Network Security Architect

3 days ago


Chicago, Illinois, United States DV Trading Full time
Job Overview

We are seeking a skilled Network Security Engineer to join our team at DV Trading, a leading financial services firm. The ideal candidate will have extensive hands-on experience with firewalls, network security tools, and protocols, ensuring our organization maintains a strong security posture.

Key Responsibilities

  • Design, implement, and maintain secure network architectures, including LAN, WAN, VPN, and cloud networks.
  • Configure, manage, and troubleshoot firewalls, IPS, IDS, and other network security devices.
  • Configure, manage, and troubleshoot web security controls, such as CASB and SWG.
  • Monitor security alerts, responding to security incidents in a timely manner.
  • Develop and enforce network security policies, standards, and best practices.
  • Implement firewall rule sets, access control lists, and policies for intrusion detection/prevention systems (IDS/IPS).
  • Monitor and scan our perimeter to identify potential risks.
  • Collaborate with cross-functional teams to ensure secure integration of new applications and services into the network.
  • Stay updated on the latest security trends, vulnerabilities, and emerging technologies to proactively mitigate threats.
  • Participate in on-call after-hours rotation to provide timely support for security events and incidents.

Requirements

  • Experience in network security engineering or related field.
  • Proficiency in firewall management and network security protocols.
  • Experience with Juniper and Palo Alto firewalls is highly preferred.
  • Experience with capturing, analyzing, and interpreting network packet captures.
  • Experience with designing, implementing, and troubleshooting site-to-site and client-based VPNs.
  • Strong understanding of networking concepts, including routing, switching, and NAT.
  • Experience with dynamic routing protocols.
  • Hands-on experience with IDS/IPS, SIEM tools, and network monitoring tools.
  • Knowledge of encryption technologies, authentication protocols, and threat detection methods.
  • Familiarity with cloud security concepts related to AWS, Azure, and GCP is a plus.
  • Experience with SD-WAN solutions and cloud network security.
  • Familiarity with automation and scripting (Python, Ansible) for network tasks.
  • Strong analytical, troubleshooting, and problem-solving skills.
  • Ability to manage multiple priorities in a fast-paced environment.
  • Excellent verbal and written communication skills.
  • Team-oriented mindset with the ability to collaborate effectively across departments.

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