Network Security Engineer - Cybersecurity Job at InterSources Inc, New York, NY

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  • InterSources Inc
  • New York, NY

Job Description

Overview

Are you passionate about protecting digital assets and ensuring robust cybersecurity? We are seeking a dedicated and motivated Cybersecurity Network Engineer to join our team. Collaborate with engineers to secure network, cloud, and system infrastructure through implementing controls and monitoring.

You Will:

  • Work with engineering teams to define and fulfill operational requirements while upholding the highest standards of security protocols and compliance.
  • Monitor and maintain security for network, cloud, PKI, and system environments, implementing controls to safeguard information systems, applications, and infrastructure.
  • Ensure access control systems effectively prevent unauthorized modification, destruction, or disclosure of sensitive information.
  • Monitor, assess, and and respond to security risks in systems, networks, and clouds; identify causes, threats, and suggest solutions in accordance with established policies.
  • Conduct security risk and vulnerability assessments, as well as business impact analyses for threats of moderate complexity in both on-premises and cloud environments.
  • Provide expert troubleshooting and support for complex security-related issues that have been advanced, including those beyond the Help Desk’s scope.
  • Develop detailed reports to pinpoint security risks and propose suitable mitigation strategies.
  • Oversee and resolve user access issues, enforce least-privilege principles, and develop solutions to prevent future access-related security concerns.
  • Assist with internal and external audits, providing necessary evidence and contributing to change management reporting and security impact assessments.
  • Manage cloud security services like cloud proxy/VPN and XDR platforms for secure access and threat detection.
  • Support PKI infrastructure, including certificate lifecycle management and secure key handling.
  • Operate and monitor cloud network components and integrations, applying Secure Access Service Edge (SASE) principles to protect distributed users and cloud access.
  • Implement and maintain network security controls such as firewalls, IDS/IPS, segmentation strategies, and enforce access control policies (ACLs, NACLs, identity-based segmentation) across hybrid environments.
  • Investigate, contain, and resolve network-based security incidents, and contribute to comprehensive post-incident reviews.
  • Collaborate with network and cloud engineering teams to ensure the secure design and implementation of cloud-native and hybrid solutions.

You Have:

  • Proven experience in information security, cybersecurity operations, or a related field.
  • Hands-on experience with cloud-based security services, network security controls, and incident response.
  • Familiarity with SASE, firewalls, IDS/IPS, PKI infrastructure, and certificate management.
  • Strong analytical and problem-solving skills, with the ability to assess complex security risks and develop effective mitigation strategies.
  • Excellent communication and collaboration abilities.
  • Relevant certifications (e.g., CISSP, CISM, CEH, or similar) are a plus.

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