Job description for Senior Network Engineer at Unit Technology Corporation
Key Responsibilities
- Network Administration and Operations
- Administer LAN, WAN, SD-WAN, Internet, Wi-Fi, and DC/DR networks.
- Administer routers, switches, and assigned firewall, VPN, load balancer, and NAC components.
- Manage IP addressing, VLANs, routing, QoS, network segmentation, and connectivity configurations between systems.
- Operate connectivity to internal bank units, service providers, and payment/business partners.
- Monitor bandwidth, latency, jitter, packet loss, and device status; proactively detect deterioration in connection quality.
- Manage configuration backups, software versions, patches, and network device lifecycles.
- Monitor carrier service quality and SLAs; coordinate the resolution of network circuit incidents.
- Incident Management and Service Continuity
- Serve as the focal point for resolving complex network incidents, connectivity outages, routing failures, and performance degradation.
- Analyze packet captures, logs, routing tables, and connection session information to identify root causes.
- Coordinate with system, application, and information security teams, carriers, and partners to resolve incidents across end-to-end transaction flows.
- Design, operate, and test redundancy mechanisms for devices and network circuits, as well as DC/DR connectivity failover.
- Prepare root cause analysis (RCA), recommend improvements, and track preventive actions to avoid recurrence.
- Participate in on-call operations, incident resolution, and after-hours changes as assigned.
- Project Design and Implementation
- Assess requirements and the current environment, and propose network architectures that meet business, security, and scalability needs.
- Lead the technical work or participate in DC/DR network, SD-WAN, Wi-Fi, NAC, and partner connectivity projects.
- Develop or review HLD/LLD documents, physical and logical diagrams, connectivity flows, and access matrices.
- Develop implementation, testing, migration, and rollback plans; assess impact before making changes.
- Evaluate vendor solutions for redundancy, performance, compatibility, operability, and total cost.
- Automate configuration backups, status checks, and configuration drift detection.
Benefit
- Competitive salary and benefits
- Working time: 8:30AM - 05:30PM, Monday – Friday;
- 12 days of annual leave + 3 days of sick leave + 1 day of birthday per year
- Participated in social insurance, unemployment insurance, health insurance and full policies according to the labor law;
- 13th month salary & bonus policies, allowances at the Company;
- UNIT-Care health care insurance by level;
- Salary increases according to company regulations or unexpected salary raise in case of outstanding ability;
- Professional and dynamic working environment, unlimited promotion opportunities;
- Opportunity to participate in many large projects in Vietnam & abroad;
- Work on the latest technology platform;
- Join in company trip, teambuilding & community activities
