Senior Network & Security Engineer

USER EXPERIENCE RESEARCHERS PTE. LTD.; Singapore; Vor Ort; SGD 140.000 - 210.000; Vollzeit

Zusammenfassung

USER EXPERIENCE RESEARCHERS PTE. LTD. seeks a Senior Network & Security Engineer to join the Network Operations and Engineering team.

You will implement and maintain enterprise network infrastructure across data centre, office, remote, and public cloud environments, leading deployment projects and driving automation. The role requires expertise in enterprise networking, firewalls, WAF, and Cisco ACI, with strong vendor and project management skills and the ability to convey complex concepts to

Qualifikationen

• Bachelor's degree required.
• 8-14 years of experience in core network technologies (enterprise networking, firewalls, load balancing, web app security).
• Experience leading complex network data centre or public cloud migration projects.

Aufgaben

• Lead network deployment projects across data centre, office, remote and cloud environments.
• Provide Tier-3 support for network and security issues and participate in a rotating on-call schedule.
• Create, review High Level Design (HLD) and Low Level Design (LLD) and operating practices.
• Drive network operations and day-to-day task efficiencies through automation.
• Collaborate with vendors and third-party providers for architecture, procurement and installation.
• Experience with AI tools for network operations including AI-assisted troubleshooting and anomaly detection.

Kenntnisse

Enterprise networking

Cisco ACI

Networking security

Load balancers

WAF

LAN/WAN

Project management

Vendor management

Network automation

On-call support

Ausbildung

Bachelor's degree

Tools

Ansible

Terraform

Wireshark

Jobbeschreibung

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.