Network Engineer (CCNA/Firewall)

Quesscorp Singapore Pte Ltd
Singapore, Singapore
S$4k - S$9k
20 Jan 2023
19 Feb 2023
Job Function
Industry Sector
Finance - General
Employment Type
Full Time
Firewall role:

  • Duties include providing support to client perimeter security infrastructure which includes firewall, proxy and remote access systems; Investigation, documentation and resolution of outages to critical business systems that may be caused by firewall, proxy, or remote access systems; Escalation of issues to, and tracking of progress in conjunction with Client engineering teams, vendors, or other technical resource teams; Working incidents or projects beyond the scope of the level 2 team which may include scheduling multiple changes, software upgrades, or configuration activities to resolve.
  • Desired platforms/skills include: Strong troubleshooting and communication skills, tcpdump/pcap/wireshark experience, Checkpoint Secure Platform Pro & Gaia, Juniper SRX, Bluecoat Proxy, PaloAlto Networks firewalls, Juniper SSL VPN appliances, Juniper Netscreen firewalls, Cisco ASA with AnyConnect client, Network routing with BGP, Linux/Unix experience preferred.
  • Also desired/emphasized is a strong analytical and quantitative capability with attention to detail ability to work in a demanding and environment, exhibiting a high degree of flexibility and ability to multi-task, seeking guidance where necessary; strong verbal and written skills are also desired.

Skills required
  • Strong administration, maintenance and Operational experience on Network Perimeter devices like, Checkpoint, Palo Alto, CISCO and Juniper firewalls.
  • Required to analyse customer requirements to ensure all standards, policies and guidelines are upheld from the information security perspective and support routine compliance activities.
  • Need to support technology improvements, such as new infrastructure install and hardware/software upgrades, and engineering support.

Relevant Certifications preferred:
  • Checkpoint, Palo Alto and Juniper firewalls.

Education Level Required:
  • Bachelor's Degree preferred

Years of Related Experience:

3-5 years

CCNA role:


• Expert in Load Balancers (F5 and Citrix), Juniper Routers, WAN Accelerators/Optimizers (Riverbed), DNS Appliances, QIP/DHCP services
• Wi-Fi/Wireless communications support and Other small pockets of both new and legacy internetworking technologies
• Should be expert in enterprise TCP/IP communications (IPv4, QoS, IPSEC, etc), enterprise standard Ethernet media types: Fastethernet, Gigabit and TenGigabit
• Should be expert in Cisco routers and switches, WANs, (T1, T3, MPLS),routing protocols: EIGRP, BGP, OSPF, RIP
• Should be expert in network protocol analysis using industry standard toolsets such as Ethereal Wireshark, etc. Familiarity with Netflow data exports and data collection/analysis
• Should be expert in IPSLA probes, application specific network performance analysis, packet analysis, Embedded Event Managemer and TCP/IP optimization mechanisms for maximizing application performance across enterprise networks
• Strong working knowledge of common security threats facing enterprise networks including DDOS (Distributed Denial of Service) and various defensive mechanisms and threat mitigation strategies
• Thorough understanding of large scale environments
• Strong presentation and verbal communication skills
• Process-oriented individual with strong attention to detail, and strong organizational skills
• Ability to build consensus
• CCNA certified is must
• Strong interpersonal skills