Senior Network Security Engineer Job at NTT DATA (Noida)

Senior Network Security Engineer

We are seeking a Senior Network Security Engineer to design, implement, and supp...

Location

United States , Alpharetta

Salary:

Not provided

Robert Half

Expiration Date

Until further notice

Requirements

5–7+ years of experience designing, implementing, and supporting network infrastructure environments
Strong background in network security, firewall administration, routing, and switching technologies
Experience working in a Managed Service Provider (MSP) or multi-client environment supporting multiple networks
Advanced knowledge of networking protocols and technologies including TCP/IP, DNS, NAT/PAT, VLANs, QoS, routing, and switching concepts
Experience implementing secure network segmentation and layered security controls across network infrastructure
Hands-on experience with enterprise firewall platforms and network security policies
Strong troubleshooting and diagnostic skills across complex network environments
Ability to communicate effectively with both technical teams and client stakeholders
Experience with networking and wireless platforms from vendors such as Meraki, Fortinet, Ubiquiti, Ruckus, Aruba, Cisco, or similar technologies
Experience with firewall platforms such as Fortinet, Palo Alto, SonicWall, or comparable solutions

Job Responsibility

Design, deploy, and maintain network infrastructure including routers, switches, wireless networks, and firewalls across multiple client environments
Support enterprise LAN, WAN, and wireless connectivity systems to ensure high availability and performance
Implement and manage networking protocols such as TCP/IP, VLANs, QoS, RSTP, LACP/LAG, and multicast technologies
Implement and maintain network security controls across switching, wireless, and firewall platforms
Design secure network segmentation strategies including VLAN segmentation, micro-segmentation, and multi-tenant network architectures
Configure and manage firewall policies, NAT rules, and security filtering using least-privilege access principles
Implement secure wireless network authentication methods including WPA2/WPA3 enterprise authentication and RADIUS-based access controls
Design and maintain private wireless networks supporting role-based or device-based access policies
Support modern access control frameworks including Zero Trust Network Access (ZTNA) approaches
Implement network access controls such as 802.1X authentication, device profiling, and endpoint-based access policies

What we offer

medical
vision
dental
life and disability insurance
company 401(k) plan

Senior Network Security Engineer

We are seeking a Network Security Engineer to support the integration of firewal...

Location

United States , Phoenix

Salary:

Not provided

Technologent

Expiration Date

Until further notice

Requirements

5+ years of experience as a Network Security Engineer or Network Security Architect
Strong experience with enterprise firewall technologies, preferably Palo Alto or Cisco platforms
Deep understanding of firewall rule structures, policy management, and log analysis
Experience supporting integration of firewall infrastructure with advanced security platforms
Proficiency in SQL for interacting with and analyzing security-related datasets
Familiarity with cloud networking and security models in environments such as AWS or Azure
Strong analytical and troubleshooting skills in complex network environments
Experience working with version control platforms such as GitHub, GitLab, Bitbucket, or SVN

Job Responsibility

Contribute to the implementation of Zero Trust micro-segmentation solutions and integrate them with existing firewall technologies
Serve as a technical bridge between firewall infrastructure and segmentation platforms to ensure secure and efficient policy enforcement
Analyze firewall rule sets and log data to identify optimization opportunities and strengthen security controls
Provide subject matter expertise on firewall architecture, policy design, and network security best practices
Utilize SQL and data analysis techniques to interpret security data and support data-driven decision making
Collaborate with security and engineering teams to support network security improvements and system integrations
Assist with infrastructure automation and provisioning efforts using modern infrastructure tooling
Support ongoing enhancements to enterprise network security models across hybrid and cloud environments

Fulltime

Senior Network Security Engineer

The Senior Network Security Engineer at NTT DATA will oversee security infrastru...

Location

India , Bangalore

Salary:

Not provided

NTT DATA

Expiration Date

Until further notice

Requirements

Experience with managed services handling security infrastructure
Working knowledge of ticketing tools, preferably ServiceNow
Proficiency in active listening, with techniques like paraphrasing and probing for further information
Excellent planning skills, able to anticipate and adjust to changing circumstances
Strong ability to communicate and engage across different cultures and social groups
Adaptability to changing conditions and flexibility in approach
Client-focused mindset
A positive outlook and the ability to work well under pressure
Willingness to put in longer hours when necessary
Bachelor's degree or equivalent qualification in IT/Computing, or relevant work experience

Job Responsibility

Ensure that our clients' security infrastructures and systems remain operational
Monitor, identify, investigate, and resolve technical incidents and problems
Handle client requests or tickets with technical expertise, ensuring they are resolved within the agreed service level agreement (SLA)
Actively manage work queues, perform operational tasks, and update tickets with resolution actions
Log incidents promptly and provide second-level support
Execute changes responsibly, flagging risks and mitigation plans
Work closely with automation teams to optimize efforts and automate routine tasks
Ensure seamless handovers during shift changes
Audit incident and request tickets for quality, recommending improvements
Contribute to trend analysis reports to identify automation opportunities

Fulltime

Senior Network Security Engineer

Location

Egypt , Nasr City

Salary:

Not provided

El Delta Electronic Systems

Expiration Date

Until further notice

Requirements

Bachelor's degree in Information Technology, Computer Science, or a related field
CompTIA Security+
CCNA Routing & Switching
CCNA Security
CCNP security (highly preferred)
5+ years of progressive experience in network security or cybersecurity roles

Job Responsibility

Design, implement, and maintain a robust and secure network infrastructure, including firewalls, WAF, GTM, LTM, and other security devices
Conduct in-depth security assessments, identify vulnerabilities, and implement effective mitigation and remediation strategies
Analyze security logs, detect and respond to threats, and proactively implement countermeasures to minimize risk
Lead incident response activities, including containment, eradication, and recovery efforts
Perform advanced system administration tasks, including software upgrades, patch management, and configuration changes
Monitor system performance and resource utilization, proactively identifying and resolving performance bottlenecks
Ensure the high availability and performance of all security systems
Provide expert-level technical support on complex security-related issues to internal stakeholders
Collaborate effectively with cross-functional teams (cloud, systems, information security) to ensure the security of the entire IT ecosystem
Communicate security risks and incidents effectively to all levels of the organization, including senior management

Fulltime

Senior Network Security Engineer

The Senior Network Security Engineer at NTT DATA will manage and troubleshoot ne...

Location

India , Mumbai

Salary:

Not provided

NTT DATA

Expiration Date

Until further notice

Requirements

Bachelor's degree in IT or Computing
At least 5 years of experience in network security operations
Proficiency in technologies like Palo Alto and Cisco
Relevant certifications
Strong communication skills
Ability to work in a dynamic environment

Job Responsibility

Manage and troubleshoot network and security infrastructure
Ensure operational integrity and stability

Senior Network Security Engineer

Senior Network Security Engineer, IT Cybersecurity Team. We’re seeking a Senior ...

Location

United States , Palo Alto

Salary:

180000.00 - 235000.00 USD / Year

1X Technologies

Expiration Date

Until further notice

Requirements

7–10 years of experience in network & security field
Strong understanding of TCP/IP fundamentals and the OSI model
Experience designing, deploying, and troubleshooting leaf-and-spine architectures
Expertise in modern network architecture with EVPN/VXLAN, BGP, OSPF
Expertise in DNS and DHCP design, configuration, and troubleshooting
Deep understanding of Wi-Fi design, including RF planning and optimization
Proficient with deploying observability tools (F.ex. Grafana, NetFlow, SNMP, Syslog, telemetry)

Job Responsibility

Architect, design, and implement secure and optimized network solutions for corporate offices, cloud infrastructure, and data centers
Manage and execute site builds, including secure office network deployments
Configure, secure, and manage wireless networks following security best practices
Troubleshoot wired, wireless, and service provider connectivity issues to maximize performance and uptime
Continuously optimize network performance, scalability, reliability, and security
Collaborate with IT, business, and operations teams to gather requirements and deliver resilient networking solutions
Develop and maintain detailed documentation including network diagrams, configurations, and policies
Travel occasionally, both locally and domestically, to support site deployments or audits

What we offer

Health, dental, and vision insurance
401(k) with company match
Paid time off and holidays

Fulltime

Senior Network Security Engineer

Rackspace Technology is a leading provider of expertise and managed services acr...

Location

Saudi Arabia , Riyadh

Salary:

Not provided

Rackspace

Expiration Date

Until further notice

Requirements

Bachelor's degree in Computer Science, Cybersecurity, Information Technology, or related field
8+ years of experience in network or security engineering roles
Minimum 5+ years of hands-on experience with enterprise firewall platforms (Palo Alto, Fortinet, Cisco, etc.)
Proven expertise with F5 BIG-IP platforms, including LTM and GTM modules
Extensive experience configuring and maintaining IPS/IDS systems (Cisco, Palo Alto, Snort, etc.)
Strong understanding of network protocols, OSI model, and TCP/IP stack
Experience with micro-segmentation technologies
In-depth knowledge of common attack vectors and mitigation techniques
Current industry certifications (CISSP, CCNP Security, F5 Certified, etc.)
Understanding of compliance frameworks (PCI DSS, HIPAA, SOX, ISO 27001, etc.)

Job Responsibility

Design, implement, and manage enterprise firewall infrastructure including next-generation firewalls (NGFWs), VPN concentrators, and web application firewalls
Configure, optimize, and maintain F5 application delivery controllers, including load balancing, SSL offloading, and application security modules
Deploy and manage intrusion prevention/detection systems (IPS/IDS), ensuring proper tuning to minimize false positives while detecting genuine threats
Develop and implement comprehensive network security architectures with defense-in-depth strategies
Create and maintain security policies, rulesets, and access control lists across all security platforms
Conduct regular security audits, vulnerability assessments, and penetration testing to identify and remediate security gaps
Monitor security events and logs to identify potential security incidents and respond appropriately
Lead security incident investigations and responses, including root cause analysis and remediation planning
Establish security monitoring solutions and develop custom alerting for critical security events
Implement automation and orchestration for security processes to improve efficiency and response times

Fulltime

Senior Security Engineer and Principal Security Engineer

The Microsoft Windows Security team is looking for a learn-it-all security engin...

Location

United States , Redmond

Salary:

119800.00 - 234700.00 USD / Year

Microsoft Corporation

Expiration Date

Until further notice

Requirements

Master's Degree in Statistics, Mathematics, Computer Science, or related field AND 3+ years experience in security or related field OR Bachelor's Degree in Statistics, Mathematics, Computer Science, or related field AND 4+ years experience in security or related field OR equivalent experience
Ability to meet Microsoft, customer and/or government security screening requirements
Microsoft Cloud Background Check upon hire/transfer and every two years thereafter
2+ years identifying vulnerabilities in operating systems and/or native (C/C++) applications
5+ years of experience in a software engineering or security-related engineering
Demanstrated experience in security research, especially around vulnerability discovery
Experience exploiting bugs and bypassing security mitigations in operating systems
Familiarity with Microsoft Windows architecture

Job Responsibility

Participate in security reviews to identify and mitigate risk in Microsoft products, including design reviews, code reviews, and fuzzing
Be the security contact for teams building new innovative products and technologies in the next version of Windows and devices
Identify security vulnerabilities in a wide variety of key OS features such as network protocols, security features, and Microsoft devices
Leverage a broad and current understanding of security to devise new protections
Interact with the external security community and security researchers
Collaborate with product teams to improve security, and articulate the business value of security investments

Fulltime

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