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Senior Network Engineer – Infrastructure, Security Job Opening In Geylang – Now Hiring Henderson Security Services Pte Ltd


Job description

Job Summary:

We are seeking a seasoned Senior Network Engineer with extensive experience in designing, implementing, and maintaining mission-critical network infrastructure across hybrid environments.

The ideal candidate will have deep technical expertise in enterprise routing and switching, network security, cloud-based networking (AWS/Azure/GCP), automation (Ansible, Python), and next-generation firewalling.

This role demands a proactive and strategic thinker capable of delivering low-latency, high-availability network solutions while ensuring scalability and compliance with global security standards.

Responsibilities:

  • Architect and implement highly available, scalable, and secure Layer 2/3 network solutions across multiple data centers, branch locations, and cloud environments.

  • Lead the migration of on-prem infrastructure to cloud-native networking architectures (e.g., AWS VPC, Transit Gateway, Azure VNets, etc.).

  • Design and optimize BGP/OSPF/MPLS/EVPN-based topologies for multi-homed ISP connectivity, WAN edge, and internal traffic engineering.

  • Provide Tier 3/4 level escalation support for complex networking incidents involving switching loops, asymmetric routing, DNS failures, etc.

  • Analyze pcap dumps, NetFlow, SNMP, and syslogs to perform deep-dive root cause analysis.

  • Perform regular network performance assessments and latency optimization across global circuits.

  • Design and enforce zero-trust network access (ZTNA) and microsegmentation policies using tools like Cisco ISE, Palo Alto, or Fortinet.

  • Collaborate with SecOps to implement network access controls, IDS/IPS, VPNs, and Next-Gen Firewalls.

  • Maintain compliance with regulatory standards such as ISO 27001, PCI-DSS, SOX, and HIPAA, including network audit preparation and documentation.

  • Automate network provisioning and configuration using Ansible, Python (Netmiko/NAPALM), or Terraform.

  • Integrate network telemetry with monitoring systems (e.g., SolarWinds, Zabbix, Prometheus, Grafana) for proactive alerting and capacity planning.

  • Develop custom scripts and playbooks to streamline repetitive tasks and enforce configuration compliance.

  • Work closely with cross-functional teams including CloudOps, DevOps, Security, and Application teams to ensure seamless connectivity.

  • Contribute to the development of network engineering standards, runbooks, and architectural documentation.

Requirements:

  • Bachelor's or Master's degree in Computer Science, Information Systems or related field.

  • At least 12 years of hands-on experience in enterprise or service provider networking.

  • Expert-level knowledge of:
  • Routing protocols (OSPF, BGP, EIGRP)
  • Switching technologies (VLANs, STP, VTP, VXLAN, LACP)
  • Security appliances (Palo Alto, Cisco ASA/Firepower, FortiGate)
  • Load balancers (F5, Citrix ADC, HAProxy)
  • Cloud networking (AWS VPCs, Azure NSGs, Direct Connect, ExpressRoute)
  • High-availability and failover configurations (VRRP, HSRP, GLBP)
  • Strong understanding of cybersecurity principles, including encryption, identity & access management (IAM), VPNs, SIEM/SOAR, and secure tunneling protocols.

  • Experience with IPAM/DHCP/DNS solutions like Infoblox.

  • Strong familiarity with IPv6, NAT64/DNS64, and dual-stack configurations.

  • Experience with SD-WAN solutions Cisco Viptela, Silver Peak, Fortinet SD-WAN.

  • Familiarity with Kubernetes networking (CNI plugins, service mesh).

  • Experience in regulated industries (finance, healthcare, telecom).

  • Working knowledge of SASE, NaaS, and emerging network paradigms.

  • Willingness to work in a rotational shift model, including nights, weekends, and holidays, if required for global support.

Required Skill Profession

Other General


  • Job Details

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Unlock Your Senior Network Potential: Insight & Career Growth Guide


Real-time Senior Network Jobs Trends (Graphical Representation)

Explore profound insights with Expertini's real-time, in-depth analysis, showcased through the graph here. Uncover the dynamic job market trends for Senior Network in Geylang, Singapore, highlighting market share and opportunities for professionals in Senior Network roles.

30908 Jobs in Singapore
30908
41 Jobs in Geylang
41
Download Senior Network Jobs Trends in Geylang and Singapore

Are You Looking for Senior Network Engineer – Infrastructure, Security Job?

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The Work Culture

An organization's rules and standards set how people should be treated in the office and how different situations should be handled. The work culture at Henderson Security Services Pte Ltd adheres to the cultural norms as outlined by Expertini.

The fundamental ethical values are:

1. Independence

2. Loyalty

3. Impartiapty

4. Integrity

5. Accountabipty

6. Respect for human rights

7. Obeying Singapore laws and regulations

What Is the Average Salary Range for Senior Network Engineer – Infrastructure, Security Positions?

The average salary range for a varies, but the pay scale is rated "Standard" in Geylang. Salary levels may vary depending on your industry, experience, and skills. It's essential to research and negotiate effectively. We advise reading the full job specification before proceeding with the application to understand the salary package.

What Are the Key Qualifications for Senior Network Engineer – Infrastructure, Security?

Key qualifications for Senior Network Engineer – Infrastructure, Security typically include Other General and a list of qualifications and expertise as mentioned in the job specification. The generic skills are mostly outlined by the . Be sure to check the specific job listing for detailed requirements and qualifications.

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Interview Tips for Senior Network Engineer – Infrastructure, Security Job Success

Henderson Security Services Pte Ltd interview tips for Senior Network Engineer – Infrastructure, Security

Here are some tips to help you prepare for and ace your Senior Network Engineer – Infrastructure, Security job interview:

Before the Interview:

Research: Learn about the Henderson Security Services Pte Ltd's mission, values, products, and the specific job requirements and get further information about

Other Openings

Practice: Prepare answers to common interview questions and rehearse using the STAR method (Situation, Task, Action, Result) to showcase your skills and experiences.

Dress Professionally: Choose attire appropriate for the company culture.

Prepare Questions: Show your interest by having thoughtful questions for the interviewer.

Plan Your Commute: Allow ample time to arrive on time and avoid feeling rushed.

During the Interview:

Be Punctual: Arrive on time to demonstrate professionalism and respect.

Make a Great First Impression: Greet the interviewer with a handshake, smile, and eye contact.

Confidence and Enthusiasm: Project a positive attitude and show your genuine interest in the opportunity.

Answer Thoughtfully: Listen carefully, take a moment to formulate clear and concise responses. Highlight relevant skills and experiences using the STAR method.

Ask Prepared Questions: Demonstrate curiosity and engagement with the role and company.

Follow Up: Send a thank-you email to the interviewer within 24 hours.

Additional Tips:

Be Yourself: Let your personality shine through while maintaining professionalism.

Be Honest: Don't exaggerate your skills or experience.

Be Positive: Focus on your strengths and accomplishments.

Body Language: Maintain good posture, avoid fidgeting, and make eye contact.

Turn Off Phone: Avoid distractions during the interview.

Final Thought:

To prepare for your Senior Network Engineer – Infrastructure, Security interview at Henderson Security Services Pte Ltd, research the company, understand the job requirements, and practice common interview questions.

Highlight your leadership skills, achievements, and strategic thinking abilities. Be prepared to discuss your experience with HR, including your approach to meeting targets as a team player. Additionally, review the Henderson Security Services Pte Ltd's products or services and be prepared to discuss how you can contribute to their success.

By following these tips, you can increase your chances of making a positive impression and landing the job!

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