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The Junior Infrastructure Security Design Consultant role at NTT DATA involves supporting senior engineers in developing security designs and documentation. Candidates should have a bachelor's degree in a relevant field and 1-3 years of experience in cybersecurity or IT security roles. Key skills include TCP/IP, technical writing, and familiarity with security technologies. Preferred certifications include Network+ and CCNA. This position offers opportunities for remote, hybrid, or office work, along with professional development through sponsored certifications.
Job Responsibility:
Assist senior engineers with architecture diagrams and documentation under supervision
Learn security design principles, patterns, and best practices
Support creation of network diagrams, data flow diagrams, and security zone models
Contribute to documenting design decisions and observe architecture reviews
Create and maintain accurate technical documentation and diagrams using Visio/Lucidchart
Document security configuration requirements and implementation procedures
Maintain design repositories, version control, and quality-check deliverables
Research security technologies (firewalls, IDS/IPS, SIEM, endpoint protection) and vendor products
Assist with technology evaluations, comparison matrices, and proof-of-concept planning
Maintain knowledge base of security tools and deployment architectures
Learn concepts like firewalls, VPNs, segmentation, DMZ, and TCP/IP networking
Observe firewall rule reviews, packet captures, and network security assessments
Assist with basic network security documentation and diagrams
Document baseline configurations for servers, workstations, and network devices
Learn CIS Benchmarks, hardening standards, and compliance requirements
Maintain configuration guides, SOPs, and secure build documentation
Requirements:
Bachelor's degree in Computer Science, Information Technology, Cybersecurity, or related field
Minimum 1–3 years of experience in cybersecurity or IT security roles
Understanding of TCP/IP, DNS, DHCP, routing, and switching fundamentals
Basic Windows and Linux administration and command line
Ability to learn and use Visio, Lucidchart, draw.io, or similar
Strong technical writing and documentation abilities
Basic VM creation and configuration skills
Excellent attention to detail in technical documentation and diagrams
Strong written and verbal communication abilities
Ability to learn complex technical concepts through study and practice
Self-motivated with curiosity about security technologies and design
Team collaboration and professional conduct
Time management and ability to meet deadlines
Analytical thinking and problem-solving aptitude
Excellent command of both spoken and written English
Nice to have:
Network+ or CCNA (in progress or recently completed)
Security+ or working toward within 12 months
Relevant degree or completing technical degree program
Working toward: CCNA Security, SSCP, or security architecture certifications
What we offer:
Smooth integration and a supportive mentor
Pick your working style: choose from Remote, Hybrid or Office work opportunities
Projects have different working hours to suit your needs
Sharpen your tech skills with our sponsored certifications, trainings and top e-learning platforms
Private Health Insurance
Attend individual coaching sessions or go one step further by joining our accredited Coaching School