Corelight · 3 months ago
Senior Software Development Engineer in Test, Investigator
San Francisco, CA
Full-time
Hybrid
Senior Level
$153K/yr - $188K/yr
6+ years expCorelight is a leading company in cybersecurity focused on transforming network footprints into actionable insights to combat cyber threats. The Senior Software Development Engineer in Test (SDET) will lead the development of automated testing frameworks and ensure the quality and reliability of software products while collaborating with cross-functional teams.
AnalyticsCyber SecurityNetwork SecuritySecuritySoftware
Responsibilities
Lead the design, development, and implementation of automated testing frameworks for application and performance testing
Collaborate with cross-functional teams to define testing strategies and requirements, ensuring comprehensive test coverage
Utilize your proficiency in Python programming language to develop and maintain test scripts, ensuring the accuracy and reliability of automated tests
Leverage AWS services and resources to optimize test environments and infrastructure for scalability, reliability, and efficiency
Apply your knowledge of network security principles and technologies to implement effective security testing strategies
Diagnose and troubleshoot production issues promptly to identify root causes and minimize downtime
Provide timely fixes and patches to address production issues, collaborating with development and operations teams as needed
Drive the continuous improvement of testing processes, tools, and methodologies to enhance efficiency and effectiveness
Stay updated on industry best practices, emerging technologies, and trends in software testing and development
Provide technical leadership and guidance to the testing team, mentoring junior members and fostering a culture of excellence
Qualification
Required
Strong appreciation and support for our core values: low ego results, tireless service, and applied curiosity
Proven experience (6+ years) in software development and testing, with a focus on automation
Proficiency in Python programming language
Strong knowledge and hands-on experience with AWS services and cloud Infrastructure
Cypress or any equivalent UI testing tool experience
Familiarity with performance testing tools and methodologies
Preferred
Experience using Docker, Kubernetes, and containerized microservices
Knowledge of Relational and NoSQL databases
Experience with developing UI and API automation frameworks
Experience adopting & using Agile development methodologies
Excellent communication skills. You thrive by collaborating with multiple teams and use your communication skills to influence product directions
Bachelor's degree in Computer Science or related fields, or equivalent experience
Benefits
Equity and additional benefits will also be awarded.
Company
Corelight
Corelight is a cybersecurity company specializing in network traffic analysis (NTA) solutions.
201-500 employees
H1B Sponsorship
Corelight has a track record of offering H1B sponsorships. Please note that this does not
guarantee sponsorship for this specific role. Below presents additional info for your
reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (13)
2024 (9)
2023 (1)
2022 (10)
2021 (6)
2020 (5)
Funding
Current Stage
Late StageTotal Funding
$309.2MKey Investors
AccelEnergy Impact PartnersGeneral Catalyst
2024-04-30Series E· $150M
2021-09-02Series D· $75M
2019-10-17Series C· $50M
Leadership Team
Gregory Bell
Co-founder and Chief Strategy Officer
Robin Sommer
Co-Founder
Recent News
2025-12-09
2025-11-05
Help Net Security
2025-11-01
Company data provided by crunchbase