ICT Infrastructure Engineer REQ139 at USER Experience Researchers – Singapore | Jobyssey

We are seeking a highly skilled and motivated Senior Network & Security Engineer to join our Network Operations and Engineering team. The ideal candidate will play a key role in implementing and maintaining enterprise network infrastructure. The role involves working collaboratively with cross-functional teams to ensure the reliability, scalability, and security of the network.
Key Responsibilities:

Be part of a team responsible for Network Engineering, Operations & Deployment, supporting enterprise data centre, office, remote and public cloud network environments.
This is a technical hands-on role within the Network Services team as a Senior Network & Security Engineer.
Lead network deployment projects, ensuring timely and successful implementation of network solutions.
Work closely with vendors and third-party providers for solution architecture, equipment procurement and installation.
Provide Tier-3 support for network and security-related issues and participate in a rotating Network Operations on-call schedule, including weekends, supporting a multi-vendor enterprise network.
Create, maintain and review High Level Design, Low Level Design and operational practices across the teams.
Drive network operations and day-to-day task efficiencies through automation.
Experience in deploying and working with AI tools applied to network operations, including AIOps platforms, AI-assisted troubleshooting and anomaly detection.
Experience in deploying and configuring AI integration solutions that enable large language models to interact with and query network infrastructure and operational data is highly desirable.

Preferred Qualifications

A bachelor's degree and 8–14 years of experience in core network technologies, including enterprise networking, firewalls, load balancing and web application security.
Demonstrated experience in leading and managing complex network data centre or public cloud migration projects.
Proven ability to implement and oversee large-scale network deployments.
One or more of the following certifications: CCIE, CCNP, PCNSE, CCSE, AWS Certified Advanced Networking – Specialty or equivalent.
Strong fundamental knowledge in LAN, WAN and network security technologies and products.
Excellent project and vendor management skills.
Excellent written and verbal communication skills with demonstrated ability to influence and communicate effectively with non-technical audiences and senior management.

Mandatory Skillsets

Expertise in enterprise network infrastructure and Cisco ACI deployments.
Expertise in application delivery network technologies, including load balancers and WAF solutions.
Expertise in managing enterprise firewalls and intrusion prevention systems.

Good-to-Have Skillsets

Experience with proxy and CDN technologies.
Experience managing IPAM, DNS and DHCP solutions.
Experience managing network micro-segmentation and network security solutions.
Experience managing enterprise voice and communication infrastructure.
Experience with network monitoring and management platforms.
Experience performing deep packet capture analysis using Wireshark or similar products.
Experience in network automation using Ansible and Terraform.
Experience managing network access control, identity-based network security and firewall policy management solutions.

ICT Infrastructure Engineer REQ139

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