Resident Engineer

About Sine Engineering

Sine Engineering is a leading global company developing advanced radio communication and navigation systems. We are building mission‑critical infrastructure for the multi‑million‑drone era.

At Sine, you will work with cutting‑edge technologies tested in the most challenging environments in the world and see your ideas evolve into an ecosystem that helps safeguard humanity.

The Resident Engineer acts as Sine Engineering’s technical and quality representative at EMS (CM) sites. This role ensures correct execution of product requirements, smooth New Product Introduction (NPI) and volume production, and full compliance with quality standards and contractual obligations.

The Resident Engineer serves as the single technical point of contact between Sine Engineering and the EMS partner.

• Support New Product Introduction (NPI) from EVT/DVT through PVT and mass production at the EMS (CM).
• Support first builds, pilot runs, and mass‑production readiness.
• Ensure alignment and traceability between DFMEA, test coverage, and manufacturing controls.

• Monitor and support assembly and test processes for PCBA and final assemblies.
• Execute and track ECO/ECR implementation at the EMS site.
• Review and approve manufacturing documentation, including Process Flow Diagrams, Control Plans, Work Instructions, and other technical and production documentation.
• Ensure proper documentation and regular reporting.

• Act as the first responder for yield drops, test failures, and customer or internal quality alerts.
• Support root cause analysis and corrective/preventive actions in collaboration with EMS and internal teams.

• Strong knowledge of PCB, PCBA, and SMT manufacturing processes.
• Solid understanding of relevant IPC standards.
• Experience with ICT, FCT, functional testing, and board‑level defect analysis.
• Ability to read and analyze PCB layouts, schematics, assembly and manufacturing drawings.

• Location: United States, Fredericksburg, Virginia
• Travel: Willingness to travel to Europe is required.

Sine Engineering and all employees are committed to conducting business with the highest ethical standards. We require compliance with all applicable laws, regulations, and regulatory orders. Our reputation for integrity and innovation is as important as our reputation for delivering advanced sensing solutions.

Sine Engineering is an Equal Opportunity/Affirmative Action Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, veteran status, age, or any other legally protected characteristic.