Network Security Senior Specialist Cisco ASA/NextGen FW

Network Security Senior Specialist Cisco ASA/NextGen FW

Date: Oct 3, 2025

Location: Anywhere, MEX, MX

Company: NTT DATA Services

NTT DATA strives to hire exceptional, innovative and passionate individuals who want to grow with us. If you want to be part of an inclusive, adaptable, and forward-thinking organization, apply now.

We are currently seeking a Network Security Senior Specialist Cisco ASA/NextGen FW to join our team in Anywhere, México (MX-MEX), Mexico (MX).

Roles and Responsibilities:

• Work on requests, changes, incidents, and problem records to support customers' network security environment
• Provide technical escalation to L2 support engineers
• Provide on call support for high severity incidents in a 24x7 environment
• Detect security issues, create customer tickets, and manage problems until closure
• Act as point of escalation for the Network Security team and collaborate with internal support teams to ensure timely resolution of issues
• Ensure that Service Level Agreements and operational standards are met
• Perform system maintenance, check-ups and maintain current documentation
• Provide resolution plans for device issues
• Propose service, process, and technical improvements to management

Requirements:

• Mid-level experience and proven knowledge in at least three of different network security products likes Firewalls (Cisco, Palo Alto), Content Filtering (Bluecoats, Websense, McAfee Web gateway) and IDS/IPS
• Mid-level networking troubleshooting skills and extensive knowledge of web connectivity and protocols (WCCP, PAC files, TCP/IP, HTTP, HTTPS, SSL, FTP, Telnet, SSH, etc.)
• Understanding the integration with authentication protocols such as LDAP, IWA, IWA-direct, SSO, Active directory
• At least two mid-level certifications in Network Security from any of the vendors like Cisco, Palo Alto, BlueCoat, SourceFire (PCNSE, CCNP Security etc.)
• Over 6 years of network troubleshooting experience and at least 2 years Network Security administration and design experience
• Bachelor's degree or equivalent experience
• Flexible to changing needs of customer, account, and team
• Drive for results, ability to grasp complex issues to arrive at optimal solutions
• Excellent customer facing communication skills, customer support and knowledge of ITIL best practices

Work Timings: 24/7 work environment, Mexico

About NTT DATA

NTT DATA is a $30 billion trusted global innovator of business and technology services. We serve 75% of the Fortune Global 100 and are committed to helping clients innovate, optimize and transform for long term success. As a Global Top Employer, we have diverse experts in more than 50 countries and a robust partner ecosystem of established and start up companies. Our services include business and technology consulting, data and artificial intelligence, industry solutions, as well as the development, implementation and management of applications, infrastructure and connectivity. We are one of the leading providers of digital and AI infrastructure in the world. NTT DATA is a part of NTT Group, which invests over $3.6 billion each year in R&D to help organizations and society move confidently and sustainably into the digital future. Visit us at

Whenever possible, we hire locally to NTT DATA offices or client sites. This ensures we can provide timely and effective support tailored to each client's needs. While many positions offer remote or hybrid work options, these arrangements are subject to change based on client requirements. For employees near an NTT DATA office or client site, in office attendance may be required for meetings or events, depending on business needs. At NTT DATA, we are committed to staying flexible and meeting the evolving needs of both our clients and employees. NTT DATA recruiters will never ask for payment or banking information and will only email addresses. If you are requested to provide payment or disclose banking information, please submit a contact us form, .

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