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Position Description:

The Senior Navigation Engineer will help develop and verify the GPS/INS navigation system for NASA’s Space Launch System (SLS). This role will develop and maintain a detailed understanding of the navigation sensors and their interactions and interfaces to flight computers and software. Additional work may include analyzing the avionics of the Exploration Upper Stage (EUS). This role will create software models that integrate with existing 6-DOF simulations and navigation software. This role will assess and analyze test data to characterize systems and to identify and isolate unexpected results and discrepancies between models and observed behaviors.

Successful candidates are self motivated and work well with others. As part of the SLS Navigation team, you will collaborate with and help lead other members of the team. This includes opportunities for mentoring others and leading analyses and studies.

A degree from an ABET-accredited university in Aerospace Engineering, Mechanical Engineering, or a related field is required. Typically, educational requirements are the equivalent of a PhD, an MS with at least 15 years of experience, or a BS with at least 20 years of experience.

Experience:

Required skills and experience:

• Knowledge of inertial navigation and GPS-aided navigation systems, preferably for aerospace applications

• Experience with models of inertial sensors, inertial navigation systems, and GPS receivers, including the effects of stochastic errors and latency. Knowledge of how various error sources effect the integrated navigation solution.

• Experience with navigation error analysis, including sensitivity analysis, covariance analysis.

• Ability to assess data to characterize system performance and identify anomalous behaviors in navigation systems.

Essential Functions

Work Environment:

General office environment (100%). Requires ability to provide clear, concise, accurate and timely communication, both verbally and in writing (100%). Requires ability to interact professionally with co-workers, management, and client (100%). Requires travel in the domestic USA (<5%)

Physical Requirements:

Requires sitting for extended periods of time in meetings with peers, management, and with our client at NASA facilities to discuss technical issues (10%). Also, requires sitting for extended periods of time at a desk to write reports and perform engineering tasks (80%). Requires ability to use stairs or elevators for access between floors and multiple buildings at NASA and our facilities (<10%)

Equipment and Machines:

Requires ability to operate a personal computer, a telephone, fax machine, copier, calculator, and other general office equipment (100%).

Attendance:

Normal workday is from 7:30 a.m. through 4:30 p.m., Monday thru Friday. Minimal overtime may be required (10%) to meet schedule milestones and to support technical demands of the job. Regular attendance is a necessity and adequate arrangements for delegating duties during absences are required.

Other Essential Functions:

The ability to work independently with minimal supervision, and to make rational decisions, and to exercise good judgment is essential (100%). Grooming and dress must be appropriate for the position and must not impose a safety risk/hazard to the employee or others.

Proof of U.S. Citizenship is required.

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