Network Security Analyst 1

ALIS Software•Austin, TX

1d•Onsite

About The Position

A network security analyst ensures that information systems and computer networks are secure. This includes protecting the company against hackers and cyber-attacks, as well as monitoring network traffic and server logs for activity that seems unusual. Additionally, these analysts are responsible for finding vulnerabilities in the computer networks and creating recommendations for how to minimize these vulnerabilities. The network security analyst investigates security breaches, develops strategies for any security issues that arise, and utilizes the help of firewalls and antivirus software to maintain security. The Network Security Analyst I performs advanced cybersecurity analysis and threat triage activities within the Cybersecurity Operations Center (CSOC). Work involves continuously monitoring, triaging, analyzing, and prioritizing cybersecurity alerts; investigating suspicious activity; identifying potential threats; and coordinating incident response activities to protect agency information systems, networks, and data. Serves as a primary point of contact for security event analysis, threat identification, and incident escalation.

Requirements

Minimum of five (5) years of experience in cybersecurity operations, security monitoring, incident response, threat detection, security investigations, or related cybersecurity disciplines.
Experience working with one or more of the following technologies: SIEM platforms (NetWitness, Microsoft Sentinel, Splunk, QRadar, ArcSight, LogRhythm, etc.) Microsoft Security (Microsoft 365 Defender XDR, Microsoft Sentinel) Endpoint Detection and Response (Microsoft Defender for Endpoint, CrowdStrike, SentinelOne, etc.) IDS/IPS technologies (Trellix/FireEye, Corelight) Threat intelligence platforms (VirusTotal, Google Threat Intelligence, Cisco Talos, Recorded Future, MISP) Vulnerability management tools (Tenable, Qualys, Rapid7) Email security platforms (IronPort ESA, Abnormal.ai, Proofpoint) Cloud security monitoring solutions (Google Wiz, MDCA, Cortex Cloud, Sysdig) Secure Access Service Edge (Zscaler, Prisma, Netskope)
Experience triaging security alerts, analyzing security events, and documenting incident investigations.
Experience with cybersecurity frameworks, incident response processes, and threat detection methodologies.
3 Years Experience triaging security alerts
3 Years Experience analyzing security events
3 Years Experience documenting incident investigations
3 Years Experience with cybersecurity frameworks
3 Years Experience with incident response processes
3 Years Experience with threat detection methodologies
3 Years Experience in cybersecurity operations
3 Years Experience in security monitoring
3 Years Experience in incident response
3 Years Experience in threat detection
3 Years Experience in security investigations
3 Years Experience in related cybersecurity disciplines

Nice To Haves

Please See Job Description Section for more specific Preferred and Required Skills.

Responsibilities

Monitors, analyzes, and triages cybersecurity alerts generated by Security Information and Event Management (SIEM), Endpoint Detection and Response (EDR), cloud security, email security, identity protection, and network security platforms.
Conducts initial investigations of detected and reported security events to determine severity, scope, impact, and potential risk to agency operations.
Identifies, validates, and prioritizes potential cybersecurity incidents, escalating confirmed threats to Incident Response, Threat Hunting, or SOC Engineering teams according to established procedures.
Correlates security events from multiple data sources, including endpoints (EDR), firewalls, intrusion detection systems (IDS), intrusion prevention systems (IPS), cloud services, authentication systems, and threat intelligence feeds.
Reviews and analyzes indicators of compromise (IOCs), suspicious network activity, phishing emails, malware detections, and anomalous user behavior.
Documents investigations, findings, and response actions in ticketing and case management systems to ensure accurate tracking and reporting.
Assists with incident containment, eradication, and recovery efforts by coordinating with technical teams and stakeholders.
Reports and escalates to the CSOC Team Lead and/or SOC Manager.
Supports the continuous improvement of threat detection capabilities through alert tuning, process refinement, threat intelligence integration, and identification of false-positive trends.
Performs vulnerability assessment reviews and evaluates identified vulnerabilities for potential risk and remediation prioritization.
Supports development and maintenance of operational procedures, playbooks, workflows, and knowledge base articles related to threat detection and incident response.
Researches emerging cyber threats, attack techniques, tactics, and procedures (TTPs) to improve detection and response effectiveness.
Participate in incident response, escalation, and after-action review activities as needed.
Support enterprise security monitoring for systems that process, store, or transmit sensitive information.
Follow HHSC policies, procedures, standards, and applicable state and federal security requirements.
Maintain accurate operational documentation, investigation notes, metrics, and leadership-ready summaries.
Must be able to provide support outside of normal business hours during high-priority security incidents, as approved by the SOC Manager.