Northrop Grumman

Sr. Principal Optical Subsystem I&T Engineer

Northrop Grumman$135K — $202K *
Aerospace & Defense
Less than 5 years of experience
Job Overview by Ladders

Qualifications

  • Bachelor's degree in Optical Engineering, Physics, Electrical Engineering, Mechanical Engineering, or related discipline with 8 years of experience; or Master's degree with 6 years; or PhD with 4 years.
  • Active U.S. Government DoD Secret security clearance at application.
  • Experience with EO imaging systems, including optical design and testing.
  • Proven skills in maintaining and calibrating optical test equipment.
  • Proficiency with free-space alignment tools and complex hardware integration.
  • Familiarity with developing custom optical test equipment and procedures.
  • Knowledge of root cause and corrective action methodologies.

Responsibilities

  • Lead integration and testing of electro-optical subsystems for optimal performance.
  • Develop and review comprehensive test plans and procedures based on system requirements.
  • Oversee the integration of hardware, software, and firmware to ensure interoperability.
  • Execute and troubleshoot test procedures while analyzing data to ensure compliance with requirements.
  • Mentor junior engineers and facilitate their technical growth.
  • Champion root cause analysis and continuous improvement processes.
  • Prepare and present detailed test reports to stakeholders.

Benefits

  • Relocation assistance may be provided.
  • Health insurance coverage and life insurance.
  • Disability insurance, savings plan, and paid holidays.
  • Paid time off (PTO) for vacation and personal business.
Full Job Description
RELOCATION ASSISTANCE: Relocation assistance may be available

CLEARANCE REQUIRED FOR START: Yes

CLEARANCE TYPE: Secret

TRAVEL: Yes, 10% of the TimeDescription

Northrop Grumman Space Systems is looking for a Sr. Principal Optical Subsystem I&T Engineer to support the Electro-Optics (EO) Group within the Launch Vehicles business unit in Chandler, Arizona.

This is a key lead role in supporting the Seeker Integrated Product Team (IPT). The role will coordinate multi-disciplinary team efforts to integrate and test development/flight hardware, ensuring performance at the subassembly and seeker system level. Responsibilities include leading the integration and testing of hardware, characterizing and evaluating performance, developing the seeker test suite, maintaining and calibrating optical test equipment, and capturing representative data to support physics-based model development. The selected candidate should excel in a fast-paced environment with diverse assignments and collaborate effectively across all levels of the organization.

Responsibilities:
  • Lead multidisciplinary teams in the integration and testing of electro-optical subsystems, ensuring top-tier system performance at the subassembly and seeker system levels.
  • Develop, author, and review comprehensive test plans, procedures, and test cases based on detailed system requirements and design specifications.
  • Oversee the integration of hardware, software, and firmware, ensuring interoperability and adherence to project timelines and technical objectives.
  • Execute and troubleshoot complex test procedures, analyze data, and verify that systems and components meet or exceed performance and design requirements.
  • Mentor and guide junior engineers; facilitate team training and technical growth.
  • Champion root cause analysis and corrective action processes, driving continuous improvement, reliability, and quality.
  • Prepare, review, and present detailed test reports, summarizing observations, test configurations, and key results for program stakeholders.
  • Maintain and calibrate optical test equipment and environments, ensuring readiness and accuracy for all test activities.
  • Collaborate closely with systems engineers, design teams, and program management to ensure alignment of testing strategy with program milestones and customer expectations.
  • Ensure all testing activities comply with organizational, safety, and government standards.
  • Drive continuous technical learning, staying up to date on emerging optical engineering best practices, tools, and methodologies.


Basic Qualifications:
  • Bachelor's degree in Optical Engineering, Physics, Electrical Engineering, Mechanical Engineering, or related discipline from an accredited university and 8 years of relevant experience; or a Master's degree and 6 years of experience; or a PhD and 4 years of experience.
  • Active U.S. Government DoD Secret security clearance at the time of application.
  • Demonstrated experience with EO imaging systems (visible to LWIR), including optical design, alignment, and test.
  • Proven experience in maintaining and calibrating optical test equipment to ensure measurement accuracy and reliability in integration and test environments
  • Proficiency with free-space alignment tools (autocollimators, theodolites, laser systems, FTIR) and hands-on integration of complex hardware.
  • Familiarity with the development of custom optical test equipment and developing pathfinder procedures for the use of the equipment
  • Managing and maintaining optical laboratory spaces, including oversight of equipment, inventory, and safety protocols.
  • Skilled at implementing and enforcing laboratory best practices to maintain high standards of cleanliness and operational efficiency.
  • Practical knowledge of root cause and corrective action (RCCA) methodologies.
  • Ability to work independently with minimal supervision, as well as lead and motivate cross-disciplinary teams.
  • Strong analytical, organizational, and technical writing skills.


Preferred Qualifications:
  • MS or PhD in Optical Engineering, Physics, Electrical Engineering, Mechanical Engineering, or related discipline.
  • Extensive experience with missile systems, seeker systems, or high-reliability EO applications.
  • Familiarity with DoD missile defense programs and associated technical standards.
  • Expertise in EO system technologies including optical design, tolerancing, error budgets, opto-mechanics, and focal plane arrays.
  • Hands-on experience with radiometric measurements, use of spectroradiometers, cameras, and detectors.
  • Proficiency with optical design/analysis software (Zemax, Code V, FRED).
  • CAD experience (SolidWorks, NX, or Creo) for test fixture and experimental layout design.
  • Working knowledge of LabVIEW, MATLAB, Python, or similar data acquisition and analysis tools.
  • In-depth understanding of cleanroom environments, procedures, and contamination controls required for precision optical integration and testing.
  • Demonstrated leadership in technical project delivery and mentoring teams.


Primary Level Salary Range: $135,000.00 - $202,600.00

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.

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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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