Senior Network Security Engineer

3 days ago

Richardson, Texas, United States InfoVision Full time
Job Title: Infrastructure Security L3 Engineer

InfoVision is seeking a highly skilled Infrastructure Security L3 Engineer to join our team. As a key member of our security team, you will be responsible for maintaining and securing our organization's infrastructure at an advanced level.

Key Responsibilities:
  • Implement and manage SAML-based authentication systems to support Single Sign-On (SSO) across various applications.
  • Configure and manage DUO Security solutions, implementing robust multi-factor authentication (MFA) across the organization.
  • Administer, configure, and monitor firewall rules and policies to ensure the security of network traffic.
  • Manage and monitor antivirus (AV) software to protect infrastructure from viruses, malware, and other security threats.
  • Implement and manage DNS security solutions, preventing DNS-based attacks and ensuring domain name resolution integrity.
  • Utilize NinjaOne Remote Monitoring and Management (RMM) tool to monitor, manage, and maintain endpoint security across the network.
  • Manage and secure network-attached storage (NAS) and other storage solutions to ensure data integrity and availability.
  • Oversee network monitoring tools, analyzing real-time data to detect potential threats, bottlenecks, or performance issues.
  • Perform regular backups of databases and conduct restoration testing to ensure data can be recovered effectively in the event of a disaster or failure.
Requirements:
  • CCNP (Cisco Certified Network Professional) certification required.
  • Security certifications such as CompTIA Security+, Certified Information Systems Security Professional (CISSP), or Cisco Security certifications are preferred.
  • Strong understanding of SAML, identity providers, and the integration of SSO solutions across diverse platforms.
  • Hands-on experience with DUO Security, firewalls (FW), antivirus (AV) management, and DNS security.
  • Proficiency with NinjaOne or similar remote monitoring and management (RMM) tools for monitoring and securing endpoints.
  • Advanced knowledge of network storage solutions and best practices for data management and backup.
  • Experience managing and securing network infrastructure, including switches, routers, and NAS.
  • Experience performing database backups, restoration testing, and ensuring data recovery processes are functional and reliable.
  • In-depth experience with network monitoring tools to detect and resolve security or performance issues.
Preferred Qualifications:
  • CCNP Security or other advanced networking security certifications.
  • Familiarity with ITIL-based processes for incident and change management.
  • Experience with cloud-based security solutions and hybrid network environments.
Soft Skills:
  • Strong analytical and problem-solving skills with a focus on security and operational efficiency.
  • Excellent communication skills, both verbal and written, with the ability to explain complex security concepts.
  • Ability to work independently and as part of a cross-functional team.

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