Sentinel Principal​/Sr Principal Field Engineer

Principal / Sr Principal Field Engineers

At 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.

Northrop Grumman Defense Systems is seeking Principal / Sr Principal Field Engineers. This position is in Promontory, UT and supports the Sentinel program.

The Field Engineer Level 3/4 supports Sentinel AVE Integration and Test by planning, leading, and executing field integration and test activities at ranges and customer sites. This role blends hands-on equipment/vehicle operations (installation, troubleshooting, maintenance, modification, transport, and stage-handling support) with engineering leadership including procedure development, test planning, acting as Test Conductor, and verification/validation of system performance.

Key Responsibilities

• Create, update, and enforce SOPs, work instructions, and tool/FOD control programs.
• Plan, schedule, and track calibration and maintenance for test support equipment; keep calibration records and certificates.
• Develop and deliver facility and equipment training; manage contractor/visitor onboarding and site access.
• Implement hazmat handling, storage, manifesting, and disposal procedures.
• Support equipment receipt, inspections, move in, and disposition; perform operational readiness and proof load tests.
• Coordinate TSE changes with stakeholders and manage SCCB approval processes.
• Support facility fit out and accreditation: install and verify test benches, interfaces, data acquisition, utilities, and safety systems.
• Coordinate with safety, test directors, engineers, and customers to ensure safe, compliant test events.
• Install, configure, upgrade, remove, and verify Sentinel and related hardware; conduct roll transfer, stage loading/unloading, and transport operations using cranes, forklifts, and fixtures.
• Perform preventive maintenance, troubleshooting, repairs, and field modifications on mechanical, electrical, hydraulic, and control systems; validate fixes with retests.
• Manage configuration control: implement field changes, produce redlines/as builts, and update documentation.
• Maintain service logs, calibration records, test reports, maintenance histories, transport manifests, and chain of custody documentation.
• Provide on site technical guidance and training to technicians, operators, and customers on SOPs and safe operation.

Position Benefits:

• Medical, Dental & Vision coverage
• 401k
• Educational Assistance
• Life Insurance
• Employee Assistance Programs & Work/Life Solutions
• Paid Time Off
• Health & Wellness Resources
• Employee Discounts

This positions standard work schedule is a 9/80. The 9/80 schedule allows employees who work a nine-hour day Monday through Thursday to take every other Friday off. This role may offer a competitive relocation assistance package.

Basic Qualifications Level 3: 5 Years with Bachelors; 3 Years with Masters; 1 Year with PhD or 4 additional years in lieu of a degree

Level 4:8 Years with Bachelors; 6 Years with Masters; 4 Years with PhD or 4 additional years in lieu of a degree

Required for both levels:

• Must be a US citizen and have an active U.S. Government DoD Secret security clearance at time of application, current and within scope
• Experience planning/executing field operations or test activities for complex systems (integration, verification, troubleshooting, documentation discipline).
• Demonstrated ability to author or maintain procedures and work instructions and to lead execution to those procedures.
• Ability to interpret drawings,…