Engineer, Systems - Product Testing

SES Space & Defense is a trusted partner ensuring mission success for our customers by blanketing the globe with multi orbit end to end satellite and technology solutions which provide reliable, secure, and high bandwidth connectivity. We strive to be the only solution when success is critical, and we will take care of our employees because we recognize they are our competitive advantage.The SES S&D Team, along with our customers and partners, will achieve success through integrity, honor, and commitment.

In this role as a Products and Systems Test Engineer, you become part of the Systems Engineering group at SES Space & Defense, focused on validation and regression testing for MEO Satellite Systems. You will be a key member, and SME on Verification, Validation, Unit Tests and System-level tests for advanced, systems spanning across satellite links, networks and end-user devices.

• Collaboration skills with both internal/external customers and fellow team members
• Understanding the fundamental need of process optimization, automation tests and data analysis
• Excellent written and verbal communication skills
• Strive for continuous improvement of quality processes, test methodologies, and infrastructure hardening.
• Curious personality, with a knack for understanding newer technologies

• 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.

• Excellent team-player
• BSEE or equivalent + 6 Years of related Work Experience or MSEE +4 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 on college Level Physics and Math

• 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.

• US Person with ITAR clearance

SES Space & Defense is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, pregnancy, genetic information, disability, status as a protected veteran, or any other protected category under applicable federal, state, and local laws.#LI-Onsite #LI-DR1