Northrop Grumman

Principal/Sr Principal Engineer Systems - Radiometric

Northrop Grumman$114K — $171K *
Azusa, CA 91702In-Person
Aerospace & Defense
5 - 7 years of experience
Job Overview by Ladders

Qualifications

  • B.S. in a relevant field with 5+ years of experience or M.S. with 3+ years, or PhD with 1+ year of experience.
  • 3-5 years of radiometric analysis experience for imaging or hyperspectral sensors.
  • Proficiency in MATLAB or Python for data analysis and modeling.
  • Familiarity with optical design tools like Zemax, FRED, or Code V.
  • Strong understanding of detector physics and calibration methods.
  • Clearance eligibility for Secret.
  • Strong written and verbal communication skills.

Responsibilities

  • Develop and maintain EO/IR radiometric budgets and models.
  • Conduct signal-to-noise ratio and calibration analyses using specialized software.
  • Interface with hardware teams for detector and optics specifications.
  • Support trade-off studies for sensor design options.
  • Participate in calibration planning and post-test analysis.
  • Provide technical input for project scheduling and risk assessment.
  • Prepare reports and presentations for stakeholders.

Benefits

  • Relocation assistance may be available.
  • Opportunities for professional development and mentorship.
  • Health insurance coverage including life and disability insurance.
  • Generous paid time off including holidays and vacation days.
  • Participation in annual bonus programs based on contributions and company performance.
  • Potential for overtime compensation and shift differentials.
Full Job Description
RELOCATION ASSISTANCE: Relocation assistance may be available

CLEARANCE REQUIRED FOR START: Yes

CLEARANCE TYPE: Secret

TRAVEL: Yes, 10% of the TimeDescription

Responsibilities

  • Develop and maintain Electro Optical Infrared (EO/IR) radiometric budgets, error‑budget models, and performance trade studies.
  • Conduct end‑to‑end signal‑to‑noise‑ratio (SNR), radiometric resolution, and calibration analyses using tools such as MATLAB, Python, and/or specialized radiometric simulation software.
  • Interface with hardware teams to define detector characteristics, optics throughput, and on‑board processing requirements.
  • Support trade‑off studies for detector selection, optics designs, and data‑rate constraints.
  • Participate in calibration and test planning, execution, and post‑test data analysis for laboratory, ground‑support, and flight‑test campaigns.
  • Provide technical input for program schedules, risk assessments, and cost estimates.
  • Prepare technical reports, presentations, and briefings for internal and external stakeholders.
  • Mentor junior engineers and contribute to knowledge‑sharing initiatives within the EO/IR Radiometric Engineering community.

Basic Qualifications - Level 3

  • B.S. with a minimum of 5 years of experience, M.S. with a minimum of 3 years of experience, or PhD a minimum of with 1 year of experience in Electrical Engineering Applied Physics, Optical Engineering, or related field.
  • 3–5 years of engineering experience with radiometric analysis for imaging or hyperspectral sensors.
  • Proficiency in MATLAB or Python for data analysis and modeling.
  • Familiarity with optical design tools (e.g., Zemax, FRED, Code V).
  • Understanding of detector physics, noise sources, point source characterization, and calibration methods.
  • Ability to obtain and maintain a Secret clearance.
  • Communication
  • Strong written and oral communication skills; ability to produce clear technical documentation.

Basic Qualifications - Level 4

  • B.S. with a minimum of 8 years of experience, M.S. with a minimum of 6 years of experience, or PhD a minimum of with 4 years of experience in Electrical Engineering, Applied Physics, Optical Engineering, or related field (M.S. preferred).
  • 7–10 years of relevant engineering experience with radiometric performance of complex sensor systems, including at least 3 years in a senior or lead role.
  • Advanced expertise in radiometric modeling, simulation, and data‑fusion techniques.
  • Proficient programming in MATLAB, Python, and C/C++ for algorithm development.
  • Demonstrated ability to lead cross‑functional technical teams.
  • Security
  • Ability to obtain and maintain a Top‑Secret clearance.
  • Leadership
  • Proven track record of technical mentorship, project leadership, and stakeholder engagement.

Preferred Qualifications

  • Active DoD Secret level or Top Secret Level Clearance
  • Direct experience with space‑qualified remote sensing mission payloads.
  • Hands‑on experience with radiometric test equipment
  • Experience using statistical analysis methods (Monte‑Carlo, Bayesian inference) for error budgeting.
  • Prior involvement in US Government program reviews (e.g., PDR, CDR, IRAD).
  • Experience with interfacing radiometric modeling and simulation, and requirements management into Model Based Systems Engineering workflows
  • Experience with infrared image processing in embedded systems (FPGA, GPU)
  • Published technical papers or patents in radiometry, sensor calibration, or related fields.
  • Experience leading system‑level performance trade studies for multi‑spectral or hyperspectral missions.
  • Direct involvement with on‑orbit calibration strategies and post‑launch performance validation.
  • Familiarity with model‑based system engineering (MBSE) tools (e.g., SysML, Cameo).
  • Experience interfacing with US government customers and supporting acquisition processes (e.g., FAR, DFARS, EVM).
  • Strong network within the radiometric and remote‑sensing community (conference participation, standards committees).

Primary Level Salary Range: $114,000.00 - $171,000.00

Secondary Level Salary Range: $142,200.00 - $213,400.00

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.

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.

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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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