Northrop Grumman

Sr. Principal Systems Engineer - Technical Lead

Northrop Grumman$122K — $184K *
Mesa, AZ 85204In-Person
Aerospace & Defense
5 - 7 years of experience
Job Overview by Ladders

Qualifications

  • Bachelor's or Master's degree in Electrical, Systems, Mechanical, Computer, or Aerospace Engineering
  • 8+ years of relevant engineering experience for Bachelor's or 6+ years for Master's
  • U.S. Citizenship and eligibility for DoD Secret Clearance
  • Ability to pass clearances from Alcohol, Tobacco, and Firearms as Employee Possessor
  • Proficiency with requirements database tool - DOORS is preferred.

Responsibilities

  • Define and decompose system requirements for actionable work packages
  • Create and maintain comprehensive technical specifications and performance charts
  • Define system architecture and manage interface control documents
  • Manage configuration items and change-control processes
  • Serve as primary technical interface for customers and stakeholders
  • Perform trade-studies to guide architecture and risk management decisions
  • Lead end-to-end system development and ensure compliance with targets

Benefits

  • Relocation assistance may be available
  • Health insurance coverage, life and disability insurance, and savings plans
  • Company-paid holidays and paid time off (PTO)
  • Potential eligibility for overtime, shift differential, and discretionary bonuses
  • Annual bonuses and Long Term Incentives for higher positions.
Full Job Description
RELOCATION ASSISTANCE: Relocation assistance may be available

CLEARANCE REQUIRED FOR START: No

CLEARANCE TYPE: None

TRAVEL: Yes, 10% of the TimeDescription

Northrop Grumman is seeking an experienced Sr. Principal (Level 4) Systems Engineer - Technical lead to support our Armament Systems business site in Mesa, AZ.

About the Role:
This unique career opportunity is crafted for an individual who excels in systems leadership. In this role, you will serve as the technical lead for our product lines, owning the entire system's lifecycle from requirements definition and system design to hardware integration, testing, and safety analysis. You will be responsible for ensuring that our medium caliber gun systems meet rigorous performance, reliability, and safety standards while interfacing with customers, stakeholders, and cross-functional teams.

Systems Leadership & Technical Ownership Responsibilities:
  • Defined & Decomposed Requirements - Demonstrated ability to partner with leadership, program management, and stakeholders to capture, prioritize, and break down system/stakeholder requirements into clear, actionable work packages.
  • System Design Documentation - Proven experience creating and maintaining technical specifications, interface diagrams, and performance charts to guide product development.
  • System Architecture & Interface Control - Proven experience defining the physical architecture (subsystems, assemblies, components) and creating/maintaining Interface Control Documents to ensure clear, traceable hand-offs between teams.
  • Configuration Management & Baseline Control - Hands-on management of baseline configuration items, version-control processes, and change-control boards to guarantee that the approved design baseline is protected during development.
  • Customer-Facing Technical Interface - Track record of translating external customer needs into complete system solutions, delivering detailed technical briefings, and acting as the single point of contact for all technical queries.
  • Trade-Study Execution & Risk Evaluation - Performed quantitative cost-benefit, risk, and multi-criteria trade-study analyses, delivering risk matrices, mitigation plans, and reports that shaped architecture and allocation decisions.
  • Full-Lifecycle System Development - Led end-to-end development from concept definition and preliminary design through integration, test, verification, and validation, ensuring schedule and quality targets were met.
  • Verification & Validation Planning - Developed comprehensive verification plans, test concepts of operation, and validation strategies aligned with system requirements, laying the groundwork for formal testing.
  • Requirements Traceability Management - Implemented and maintained end-to-end requirements traceability matrices linking stakeholder needs through design, verification, and validation artifacts.
  • Hands-On Test & Integration - Proven record of performing system-level testing, hardware/software integration, troubleshooting, and driving root-cause analysis to implement corrective actions.
  • Reliability & Maintainability Optimization - Worked directly with product teams to improve reliability, maintainability, and overall system performance using reliability-centered design techniques.
  • Process & Innovation Leadership - Led continuous-improvement initiatives within the engineering organization, delivering measurable gains in cycle time, defect reduction, or cost savings.
  • Technical Communication - Prepared and presented high-impact technical reports, proposals, and data packages for internal reviews, program baselines, and client briefings, translating complex engineering data into clear business value.
  • Design Review Leadership - Led and facilitated formal Preliminary Design Reviews (PDR) and Critical Design Reviews (CDR), documenting decisions, capturing action items, and ensuring compliance with program schedules and standards.


Sr. Principal Systems Engineer Basic Qualifications:
  • Bachelor's degree in Electrical, Systems, Mechanical Computer, or Aerospace Engineering with 8 or more years of relevant engineering experience; OR a Master's degree in any of the above engineering disciplines with 6 or more years of relevant engineering experience.
  • U.S. Citizenship and eligibility to obtain a DoD Secret Clearance if necessary.
  • Ability to obtain clearance from the Bureau of Alcohol, Tobacco, and Firearms and Explosives as an Employee Possessor.


Preferred Qualifications:
  • Master's degree that aligns with Electrical, Systems, or Computer Engineering.
  • Proven ability as a fast learner with a strong interest in hardware integration.
  • Have a willingness to learn mindset from mentors, peers, and others.
  • Experience in the sustainment of complex aerospace or defense systems.
  • Proficiency with requirements database tool - DOORS.
  • Works well in a small team environment.
  • Ideal background would align with controls and controllers.
  • A minimum of 5+ years of system design experience.
  • Ensure that teammates succeed in delivering what's most important for the team.
  • Strong technical problem solving, written, and verbal communication skills.
  • Strong resolve to drive tasks to completion autonomously.


If you are driven by solving complex technical challenges and leading innovative systems solutions in a dynamic environment, we invite you to apply and join our mission-critical team.

Primary Level Salary Range: $122,800.00 - $184,200.00

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.

About Northrop Grumman

Northrop Grumman is a security company that provides systems, products, and solutions in aerospace, electronics, information systems, shipbuilding, and technical services to government and commercial customers. They design, develop, and build everything from aircraft and spacecraft to cyber security systems. The company is involved in a wide range of defense and technology projects, including the development of aircraft, space systems, cybersecurity solutions, and advanced electronics.

Northrop Grumman Careers

Join the elite team at Northrop Grumman, a leading global security company providing innovative systems, products, and solutions in autonomous systems, cyber, C4ISR, space, strike, and logistics and modernization to customers worldwide. There has never been a more exciting time to advance your career with Northrop Grumman.

Work You’ll Do

At Northrop Grumman, your work will redefine the edges of technology and create a safer future. Our culture thrives on intellectual curiosity, cognitive diversity, and bringing your whole self to work. Our team is at the forefront of innovation, collaborating to make the impossible, possible.

Explore Job Opportunities and Growth

Whether you’re looking for an internship, an entry-level position, or a spot for seasoned professionals, Northrop Grumman offers a variety of career paths that encourage growth and development. Explore job opportunities that elevate your skills, and push your career to the next level.

Join Our Diverse and Inclusive Team

Diversity and inclusion are the foundations of our culture. Northrop Grumman is committed to building a diverse team that fosters an inclusive environment, where every team member is valued for their unique perspectives and contributions. We believe that diversity fuels innovation.

Professional Development and Benefits

Northrop Grumman is dedicated to your professional and personal growth. We offer unparalleled benefits, including comprehensive health coverage, generous time off, and family care resources. Additionally, we provide extensive leadership and diversity training to help you craft your career path.

Networking and Leadership

Enhance your career through our robust networking opportunities. Connect with leaders and peers within Northrop Grumman through various events, mentorship programs, and professional groups. Our leadership is deeply invested in nurturing talent and guiding team members through their career journey.

Innovation in Technology

Drive technological breakthroughs with a company at the cutting edge of innovation. Northrop Grumman is a place where you can work on projects that push the boundaries of what is possible.

How to Apply

Ready to join our team? Check out the open positions on our Careers page. Tailor your resume to highlight your relevant skills and experiences. Prepare for your interview with us by researching our projects and understanding our company’s mission and values.

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Northrop Grumman Jobs

Discover the impact you can make with a career at Northrop Grumman. We are actively hiring and looking for passionate, curious, and solution-driven team players. Search Northrop Grumman jobs today and find where your expertise is needed most. Join Northrop Grumman, and be part of a team that is dedicated to making a difference, not only within the company but in the world at large. Your journey to building a rewarding career starts here.
Learn more about Northrop Grumman
Size
88,000 employees
Market Cap
$82.7 billion
Industry
Net Income
$3.1 billion
Founded
1939
5 Year Trend
+7.6%
Revenue
$36.7 billion
NASDAQ

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