Network Security Specialist

2 meses atrás

Brasília, Distrito Federal, Brasil TNS Inc. Tempo inteiro
Network Security Engineer

At TNS Inc., we are seeking a highly skilled Network Security Engineer to join our team. As a Network Security Engineer, you will be responsible for the configuration, monitoring, management, and troubleshooting of firewalls. You will act as a liaison with local region network engineering and technical support groups to assist and lead in the reviewing, design, and deployment of new services, review existing services, and migration of services/systems.

Key Responsibilities:
  • Function as an internal consulting resource on network security issues, specifically firewall technologies, such as Next Generation Firewall (NGFW), Unified Threat Management (UTM): Cisco ASA, Fortinet, and Juniper SRX.
  • Familiar with implementing firewall security policies.
  • Day-to-day responsibilities include standard change control, troubleshooting issues, configuration, monitoring, and management of firewalls in conjunction with TNS Security/Network engineers and vendor-provided support.
  • Monitor ticket queue application for Firewall Operations trouble tickets for incidents and creation of change requests.
  • Perform recurring maintenance activities, such as device upgrades and patches, with a primary focus on firewalls and on perimeter devices.
  • Be the lead technical resource on projects requiring firewall support, including end-of-life hardware replacement, customer migrations, and buildout of new PoPs.
  • Participate in the Network Security on-call rota to ensure that out-of-hours incidents are responded to in a timely manner.
  • Produce technical process documentation for use within the department.
  • Provide training and knowledge sharing with the rest of the department where required.
  • Be the focal engineer with the Network Security team for the Financial Services Division (FSD).
  • Manage key relationships with security partners and other internal departments.
  • Govern certification, adherence, and compliance to all security requirements as required by TNS.
  • Understand and keep up-to-date with the latest security issues.
  • Sponsor and execute technology and security advancements.
  • Ensure production systems are secure, up-to-date, and vulnerabilities managed in a timely and effective manner.
  • In-depth operational and technical knowledge of cybersecurity concepts, including, but not limited to, Security, Information, and Event Monitoring (SIEM) tools.
  • Work closely with the Director, Security Engineering, and other team members on various projects in the Global IT Security department and escalate security issues to the relevant senior members.
  • IPS/IDS technologies; Signature and pattern-based intrusion detection and prevention systems: Sourcefire and Fortinet.
  • VPN Technologies; IPSEC client & L2L tunnel, SSL client, and clientless connectivity.
  • Follow documented processes, procedures, and policies and maintain documentation related to work area and routinely update architecture diagrams using Visio.
  • Some travel to client sites, conferences, and other events may be necessary.
Requirements:
  • Experience in creating policies in and managing Cisco Identity Services Engine (ISE).
  • Hands-on experience in computer routing and networking, especially with firewall technologies.
  • Hands-on experience with multi-context firewall implementation (Cisco, Fortigate, and Juniper).
  • Must have networking TCP/IP routing protocol experience.
  • Experience analyzing and troubleshooting Access Control Lists (ACLs) and VPN tunnels on firewalls.
  • Experience with firewalls, remote access VPN implementation, troubleshooting, and problem resolution is desired.
  • Experience with Cisco ACS, ISE.
  • Security and networking certifications from organizations such as Cisco, Fortigate, and/or Juniper.
What We Offer:
  • Competitive salary and benefits package.
  • Opportunities for career growth and professional development.
  • Collaborative and dynamic work environment.
  • Recognition and rewards for outstanding performance.

TNS Inc. is an equal opportunity employer and welcomes applications from diverse candidates. We are committed to creating an inclusive and respectful work environment that values diversity and promotes equal opportunities for all employees.

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