Information Security Analyst (Microsoft Security / SIEM Focus)
San Jose, CA (4 days onsite, 1 day remote)
About the Role
We’re hiring an Information Security Analyst to join a fast-paced IT security team supporting a large enterprise environment. This is a hands-on role focused on security monitoring, incident response, and threat detection, with strong emphasis on the Microsoft security ecosystem.
This position is ideal for someone who can hit the ground running, take initiative, and proactively identify and respond to security risks without needing constant direction.
What You’ll Do
- Monitor and investigate security alerts across SIEM and endpoint tools
- Analyze logs and events to identify suspicious activity and potential threats
- Respond to incidents, perform root cause analysis, and document findings
- Work within Microsoft security tools (Defender, Security Portal, M365)
- Support vulnerability assessments and remediation efforts
- Collaborate with IT teams to strengthen system and network security
- Assist with development of security policies, procedures, and awareness training
- Participate in audits, risk assessments, and continuous improvement initiatives
Required Experience
- Associate’s or Bachelor’s degree in IT, Cybersecurity, or related field OR relevant certification
- 2+ years of hands-on cybersecurity / security operations experience
- Experience working with SIEM tools (Splunk, Sentinel, QRadar, etc.)
- Strong experience with Microsoft security tools (Defender, Security Portal, Microsoft 365 security)
- Experience investigating and responding to security incidents in real environments
- Familiarity with Active Directory / Azure AD (Entra ID)
- Understanding of network security fundamentals (firewalls, IDS/IPS, etc.)
Nice to Have
- Experience with Microsoft Sentinel or KQL
- Knowledge of NIST, ISO, or other security frameworks
- Exposure to vulnerability management tools
- Security certifications (Security+, SC-200, CISSP, CISM, etc.)
If you're a hands-on security analyst who thrives in a fast-moving environment and enjoys solving real security challenges, we’d love to connect.
Benefits are available including medical, vision, and dental, and life and disability insurance. Employees hired for our FTEP Program are also eligible to enroll in our company’s 401(k) or deferred compensation plan (if eligible). FTEP employees also earn paid time off for vacation, personal needs, and sick time and paid holidays. Learn more at roberthalfbenefits.com/Resources.
