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Network Segmentation Analyst

  • Texas, Westlake

  • 07/02/2026

  • Contract

  • Active

Job Description:

  • JOB SUMMARY
    We are seeking a thorough and proactive Data Analyst to support a workstream within our network segmentation program. The ideal candidate will have 2–5 years’ experience analyzing large data sets consisting of both log and telemetry data to formulate network-based security policies in support of cyber network segmentation policy. Success in this role includes producing validated application flow maps and enabling enforcement of least-privilege network policies. As a valued team member, you will help ensure secure and compliant access across secure network boundaries, with a solid understanding of routing, firewall and IPS/IDS controls.

    Key Responsibilities
    Analyze network traffic data (NetFlow, logs, packet captures) to identify application communication patterns and dependencies
    Develop and refine network segmentation policies aligned with security standards and Zero Trust principles
    Partner with engineering, cybersecurity, and application teams to validate dependencies and enforce least privilege connectivity
    Translate flow data and CMDB information into application dependency mappings
    Support implementation and tuning of policies across firewalls and security platforms (e.g., Cisco Firepower, IDS/IPS)
    Contribute to governance and compliance activities, ensuring adherence to internal policies and regulatory requirements
    Document findings, produce reports, and communicate insights to technical and non-technical stakeholders
    Identify opportunities to improve segmentation effectiveness and reduce attack surface

    Required Qualifications
    Bachelor’s degree in Information Security, Computer Science, or related field preferred.
    2–5 years of hands-on experience in data analysis with a focus familiarity of network and network security.
    Experience supporting enterprise-level network environments
    Working knowledge of Splunk and Cisco Firepower in an enterprise environment.
    Familiarity with regulatory frameworks such as SOX, HIPAA, ISO 27001, or NIST.
    Strong analytical and problem-solving skills.
    Excellent communication and documentation abilities.

    Preferred Qualifications
    Experience with scripting or automation (e.g., PowerShell, Python).
    Cisco Firepower, Check Point and Juniper firewall security policy management
    Snowflake and analytics visualization experience with Tableau/PowerBI.
    Understanding Zero Trust principles and least privilege access models.

    Certifications
    Certifications such as CISSP, CISM, or vendor-specific IAM/PAM certifications

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