Network Security Specialist Job at NTT DATA (Guanajuato)

Infrastructure Security and Network Specialist

The Infrastructure Security and Network Specialist is a hands-on position respon...

Location

United States , Scottsdale

Salary:

Not provided

Computer Guidance

Expiration Date

Until further notice

Requirements

3+ years of enterprise Information Security experience is required
5+ years of network / firewall experience in a Cisco hardware environment is required
8+ years of technical experience in Windows server environment is required
8+ years of technical experience in Windows workstation environment is required
In-depth knowledge of security and risk frameworks (NIST 800-53, ISO-27001 etc.) required

Job Responsibility

Oversee, evaluate, and support the documentation, validation, assessment, and authorization processes necessary to assure that existing and new information technology systems meet the organization's cybersecurity and risk requirements
Ensure appropriate treatment of risk, compliance, and assurance requirements from internal and external perspectives
Analyze and develop the integration, testing, operation, and maintenance of system security
Develop new and/or enhance existing policies to support organizational cybersecurity initiatives
Respond to security events within the pertinent domain to mitigate immediate and potential threats. Use mitigation, response and recovery approaches, as needed, to maximize preservation of information security. Investigate and analyze all relevant response activities
Analyze digital evidence and investigate computer security incidents to derive useful information in support of system/network vulnerability mitigation
Network Security: Responsible for Firewalls, switches, IPS/IDS, Proxies, URL Filtering, IP Whitelist/Blacklisting, Geo-fencing, DDoS protection, VPNs, and other security technologies
System Security: Responsible for maintain existing structure or create new, secured environments. A thorough knowledge of Microsoft domains, including Active Directory, IIS, DHCP, DNS, Kerberos, Group Policy, Scripting, Patch Management, Endpoint Management, AV & EDR Tools, SNMP/WMI/Syslog management and monitoring
SIEM/SOC Security: Responsible for SIEM tools feeding SOC operations, including ongoing management, tuning, alert thresholds, initial investigation and validation of threats, and building functional reports to relay threat analytics to stakeholders in a digestible format

What we offer

Competitive salary
Company-paid healthcare coverage for individuals & their families
Work-from-home policies
Challenging work designed to leverage and rapidly expand your skill set

Infrastructure Engineer - Network Specialist

We are currently recruiting an exciting opportunity on our IT Infrastructure tea...

Location

United Kingdom , London

Salary:

Not provided

Transact

Expiration Date

Until further notice

Requirements

A minimum of 5 years in a network infrastructure engineering role, ideally within Financial Services
Advanced experience with Azure Virtual Network (VNet) design (including subnetting, peering, and NSGs)
Extensive hands-on experience designing and managing Core and Top-of-Rack (ToR) switching environments, including resilience technologies like VSX or other MC-LAG protocols
Proven experience implementing network access control (NAC) and zero-trust principles
Working knowledge of configuration management and orchestration tools such as Ansible

Job Responsibility

Design, and deploy end-to-end network solutions, including LANs, WANs, WLAN and SD-WAN Solutions, both on-premise and within cloud infrastructure
Serve as the subject matter expert for all Azure networking components, leading integration, security, and governance efforts
Drive cross-functional collaboration, partnering closely with architecture, cybersecurity, and change delivery teams to ensure network designs and implementations are secure, compliant, and fully aligned with business and technical objectives
Drive network automation initiatives, identifying opportunities and implementing solutions (e.g. Ansible) to streamline provisioning, management, and monitoring
Manage and monitor networks, servers, and systems to ensure optimal performance. This includes troubleshooting network issues and performing regular maintenance and upgrades
Lead network security design and configuration to protect the organisation's data and systems, including setting up firewalls, VPNs, policy-based routing, and zero-trust network security principles
Translating High-Level Designs (HLDs) and business requirements into practical conceptual models, while taking full ownership for the creation, documentation, and implementation of detailed Low-Level Designs (LLDs)
Proactively managing the capacity and performance of the hybrid network infrastructure, with a focus on Data Center fabric scalability, and raising strategic design proposals for continuous improvement in line with business demands
Owning the network infrastructure lifecycle strategy, including vulnerability management, patching governance, and maintenance planning
Providing where necessary out of hours support of the IT systems

What we offer

company discretionary bonus
excellent pension contributions
an attractive staff share scheme
BUPA health insurance
buying and selling of annual leave
sponsorship of relevant professional qualifications

Fulltime

Security Specialist

The Security Specialist is a technical position within the organization. This po...

Location

United States , Columbia

Salary:

Not provided

Data Processing Solutions

Expiration Date

Until further notice

Requirements

Bachelor’s degree in computer science, cybersecurity, or related field
Skills to diagnose and effectively troubleshoot technical issues
Must be available 24/7/365 to respond to security incidents without prior notice, and remain engaged until full remediation is achieved
In-depth knowledge of security concepts, protocols, policies, and best practices.
REQUIRED: CompTIA Network+ certification, or equivalent (six-month grace period)
REQUIRED: CompTIA Security+ certification, or equivalent (six-month grace period)
Understanding of Microsoft 365 platform and experience with security configurations in Microsoft 365
Continued commitment to technology growth and development
Self-motivated with the ability to multi-task and adapt quickly to change
Ability to work in a team and communicate effectively

Job Responsibility

Provide advance level troubleshooting and escalation support for services requests
Participate in pre-sales engagements as subject-matter expert to identify and plan for security-related solutions
Initiate Security Incident Response for client and internal security compromises
Monitor security solutions and remediate issues for clients. Tools include, but are not limited to Arctic Wolf, SentinelOne, Liongard, Auvik, KnowBe4, etc.
Participate in implementation of security offerings to clients
Document internal processes and procedures related to duties and responsibilities
System documentation and consulting services to include system reviews and recommendations
Provide escalation on off business hours, or may be requested to assist with weekend coverage
Enhance security in current systems by implementing and maintaining security controls
Assist with management and implementation of phishing and security awareness training

What we offer

Competitive salary based on experience and qualifications.
Excellent benefits.
Fun working environment and culture.
Opportunity for advancement.

System Security Specialist

Assurit is currently seeking an experienced System Security Specialist to suppor...

Location

United States , Maryland

Salary:

Not provided

Assurit

Expiration Date

Until further notice

Requirements

Bachelor’s degree in Information Security, Computer Science, Engineering, or related field
or equivalent professional experience
Proven ability to interpret complex requirements and review technical documentation for accuracy and relevance
Exceptional oral and written communication skills
Strong analytical and problem-solving skills with the ability to provide expert guidance in high-impact environments
Experience supporting large-scale, secure, and regulated IT environments
7+ years of highly specialized experience in one or more security disciplines, including: Penetration testing
Intrusion detection or audit analysis
Public Key Infrastructure (PKI)
Cryptography

Job Responsibility

Provide expert-level advisory support and analysis across information, computer, and network security disciplines
Review requirements, technical documentation, and task materials for accuracy, applicability, and alignment with security best practices
Conduct detailed assessments of security risks, architectures, and operational processes
Evaluate and advise on security controls, system configurations, and emerging threats
Support specialized security activities such as penetration testing, intrusion detection analysis, risk assessments, or PKI reviews based on expertise
Communicate complex technical concepts clearly to both technical and non-technical stakeholders
Develop clear documentation, findings, and recommendations that support program decisions and security improvements
Collaborate with engineers, analysts, and leadership to validate requirements and ensure accurate technical implementation
Assist in developing or refining security standards, procedures, and guidance

What we offer

medical and dental coverage
paid time off

IT Security Specialist

Amla Commerce is looking for an experienced IT Security Specialist to join our t...

Location

United States , Milwaukee

Salary:

Not provided

Amla Commerce

Expiration Date

Until further notice

Requirements

Bachelor's degree in Computer Science, Information Technology, or a related field
Minimum 2 Years of relevant work experience
Proven experience in infrastructure security, manual penetration testing, vulnerability assessment, and web application security
Strong knowledge of penetration testing tools and frameworks, including Burp Suite, Owasp Zap, and Metasploit Framework
Familiarity with OWASP Top 10 vulnerabilities and best practices for securing web applications
Experience with IDS/IPS tools for monitoring and preventing intrusions
Familiarity with wireless/Wi-Fi security protocols, encryption standards, and best practices
Knowledge of network and system security protocols, technologies, and best practices
Strong problem-solving skills and ability to think strategically about security risks and solutions
Excellent communication and interpersonal skills to effectively collaborate with cross-functional teams and stakeholders

Job Responsibility

Conduct manual penetration testing of infrastructure systems, networks, and applications to identify security vulnerabilities and potential risks
Utilize various penetration testing tools such as Nmap, Nessus, Burp Suite, Owasp Zap, and Metasploit Framework to identify and exploit vulnerabilities
Perform vulnerability assessments using both manual approaches and vulnerability assessment and penetration testing (VAPT) tools like Nessus, OpenVAS, and Qualys
Collaborate with the development team to enhance the security of web applications by implementing secure coding practices and addressing OWASP Top 10 vulnerabilities
Configure and manage web application firewalls (WAF) to protect against common web-based attacks
Implement and maintain infrastructure firewalls, ensuring that proper configurations are in place to protect the network and systems from unauthorized access
Manage IP access control lists and handle blocking/unblocking requests as per security policies
Ensure compliance with SOC (Security Operations Center) standards and participate in audits and assessments
Provide end user system security by deploying and managing antivirus solutions, conducting security awareness training, and responding to security incidents
Stay up-to-date with the latest security threats, vulnerabilities, and industry best practices to proactively identify potential risks and recommend mitigation strategies

Senior Information Security Specialist

As a Senior Information Security Specialist, you will play a critical role in pr...

Location

United States , Clarksburg

Salary:

Not provided

Innovative Management & Technology Services

Expiration Date

Until further notice

Requirements

Bachelor’s degree in Cybersecurity, Information Technology, Computer Science, or a related field, or equivalent experience
Minimum 7 years of experience in information security, IT risk management, or related roles, preferably in federal or state government environments
Strong knowledge of federal cybersecurity frameworks including NIST SP 800-53, OWASP Top 10, DISA STIGs, and Common Criteria
Hands-on experience with networking concepts, system administration, and software development practices
Proficiency in using Splunk or comparable SIEM tools for security event monitoring, audit log analysis, and incident response
Experience working within Agile or Scaled Agile Framework (SAFe) teams and integrating security in fast-paced development environments
Excellent communication skills with the ability to convey complex security concepts to technical and non-technical audiences
Active Top Secret clearance is required
U.S. Citizenship is required

Job Responsibility

Lead comprehensive reviews of management, operational, personnel, and technical security controls to verify their effectiveness during all phases of the system lifecycle
Identify, evaluate, and mitigate technical and operational security risks, threats, vulnerabilities, and weaknesses across diverse information systems
Drive compliance efforts with government standards and industry best practices, including NIST, OWASP, Common Criteria, DISA, and SANS Institute guidelines
Collaborate within Agile development teams to integrate security throughout the software development lifecycle, supporting secure design, testing, and deployment
Utilize hands-on expertise in networking, system administration, and software development to analyze security impacts and recommend improvements
Oversee audit log reviews and system alerting using Splunk or similar SIEM platforms to detect, investigate, and respond to security incidents
Communicate security findings clearly and effectively to technical teams and leadership, fostering a culture of security awareness and continuous improvement

What we offer

competitive compensation
excellent benefits including tuition reimbursement and employer-contributed 401K
referral bonuses

Fulltime

Security Specialist (Presales) - Cloud

As a Domain Consultant for cloud native security, you will play a key role in de...

Location

Germany , Munich

Salary:

Not provided

Palo Alto Networks

Expiration Date

Until further notice

Requirements

6+ years technical sales or equivalent experience highly preferred
Hands-on experience using IaC software tools (CloudFormation, Terraform, Azure Resource Manager, GCP Cloud Deployment Manager etc) and CI/CD tools (IDEs, GitLab, GitHuB, Jenkins, CircleCI, etc.)
Experience with Alicloud, AWS, Azure, and Google Cloud Platform and Oracle Cloud configuration and administration of security features and services (including identity and access management, networking, firewalls, encryption)
Deep experience in one or more cloud security areas such as Shift Left, CSPM, CWP, KSPM, CIEM, DSPM, AI-SPM
Background in security domain or cloud security highly preferred
Understanding of container and container orchestration technologies such as Docker, Kubernetes, and OpenShift
Proficient in English & German

Job Responsibility

Collaborate with account teams to recommend and develop customer solutions within your assigned specialization area
Present to customers as our expert at all levels in the customer hierarchy, from practitioner to senior leadership
As the main technical point of contact for Cloud Security, you will assist and collaborate to respond effectively to RFIs/RFPs
Lead and support customer demonstrations that showcase our unique value proposition
Scope and lead Proof of Value (PoV) projects for prospective customers and partners based on best practices to ensure technical win in your assigned opportunities
Drive high technical validation and PoV win rates within your assigned specialization area
Responsible for discussing and highlighting product alignment with customer requirements and differentiation
Architect solutions that will help our customers strengthen and simplify their security posture
Accelerate technical validation of proposed solutions within your specialization
Document High-Level Design and Key Use Cases to ensure proper implementation and value realization of Palo Alto Networks Solutions

What we offer

FLEXBenefits wellbeing spending account with over 1,000 eligible items selected by employees
mental and financial health resources
personalized learning opportunities

Network Infrastructure Specialist

We are seeking a highly skilled Network Specialist to join our Cloud Module infr...

Location

United States , Spring

Salary:

117500.00 - 270000.00 USD / Year

Hewlett Packard Enterprise

Expiration Date

Until further notice

Requirements

5+ years of hands-on experience with switch configuration for Private Cloud environments
Strong knowledge of Aruba/Juniper/Cisco or Arista, networking platforms
Proficiency in VLANs, STP, LACP, vPC/MLAG
OSPF, BGP
Network segmentation and ACLs
VXLAN, EVPN
Experience with Ansible, Python scripting, and Infrastructure-as-Code principles
Understanding of data center traffic patterns and high-availability architectures
Hands on experience with network automation via REST APIs and templated configuration
Strong documentation and communication skills

Job Responsibility

Configure L2/L3 switches across multiple racks with high-availability for private cloud solutions
Design and implement VLANs, port channels, and routing protocols (OSPF, BGP) for efficient east-west and north-south traffic flow
Develop procedures to Integrate switch infrastructure with customer’s existing data center environment
Automate switch provisioning and configuration using tools like Ansible and Python
Implement overlay/underlay network models (e.g., VXLAN/EVPN)
Ensure robust network segmentation, security policies, and performance optimization
Collaborate with systems, cloud, and security teams to deliver reliable private cloud connectivity
Maintain accurate network documentation and diagrams (e.g., using NetBox or Visio)
Participate in network monitoring, troubleshooting, and customer support as needed

What we offer

Health & Wellbeing
Personal & Professional Development
Unconditional Inclusion

Fulltime

Network Security Specialist

NTT DATA

Location:
Mexico , Guanajuato

Category:
IT - Administration

Contract Type:
Not provided

Salary:

Job Description:

Job Responsibility:

Requirements:

Nice to have:

Additional Information:

Job Posted:
February 01, 2026

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