Junior Cyber Defense Incident Responder

Job DescriptionAbout the Role:GZO INC is looking for a driven and detail-oriented Junior Cyber Defense Incident Responder to join our growing security team in San Antonio, TX. This is your opportunity to launch your cybersecurity career on the front lines of threat detection and incident response. If you’re passionate about protecting critical systems and stopping cyber threats in their tracks, we want to hear from you. Responsibilities:

• Monitor security alerts and events across SIEM platforms to detect potential threats and anomalies
• Assist in the triage, analysis, and containment of cybersecurity incidents
• Perform initial investigation and documentation of security incidents and breaches
• Support threat hunting activities to proactively identify indicators of compromise (IOCs)
• Analyze network traffic, logs, and endpoint data to identify malicious activity
• Collaborate with senior analysts to develop and refine incident response playbooks
• Assist in vulnerability assessments and post-incident remediation efforts

• 1+ year of experience in cybersecurity, IT security, or a related field
• Familiarity with SIEM tools (e.g., Splunk, Microsoft Sentinel, or similar platforms)
• Basic understanding of network protocols, firewalls, and intrusion detection/prevention systems (IDS/IPS)
• Knowledge of incident response frameworks such as NIST or MITRE ATT&CK
• CompTIA Security+, CySA+, or equivalent certification preferred
• Strong analytical and problem-solving skills with keen attention to detail
• Ability to work in a fast-paced environment and communicate findings clearly

About Us:GZO INC is a San Antonio-based cybersecurity firm dedicated to delivering cutting-edge defense solutions to clients across a range of industries. Our team thrives on innovation, collaboration, and a shared commitment to staying ahead of an ever-evolving threat landscape. We invest in our people - offering growth opportunities, hands-on experience, and a culture where your contributions truly matter.