Network Resident Engineer

KRIS INFOTECH PTE. LTD.Singaporemycareersfuturepublished 11/13/2026
Must-have:Security

Job Description:

  • Provide onsite operational support for enterprise network infrastructure.
  • Will be responsible for delivering Level 1 and Level 2 support, ensuring the availability, stability, and performance of LAN/WAN environments while supporting daily network operations, troubleshooting, and change implementation.
  • The role requires hands-on experience with routing and switching technologies, network monitoring, incident management, and collaboration with Level 3 teams and OEM vendors to maintain a secure and resilient network environment.

Key Responsibilities:

Operational Support:

  • Provide L1 and L2 support for enterprise network infrastructure.
  • Handle incidents, service requests, and operational issues within agreed service levels.
  • Perform troubleshooting and root cause analysis of network connectivity and performance issues.
  • Escalate complex issues to L3 support teams and OEM vendors as required.
  • Monitor network performance, availability, and utilization to ensure operational stability.

Network Administration:

  • Support and administer:
  • LAN and WAN infrastructure
  • Cisc- Catalyst switching environments
  • Aruba networking solutions
  • Routing and switching technologies
  • VPN connectivity services
  • Perform network configuration, provisioning, and maintenance activities.
  • Support network expansion, relocation, and optimization projects.
  • Maintain network device inventory and configuration documentation.

Monitoring & Troubleshooting:

  • Monitor network infrastructure using enterprise monitoring tools.
  • Troubleshoot network issues related to:
  • Routing and switching
  • VLANs and network segmentation
  • VPN connectivity
  • Interface and link failures
  • Network performance degradation
  • Coordinate with telecom providers, OEMs, and internal teams for issue resolution.

Change & Compliance Management:

  • Implement approved network changes following established change management processes.
  • Support firmware upgrades, patching, and maintenance of network devices.
  • Ensure adherence t- security standards and operational policies.
  • Participate in vulnerability remediation and compliance activities.

Documentation & Service Management:

  • Follow ITIL-based Incident, Problem, Change, and Request Fulfilment processes.
  • Maintain and update SOPs, network diagrams, technical documents, and operational runbooks.
  • Provide regular operational updates and service reports.
  • Participate in service reviews and continuous improvement initiative.

Requirements:

  • Diploma or Bachelor's Degree in Information Technology, Computer Science,
  • Network Engineering, Telecommunications, or a related discipline.
  • 4 t- 6 years of relevant hands-on experience supporting enterprise network environments.
  • Experience providing L1 and L2 operational support in production environments.
  • Strong troubleshooting and analytical skills with a customer-focused mindset.

Required Technical Skills:

  • Network Infrastructure:
  • LAN/WAN Technologies
  • TCP/IP Networking
  • Routing and Switching
  • VLAN Configuration and Management
  • Network Performance Monitoring
  • Network Troubleshooting
  • Network Platforms:
  • Cisc- Catalyst Switches
  • Aruba Network Solutions
  • VPN Technologies
  • Basic Firewall Administration and Troubleshooting
  • Service Management:
  • Incident Management
  • Service Request Fulfilment
  • Change Management
  • Escalation Management
  • Technical Documentation and Knowledge Management

Preferred Certifications:

  • Cisc- Certified Network Associate (CCNA)
  • Cisc- Certified Network Professional (CCNP) Enterprise
  • Aruba Certified Network Technician (ACNT)
  • Aruba Certified Switching Associate (ACSA)
  • ITIL Foundation Certification

Key Competencies:

  • Strong customer-facing and communication skills.
  • Good understanding of ITIL processes and service delivery practices.
  • Experience maintaining operational documentation, SOPs, runbooks, and network diagrams.
  • Strong analytical and troubleshooting capabilities.
  • Ability t- work independently in an onsite resident engineer capacity.
  • Effective stakeholder, vendor, and team collaboration skills.
  • Proactive approach t- operational excellence and continuous service improvement.

Experience Requirement:

  • 4 - 6 years of hands-on experience supporting enterprise network infrastructure.
  • Experience handling incidents, service requests, troubleshooting, and change implementation.
  • Familiarity with Cisc- and Aruba networking environments in medium t- large enterprise organizations.
  • Experience coordinating with OEM vendors and escalation teams for advanced issue resolution.