Senior Network Engineer

4 days ago

Singapore SCIENTE INTERNATIONAL PTE. LTD. Full time
Roles & Responsibilities

Job Summary

We are seeking a highly skilled Senior Network Engineer with hands-on expertise in Cisco and Arista network switches, Palo Alto firewalls, and Aruba Wi-Fi solutions. The ideal candidate should bring 3–5 years of professional experience in network engineering, with prior exposure to a technical lead role.

Mandatory Skill-set

  • 3–5 years of working experience in network engineering roles;
  • Must have hands-on experience with Cisco and Arista switches (configuration, implementation, optimization);
  • Strong knowledge of Palo Alto firewalls (security policies, VPN, threat prevention, rule optimization);
  • Must have experience managing Aruba Wi-Fi solutions, including access point configuration, controller management, and wireless performance tuning;
  • Good understanding of network routing, switching protocols, and network security principles;
  • Ability to troubleshoot complex networking issues across LAN/WAN, wireless, and security devices;
  • Excellent documentation, communication, and stakeholder engagement skills.

Desired Skill-set

  • Prior experience in a technical lead capacity (guiding junior engineers, leading network projects);
  • Familiarity with network automation or scripting (Python, Ansible) for efficiency;
  • Experience with network monitoring tools (SolarWinds, PRTG, or similar);
  • Certifications such as CCNP, Arista Certified Engineer, Palo Alto PCNSE, or Aruba Certified Professional are advantageous;
  • Exposure to cloud networking (AWS, Azure, GCP) and integration with on-premises infrastructure.

Responsibilities

  • Design, configure, and maintain Cisco and Arista network switching environments to meet performance and scalability needs;
  • Administer and secure Palo Alto firewalls, ensuring robust perimeter security, VPN connectivity, and compliance with security standards;
  • Manage and optimize Aruba Wi-Fi deployments, ensuring seamless wireless coverage and end-user connectivity;
  • Perform advanced troubleshooting and root cause analysis for complex networking issues;
  • Collaborate with cross-functional teams to support business applications, cloud connectivity, and digital transformation initiatives;
  • Document network diagrams, configurations, and standard operating procedures;
  • Lead or support network infrastructure projects, upgrades, and migrations;
  • Mentor junior engineers and contribute to developing best practices for network security and performance.

Should you be interested in this career opportunity, please send in your updated resume to apply@sciente.com at the earliest.

When you apply, you voluntarily consent to the disclosure, collection and use of your personal data for employment/recruitment and related purposes in accordance with the SCIENTE Group Privacy Policy, a copy of which is published at SCIENTE's website (https://www.sciente.com/privacy-policy).

Confidentiality is assured, and only shortlisted candidates will be notified for interviews.

EA License No. 07C5639

Tell employers what skills you have

Switches
Network Engineering
CCNA
CCNP
Routing
Cisco
Wireless
Network Automation
Performance Tuning
Routers
Network Switches
Network Security
Cisco Switches
BGP
Firewalls

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