Network Engineer

Network Engineer Location: Westlake, TX or Merrimack, NH On-site/Remote/Hybrid: Onsite Duration: 6+ Months Work Authorization: Candidates must be authorized to work in the U.S. No current or future sponsorship (including H1B transfers or OPT) will be accepted. Position 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. 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 on 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 Skills Experience with scripting or automation (PowerShell, Python). Cisco Firepower, Check Point, and Juniper firewall security policy management. Snowflake and analytics visualization experience with Tableau or Power BI. Understanding of Zero Trust principles and least privilege access models. Certifications such as CISSP, CISM, or vendor-specific IAM/PAM certifications. About Us: InterSources Inc InterSources Inc is a Small, Woman, and Minority-Owned Business Enterprise, ISO/IEC 27001, SOC 2 Type 2 certified company with massive 18+ years of diversified experience in providing IT Consulting Services, Artificial Intelligence, Data Analysis, Application Development, Cloud Services, Cybersecurity, Digital Marketing, ERP Management, Custom Software Development, Web Development, UI/UX Design, System Integration, QA Support etc. We make reasonable accommodations for clients and employees, and we do not discriminate based on any protected attribute including race, religion, color, national origin, gender sexual orientation, gender identity, age, or marital status. We also are a Google Cloud and Oracle partner company. InterSources