Senior Cybersecurity Analyst – Network Security #3369

Genius Road•Austin, TX

8d•Onsite

About The Position

We are seeking a Senior Cybersecurity Analyst - Network Security to support enterprise security operations across on-premises, cloud, network, and endpoint environments. This role will monitor, investigate, detect, and respond to security threats while supporting threat hunting, detection engineering, and incident response. The ideal candidate is a hands-on security professional with strong experience across SIEM, SOAR, EDR, XDR, NDR, threat intelligence, and security operations.

Requirements

Bachelor's degree in cybersecurity, computer science, information systems, information technology, or a related field.
Relevant certifications such as CISSP, CISM, CISA, Security+, CySA+, GIAC, or Microsoft security.
8+ years of experience in cybersecurity, network security, security operations, incident response, or related information security.
Hands-on experience with Microsoft Sentinel, including incident management, analytics rules, workbooks, automation, data connectors, and KQL.
Strong experience with SIEM platforms, security log collection and management, alert investigation, correlation, and monitoring.
Experience with SIEM, SOAR, EDR, XDR, and NDR technologies.
Experience with detection engineering, including developing and tuning detection rules and alerts.
Strong ability to write and interpret KQL, SPL, and security queries.
Experience with threat intelligence, threat hunting, and identifying indicators of compromise.
Strong understanding of firewalls, IDS/IPS, DNS, VPN, TCP/IP, network segmentation, secure network architecture.
Ability to investigate complex security events, correlate data across multiple sources, and clearly document findings.
Knowledge of security frameworks and standards, including NIST and CIS Controls.
Ability to prioritize alerts based on severity, risk, and business impact.
Strong analytical, problem-solving, communication, and documentation skills.

Nice To Haves

Experience with advanced threat hunting, detection engineering, and cloud security preferred.

Responsibilities

Monitor security alerts, logs, network events, endpoint telemetry, and threat intelligence feeds.
Investigate suspicious activity, malware indicators, anomalous network behavior, and SIEM/EDR alerts.
Perform incident triage, investigation, escalation, containment coordination, and documentation.
Develop and tune detection rules, dashboards, alerts, playbooks, and security queries.
Conduct threat hunting using KQL, SPL, packet/session analysis, and endpoint telemetry.
Support vulnerability, risk, and security control assessments.
Document investigations, prepare incident reports, and track corrective actions.
Collaborate with network, infrastructure, cloud, endpoint, and application teams to address security risks.
Stay current on emerging threats, vulnerabilities, attack techniques, and security best practices.
Participate in incident response, escalation, and after-action reviews as needed.
Maintain accurate investigation notes, operational documentation, and security metrics.
Follow established security policies, procedures, and standards.
Work effectively with security, network, infrastructure, cloud, endpoint, and application teams.
Support time-sensitive security incidents and escalations as needed.
May require after-hours support for critical security incidents or planned maintenance.