Security, Managed Services specialist L2–L5

Posted 2 Days Ago
Be an Early Applicant
Site, Ümraniye, İstanbul, TUR
In-Office
Mid level
Information Technology • Business Intelligence • Consulting
The Role
Supports client infrastructure, platform, and cloud security controls through monitoring, incident investigation, vulnerability remediation, patching, configuration management, and security hardening. Maintains security platforms, documentation, policies, integrations, and audit evidence. Works with technical teams to resolve incidents and reduce recurring risks. Higher-level specialists lead complex investigations, define security architectures and control patterns, establish roadmaps, and advise stakeholders on security risks and operational requirements.
Summary Generated by Built In

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

The security engineer, specialist or architect supports the security controls protecting client infrastructure, platforms and cloud environments. The role contributes to secure operations, incident resolution, vulnerability management and the design of effective security architectures.


Key responsibilities
  • Monitor and support infrastructure and platform-security controls.
  • Investigate security-related incidents, alerts and service requests.
  • Maintain security platforms, configurations, policies and integrations.
  • Support vulnerability remediation, patching and security-hardening activities.
  • Manage approved changes affecting security controls.
  • Work with network, cloud, operating-system, database and application teams.
  • Maintain security documentation, operating procedures and control evidence.
  • Support security reviews, audits and compliance activities.
  • Identify recurring risks and propose preventive controls or automation.
  • At L3 and L4, lead complex investigations and technical remediation.
  • At L5, define security architectures, control patterns and technical security roadmaps.
  • Advise stakeholders on security risk, design decisions and operational requirements.

Technical knowledge
  • Network and infrastructure security.
  • Cloud-security controls.
  • Identity and access management.
  • Vulnerability management.
  • Security monitoring and logging.
  • Endpoint and server security.
  • Encryption, certificates and key management.
  • Security architecture and secure configuration.
  • Automation of security controls and evidence collection.

Relevant certifications
  • CISSP.
  • CCSP.
  • SABSA.
  • Microsoft, AWS or Google Cloud security certification.
  • Vendor-specific network or security certification.

Workplace type:


About NTT DATA
NTT DATA is a $30+ billion business and technology services leader, serving 75% of the Fortune

Global 100. We are committed to accelerating client success and positively impacting society through

responsible innovation. We are one of the world’s leading AI and digital infrastructure providers, with

unmatched capabilities in enterprise-scale AI, cloud, security, connectivity, data centers and

application services. Our consulting and industry solutions help organizations and society move

confidently and sustainably into the digital future. As a Global Top Employer, we have experts in more

than 70 countries. We also offer clients access to a robust ecosystem of innovation centers as well as

established and start-up partners. NTT DATA is part of NTT Group, which invests over $3 billion each

year in R&D.


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.


Third parties fraudulently posing as NTT DATA recruiters 

NTT DATA recruiters will never ask job seekers or candidates for payment or banking information during the recruitment process, for any reason. Please remain vigilant of third parties who may attempt to impersonate NTT DATA recruiters whether in writing or by phone in order to deceptively obtain personal data or money from you. All email communications from an NTT DATA recruiter will come from an @nttdata.com email address. If you suspect any fraudulent activity, please contact us.

Skills Required

  • Knowledge of network and infrastructure security
  • Knowledge of cloud security controls
  • Knowledge of identity and access management
  • Knowledge of vulnerability management
  • Knowledge of security monitoring and logging
  • Knowledge of endpoint and server security
  • Knowledge of encryption, certificates, and key management
  • Knowledge of security architecture and secure configuration
  • Experience automating security controls and evidence collection
  • CISSP certification
  • CCSP certification
  • SABSA certification
  • Microsoft, AWS, or Google Cloud security certification
  • Vendor-specific network or security certification

NTT DATA Compensation & Benefits Highlights

The following summarizes recurring compensation and benefits themes identified from responses generated by popular LLMs to common candidate questions about NTT DATA and has not been reviewed or approved by NTT DATA.

  • Fair & Transparent Compensation — Feedback suggests salary bands and grades are clearly defined, making ranges and promotion criteria easier to understand. Standardized HR processes provide visibility into levels across common delivery roles.
  • Healthcare Strength — Feedback suggests the package includes comprehensive medical, dental, and vision options with HSA/FSA eligibility. Global materials emphasize comprehensive insurance and wellbeing as baseline offerings across regions.
  • Wellbeing & Lifestyle Benefits — Flexible work options, including remote/hybrid arrangements, are highlighted as core benefits and can support work–life balance. Some delivery teams report more manageable hours than strategy consultancies, improving perceived value for time.

NTT DATA Insights

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The Company
HQ: Tokyo
55,092 Employees
Year Founded: 1988

What We Do

NTT DATA, Inc. is a trusted global innovator of business and technology services. We're committed to helping clients innovate, optimize and transform for long-term success. Our R&D investments 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

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