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Security Design Engineer
NTT
- Birmingham, England, United Kingdom
- Birmingham, England, United Kingdom
À propos
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.
What you'll be doing 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
What experience you'll bring 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
Identity 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
Certifications Required
CCNA Security
or
SSCP
(Systems Security Certified Practitioner) - Mandatory
Network security certification:
Fortinet NSE4, Palo Alto PCNSA/PCNSE, or Cisco CyberOps - Required
Security+
or equivalent foundation certification - Required
Working toward:
CISSP Associate, CCNP Security, or security architecture certifications
Eligible:
UK SC security clearance
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
CERTIFICATION AND PROFESSIONAL DEVELOPMENT Professional Requirements
CCNA Security or SSCP
demonstrating networking and security foundations
Vendor security certification
in firewall or security platform technologies
Security+
as baseline security knowledge certification
Continuous learning
in emerging security technologies and design patterns
Development Expectations
Progress toward advanced certifications (CISSP, CCNP Security, CCSP)
Develop specialized skills in cloud security architecture or specific security domains
Regular participation in technical training and vendor certification programs
Contribution to internal security design standards and best practices
Preparation for progression to P3 Infrastructure Security Design Consultant
WORK ENVIRONMENT
Technical design and engineering environment with client project delivery
Collaboration with network, infrastructure, cloud, and security operations teams
Mix of design activities, technical implementation support, and documentation
Exposure to diverse security technologies and enterprise architectures
Hybrid working model with occasional client site visits for design workshop
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
Identity 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
Who we are 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 Inclusion Networks such as: the Women’s Business Network, Cultural and Ethnicity Network, LGBTQ+ & Allies Network, Neurodiversity Network and the Parent Network.
what we’ll offer you We offer a range of tailored benefits that support your physical, emotional, and financial wellbeing. Our Learning and Development team ensure that there are continuous growth and development opportunities for our people. We also offer the opportunity to have flexible work options.
You can find more information about NTT DATA UK & Ireland here:
We are an equal opportunities employer. We believe in the fair treatment of all our employees and commit to promoting equity and diversity in our employment practices. We are also a proud Disability Confident Committed Employer - we are committed to creating a diverse and inclusive workforce. We actively collaborate with individuals who have disabilities and long‑term health conditions which have an effect on their ability to do normal daily activities, ensuring that barriers are eliminated when it comes to employment opportunities. In line with our commitment, we guarantee an interview to applicants who declare to us, during the application process, that they have a disability and meet the minimum requirements for the role. If you require any reasonable adjustments during the recruitment process, please let us know. Join us in building a truly diverse and empowered team.
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Compétences linguistiques
- English
Avis aux utilisateurs
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