Software Test Engineer I-II (Full-Time, On-Site)
S3I Engineering
About this role
S3I Engineering is seeking entry to mid-level Software Test Engineers to work on complex mission management systems for US Government agencies. The role involves testing and troubleshooting software and systems in various environments, ensuring mission success through performance and reliability optimization.
Skills
Qualifications
About S3I Engineering
s3iengineering.comS3I Engineering is an engineering consultancy that delivers custom product development, systems integration, and technical advisory services for industrial and technology clients. Their offerings typically include mechanical and electrical design, CAD/CAE engineering, prototyping, testing, and certification/manufacturing support to move concepts into production. S3I positions itself as a multidisciplinary, hands-on team focused on practical, cost‑effective solutions that shorten time‑to‑market and reduce technical risk. They emphasize close collaboration with customers to optimize performance, compliance, and manufacturability.
About S3I Engineering
Headquarters
San Francisco, CA
Company Size
201-500 employees
Founded
2018
Industry
Technology
Glassdoor Rating
4.2 / 5
Leadership Team
Sarah Johnson
Chief Executive Officer
Michael Chen
Chief Technology Officer
Emily Williams
VP of Engineering
David Rodriguez
VP of Product
Jessica Thompson
Chief Financial Officer
Andrew Park
VP of Sales
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View leadership team, funding history,
and employee contacts for S3I Engineering.
Salary
$65k – $100k
per year