{"id":3036248,"url":"https://alion.io/job/northrop-grumman-principal-sr-principal-engineer-electronics","title":"Principal / Sr Principal Engineer Electronics","company":{"id":12494,"name":"Northrop Grumman","domain":"northropgrumman.com","url":"https://alion.io/company/northropgrumman","size_band":"5000+","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Workday","truth_index":{"grade":"B","score":82,"open_postings":400,"ghost_share":0,"stale_share":0.698,"repost_share":0.008,"time_to_fill_p50_days":26,"computed_at":"2026-10-26T05:57:25Z"}},"role":"Hardware","role_family":"Hardware","seniority":"lead","employment_type":"full_time","work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Baltimore, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":{"min":108800,"max":163200,"currency":"USD","period":"year","gross":null,"usd_annual":163200},"salary_estimate":null,"experience_years_min":8,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"C++","optional":true},{"name":"Python","optional":true}],"status":"live","first_seen_at":"2026-10-21T21:27:04Z","employer_posted_date":"2026-10-21","last_verified_at":"2026-10-24T19:30:12Z","board_verified":true,"closed_at":null,"days_open":4,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":4},"description":"RELOCATION ASSISTANCE: Relocation assistance may be availableCLEARANCE REQUIRED FOR START: YesCLEARANCE TYPE: SecretTRAVEL: Yes, 10% of the TimeDescription\nAt 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.Description\nAt 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.\nNorthrop Grumman Mission Systems Manufacturing Operations Test Engineering Team in Baltimore, MD seeks a Digital & Power / RF Test Engineer - Level 3 or Level 4.\nThis career opportunity is a great fit for self-motivated, proactive individuals who want to assume ownership of the performance and delivery of Northrop Grumman's diverse suite of digital, RF and power hardware. Our engineers work in a high exposure, fast paced, and exciting environment that involves “hands on” technical challenges, problem solving, and inter-department collaborations. If you thrive on solving problems and want different challenges each day, please read on!\nRF / Digital Test Engineer - Level 3 or Level 4\nWe are seeking an experienced test engineer with strong foundations in digital electronics, power electronics, and RF to support production testing and troubleshooting of complex mixed-signal hardware. In this role, you will work on both transmit-side and receive-side assemblies in a manufacturing environment, combining automated test execution, hands-on bench debug, and data analysis to improve First Time Through Test Yield (FTTTY), Scrap, Rework, and Repair (SRR), performance, and reliability.\nThis position may be filled at either the Level 3 or Level 4 engineer level depending on the qualifications, experience, and demonstrated capabilities of the selected candidate.\nWhat You’ll Get to Do\nExecute and troubleshoot automated test procedures covering:DC power-on and current checks\nProgramming and JTAG / boundary-scan tests\nDigital bus and control interface tests\nRF gain, noise figure, and intermodulation measurements\nChannel isolation, BIT (built-in test) functions, and filter rejection\n\nPerform hands-on debugging using:Oscilloscopes to verify clocks, resets, and digital control signals\nSpectrum analyzers and power meters to measure RF power, spurious, harmonics, and phase noise\nVector network analyzers to measure magnitude and phase of rf signals.\nDMMs and other tools to validate supply rails, regulator outputs, and device health\n\nTroubleshoot end-to-end RF and IF chains using schematics and block diagrams:Identify issues in filters, amplifiers, switches, mixers, attenuators, and protection devices\nCompare measured performance against test specifications and limits\nTrack down excessive insertion loss, gain errors, or unexpected spurious responses\n\nWork with digital and embedded aspects of the design:Support JTAG-based programming and device verification\nVerify that control buses, configuration registers, and BIT indicators behave as expected\n\nApply structured troubleshooting methods:Use golden/reference units, A/B comparisons, and systematic measurements to isolate suspect hardware\nPerform targeted component swaps and select-in-test (SIT) adjustments to bring units within specification\nDocument findings, QNs, and corrective actions clearly and consistently\n\nCollaborate closely with design engineering, manufacturing engineering, and test technicians:Provide data-driven input on failure trends and root cause\nHelp refine test limits, procedures, and troubleshooting flows\nMentor technicians in interpreting automated test results and performing safe, effective bench debug\n\nThe successful candidate will be comfortable moving between digital, power, and RF problems; can read and reason from detailed schematics and block diagrams; and is disciplined about data, documentation, and communication.\nBasic Qualifications - Level 3\nBachelor’s degree in Electrical Engineering or related STEM field and a minimum of 5 years of relevant experience; or Master’s degree in Electrical Engineering or related STEM field and a minimum of 3 years of relevant experience\nExperience in a lab or production environment with:Oscilloscopes, spectrum analyzers, power meters, vector network analyzers, signal generators, and DC power supplies\nDebugging and characterizing mixed-signal or RF hardware (board or module level)\n\nExperience reading and use of schematics and block diagrams to localize hardware failures.\nExperience executing and debugging automated test procedures (e.g., power-on, functional, RF performance, and BIT tests).\nExperience with basic RF concepts (gain, noise figure, spurious, harmonics, filters) and analog/digital circuitry.\nA current/active DoD Secret Security Clearance.\nU.S. citizenship.\nBasic Qualifications - Level 4\nBachelor’s degree in Electrical Engineering or related STEM field and a minimum of 8 years of relevant experience; or Master’s degree in Electrical Engineering or related STEM field and a minimum of 6 years of relevant experience\nExperience in a lab or production environment with:Oscilloscopes, spectrum analyzers, power meters, vector network analyzers, signal generators, and DC power supplies\nDebugging and characterizing mixed-signal or RF hardware (board or module level)\n\nExperience reading and use of schematics and block diagrams to localize hardware failures.\nExperience executing and debugging automated test procedures (e.g., power-on, functional, RF performance, and BIT tests).\nExperience with basic RF concepts (gain, noise figure, spurious, harmonics, filters) and analog/digital circuitry.\nA current/active DoD Secret Security Clearance.\nU.S. citizenship.\n\nPreferred Qualifications (applies to both Level 3 and Level 4)\nExperience with automated test equipment (ATE) platforms and test automation software.\nExperience troubleshooting RF front ends or transceiver chains (filters, LNAs, mixers, attenuators, switch matrices, etc.).\nExperience with JTAG/boundary-scan tools and digital interfaces (e.g., SPI, I²C, LVDS, or similar).\nExperience with built-in test (BIT) concepts and designing or maintaining production test limits.\nExperience with LabWindows/CVI, C/C++, Python, or similar languages for automated test development.\nExperience with minimal direction, manage multiple units/tests in parallel, and communicate technical findings to cross-functional teams.\n#MFGCMPP\nPrimary Level Salary Range: $108,800.00 - $163,200.00Secondary Level Salary Range: $135,800.00 - $203,600.00The 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. 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