Satellite Communications Engineer

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

Job Summary: Develop Satellite Communications (SATCOM) capabilities in support of DoD and Intelligence Community sponsors. Contribute SATCOM expertise to the ideation, development and deployment of cyber capabilities for projects of national significance.


  • Assist the development of capabilities for various effects related to satellite communication technologies through manipulation of all layers of the OSI network model (Physical to Application) (40%)
  • System analysis to predict capability efficacy such as link budgets and throughput analysis (20%)
  • Perform end-to-end evaluations of developed capabilities through a combination of laboratory and field test (20%)
  • Network performance data collection, analysis, and performance optimization. (10%)
  • Small scale network design and optimization (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:

B.S. degree in Computer Science or Electrical Engineering or a closely related discipline. At least 5 years of experience working with commercial (e.g. L-band, Ka Band, Ku-band) and/or military satellite communications systems (e.g. WGS, AEHF, MUOS). Experience designing, configuring, and evaluating satellite systems. Experience with the following network layer and above protocols: Internet Protocol (IPv4 or IPv6), UDP, TCP, and common routing protocols (BGP, OSPF, or equivalent) of communications or networking systems. Experience with Wireshark or equivalent PCAP analysis software. Active DoD or IC TS//SCI clearance. Willingness to work offsite.

Desired Qualifications:

M.S., Ph.D. degree in Computer Science, Electrical Engineering, or a closely related discipline. 10 years of experience as per above. Familiarity with commercial and military SATCOM technology standards. Knowledge of and experience with US military communications or intelligence collection. Demonstrated ability and/or interest in leading projects within the scope of the required qualifications. Cisco Certified Network Professional (CCNP) or Cisco Certified Internetwork Expert (CCIE). Familiarity with physical layer and data link layer implementations for satellite communications. Experience with modeling networked communications systems. Experience with Software Defined Networking and OpenFlow. Expertise with the following: C , Python, MATLAB, SNMP. Knowledge of open-source vulnerabilities and exploitation tools, and network security tools. Active DoD or IC TS//SCI clearance with FS Polygraph.

Special Working Conditions: May be required to work a portion of the time at sponsor locations within 30 miles of APL campus. Possible limited travel both inside and outside the continental US.

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. Must be eligible for DOD clearance requiring background investigation and/or polygraph examination. Preference for current SSBI.

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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