Senior Network Infrastructure Engineer - Hybrid (3 days onsite)

HCLTech

Singapore

Hybrid

SGD 120,000 - 180,000

Full time

9 days ago

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Benefits offered by this job

Hybrid work model

Job summary

HCLTech is seeking a senior network engineer to manage and support enterprise LAN/WAN, wireless, and remote access infrastructures. You will troubleshoot complex issues, perform capacity planning, and ensure high availability while maintaining security standards.

You will collaborate with cross-functional teams, vendors, and customers, document networks, and contribute to continuous improvement with a focus on stakeholder satisfaction. Hybrid work with three onsite days is required.

Qualifications

7+ years of experience in network engineering, network operations, infrastructure support, or related network services roles within enterprise environments.
Hands-on experience managing and supporting enterprise LAN/WAN infrastructure, routing and switching technologies, and network connectivity services.
Strong knowledge of DDI (DNS, DHCP, and IP Address Management), wireless networking, firewall administration, and network security principles.
Proven experience with network performance monitoring, capacity planning, incident management, and root cause analysis.
Experience working with enterprise networking technologies such as Cisco, Palo Alto, Fortinet, Aruba, and VPN/remote access solutions.
Demonstrated ability to troubleshoot complex network and infrastructure issues in fast-paced, mission-critical environments.
Strong customer engagement, stakeholder management, and service delivery capabilities.
Excellent communication and collaboration skills, with the ability to work effectively across cross-functional and geographically distributed teams.
Experience supporting infrastructure transformation, migration, or modernization projects is highly desirable.
Professional certifications such as Cisco CCNP/CCIE, Fortinet NSE, or Palo Alto PCNSA/PCNSE are preferred.
Fluency in the local language is required, with good written and verbal communication skills in English.
Willingness to work in a hybrid environment with a minimum of three days onsite at the customer location.

Responsibilities

Manage, maintain, and support enterprise network infrastructure, ensuring high availability and optimal performance across LAN, WAN, wireless, and remote access environments.
Monitor network health, analyze performance metrics, and identify opportunities for capacity planning and continuous improvement.
Troubleshoot and resolve complex network and infrastructure issues while adhering to SLAs.
Configure, implement, and support routing, switching, DDI, wireless, and network security solutions.
Administer firewall technologies, VPN solutions, and secure remote access platforms in line with security policies.
Collaborate with internal teams, vendors, and stakeholders on projects, upgrades, migrations, and transformations.
Participate in incident, problem, and change management to ensure timely resolution and risk mitigation.
Develop and maintain technical documentation, network diagrams, procedures, and knowledge base articles.
Provide technical guidance to junior team members and foster a culture of operational excellence.