Sr. Network Engineer

3 Weeks ago • 5 Years + • Network Engineering

Job Summary

Job Description

Tencent Overseas IT seeks a Senior Network Engineer to ensure the reliability, security, and efficiency of its enterprise network infrastructure. Responsibilities include designing, deploying, and maintaining network switches, routers, firewalls (Fortinet & Palo Alto), load balancers, and border security systems. Troubleshooting, optimizing network performance, implementing security best practices, and providing technical support are key. The role involves working with various network monitoring tools, collaborating with cross-functional teams, and utilizing IT service management tools like ServiceNow and Jira. Experience with next-generation firewalls, advanced routing protocols (OSPF, EIGRP, BGP), and network management tools is essential.
Must have:
  • 5+ years enterprise network support
  • Next-gen firewall expertise (Fortinet, Palo Alto)
  • Advanced routing protocols (OSPF, BGP)
  • Network monitoring & troubleshooting
  • Firewall rule creation & VPN config
  • CCNP or CCIE certification preferred
Good to have:
  • Fortinet certifications
  • Experience with Active Directory
  • Experience with Cisco Prime Infrastructure and Aruba WiFi systems
Perks:
  • Competitive salary and benefits
  • Opportunities for professional growth
  • Dynamic, fast-paced environment
  • Cutting-edge network technologies

Job Details

About the Hiring Team

Tencent Overseas IT has the mission to empower Tencent’s rapid global growth with future ready, global IT platforms, applications and services. We are chartered to lead the Overseas IT strategy, architecture, roadmap and execution. Satisfying our internal/external customers and becoming a world class global IT team are our top aspirations.

What the Role Entails

We are seeking a highly skilled and experienced Senior Network Engineer to join our team. This role is critical in ensuring the reliability, security, and efficiency of our enterprise network infrastructure. The ideal candidate will have expertise in designing, deploying, and maintaining network switches, routers, firewalls, load balancers, and border security systems. You will also play a key role in troubleshooting, optimizing network performance, and implementing best security practices.

Network Infrastructure & Security

  • Install, configure, and manage network switches, routers, load balancers, and firewalls (Fortinet & Palo Alto).
  • Maintain border security systems, including firewalls and intrusion detection systems (IDS/IPS).
  • Troubleshoot and resolve network security issues, including firewall rule base creation, VPN configuration, NAT, and high availability (HA) setup.
  • Upgrade and optimize network devices, performing hardware refreshes and software updates.
  • Ensure network stability, flexibility, and security while documenting configurations and installations.

Network Operations & Support

  • Provide technical support, monitoring, and configuration management for enterprise networks.
  • Maintain on-premise office network infrastructure and implement necessary changes.
  • Develop and implement IP communication systems, including advanced routing protocols (OSPF, EIGRP, BGP).
  • Utilize network monitoring and performance testing tools (e.g., Zabbix, Grafana, Iperf) to proactively detect and resolve issues.
  • Assist in troubleshooting network-related incidents by working closely with support teams and end users.
  • Engage with customers via phone or email to diagnose and resolve network issues efficiently.

Project & Process Management

  • Participate in network engineering projects, providing expertise in planning and execution.
  • Collaborate with cross-functional teams to ensure seamless network operations and business continuity.
  • Work with IT service management tools such as ServiceNow, Jira, and ITSM, integrating automation and revision control into workflows.

Who We Look For

Education & Certifications

  • Bachelor’s degree in IT, Computer Science, MIS, or a related field (preferred).
  • Industry certifications such as:
    • CCNP or CCIE (preferred).
    • Fortinet Certified Professional (FCP) or Fortinet Certified Expert (FCX) (preferred).

Experience & Technical Skills

  • 5+ years of experience in enterprise network support and project execution.
  • Extensive hands-on experience with next-generation firewalls (Cisco ASA, Fortinet, Palo Alto), including:
    • IDS/IPS, DLP, content filtering, anti-malware, and DDoS protection.
  • Strong understanding of firewall SIEM & SYSLOG management.
  • Expertise in SFlow, NetFlow, and Flowlog monitoring.
  • Advanced knowledge of Cisco ISR/ASR routers, Cisco Nexus & Catalyst switches, Cisco Prime Infrastructure, and Aruba WiFi systems.
  • Experience with generic load balancers and BGP/OSPF routing protocols.
  • Proficiency in network management and monitoring tools.
  • Experience with Active Directory (on-prem & cloud) is a plus.

Why Join Us?

  • Work in a dynamic, fast-paced environment with cutting-edge network technologies.
  • Opportunity to lead and implement impactful network security solutions.
  • Competitive salary, benefits, and opportunities for professional growth.

Equal Employment Opportunity at Tencent

As an equal opportunity employer, we firmly believe that diverse voices fuel our innovation and allow us to better serve our users and the community. We foster an environment where every employee of Tencent feels supported and inspired to achieve individual and common goals.

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About The Company

Tencent is a world-leading internet and technology company that develops innovative products and services to improve the quality of life of people around the world.


Founded in 1998 with its headquarters in Shenzhen, China, Tencent's guiding principle is to use technology for good. Our communication and social services connect more than one billion people around the world, helping them to keep in touch with friends and family, access transportation, pay for daily necessities, and even be entertained.


Tencent also publishes some of the world's most popular video games and other high-quality digital content, enriching interactive entertainment experiences for people around the globe.


Tencent also offers a range of services such as cloud computing, advertising, FinTech, and other enterprise services to support our clients' digital transformation and business growth.


Tencent has been listed on the Stock Exchange of Hong Kong since 2004.

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