Principal Network Systems Engineer I

Please Note: To conform with the United States Government Space Technology Export Regulations, the applicant must be a U.S. citizen, lawful permanent resident of the U.S., conditional resident, asylee or refugee (protected individuals as defined by 8 U.S.C. 1324b(a)(3)), or eligible to obtain the required authorizations from the U.S. Department of State.

At CesiumAstro, we are developers and pioneers of out-of-the-box communication systems for satellites, UAVs, launch vehicles, and other space and airborne platforms. We take pride in our dynamic and cross-functional work environment, which allows us to learn, develop, and engage across our organization. If you are looking for hands-on, interactive, and autonomous work, CesiumAstro is the place for you. We are actively seeking passionate, collaborative, energetic, and forward-thinking individuals to join our team.

Job Duties and Responsibilities

• Collaborate with customers and internal stakeholders to define networking architectures and operational concepts for space-based communication systems.
• Develop hardware and software requirements for network elements such as routers and switches.

Job Requirements and Minimum Qualifications

• 10+ years of systems engineering experience, at least 4 years in space and/or ground-based network architecture.
• Experience with multiple access and wireless communications systems.
• Experience in packet network and router/switch architecture, analysis, and modeling.
• Proficiency in developing hardware/software architectures for link, network, and/or transport layer processing chains.
• Experience with networking protocols and approaches, including IPv4/v6, MPLS, Ethernet, SNMP, NETCONF/YANG, gNMI, QoS and queue management.
• Proficiency in communications subsystem trades and analysis.
• Proficiency in requirements allocation and verification for communications subsystems.
• Proficiency in defining interfaces between communications subsystems, both physical and messaging layer.
• Experience with MBSE concepts, standards, and tools (e.g. Cameo/SysML) for developing and communicating architecture.
• Experience with design for testability, test plan development, laboratory testing of network devices using commercial test equipment (e.g. Keysight/Ixia), integration/testing with other subsystems.
• Ability to work with interdisciplinary team of hardware, firmware, and software engineers to communicate and drive architecture implementation.

Preferred Experience

• Experience using heterogeneous network modeling and emulation tools such as CORE, EMANE.
• Experience with Software Defined Networks (SDNs).
• Proficiency with algorithms, and ability to review and apply algorithms literature on graphs, network flow optimization, task and resource scheduling, dynamic topology.
• Familiarity with hardware/firmware design issues, including clocks, configurable logic, storage elements, power/reset sequencing, data correction.
• Experience with cyber architecture for space and ground applications, including NIST RMF controls, RoT, ZTA, KMI/COMSEC/TRANSEC, red-black boundary management.
• Familiarity with antenna subsystems and parameters.