Navigation, Guidance, and Controls (NG&C) Engineering Software Architect

Job Summary: The Johns Hopkins Applied Physics Lab (APL) is seeking an engineer to serve as the Software Architect for analysis tools used to evaluate the accuracy performance of ballistic missile and hypersonic reentry vehicle flight systems. Responsibilities include developing an understanding of the current accuracy performance evaluation methodologies and managing the software development, analysis tool evolution, and maintenance processes for evaluating system accuracy performance. Also demonstrates interest, enthusiasm, and willingness to work on different challenges and opportunities.


  1. Develop an understanding of the current software packages utilized for accuracy and performance analysis of inertial navigation systems for missiles and reentry vehicles.(30%)
  2. Evaluate and reengineer software and algorithms used in the flight accuracy analysis process. Requires conversion of software from previous programming platforms to Matlab. (30%)
  3. Implement new algorithms and write software required for processing data from IMUs, GPS receivers, RADARS, and potentially other measurement systems. (10%)
  4. Update the current software configuration management process with an agile interface and structure and provide follow-on maintenance and upgrades as necessary. (25%)
  5. As an independent evaluator of NG&C system performance, act as an interface with the sponsor and external organizations to understand accuracy requirements for various programs and how various NG&C systems meet those requirements. (5%)
Note: This job summary and listing of duties is for the purpose of describing the position and its essential functions at time of hire and may change over time.
Required Qualifications:
  • B.S. (or above) in Electrical Engineering, Aerospace Engineering, Physics, or related field with a strong interest in software development
  • Strong written and verbal communication skills.
  • Strong background in computer programming, with a proficiency in Matlab and C
  • Ability to work and contribute in a team environment.
  • Motivation and initiative in accomplishing tasking requirements and working on new projects.

Desired Qualifications:
  • M.S. or above in Electrical Engineering, Aerospace Engineering, Physics, or related field
  • Relevant experience in software development and software configuration management
  • Relevant experience in one or more of the following areas: inertial navigation, vehicle trajectory modeling/simulation, estimation theory (e.g. Kalman Filtering)
  • Proficiency in object oriented, parallel, and GUI programming
  • Experience with PL/1 programming

Special Working Conditions: Travel of 10 to 20 days a year is likely.

Security:Secret Clearance is required. Applicants selected will be subject to a Government security investigation and must meet the eligibility requirements for access to classified information up to the Secret level. Eligibility requirements include US citizenship.

Benefits:APL offers a comprehensive benefits package including a liberal vacation plan, a matching retirement program, significant educational assistance, a scholarship tuition program for staff with dependents, and competitive salaries commensurate with skills and experience. For more information about our organization, please visit our web site at

Equal Employment Opportunity: Johns Hopkins University/Applied Physics Laboratory (APL) is an Equal Opportunity/ Affirmative Action employer that complies with Title IX of the Education Amendments Acts of 1972, as well as other applicable laws. All qualified applicants will receive consideration for employment without regard to race, color, religion, sexual orientation, gender identity, national origin, disability, or protected Veteran status.

The Johns Hopkins University Applied Physics Laboratory (APL), a national leader in scientific research and development, is located midway between Baltimore and Washington, DC.

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