Security Analyst – Incident Response & Detection

Vast Space Llc.; Long Beach (CA); On-site; USD 90,000 - 158,000; Full time

Benefits offered by this job

Medical, dental, vision

Equity

Paid time off

Parental leave

401(k) retirement plan

Job summary

Vast is seeking an Information Security Analyst to join the Information Security team in Long Beach, CA. You will own day-to-day triage, investigation, and response for security alerts across corporate and mission environments, and help build our security monitoring and detection capabilities.

The role requires 1+ years in security monitoring, incident response, and scripting in PowerShell, Bash, or Python. Travel up to 10% and willingness to work overtime for critical milestones.

Qualifications

• 1+ years hands-on experience in security monitoring, incident response, or a related role.
• Equivalent internship, lab, or academic project experience will be considered.
• Experience monitoring and responding to security events on Windows, macOS, and Linux.
• Familiarity tuning security alerts to improve fidelity and reduce false positives.
• Solid working knowledge of cloud and on prem auditing and alerting.
• Proficiency in scripting and automation with PowerShell, Bash, or Python.
• Knowledge of network protocols, firewalls, and intrusion detection and prevention systems (IDS/IPS).

Responsibilities

• Monitor and triage alerts from security tooling across corporate and mission environments.
• Investigate suspicious activity, determine scope and impact, and contain or elevate incidents according to the incident response process.
• Document incidents, and contribute to post-incident reviews and updates to response procedures.
• Tune detection rules and reduce false positives across monitoring tools.
• Develop playbooks and automate repetitive triage steps to speed up response.
• Carry out vulnerability and exposure checks, and coordinate remediation with system owners.
• Work with engineering, IT, and mission teams on security implementations and alert follow-ups.

Skills

Security monitoring

Incident response

Windows/macOS/Linux

Alert tuning

Automation scripting

Cloud auditing

Network security

IDS/IPS

Tools

EDR

SIEM

DLP

Firewalls

Intrusion Detection

Job description

Vast is seeking an Information Security Analyst to join the Information Security team in Long Beach, CA. You will own day-to-day triage, investigation, and response for security alerts across corporate and mission environments, and help build our security monitoring and detection capabilities.

The role requires 1+ years in security monitoring, incident response, and scripting in PowerShell, Bash, or Python. Travel up to 10% and willingness to work overtime for critical milestones.