Security Analyst

About the role

Arista Networks is an industry leader in data-driven, client-to-cloud networking for large data center, campus and routing environments. What sets us apart is our relentless pursuit of innovation. We leverage the latest advancements in cloud computing, artificial intelligence, and software-defined networking to provide our clients with a competitive edge in an increasingly interconnected world. Our solutions are designed to not only meet the current demands of the digital landscape but to also anticipate and adapt to future challenges. At Arista we value the diversity of thought and perspectives that each employee brings to the table. We believe that fostering an inclusive environment, where individuals from various backgrounds and experiences feel welcome, is essential for driving creativity and innovation. Our commitment to excellence has earned us several prestigious awards, such as Best Engineering Team, Best Company for Diversity, Compensation, and Work-Life Balance. At Arista, we take pride in our track record of success and strive to maintain the highest standards of quality and performance in everything we do.

You will join our Operational Security team, a group of dedicated professionals who serve as our organization's initial line of defense. In this collaborative environment, you will work closely with senior analysts to monitor security alerts across our enterprise telemetry, investigate potential threats, and support critical incident response efforts. Our team thrives on shared expertise and hands-on experience with diverse technologies to protect our infrastructure.

Responsibilities

• Monitor security alerts from various telemetry sources (SIEM, IDS/IPS, EDR) and escalate anomalies as necessary.
• Conduct initial triage, analysis, and classification of security incidents.
• Document investigative findings and assist in comprehensive incident response.
• Follow established incident response procedures and escalate to senior analysts when required.
• Gather threat intelligence to proactively enhance security monitoring capabilities.
• Create, maintain, and review internal documentation for processes and procedures.
• Implement cloud security reference architectures and guardrails rooted in Zero Trust and Least Privilege principles.
• Support vulnerability management by identifying potential security weaknesses across the enterprise.
• Conduct investigations and provide necessary triage, containment, and forensic support during cloud-based security incidents.
• Stay informed on emerging threats, vulnerabilities, and cybersecurity trends.
• Collaborate with cross-functional teams to ensure timely resolution of security incidents, providing guidance and recommendations.
• Participate in project work, including proof-of-concepts (PoCs) for new tools and optimizations of existing technologies.

Qualifications

• Bachelor’s degree in Cybersecurity, Computer Science, or a related technical field (or equivalent practical experience).
• A minimum of 5 years of progressive experience within Information Security, specifically including 2 or more years dedicated to Cloud security initiatives.
• Strong foundational understanding of both macOS and Windows environments.
• Familiarity with SIEM tools, logging platforms, firewalls, antivirus, and EDR solutions.