Senior Infrastructure & Network Engineer

Careerally Pte Ltd; Singapore; On-site; SGD 80,000 - 100,000; Full time

Job summary

A leading consultancy firm in Singapore is looking for a Senior Infrastructure & Network Engineer to manage enterprise network and security infrastructure. Responsibilities include supporting network operations, executing disaster recovery activities, and ensuring high availability of systems. Candidates should hold a Bachelor's degree and have at least 5 years of experience in managing network infrastructures with strong skills in troubleshooting and communication. The role offers up to $8,000 plus allowances and benefits.

Benefits

Shift Allowance

Comprehensive benefits package

Qualifications

• Minimum 5 years of hands-on experience managing network and security infrastructure.
• Strong experience with routers, switches, firewalls, and VPNs.
• Professional certifications such as CCNA or CCNP are preferred.

Responsibilities

• Administer and support network and security infrastructure.
• Monitor the health and performance of network systems.
• Implement and maintain network backup operations.

Skills

Network infrastructure management

Security infrastructure management

Troubleshooting

Analytical skills

Communication skills

Education

Bachelor's degree in IT or related field

Tools

Routers and switches

Firewalls

VPNs

Load balancers

DNS

Job description

Key Highlights

• Permanent Position
• Opportunity to work with a dynamic, industry-leading company
• Opportunities for professional growth and development.
• Up to $8,000 + Shift Allowance + Bonus + comprehensive benefits package

Our client is seeking a Senior Infrastructure & Network Engineer to manage and support enterprise network and security infrastructure across production, disaster recovery, and test environments. The role focuses on ensuring high availability, security, and resilience of critical systems supporting round-the-clock operations.

Responsibilities

• Administer and support network and security infrastructure across production, DR, and test environments
• Perform infrastructure hardening, upgrades, enhancements, and security patching
• Monitor infrastructure health, performance, capacity, and obsolescence of network systems
• Manage password and certificate renewals for network and security components
• Implement and maintain network backup operations to support business continuity and recoverability
• Execute disaster recovery activities, including DR testing and system switchovers
• Provide second-level network support and resolve incidents and problems within defined SLAs
• Conduct root cause analysis and implement preventive measures to minimise recurring incidents
• Support infrastructure and network requirements for projects and enhancements
• Plan, schedule, and implement network changes and releases in accordance with change management processes
• Maintain accurate configuration records and technical documentation
• Participate in 24/7 shift-based operational support

Requirements

• Bachelors degree in Information Technology, Computer Science, Information Systems, or a related discipline
• Minimum 5 years of hands-on experience managing enterprise network and security infrastructure
• Strong experience with routers, switches, firewalls, VPNs, load balancers, DNS, and NAC
• Experience supporting 24/7 operations in a shift-based environment
• Exposure to public cloud administration and hybrid infrastructure environments
• Familiarity with data centre operations
• Strong troubleshooting, problem-solving, and analytical skills
• Good written and verbal communication skills
• Ability to work independently and collaboratively in a team
• Customer-focused mindset with the ability to manage multiple priorities effectively
• Professional certifications such as CCNA, CCNP, Check Point (CCSA/CCSE), Palo Alto (PCNSA/PCNSE), Fortinet NSE, or Certified Network Defender (CND) are preferred

Interested applicants, please submit updated resume in MS format via the Apply button.

Position and remuneration will be commensurate with skills and experience.
We regret that only short-listed candidates will be contacted.

Careerally Pte Ltd | EA Licence: 24C2215
EA Registration No: R1874897