Affinity

Network Security Analyst

Affinity$95K — $115K *
Information Technology
5 - 7 years of experience
Job Overview by Ladders

Qualifications

  • 5-7 years of experience in cybersecurity operations, monitoring, and incident response.
  • Proficient in using SIEM and EDR technologies for threat detection and analysis.
  • Experience with cybersecurity frameworks like NIST and incident response processes.
  • Skilled in documenting security incidents and conveying technical information effectively.
  • Knowledgeable in both Windows and Linux environments, network protocols, and security tools.

Responsibilities

  • Monitor and analyze security alerts from various platforms using SIEM and EDR tools.
  • Conduct investigations on detected security events to assess severity and risk.
  • Prioritize and escalate confirmed threats to relevant incident response teams.
  • Correlate incidents from multiple data sources to identify potential breaches.
  • Document all investigations, findings, and response actions for tracking and reporting.

Benefits

  • Participation in high-impact incident response activities.
  • Opportunity to work in a collaborative Cybersecurity Operations Center environment.
  • Exposure to cutting-edge cybersecurity technologies and practices.
  • Conducive learning environment for continuous improvement of skills and processes.
  • Potential for development in operational documentation and procedural support.
Full Job Description
City : Austin

State : Texas

Neos is Seeking a Network Security Analyst fora long-term contract role with our client in Austin, TX.

***ONSITE -ONLY CANDIDATES CURRENTLY RESIDING IN THE AUSTIN, TX AREA

(within 50 miles) WILL BE CONSIDERED***

Position is FULLY ONSITE onsite-No Remote Work(Austin, TX 78751)

No calls, no emails, please respond directly to the "apply" link with your resume and contact details.

DESCRIPTION OF SERVICES

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. DISCLAIMER: Candidates for this position will be subject to a pre-employment security review to determine employment eligibility.

Job Summary

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.

Essential Job Functions

  • 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.

Knowledge, Skills, and Abilities

Knowledge of:

  • Cybersecurity Operations Center (CSOC/SOC) operations and best practices.
  • Security incident triage, analysis, investigation, and escalation procedures.
  • Security monitoring technologies, including SIEM, EDR/XDR, IDS/IPS, firewalls, endpoint security solutions, and cloud security platforms.
  • Common cyber threats, attack vectors, malware, phishing campaigns, insider threats, and advanced persistent threat (APT) techniques.
  • Threat intelligence concepts, indicators of compromise (IOCs), indicators of attack (IOAs), and MITRE ATT&CK methodologies.
  • Windows, Linux, networking protocols, Active Directory, Microsoft Entra ID, cloud environments, and enterprise security controls.
  • Incident response lifecycle and cybersecurity frameworks such as NIST Cybersecurity Framework, NIST Incident Response guidance, and PICERL.

Skill in:

  • Security event analysis and threat triage.
  • Correlating and interpreting data from multiple cybersecurity tools.
  • Investigating suspicious activity and identifying indicators of compromise.
  • Using SIEM, EDR/XDR, threat intelligence, vulnerability management, and case management platforms.
  • Producing clear documentation, incident reports, and technical communications.
  • Prioritizing and managing multiple investigations in a fast-paced operational environment for a large organization.
  • Knowledge of and experience with query languages such as KQL, Lucene, SPL, ESQL, etc.
  • Knowledge of and experience with scripting languages such as PowerShell, Python, Bash, etc.

Ability to:

  • Analyze complex security events and distinguish legitimate threats from false positives.
  • Make risk-based decisions during incident investigations.
  • Execute established incident response and escalation procedures.
  • Collaborate effectively with security engineers, incident responders, system administrators, CISO leadership, and business stakeholders.
  • Communicate technical information clearly to both technical and non-technical audiences.
  • Work independently and as part of a 24x7 cybersecurity operations team.

Preferred Education and Certifications

  • Graduation from an accredited four-year college or university with major coursework in cybersecurity, information security, computer science, computer information systems, management information systems, or a related field is preferred. Relevant education and experience may be substituted for one another.
  • One or more of the following certifications are preferred:
  • CompTIA Security+
  • GIAC Certified Incident Handler (GCIH)
  • GIAC Certified Intrusion Analyst (GCIA)
  • Certified SOC Analyst (CSA)
  • Microsoft Cybersecurity Analyst (SC-200)
  • Other GIAC or SOC-related certifications


Required Qualifications

  • 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.


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 company 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.


CANDIDATE SKILLS AND QUALIFICATIONS

Required Skills/Experience

  • 3 years - Required - Experience triaging security alerts
  • 3 years - Required - Experience analyzing security events
  • 3 years - Required - Experience documenting incident investigations
  • 3 years - Required - Experience with cybersecurity frameworks
  • 3 years - Required - Experience with incident response processes
  • 3 years - Required - Experience with threat detection methodologies
  • 3 years - Required - Experience in cybersecurity operations
  • 3 years - Required - Experience in security monitoring
  • 3 years - Required - Experience in incident response
  • 3 years - Required - Experience in threat detection
  • 3 years - Required - Experience in security investigations
  • 3 years - Required - Experience in related cybersecurity disciplines


Preferred Skills/Experience

  • 5 years - Preferred - Please See Job Description Section for more specific Preferred and Required Skills.

#DICE

#LI-IC

About Affinity

Affinity’s patented technology structures and analyzes millions of data points across emails, calendars, and third-party sources to offer users the tools they need to automatically manage their most valuable relationships, prioritize important connections, and discover untapped opportunities. Affinity uses artificial intelligence to analyze relationship strength and illuminate the best paths to warm introductions. The platform also offers a holistic view of users’ networks in a centralized, automatically updated database without any manual upkeep. Founded in 2014, Affinity is headquartered in San Francisco, California. Affinity has raised $120M to date and is backed by leading investors including Menlo Ventures, Advance Venture Partners, 8VC and MassMutual Ventures. It has over 2,700 customers in 70 countries, including venture capital firms such as Bain Capital Ventures and Kleiner Perkins, private equity firms such as SoftBank Group, investment bankers such as Woodside Capital Partners, financial services firms such as Fidelity Investments, real estate companies such as Tishman Speyer, insurers such as American Family Insurance and enterprises such as Nike, Qualcomm and Twilio. Affinity has been named in Fortune Magazine's Best Workplaces, Inc. Magazine's Best Workplaces and editor's number one pick, the Data Breakthrough Award, BIG Innovation Award and others.
Learn more about Affinity
Size
1,000 employees
Industry
Founded
2014

Similar Jobs

More Jobs at Affinity

More Information Technology Jobs

Find similar Network Security Analyst jobs: