Senior Software Engineer

Introduction: The Johns Hopkins Applied Physics Laboratory (JH APL), an independent, nonprofit organization that conducts essential research, development, and systems engineering to address national security challenges, located midway between Baltimore and Washington, DC is seeking a creative Senior Software Engineer.

Job Summary: Participate in a team environment to develop and utilize tools for advanced concepts, algorithms, and techniques for Integrated Air and Missile Defense (IAMD). Utilize these tools to (a) advance existing modeling and simulation capabilities, (b) develop variable fidelity models and tools, and (c) develop a common services framework and capability.

Duties (Listed in order of importance with the estimated amount of time spent at each task):

  • Provide development support for Variable Fidelity modeling and simulation. Tools are developed in C and Python to enable robust concept exploration prior to high-fidelity availability. Work to include development of generic interfaces, new algorithms, and model frameworks to enable high levels of user configuration. (40%)
  • Participate in teams to develop tools used by multiple projects. Development is focused on simplifying complex systems behind a common interface to be used both internally and externally. (30%)
  • Participate in development of algorithms and analysis tools for a variety of simulations written in C , Python, and MatLab. Work includes algorithm design, algorithm implementation, software testing, and associated documentation. (20%)
  • Deliver formal presentations to Sponsors and Engineering Community, effectively communicate proposed concepts / solutions, and analysis results. Produce documentation to capture concept definitions, requirements, analysis results, and technical recommendations. (10%)

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:

BS degree in Computer Science, Mathematics, Physics, Engineering, or equivalent. Minimum of five years programming experience and proficiency with C , Python and/or Java Programming Languages. Experience using Microsoft Office products including PowerPoint and Excel. Experience working successfully within a team environment either at school or in the work place. Strong written and verbal communication skills. Ability to obtain INTERIM SECRET clearance or Active SECRET clearance.

Desired Qualifications:

MS degree in Computer Science, Mathematics, Physics, Engineering, or equivalent. Seven years experience in developing software using C, C , Java and/or Python. Experience developing large scale software systems. Strong analytical and logical skills and attention to detail. Proven success working in a multi-disciplinary team environments. Working knowledge of the Aegis BMD System, Tactical Data Links, Command and Control Systems, and/or Common Services. Active TOP SECRET and SCI clearances.

Special Working Conditions:

Travel (10% or more) to local and remote contractor facilities for meetings and reviews as necessary. Travel to support occasional test events involving extended or evening hours, travel aboard ships and to field site activities.

Security: Applicant selected will be subject to a government security clearance investigation and must meet the requirements for access to classified information. Eligibility requirements include U.S. 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.

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