Network Security Senior Specialist Job at NTT DATA (Bangalore)

Network Security Senior Specialist

We are currently seeking a Network Security Senior Specialist to join our team i...

Location

India , Bangalore

Salary:

Not provided

NTT DATA

Expiration Date

Until further notice

Requirements

Strong hands-on with Aruba CX / ProCurve switches
Good knowledge of Layer 2 & Layer 3 networking
Experience with network monitoring and troubleshooting tools
Bachelor's degree (Recommended) in computer science, Information Technology or related fields

Job Responsibility

Configure and manage Aruba switches (CX/ProCurve)
Implement VLANs, STP, LACP, routing (OSPF, static)
Perform switch upgrades, patching, and maintenance
Troubleshoot L2/L3 network issues
Ensure high availability and redundancy in LAN design

Fulltime

Network Security Senior Specialist Advisor

The Network Security Senior Specialist Advisor will engage in daily maintenance ...

Location

India , Noida

Salary:

Not provided

NTT DATA

Expiration Date

Until further notice

Requirements

At least 12 years of experience in network security administration
Hands on experience with Palo Alto, Prisma, Fortinet
Strong troubleshooting skills around Palo Alto Firewalls
Expert knowledge on Palo Alto url filtering, Vulnerability protection, AV, Anti-spyware profiles
Strong knowledge on App-id, use of app filters
Expert in troubleshooting issues with packet captures, debugs on Pal Alto and Fortinet FW
Solid understanding of the template/stack architecture
Highly experience architect with proven knowledge on products likes Firewalls (Palo Alto), F5, Prisma SASE, EIGRP, OSPF, BGP and switching technologies
Understanding the integration with authentication protocols such as LDAP, IWA, IWA-direct, SSO, Active directory
At least 2 mid-level certification in Network security from any of the vendors like Cisco, Palo Alto

Job Responsibility

Engage in daily maintenance and operations of Firewall and Prisma products
Work on Requests, Changes, Incidents and Problem records to support customers’ network security environment
Implement Network Security solutions and provide operational support in a customer environment
Provide technical escalation to L2 support engineers
Write custom queries on Palo Alto to fetch reporting data
Provide On-call support for high severity incidents in a 24x7 environment
Ensure that Service Level Agreements and operational standards are met
Perform system maintenance, checkups and maintain current documentation
Provide resolution plans for device issues
Propose service, process, and technical improvements to management

Senior Manager-Network Security Specialist

We are seeking a Network Security Specialist to join our Network Security team a...

Location

India , Bangalore

Salary:

Not provided

Vodafone

Expiration Date

Until further notice

Requirements

7–10 years of experience in network and application security
Strong understanding of Network Security, SASE, Zscaler, and firewall administration
Expertise in Zscaler offerings including ZPA, ZDTA, and ZDTE
Experience in implementing web security solutions such as Secure Web Gateway, Cloud Firewall, DLP, SSL Inspection, Cloud Sandbox, CASB, and Cyber Threat Protection
Proficient in Fortinet Firewall and 2FA/PKI infrastructure
Excellent communication skills in English
Confident working independently and remotely
Expert in any firewall (Cisco ASA, Checkpoint, Fortinet preferred)
Minimum 4 years’ experience with Fortinet Firewalls, FortiManager, and FortiAnalyzer
Expert in proxy technologies (Zscaler preferred)

Job Responsibility

Collaborate with customers to integrate Vodafone Security products and services into their architecture and operations
Implement new products and services in coordination with project management and customer teams
Provide Level 3 operational support for Change, Incident, and Problem management in complex networking environments
Manage incident and change ticket queues effectively
Participate in team training initiatives to enhance technical and soft skills
Balance business and user needs with technical constraints, recommending alternative approaches and leading engineering efforts

What we offer

Opportunity to work on cutting-edge network security technologies and global projects
Exposure to enterprise-level security architecture and operations
Collaborative work environment with diverse teams across geographies
Continuous learning and development through training initiatives

Senior Technical Specialist MS - Network Security Engineer L4

As a Cross Technology Managed Services Engineer (L3) at NTT DATA, your primary r...

Location

India , Mumbai

Salary:

Not provided

NTT DATA

Expiration Date

Until further notice

Requirements

Extensive Managed Services experience handling complex cross-technology infrastructure
Strong understanding of ITIL processes
Proven experience working with vendors and/or third parties
Ability to communicate and work across different cultures and social groups
Effective planning skills, even in changing circumstances
Positive outlook and ability to work well under pressure
Active listening skills and adaptability to changing client needs
Client-focused approach to create positive client experiences throughout their journey
Bachelor's degree or equivalent qualification in IT/Computing (or demonstrated equivalent work experience)

Job Responsibility

Proactively identifying and resolving technical incidents
Ensuring client infrastructure is configured, tested, and operational
Pre-emptive service incident resolution, product reviews, and operational improvements
Managing high-complexity tickets, performing advanced tasks, and providing diverse solutions while ensuring zero missed service level agreement (SLA) conditions
Mentoring junior team members and working across various technology domains such as Cloud, Security, Networking, and Applications
Conducting necessary checks, applying monitoring tools, and responding to alerts
Logging incidents with the required level of detail, analysing, assigning, and escalating support calls
Proactively identifying opportunities for optimization and automation
Creating knowledge articles for frequent tasks/issues and training junior team members
Providing inputs to automation teams to reduce manual efforts

Fulltime

Senior Network Specialist

We are looking for a Senior Network Specialist for our client.

Location

Turkey , Istanbul

Salary:

Not provided

Randstad

Expiration Date

July 31, 2026

Requirements

Bachelor's degree in Computer Science, Information Technology or a related field
Minimum 8 years of experience in related areas
Strong verbal and written communication skills in English
Advanced knowledge of configuration and operation of general network equipment’s, Router, switch, WLC, AP, etc.
Minimum of 5 years of experience in security products such as Firewall, WAF, Load Balancer
Experienced in operating Log Management and Network Monitoring applications
Strong analytical and problem-solving skills, with the ability to diagnose and resolve complex technical issues
Experienced in SDN, Cloud Networking and Security
Open to travel

Job Responsibility

Design, implement and maintain network systems of the global company
Assignment and supervision of tasks to team members for the execution of operational processes
Engage actively in projects conducted by the Network and Network Security department
Contribute actively to the support and consultancy procedures managed by the department, extending assistance to both domestic and international group companies
Contribute to enhancing and developing the existing system's sustainability

Fulltime

Network Security Specialist Advisor

The Network Security Specialist Advisor role requires a minimum of 7 years of ex...

Location

India , Noida

Salary:

Not provided

NTT DATA

Expiration Date

Until further notice

Requirements

Minimum 7 years of experience for Network Security Senior Specialist
9 Years for Network Security Advisor
11 years and above for Network Security Specialist Advisor
SME in multiple firewall and proxy platforms like Cisco ASA FTD, Palo Alto Firewalls, Fortinet firewalls Bluecoat Proxy (BroadCom) and Cloud Proxies
Perform 24x7 shift coverage with On call Support over weekends

Job Responsibility

Transition and Deploy firewalls and proxies
Creating Network Diagrams, SOPs and maintaining Risk Register
provide steady state support to the team that involves request tasks, incident management and Change creation and deployment
Represent Network security changes in CAB review Meetings
Perform upgrades to firewalls and proxy and mitigate vulnerabilities

Fulltime

Senior Network Specialist

Location

Poland

Salary:

Not provided

Devire

Expiration Date

Until further notice

Requirements

Minimum 5 years of experience in network administration within distributed, multi-site environments (retail preferred)
Expert-level knowledge of Fortinet solutions (FortiGate, FortiManager, FortiAnalyzer)
Strong hands-on experience with Azure Networking (VNet, peering, site-to-site VPN, vWAN)
Solid understanding of routing protocols (BGP, OSPF) and VLAN configuration
Basic working knowledge of Microsoft Cloud environments (Entra ID, Azure IaaS) to support cross-team operations
Fluency in English
Strong sense of ownership and responsibility for critical infrastructure
Problem-solving mindset with the ability to diagnose complex distributed network issues

Job Responsibility

Designing, implementing, and maintaining the company-wide SD-WAN network based on Fortinet solutions across retail stores and headquarters
Managing Azure networking components, including Virtual Networks, VPN Gateways, ExpressRoute, and Network Security Groups to ensure secure hybrid connectivity
Configuring, maintaining, and troubleshooting FortiGate firewalls, switches, and access points, including security policies and firmware updates
Monitoring network performance and security logs, proactively identifying and resolving bottlenecks and threats
Acting as a 3rd line (L3) escalation point for critical network incidents
Mentoring and supporting the Junior Infrastructure Specialist (L2) in daily network operations
Cooperating closely with the Senior Cloud Specialist to ensure seamless integration between network and cloud layers
Providing operational backup for cloud-related tasks during absences (basic Azure administration, VM management)
Creating and maintaining network documentation, topology diagrams, and standards
Managing ISP vendors and coordinating connectivity rollouts for new retail locations

What we offer

Subsidy for subscription-based employee benefits
Preferential terms for joining the Medicover Sport / MultiSport sports package, the group insurance plan from NN Group, and medical care from Lux Med
Access to a cafeteria benefits platform

Network Security Specialist Advisor - firewalls and proxies

We are currently seeking a Network Security Specialist Advisor - firewalls and p...

Location

India , Noida

Salary:

Not provided

NTT DATA

Expiration Date

Until further notice

Requirements

Minimum 7 years of experience for Network Security Senior Specialist
9 Years for Network Security Advisor
11 years and above for Network Security Specialist Advisor
SME in multiple firewall and proxy platforms like Cisco ASA FTD, Palo Alto Firewalls, Fortinet firewalls Bluecoat Proxy (BroadCom) and Cloud Proxies

Job Responsibility

Transition and Deploy firewalls and proxies
Creating Network Diagrams, SOPs and maintaining Risk Register
provide steady state support to the team that involves request tasks, incident management and Change creation and deployment
Represent Network security changes in CAB review Meetings
Perform upgrades to firewalls and proxy and mitigate vulnerabilities
Perform 24x7 shift coverage with On call Support over weekends

Fulltime

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Network Security Senior Specialist

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