Senior Network Infrastructure Specialist

4 weeks ago


Singapore TEKsystems (Allegis Group Singapore Pte Ltd) Full time
Job Title: Senior Network Infrastructure Specialist

Job Summary:
TEKsystems (Allegis Group Singapore Pte Ltd) is seeking a skilled Senior Network Infrastructure Specialist to join our team. The ideal candidate will have expertise in LAN/WAN, Wireless, and Network Security, with a strong focus on Cisco networking technologies, particularly in the 9000 series. This role requires hands-on experience with Cisco Catalyst Wireless LAN controllers & access points, as well as Cisco Catalyst LAN switches. The successful candidate will also have strong communication skills and a customer-centric mindset, with the ability to work independently and within a global team environment.

Key Responsibilities:
  • Configure, maintain, and troubleshoot Cisco Catalyst Wireless LAN controllers & access points, preferably the 9000 series (e.g., 9800, 9166).
  • Manage and maintain Cisco Catalyst LAN switches, with a preference for 9000 series expertise (e.g., 9300, 9200).
  • Utilize your CCNA certification to manage and configure network WAN infrastructures.
  • Implement and troubleshoot network protocols such as EIGRP, BGP, QoS, FNF, and PfR.
  • Experience with Cisco DMVPN is a plus.
  • Manage and secure networks using Cisco Firepower.
  • Handle Zscaler ZIA, ZPA for secure internet access and private application access.
  • Configure and manage Checkpoint Firewalls for enhanced network security.

Requirements:
  • Minimum of a Cisco CCNA certification is required.
  • Intermediate experience with Cisco Catalyst 9000 series (Wireless LAN controllers (WLC), access points (AP), and LAN switches).
  • Experience with WAN network protocols (such as EIGRP, BGP, QoS, FNF, PfR).
  • Familiarity with Cisco Firepower, Zscaler products, and Checkpoint Firewalls (experience in Palo Alto Firewalls would be considered).
  • Knowledge of Cisco DMVPN and Azure networking is advantageous.
  • Strong communication skills with fluency in English.
  • Customer-centric mindset with the ability to understand both technical details and larger business needs.
  • Ability to work outside of business hours (4-6 off-hours per month on average).

Additional Requirements:
  • Willingness to travel across Asia (Thailand, Vietnam, Malaysia, and other parts of the region as required).
  • Comfortable communicating through email, MS Teams, and conference calls.


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