# Principal / Sr Principal Flight-Critical Hardware Avionics… > Principal / Sr Principal Flight-Critical Hardware Avionics Engineer at Northrop Grumman in Coronado, California, United States. Category: Engineering Jobs.… Principal / Sr Principal Flight-Critical Hardware Avionics Engineer # Principal / Sr Principal Flight-Critical Hardware Avionics Engineer Northrop Grumman ## Job Description Description Northrop Grumman Aeronautics Systems has an opening for a Principal Flight-Critical Hardware Avionics Engineer (Level 3) or Senior Principal Flight-Critical Hardware Avionics Engineer (Level 4) to join our Air Vehicle Hardware Avionics team of qualified, diverse individuals. This role will be located in Rancho Bernardo (San Diego), CA. Note: This position requires regular presence at our Rancho Bernardo (San Diego) site, with a hybrid work schedule that includes both remote work and on-site lab work as needed to support business needs. The Hardware Avionics group is responsible for management of the Identification-Friend-Foe (IFF) and Traffic Alert and Collision Avoidance System (TCAS) subsystems. The selected individual will work independently and collaborate across multiple teams to deliver quality solutions for the IFF and TCAS systems. General duties include lab and flight testing, production and field support, anomaly resolution, and supplier management. The role is dynamic as members of the team handle a broad range of activities across multiple phases of the program to include development, production, and operational support. Key Responsibilities may include, but are not limited to: - Integrate IFF and TCAS hardware, accounting for hardware capabilities / limitations, defining interfaces, and addressing interoperability standards. - Conduct investigations, system testing, and flight testing in lab environments. - Provide remote and on-site troubleshooting for production and field issues. - Support proposal development and evaluation, technical planning, verification & validation, cost & risk analysis, and trade studies. - Ensure the logical and systematic conversion of customer or product requirements into total system solutions that balance technical, schedule, and cost constraints. We offer flexible work arrangements, including a 9/80 schedule, to support work-life balance. Employees benefit from excellent learning opportunities and work on impactful, cutting-edge projects. Our collaborative and friendly team environment encourages professional growth and innovation.Basic Qualifications: This requisition may be filled at a Principal Flight-Critical Hardware Avionics Engineer (Level 3) or Senior Principal Flight-Critical Hardware Avionics Engineer (Level 4) level based on the qualifications below. Principal Flight-Critical Hardware Avionics Engineer (Level 3) - Must have a Bachelor of Science degree in a STEM discipline AND 5 years of related professional/military experience, OR a Master's degree AND 3 years of related professional/military experience, OR a Ph.D. AND 1 year of related professional/military experience. - Must have the ability to obtain and maintain a US Government Secret clearance and Special Access Program (SAP) within a reasonable amount of time as determined by business needs. - Hands-on experience with lab test equipment. (such as oscilloscopes, signal generators, signal analyzers, or multimeters.) - Experience with software/hardware development, integration, test, verification, or troubleshooting. - Experience using engineering tools such as MATLAB and core Microsoft Office applications (such as Word, Excel, Project, Visio, etc.). Senior Principal Flight-Critical Hardware Avionics Engineer (Level 4) - Must have a Bachelor of Science degree in a STEM discipline AND 8 years of related professional/military experience, OR a Master's degree AND 6 years of related professional/military experience, OR a Ph.D. AND 4 years of related professional/military experience. - Must have the ability to obtain and maintain a US Government Secret clearance and Special Access Program (SAP) within a reasonable amount of time as determined by business needs. - Hands-on experience with lab test equipment. (such as oscilloscopes, signal generators, signal analyzers, or multimeters.) - Experience with software/hardware development, integration, test, verification, or troubleshooting. - Experience using engineering tools such as MATLAB and core Microsoft Office applications (such as Word, Excel, Project, Visio, etc.). Preferred Qualifications - Experience with IFF and/or TCAS transponders, including their operation, maintenance, integration, or design. - Active U.S Government Secret security clearance or higher - Comprehensive knowledge of IFF, including military and civilian modes and associated certifications - Comprehensive knowledge of TCAS, including Due Regard and airspace integration - High-level understanding of radio-frequency communication - Familiarity with interfaces and related protocols, such as MIL-STD-1553, RS-485, ARINC-429 - Experience performing system-level design/troubleshooting - Flight test, supplier management, requirements development and verification experience - Prior experience as a military, civil, or commercial avionics technician Advertisement Posted November 13, 2026 ## Related Jobs Senior Structural Engineer, Global Facilities Micron Technology Inc Senior Engineer Senior Engineer, Global Facilities - Architectural Micron Technology Inc Senior Engineer Applied Researcher 4 Capital One Full Time Tool Install Electrical and Controls Engineer Micron Technology Inc Engineer Project Manager- Boise Construction & Engineering Micron Technology Inc Manager Mechanical/Thermal Principal Design Engineer Micron Technology Inc Principal Engineer Staff Electromechanical Design Engineer Northrop Grumman Engineer Equipment Specification Senior Engineer Honda Dev. and Mfg. of Am.,LLC Senior Engineer ## Related Searches