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Job Description

Please note, you will need to be eligible for SC clearance

NTT DATA is one of the world's largest global security service providers, partnering with some of the most recognized security technology brands. We're looking for passionate, curious, and motivated individuals to join our team.

Working under direct supervision, you will apply your developing expertise in security architecture, network security design, and infrastructure protection to create security designs, implement security controls, and support security engineering projects. You will contribute to infrastructure security solutions while building your skills in secure design patterns, security technologies, and architecture frameworks under the guidance of senior engineers and architects.

KEY RESPONSIBILITIES

Security Architecture Design Support

Create straightforward architecture designs for network and infrastructure projects under direct supervision Develop network security diagrams, security zone models, and data flow diagrams following design standards Support enterprise architecture teams with security requirements and design input Document security design decisions and architectural rationale clearly Contribute to security reference architectures and reusable design patterns Participate in architecture review sessions and incorporate feedback into designs

Network Security Design and Implementation

Design network security solutions including firewall architectures, network segmentation, and DMZ configurations Create detailed firewall rulesets, access control lists, and security policy designs Design VPN solutions for site-to-site and remote access connectivity Develop network security diagrams showing security zones, trust boundaries, and data flows Support implementation of network security controls following approved designs Document network security configurations and change procedures

Security Technology Solution Design

Design security technology solutions including SIEM, endpoint protection, and monitoring platforms Create technical specifications for security tool deployments under supervision Support proof of concept activities for security technology evaluations Design integration approaches for security tools within existing infrastructure Document technical requirements and implementation procedures for security solutions Assist with security technology vendor assessments and product selection

Infrastructure Hardening Design

Design security hardening standards for servers, network devices, and endpoints under supervision Create secure baseline configurations aligned with CIS Benchmarks and industry standards Develop security configuration policies and validation procedures Design automated hardening and compliance checking solutions Document security configuration requirements for infrastructure components Support security configuration assessments and remediation planning

Security Design Documentation

Produce high-quality security architecture documents and design specifications under supervision Create technical diagrams including network topology, security architecture, and data flow diagrams Develop security design standards and implementation guidelines Maintain design document repositories and configuration management Write technical security procedures and operational runbooks Contribute to security architecture governance and design review processes

Technical Security Assessment Support

Support security architecture reviews and design assessments under supervision Validate security control implementations against design requirements Conduct technical security gap analyses and identify design weaknesses Assess security risks in infrastructure designs and recommend mitigations Perform security configuration reviews and compliance assessments Document assessment findings and remediation recommendations

KEY PERFORMANCE INDICATORS

Quality and completeness of security designs and technical documentation produced Successful implementation of security solutions based on approved designs Client and stakeholder satisfaction with security design deliverables Accuracy of security configurations and minimal rework required Progress in professional development and certification achievements Contribution to security design standards and best practices

REQUIRED SKILLS & COMPETENCIES

Security Architecture and Design Expertise

Solid understanding of security architecture principles and design patterns Knowledge of network security architectures including defense in depth and zero trust Understanding of security zone models, network segmentation, and DMZ designs Familiarity with security frameworks (NIST CSF, ISO 27001, CIS Controls) Awareness of secure design principles for cloud and hybrid environments

Network and Infrastructure Technical Skills

Network security: Firewalls, IPS/IDS, VPNs, proxies, NAC, load balancers Network protocols: Deep TCP/IP knowledge, routing protocols (BGP, OSPF), MPLS Switching and routing: VLANs, VXLANs, spanning tree, port security Security platforms: Palo Alto, Cisco ASA/Firepower, Fortinet, Check Point Virtualization: VMware NSX, network virtualization, micro-segmentation

Security Technology Knowledge

SIEM platforms: Splunk, QRadar, Azure Sentinel, ELK Stack Endpoint protection: CrowdStrike, Carbon Black, Microsoft Defender Network monitoring: NetFlow, IPFIX, packet capture, network behavior analysis and access: Active Directory, Azure AD, LDAP, RADIUS, TACACS+ Cloud security: AWS VPC, Azure Virtual Networks, GCP VPC security

Design and Documentation Tools

Diagramming: Microsoft Visio, Lucidchart, draw.io, enterprise architecture tools Infrastructure as Code: Terraform, CloudFormation, Ansible basics Version control: Git, document management systems Collaboration: Confluence, SharePoint, technical wikis Project management: Jira, ServiceNow, project documentation tools

Professional Skills

Clear technical communication with engineering teams and stakeholders Ability to translate security requirements into technical designs Collaborative approach to working with network, infrastructure, and security teams Problem-solving skills for complex security design challenges Attention to detail in technical specifications and documentation Time management and ability to prioritize multiple design activities

MINIMUM QUALIFICATIONS

Experience

2-4 years of experience in network engineering, security engineering, or infrastructure roles 1-2 years designing or implementing network security solutions Hands-on experience with firewalls, routers, switches, and security technologies Experience creating technical documentation and architecture diagrams Familiarity with security design principles and frameworks

Project Responsibilities:

Execute security design work packages on client and internal projects Deliver technical security designs and implementation documentation Support security technology deployments and configuration activities

TECHNICAL COMPETENCY AREAS

Core Design Capabilities

Network security architecture: Firewall designs, DMZ, network segmentation, VPN, zero trust Security technology design: SIEM, endpoint protection, monitoring, detection platforms architecture: AD design, federation, MFA, privileged access management Data protection design: Encryption, DLP, backup, disaster recovery architectures Cloud security design: AWS, Azure, GCP security architecture patterns

Design Deliverables

High-level design documents with security architecture overview Low-level design documents with detailed technical specifications Network and security zone topology diagrams Data flow diagrams showing security control points Security configuration specifications and hardening guides

We’re a business with a global reach that empowers local teams, and we undertake hugely exciting work that is genuinely changing the world. Our advanced portfolio of consulting, applications, business process, cloud, and infrastructure services will allow you to achieve great things by working with brilliant colleagues, and clients, on exciting projects.

Our inclusive work environment prioritises mutual respect, accountability, and continuous learning for all our people. This approach fosters collaboration, well-being, growth, and agility, leading to a more diverse, innovative, and competitive organisation. We are also proud to share that we have a range of Networks such as: the Women’s Business Network, Cultural and Network, + & Allies Network, Neurodiversity Network and the Parent Network.

For more information on , Equity and please click here: Creating Together at NTT DATA UK | NTT DATA

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