[Freelance] Security Network Engineer

Make an impact with NTT DATA
Join a company that is pushing the boundaries of what is possible. We are renowned for our technical excellence and leading innovations, and for making a difference to our clients and society. Our workplace embraces diversity and inclusion – it’s a place where you can grow, belong and thrive.

Your day at NTT DATA

We're currently looking for a Freelance for a long term mission.

What you'll be doing

1. Scope

The role is divided equally between operational tasks and project-based work. Operational tasks include assisting with the implementation of complex requests, continuous improvement, and tightening of the cyber security posture. Project-based work involves the lifecycle management of firewalls, SSE implementation, AlgoSec lifecycles, and improvement projects, as well as SSE migration.

2. Technical Activities

Palo Alto

• Manage the lifecycle of Palo Alto firewalls.
• Install new firewalls.
• Implement SSE Palo Alto Prisma.

Firewall Rules

• Support system deployments from a network security perspective.
• Configure networks/zones and firewall rules.

AlgoSec

• Use Firewall Analyzer to identify shadowed, unused, and duplicate rules/objects.
• Utilize Fireflow to create request forms.
• Leverage AppViz to visualize applications in AlgoSec and assist with Fireflow requests.

Cisco ISE

• Manage Wireless and Wired NAC, currently in open mode but transitioning to closed mode.
• Perform profiling on wired and wireless networks.
• Implement TrustSec and SXP.

Infoblox

• Fine-tune and maintain the existing Infoblox deployment, with escalation support from CoE and FW SME.

3. Specific Focus Areas

Palo Alto

• Provide technical recommendations and improvements.

Firewall Rules

• Support complex firewall rule requirements.

AlgoSec

• Use Firewall Analyzer to identify risky rules.
• Create security matrices in AlgoSec for risk assessment using Fireflow.

Infoblox

• Utilize Infoblox for DHCP and IP management.
• Improve and fine-tune the existing Infoblox implementation.

Other Activities

• Manage specific network projects.
• Create Low-Level Design (LLD) based on High-Level Design (HDL) from architects and implement the solution.
• Write Standard Operational Procedures (SOP).
• Ensure activities remain local after transferring support to the CoE.
• Act as the Business Unit (BU) for the medior profile in BAU support tasks.

4. Skills

• Support the CoE with tasks beyond their capabilities.
• Identify and address knowledge gaps within the CoE through coaching and additional skills.
• Delegate new tasks to the CoE.
• Drive new initiatives and propose improvements to existing technologies and processes.
• Establish a continuous improvement process for the team.

5. Client Special Requirements

• Suggest improvements to existing technologies and processes.
• Be present on-site at least two days per week.

Workplace type:

Hybrid Working

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. We invest over $3.6 billion each year in R&D to help organizations and society move confidently and sustainably into the digital future. 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 also one of the leading providers of digital and AI infrastructure in the world. NTT DATA is part of NTT Group and headquartered in Tokyo.

Equal Opportunity Employer
NTT DATA is proud to be an Equal Opportunity Employer with a global culture that embraces diversity. We are committed to providing an environment free of unfair discrimination and harassment. We do not discriminate based on age, race, colour, gender, sexual orientation, religion, nationality, disability, pregnancy, marital status, veteran status, or any other protected category. Join our growing global team and accelerate your career with us. Apply today.