Senior Network and Security Architect

ING; Amsterdam; Hybrid; EUR 90,000 - 130,000; Full time

Benefits offered by this job

Vacation days (25-28)

Pension scheme

13th month salary

Holiday pay (8%)

Hybrid working

Growth opportunities

Informal working environment

Job summary

ING in Amsterdam seeks a Senior Network Designer to architect secure, scalable network and application delivery across a hybrid infrastructure. You will act as the design authority for F5 BIG-IP LTM/GTM, AS3 onboarding, and Palo Alto security configurations, translating complex requirements into robust designs.

You will collaborate with engineers, security specialists, and management to produce high-quality architecture documentation, ensuring resilience, availability, and operational stability

Qualifications

• Bachelor's degree in Information Technology.
• Extensive experience designing enterprise network, security, and application delivery solutions.
• Strong knowledge of F5 BIG-IP LTM, GTM/DNS, AS3, SSL/TLS, and application delivery technologies.
• Knowledge of PKI, certificate lifecycle management, and certificate automation principles.
• Experience with Palo Alto Networks, firewall rulebases, NAT configurations, and security zoning.
• Experience with DNS, Infoblox DDI/IPAM, high availability, and disaster recovery design.
• Experience working in Agile delivery organisations and architecture governance processes.

Responsibilities

• Design secure, resilient, and scalable network, security, DNS, connectivity, and application delivery solutions across ING’s hybrid infrastructure.
• Act as design authority for F5 BIG-IP LTM and GTM/DNS platforms and related services.
• Produce and maintain High-Level Designs, Low-Level Designs, reference architectures, and service blueprints.
• Design F5 LTM services, including virtual servers, pools, health monitors, SSL/TLS profiles, traffic steering, load-balancing methods, persistence, and Source NAT.
• Design F5 GTM/DNS solutions, including Global Server Load Balancing, wide IPs, pools, health monitoring, traffic distribution, failover, and DR architectures.
• Define AS3-based onboarding models, reusable declarations, and standardized service templates for automated application delivery.
• Contribute to F5 certificate automation by defining design requirements, onboarding standards, integration patterns, and certificate lifecycle processes.
• Design Palo Alto firewall solutions, including security rulebases, policies, NAT configurations, zones, segmentation, and traffic flows.
• Define end-to-end traffic flows incorporating firewall policies, router ACLs, DNS services, load balancing, and security boundaries.

Skills

F5 BIG-IP LTM

F5 GTM/DNS

AS3

Palo Alto security

PKI integration

Certificate management

Education

Bachelor's degree in Information Technology

Tools

Infoblox DDI/IPAM

Azure DevOps

ServiceNow

Job description

ING in Amsterdam seeks a Senior Network Designer to architect secure, scalable network and application delivery across a hybrid infrastructure. You will act as the design authority for F5 BIG-IP LTM/GTM, AS3 onboarding, and Palo Alto security configurations, translating complex requirements into robust designs.

You will collaborate with engineers, security specialists, and management to produce high-quality architecture documentation, ensuring resilience, availability, and operational stability