CAMEO, SysML, C++, and Python.
Summary Generated by Built In
RELOCATION ASSISTANCE: Relocation assistance may be available

CLEARANCE REQUIRED FOR START: Yes

CLEARANCE TYPE: Top Secret

TRAVEL: Yes, 10% 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.

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 Mission Systems is a trusted provider of mission-enabling solutions for global security.  Our Engineering and Sciences (E&S) organization pushes the boundaries of innovation, redefines engineering capabilities, and drives advances in various sciences. Our team is chartered with providing the skills, innovative technologies to develop, design, produce and sustain optimized product lines across the sector while providing a decisive advantage to the warfighter. Come be a part of our mission!

We are looking for you to join our team as a Systems Engineer or Principal Systems Engineer based out of Woodland Hills, CA. In this role, you will have a challenging and rewarding opportunity to be a part of our Enterprise-wide digital transformation. Through the use of Model-based Engineering to model systems and processes, in addition to DevSecOps and Agile practices, we continue to evolve how we deliver critical national defense products and capabilities for the warfighter.  Our success is grounded in our ability to embrace change, move quickly and continuously drive innovation.  The successful candidate will be collaborative, open, transparent, and team-oriented with a focus on team empowerment & shared responsibility, flexibility, continuous learning, and a culture of innovation.

For this role, responsibilities include but are not limited to the following:

•     Develop model profiles, system diagrams, architecture frameworks, and model queries in the MBSE tools that capture and analyze systems throughout their lifecycle from concept definition through integration.

  • Work closely with Software Leads to understand program intent, system capabilities, and output requirements
  • Integrate and collaborate with multi-disciplinary technical teams to transform requirements and technical information into MBSE tools for analysis and decision-making.
  • Provide recommendations derived from analysis results to optimize system performance and ensure compliance with requirements through formal presentations to technical leads and reports.
  • Support the development of architecture models
  • Perform model configuration management
  • Interface with cross-functional teams including technical leads, product owners, program management, and government customers to ensure that high-quality products are generated on time and within the available resources
  • Be actively involved in the efforts associated with Agile development, including iteration planning and status

This requisition may be filled at a higher grade based on qualifications listed below

This requisition may be filled at either a Level 2 or a Principal Level. 

Basic Qualifications for a Systems Engineer:

  • Bachelor's degree in a STEM discipline with 2+ years of relative experience; Master's degree in a STEM discipline with 0+ years of relative experience
  • US Citizenship is required
  • Active US Government Top Secret security clearance
  • Ability to meet customer-specific security screening requirements within a timeframe set forth by management
  • Willingness and ability to work onsite full-time
  • Demonstrated ability to create flexible, robust models of complex systems that can be adapted and iterated upon to satisfy and provide traceability of evolving requirements
  • Demonstrated experience in common Systems Engineering functions (e.g., requirements capture and management, system diagram and goal definition and updates, etc.)
  • Working knowledge of MBSE standards to guide model development

Basic Qualifications for a Principal Systems Engineer:

  • 5 years of Engineering experience with a Bachelors of Science in a STEM discipline; 3 years of Engineering experience with Masters; 1 Year with a PhD
  • US Citizenship is required
  • Active US Government Top Secret security clearance
  • Ability to meet customer-specific security screening requirements within a timeframe set forth by management
  • Willingness and ability to work onsite full-time
  • Demonstrated ability to create flexible, robust models of complex systems that can be adapted and iterated upon to satisfy and provide traceability of evolving requirements
  • Demonstrated experience in common Systems Engineering functions (e.g., requirements capture and management, system diagram and goal definition and updates, etc.)
  • Working knowledge of MBSE standards to guide model development

Preferred Qualifications:

  • Experience developing models using the DoD Architecture Framework (DoDAF 2.0) modeling framework within the CAMEO development environment
  • Custom plug-ins and other modeling tool customizations are preferred
  • Must have a solid understanding of general systems engineering practices and tools
  • Demonstrated proficiency with systems modeling languages (SysML) or other industry-specific modeling languages
  • Demonstrated ability to communicate cross-functionally and interpret information across multiple engineering disciplines and operations
  • Ability to quickly self-learn relevant subject matter from a variety of new disciplines
  • Demonstrated excellent written and oral communication skills
  • Experience developing software using C++ and Python

This position is contingent upon the successful transfer of an active DoD Top Secret Clearance and the ability to meet customer-specific security screening requirements within a timeframe set forth by management.


Primary Level Salary Range: $91,800.00 - $137,600.00Secondary Level Salary Range: $114,000.00 - $171,000.00

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 a STEM discipline with 2 or more years of relevant experience, or a master's degree in a STEM discipline with no required experience for the Systems Engineer level
  • Five years of engineering experience with a bachelor's degree, three years with a master's degree, or one year with a PhD for the Principal Systems Engineer level
  • U.S. citizenship
  • Active U.S. Government Top Secret security clearance
  • Ability to meet customer-specific security screening requirements
  • Willingness and ability to work onsite full-time
  • Experience creating flexible, robust models of complex systems with traceability to evolving requirements
  • Experience with common systems engineering functions, including requirements capture and management, system diagrams, and goal definition
  • Working knowledge of MBSE standards
  • Experience developing models using the DoD Architecture Framework (DoDAF 2.0) within the CAMEO development environment
  • Experience with custom plug-ins and modeling tool customizations
  • Understanding of general systems engineering practices and tools
  • Proficiency with SysML or other industry-specific modeling languages
  • Ability to communicate cross-functionally across engineering disciplines and operations
  • Ability to quickly learn relevant subject matter from new disciplines
  • Excellent written and oral communication skills
  • Experience developing software using C++ and Python

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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