Network Security Analyst 1770

Austin, Texas

5 days ago

Job Description

Sistema Technologies is a Texas-based IT staffing and IT delivery firm that has proudly served Texas state and local government agencies since 2002. As one of the top 10 Texas DIR ITSAC vendors, we specialize in providing highly qualified IT professionals and comprehensive, full-lifecycle technology delivery services. We offer competitive compensation and benefits, while making our consultants our highest priority by supporting their professional growth, career success, and overall well-being.

Sistema is looking for a Network Security Analyst with our government client based in Austin, TX for a 1-year position.

Job Description
The Network Security Analyst II performs advanced cybersecurity and network security analysis work in support of HHSC’s enterprise security operations. This role is responsible for monitoring, detecting, investigating, and responding to security events across on-premises, cloud, and endpoint environments. The ideal candidate is a hands-on security operations professional with strong experience across SIEM, SOAR, EDR, network detection, and incident response platforms. This role requires sound judgment, technical depth, attention to detail, and a strong commitment to protecting HHSC systems, data, and services that support the health and well-being of Texans.
Essential Job Functions

Monitor security alerts, logs, network events, endpoint telemetry, and threat intelligence feeds.
Analyze suspicious activity, anomalous network behavior, malware indicators, endpoint detections, and SIEM correlation events to determine scope, impact, and required response actions.
Perform incident triage, investigation, escalation, containment coordination, and documentation in alignment with HHSC security operations procedures.
Develop, tune, and maintain detection rules, dashboards, alerts, playbooks, and queries to improve visibility across network, endpoint, identity, and cloud environments.
Support threat hunting activities using KQL, SPL, packet/session analysis, endpoint telemetry, and other investigative techniques.
Assist with vulnerability, risk, and control assessments for network security infrastructure and enterprise information systems.
Document findings, prepare incident reports, track corrective actions, and communicate technical information to security leadership and business stakeholders.
Collaborate with network, infrastructure, cloud, endpoint, and application teams to validate security events and implement risk mitigation measures.
Maintain awareness of emerging cyber threats, attack techniques, indicators of compromise, and security best practices relevant to healthcare and public-sector environments.
Support compliance, audit, and reporting activities by providing evidence, metrics, and security operations documentation as requested.

Required Qualifications

Minimum of seven years of experience in cybersecurity, network security, security operations, incident response, or a closely related information security role.
Hands-on experience with Microsoft Sentinel, including incident management, analytics rules, workbooks, automation, data connectors, and Kusto Query Language.
Experience using SIEM for log analysis, alert investigation, dashboarding, correlation searches, and security monitoring.
Experience with NDR for network traffic analysis, packet/session investigation, threat detection, and incident support.
Experience with EDR tools, including endpoint alert triage, device investigation, advanced hunting, and response actions.
Working knowledge of network security concepts, including firewalls, IDS/IPS, proxy logs, DNS, VPN, TCP/IP, segmentation, and secure network architecture.
Ability to analyze complex security events, correlate data across multiple sources, and produce clear written documentation and recommendations.
Knowledge of security frameworks, standards, and regulatory considerations such as NIST, CIS Controls, HIPAA, and state information security requirements.
Strong communication, collaboration, problem-solving, and analytical skills.

Preferred Education and Certifications

Bachelor’s degree in cybersecurity, computer science, information systems, information technology, or a related field. Relevant experience may be considered in place of education where applicable.
Microsoft security certifications are strongly preferred, such as Microsoft Certified: Security Operations Analyst Associate, Microsoft Certified: Cybersecurity Architect Expert, Microsoft Certified: Azure Security Engineer Associate, or Microsoft 365 Defender-related certifications.
Additional preferred certifications include CompTIA Security+, CySA+, GIAC security certifications, CISSP, CISM, CISA, Splunk Core Certified Power User, Splunk Enterprise Security Certified Admin, or SentinelOne product certifications.

Knowledge, Skills, and Abilities

Knowledge of SIEM, SOAR, EDR, XDR, network detection and response, log management, and threat intelligence concepts.
Skill in writing and interpreting KQL, SPL, and security queries to support investigations and reporting.
Skill in identifying indicators of compromise, attacker tactics, suspicious network patterns, and endpoint-based threats.
Ability to prioritize alerts, document investigative steps, and escalate incidents based on severity and business impact.
Ability to work independently and collaboratively in a security operations environment with shifting priorities and time-sensitive incidents.
Ability to communicate cybersecurity risks, findings, and recommended actions to both technical and non-technical audiences.

Work Expectations

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.
May be required to provide support outside normal business hours during high-priority security incidents or planned maintenance activities.

The position is expected to work onsite at HHSC in Austin, TX full-time, Monday - Friday during agency business hours.

Minimum Requirements: Candidates that do not meet or exceed the minimum stated requirements (skills/experience) will be displayed to customers but may not be chosen for this opportunity.
Actual Years Experience	Years Experience Needed	Required/ Preferred	Skills/Experience
	7		Knowledge of SIEM, SOAR, EDR, XDR, NDR
	7		Experience with security log collection and management
	7		Experience with threat intelligence concepts
	7		Skill in writing and interpreting KQL, SPL, and security queries to support investigations and reporting
	7		Experience in SIEM platform/architecture support
	7		Experience in detection engineering methodology and implementation
	10	Preferred	Knowledge of SIEM, SOAR, EDR, XDR, NDR
	10	Preferred	Experience with security log collection and management
	10	Preferred	Experience with threat intelligence concepts
	10	Preferred	Skill in writing and interpreting KQL, SPL, and security queries to support investigations and reporting
	10	Preferred	Experience in SIEM platform/architecture support
	10	Preferred	Experience in detection engineering methodology and implementation

Numbers & Facts

Location

Austin, Texas

Skills

Analysis Skillsunmatched
Automationunmatched
Best Practicesunmatched
CISA - Certified Information Systems Auditorunmatched
CISM - Certified Information Security Managerunmatched
CISSP - Certified Information Systems Security Professionalunmatched
Cloud Computingunmatched
Communication Skillsunmatched
CompTIA - Computing Technology Industry Associationunmatched
CompTIA Security+unmatched
Compensation and Benefitsunmatched
Computer Scienceunmatched
Computer Securityunmatched
Corrective Actionunmatched
DNS (Domain Name System)unmatched
Database Programming Languagesunmatched
Detail Orientedunmatched
Documentationunmatched
Enterprise Protectionunmatched
Establish Prioritiesunmatched
Event Correlationunmatched
Firewallsunmatched
GIAC - Global Information Assurance Certificationunmatched
Governmentunmatched
HIPAA (Health Insurance Portability and Accountability Act)unmatched
Huntingunmatched
Incident Managementunmatched
Incident Responseunmatched
Information Technology & Information Systemsunmatched
Information/Data Security (InfoSec)unmatched
Internet Securityunmatched
Intrusion Detection Systemsunmatched
Intrusion Prevention Systemsunmatched
Investigative Reportsunmatched
Leadershipunmatched
Local Governmentunmatched
Malwareunmatched
Metricsunmatched
Microsoft Certificationsunmatched
Microsoft Product Familyunmatched
Microsoft Windows Azureunmatched
Network Architecture/Engineeringunmatched
Network Performance/Analysisunmatched
Network Securityunmatched
Network Traffic Analysisunmatched
Operational Auditunmatched
Operations Processesunmatched
Patient Assessmentunmatched
Problem Solving Skillsunmatched
Public Healthunmatched
Regulationsunmatched
Reporting Dashboardsunmatched
Reporting Skillsunmatched
Risk Analysisunmatched
Risk Managementunmatched
Security Analysisunmatched
Security Attacksunmatched
Security Information and Event Management (SIEM)unmatched
Security Infrastructureunmatched
Security Monitoringunmatched
Splunkunmatched
State Governmentunmatched
TCP/IP (Transmission Control Protocol/Internet Protocol)unmatched
Technical Deliveryunmatched
Technical Recruitingunmatched
Telemetryunmatched
U.S. National Institute of Standards and Technology (NIST)unmatched
VPN (Virtual Private Network)unmatched

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Network Security Analyst 1770

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