Senior SI&T Engineer: System Integration & Test | Onsite

SES Satellites; McLean (VA); Hybrid; USD 120,000 - 165,000; Full time

Job summary

SES Satellites in McLean, VA is seeking a (Senior) Engineer, System Integration & Test to lead integration, verification, validation, and test across spacecraft, ground systems, and networks. You will develop test solutions, drive milestones, and coordinate with cross-functional teams in a fast-paced environment.

The role requires hands-on problem solving, strong technical judgment, and the ability to deliver complex technical work independently.

Qualifications

• Bachelor's or Master's degree in a relevant technical discipline.
• Minimum 8 years of engineering experience with ownership of SI&T activities.
• Experience in at least one key area: Mission Test, Systems Verification, or Test Automation.

Responsibilities

• Plan, coordinate, and execute system integration, verification, validation, and test activities across hardware, software, networks, and operations.
• Own SI&T work packages and deliver outputs aligned with program milestones and readiness gates.
• Develop and maintain test procedures, configurations, and evidence for requirements compliance.
• Define and execute end-to-end test activities supporting verification of mission and service outcomes.
• Collaborate across spacecraft, ground systems, software, operations, networking, labs, suppliers, and partners.
• Investigate anomalies, perform root-cause analysis, and drive corrective actions.
• Ensure traceability between requirements, verification methods, and evidence.
• Support readiness reviews and engineering assessments; contribute to test infrastructure and automation capabilities.
• Produce high-quality technical documentation, test reports, and engineering recommendations.

Skills

Systems Engineering

Requirements Management

Verification & Validation

Test Planning

Automation

Education

Bachelor's or Master's in Aerospace/Syst Eng/EE/CE/Software

Tools

Model-based Systems Engineering

Test Automation Frameworks

Simulation Environments

Job description

SES Satellites in McLean, VA is seeking a (Senior) Engineer, System Integration & Test to lead integration, verification, validation, and test across spacecraft, ground systems, and networks. You will develop test solutions, drive milestones, and coordinate with cross-functional teams in a fast-paced environment.

The role requires hands-on problem solving, strong technical judgment, and the ability to deliver complex technical work independently.