SES Space & Defense ยท 1 day ago
Junior Systems Engineer, Product Test
Reston, VA
Full-time
Onsite
Entry Level
2+ years expSES Space & Defense is a trusted partner ensuring mission success for customers with satellite and technology solutions. The role involves validation and regression testing for MEO Satellite Systems, focusing on various testing methodologies and performance validation.
Defense & Space
No H1B
U.S. Citizen Only
Responsibilities
Plan, execute, and document comprehensive test campaigns for MEO satellite network equipment across gateway (hub) and remote terminal environments
Perform performance, functional, regression, and environmental testing using industry-standard tools and methodologies, including iPerf, BERT, RFC 2544, latency/jitter profiling, and link-budget validation
Validate end-to-end performance, traffic behavior, system interoperability, and compliance with SESSD IT, Network and Cybersecurity policies
Develop automation frameworks and repeatable test suites using Python, Bash, or similar tools, and build automated workflows to run long-duration tests, collect telemetry, export logs, and generate performance reports
Maintain internal utilities for data parsing, KPI computation, and automated pass/fail analysis
Work hands-on with Linux subsystems, networking stacks, docker containers, k8s pods, drivers, and system services
Conduct on-site field testing at customer sites or SESSD Integration facilities in the DMV area
Operate RF test equipment, traffic generators, spectrum analyzers, power meters, other test tools and data-collection systems
Maintain readiness of the integration and test labs, ensuring equipment configuration, cabling, firmware, and topology are always up-to-date
Perform troubleshooting in real time, including link bring-up, RF alignment, power issues, and network path debugging
Qualification
Required
Excellent team-player
BSEE or equivalent + 2 Years of related Work Experience or MSEE Equivalent from an accredited school
Ability to interpret a variety of instructions furnished in written, oral, diagram, or schedule form
Self-motivated. Takes initiative. Sense of Ownership. Passionate. Positive attitude
Ability to create and maintain documentation for test environments, lab topologies, and deployment standards
Define and enforce infrastructure standards for both hub-side and remote-side deployments, including minimum hardware specs, container images, OS baselines, and configuration templates
Produce high-quality test reports for internal engineering, product, and leadership teams, presenting results clearly with supporting data
Fundamental Understanding of Networking Technologies - Routing & Switching, Linux & Network Automation
Strong foundational knowledge of college Level Physics and Math
Preferred
Prior experience with satellites operating at various orbit regimes is a plus
Flexible and able to, quickly, adapt to changing conditions
Knowledge of SATCOM systems and technologies: Link budgets, modems, Antenna and RF Technologies, and associated system software
Satellite Communication experience with DVB-S2/S2x, TDMA, SCPC & Hands-on experience with VSAT network products
Good knowledge of IP Networking protocols and standards, including TCP, UDP, ICMP, IGMP, MPLS, IPSec, Multicast, BGP, etc
Company
SES Space & Defense
SES Space & Defense is a space solutions company equipping governments with integrated, purpose-built satellite and connectivity solutions that deliver resilient, future-proof capabilities across every mission, landscape, and orbit.
51-200 employees
Funding
Current Stage
Growth StageLeadership Team
Bobby Khan
IT DIRECTOR - INFORMATION SYSTEM SECURITY MANAGER (ISSM)
Recent News
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