Network Security Analyst 2

Ampcus, Inc; Austin (TX); On-site; USD 90,000 - 130,000; Full time

Job summary

Ampcus, Inc. is seeking a Network Security Analyst II in Austin, TX to monitor, detect, investigate, and respond to security events across on‑premises, cloud, and endpoint environments.

The role requires hands‑on security operations experience with SIEM, SOAR, EDR, NDR, and incident response platforms. You will develop detection rules, dashboards, playbooks, and queries, support threat hunting, and collaborate with cross‑functional teams to improve security posture while following regulatory

Qualifications

• Minimum seven years of cybersecurity, network security, security operations, or related role.
• Experience with Microsoft Sentinel including incident management, analytics rules, workbooks, automation, data connectors, and KQL.
• Experience with SIEM for log analysis, alert investigation, dashboards, and monitoring.

Responsibilities

• Monitor security alerts, logs, network events, endpoint telemetry, and threat intel feeds.
• Analyze suspicious activity and SIEM events to determine scope and response actions.
• Perform incident triage, investigation, escalation, containment coordination, and documentation.

Skills

SIEM, SOAR, EDR, XDR, NDR

KQL & SPL

Threat hunting concepts

Incident response & security ops

Security reporting & documentation

Education

Bachelor's degree in cybersecurity or related field

Tools

KQL

SPL

Job description

Job Title:

Network Security Analyst 2

Location(s):

Austin, TX

Job Summary

The Network Security Analyst II performs advanced cybersecurity and network security analysis work in support of 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 systems, data, and services.

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 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 (KQL).
• 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.
• Ability to maintain the security and integrity of critical infrastructure systems by preventing unauthorized access and ensuring compliance with applicable laws, regulations, and security requirements.

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
  • Microsoft 365 Defender-related certifications
• Additional preferred certifications include:
  • CompTIA Security+
  • CompTIA CySA+
  • GIAC security certifications
  • CISSP
  • CISM
  • CISA
  • Splunk Core Certified Power User
  • Splunk Enterprise Security Certified Admin
  • 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 elevate 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 applicable policies, procedures, standards, and 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.

Candidate Skills and Qualifications

Minimum Requirements

• 7+ years: Knowledge of SIEM, SOAR, EDR, XDR, and NDR.
• 7+ years: Experience with security log collection and management.
• 7+ years: Experience with threat intelligence concepts.
• 7+ years: Skill in writing and interpreting KQL, SPL, and security queries to support investigations and reporting.
• 7+ years: Experience with SIEM platform/architecture support.
• 7+ years: Experience in detection engineering methodology and implementation.

Preferred Requirements

• 10+ years: Knowledge of SIEM, SOAR, EDR, XDR, and NDR.
• 10+ years: Experience with security log collection and management.
• 10+ years: Experience with threat intelligence concepts.
• 10+ years: Skill in writing and interpreting KQL, SPL, and security queries to support investigations and reporting.
• 10+ years: Experience in SIEM platform/architecture support.
• 10+ years: Experience in detection engineering methodology and implementation.

Additional Information

• Candidates may be subject to a pre-employment security review to determine employment eligibility.
• Candidates may be required to undergo criminal background checks as authorized by applicable law.

Schedule:

• Monday-Friday during agency business hours.

Ampcus is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, protected veterans or individuals with disabilities.