L3 Network Security Engineer _ Contract
NTT SINGAPORE PTE. LTD.
Employment Type: 12-Month Contract, Renewable
Employment: NTT
Location: Singapore
About the Client
Our client is a leading global investment organisation headquartered in Singapore , managing a diversified portfolio across multiple asset classes and global markets. The organisation operates a large-scale, highly secure enterprise technology environment and places strong emphasis on infrastructure resilience, operational excellence, security, and automation.
We are looking for an experienced L3 Network Security Engineer with strong hands-on Cisco networking expertise to support and manage complex enterprise network infrastructure.
Key Responsibilities
- Provide L3 network and network security engineering support for complex enterprise infrastructure.
- Manage, configure, troubleshoot and optimise Cisco network infrastructure , including routers and switches.
- Support and troubleshoot network security technologies including Palo Alto, Check Point and Fortinet firewalls .
- Support F5 load balancers and application delivery infrastructure.
- Manage and troubleshoot Infoblox DNS, DHCP and IPAM services.
- Configure and troubleshoot BGP, OSPF, VLANs, STP, ACLs and other Layer 2/Layer 3 technologies .
- Handle complex L3 network/security incidents, perform Root Cause Analysis (RCA) and drive issues through to resolution.
- Perform network and security configuration changes, upgrades, migrations, patching and implementation activities.
- Develop and enhance network automation using Python and Ansible to improve operational efficiency and reduce manual activities.
- Monitor network availability, security, performance and capacity across production environments.
- Troubleshoot connectivity, firewall, routing, latency, packet loss and application traffic issues.
- Work closely with infrastructure, cybersecurity, application and operations teams on technical issues and implementations.
- Participate in major incident management and provide technical expertise for critical production issues.
- Maintain network/security documentation, configurations, diagrams, SOPs and operational procedures.
- Ensure network infrastructure complies with enterprise security, resilience, availability and operational standards .
Requirements
- Requirements
7+ years of hands-on Network / Network Security Engineering experience , preferably in large-scale enterprise environments.
Strong hands-on experience supporting Cisco network infrastructure .
Strong experience across multiple network and security technologies including Palo Alto, Check Point, Fortinet, Infoblox and F5 .
Strong knowledge of routing, switching, TCP/IP, BGP, OSPF, LAN/WAN and VLAN .
Hands-on experience with firewalls, network security and security policy management .
Experience with F5 load balancing and application delivery technologies.
Experience with Infoblox DNS, DHCP and IPAM .
Strong network automation experience using Python and Ansible .
Strong L3 troubleshooting, incident resolution and Root Cause Analysis (RCA) experience.
Experience supporting highly available, business-critical production environments.
CCIE certification is highly preferred.
Experience within banking, financial services, investment management or other large enterprise environments will be advantageous.
Certifications
CCIE certification is highly preferred , particularly:
- CCIE Enterprise Infrastructure (CCIE-EI)
- CCIE Security
- CCNP Enterprise / CCNP Security may also be considered
- Relevant certifications in Palo Alto, Check Point, Fortinet or F5 will be advantageous
Why Join?
This is an opportunity to work within a large-scale, highly sophisticated enterprise network environment supporting critical infrastructure for a leading global investment organisation.
The position is offered as a 12-month renewable contract with NTT , with the opportunity to work on complex enterprise networking technologies and infrastructure initiatives.
Interested candidates are kindly requested to email their CV with their experience to ***email_hidden***
We look forward to your application!
6500 - 10000 SGD
...Employment Type: 12-Month Contract, Renewable Employment: NTT Location: Singapore... ...organisation operates a large-scale, highly secure enterprise technology environment and... ...automation. We are looking for an experienced L3 Network Security Engineer with strong hands-on...8000 - 10500 SGD
...Key Responsibilities Provide L2/L3 support for enterprise network and network security infrastructure. Troubleshoot incidents and ensure SLA compliance. Perform network changes following Change Management processes. Required Skills ~5+ years of experience supporting...9000 - 11500 SGD
...an off day. Shift Pattern A: Sun to Wed Shift Pattern B: Wed to Sat Responsibilities: • Operational Support of Network Perimeter Security technologies o Fortinet, Checkpoint, and Trend Micro • Technical areas of focus include but are not limited to firewall...8000 - 11000 SGD
...motivated and experienced Tier 3 Principal Engineer to join the Competency Specialist Office... ...support, troubleshooting complex network issues, and maintaining enterprise network... ...expertise across enterprise networking, security, wireless, and data centre technologies,...- ...Senior Network Engineer – L3 Important Information Location: Singapore 12 months contract Job Summary As a Senior Network Engineer, you will be responsible in providing Tier-3 support for enterprise networks including Cisco, Juniper, Palo Alto, and Fortinet...
4500 - 7000 SGD
...Provide project deployment for customers' Enterprise IT Network Services. Work closely with Project Manager to fulfil project deliverables... ...WAN/WLAN: Cisco, Alcatel, Aruba routers and switches Network security solutions o Security appliances: Palo Alto, Fortinet,...8000 - 9400 SGD
...Role Summary We are looking for Network Engineers who experienced in designing, implementing, and maintaining Enterprise-level network... ...implementing zero-trust network architectures (d) Cloud Network Security (Core): Azure Firewall: Design and implementation in Azure...4000 - 6500 SGD
...Device discovery and profiling Policy tuning and optimization Network Access Control (NAC) administration Integration with Cisco... ...are highly desirable ~3 to 5 years of experience in network security, NAC, or device profiling roles Work Arrangeme nt EA Number...5000 - 5500 SGD
...Role Summary The Network & Security will be responsible for deliveringenterprise network and security projects, supporting presales activities... ...as-built diagrams. Work closely with project managers, engineers, vendors, and customers to ensure successful project delivery...6000 - 12000 SGD
...Responsibilities • Define, architect, and drive the organization's network security strategy across on-premises, cloud, and hybrid environments.... ...leadership, mentoring, and knowledge transfer to L1–L3 engineers, fostering operational excellence. • Collaborate with cross...3500 - 4500 SGD
...configure, and deploy LANs, WANs, wireless networks, and other network components. Install... .... Implement and enforce network security policies, including firewalls, VPNs, and... ...experience). Proven experience as a Network Engineer or in a similar role. Strong...6500 - 9500 SGD
...Implementation, and Maintenance of Trading-related Network infrastructure, such as: Market Data... ...knowledge and experience with Network Security systems in a financial trading environment, including the Architecture, engineering, implementation and operations of the different...3000 - 4500 SGD
...Work with the Sr. Network and Security Engineer and Cybersecurity Manager on the strategic roadmap on Infrastructure security, Network Security, Application Security, End Point Security management group wide. Assist in driving regionally assigned IT security and Network...6500 - 8000 SGD
...About us: Our client are looking for an experienced Network Security Engineer to design, implement, maintain, and support enterprise IT security infrastructure for customer environments. This role is ideal for someone with strong hands-on experience in firewall technologies...7000 - 9000 SGD
...Summary of the position: The cyber-Security Engineer is a Level-2 position responsible cybersecurity operational support and maintaining our organization’s network security infrastructure. He/She supports day-to-day cybersecurity operational activities including Incident...7000 - 9000 SGD
...Our client is seeking an experienced Security Engineer to join a growing cybersecurity team responsible for designing, implementing, and managing... ...professional with strong technical expertise across endpoint, network, identity, and cloud security technologies. Key...5000 - 10000 SGD
...ALTEN Group is a world leader in Engineering and Technologyconsulting services providing outsourced Engineering, R&D, and IT Servicesfor... .... Responsibilities · Preventive Maintenance for Network & Security Equipment Ø Perform quarterly preventive maintenance (PM)for...8000 - 10000 SGD
...We are seeking an experienced Senior Network Security Engineer / Lead to drive the end-to-end engineering, deployment, and management of DMZ security services across the APAC region within a global banking environment. The role involves designing, implementing, and supporting...- ...established organisation in the IT security industry, headquartered in... ...Maintain and optimise network infrastructure to ensure reliable... ...Applicant A successful Network Engineer should have: A strong... ...of specialisation? Location Contract Type Consultant name Cheryl...
- ...and Team: Being the Advanced Tier 3 engineer in the Global Network Services organization, you will be... ...Routing/Switching, SDN, DCN, Cloud and Security technologies. Your responsibilities shall... ..., Spanning tree, VRF, Wireless, L2/L3 E-VPN, F5 and DWDM). Experience with...
8000 - 10000 SGD
...Position Summary We are seeking a highly skilled Network Security Engineer with Subject Matter Expert (SME)–level expertise in AlgoSec Security Management solutions. The ideal candidate will have expert-level hands-on experience with AlgoSec firewall automation and integration...7000 - 10000 SGD
...We are looking for a Senior Network Engineer to design, implement, and support secure, high-availability network solutions for complex Air Traffic Management (ATM) and mission-critical systems. The role will lead network engineering activities across project delivery, integration...7000 - 9000 SGD
...Job Summary Lead and support enterprise network infrastructure projects focusing on Cisco... ...and intra-tenant traffic flows and contracts to ensure secure and efficient network segmentation Configure and troubleshoot L2 outs, L3 outs, and VMM integration within data center...12000 - 20000 SGD
...Responsibilities Own and evolve the security architecture for the TradeNet Critical Information... ...implementation. Work hands-on with engineering teams to implement security controls and... ...Encryption and key management Network segmentation and Zero Trust Secure SDLC...- ...expert-level support to resolve intricate network problems and incidents swiftly.... ...seamlessly with Level 1 and Level 2 network engineers to conceptualize and implement cutting-edge... ...configurations, network segmentation, and robust security measures. Mentor and empower junior...
6000 - 8000 SGD
...the Enterprise and Regional LAN and WAN network infrastructure, including Firewalls, Routers... ..., Access Points, Identity Service Engine, and other campus network enabling technology... ...performance planning and other compliance and security fulfillment. Able to translate user or...4000 - 5000 SGD
...: Manage wired and wireless network access infrastructure; and support... ...escalate, if necessary, L2 and L3 issues 4. Monitor... ...tasks to ensure compliance for secure configuration, configuration backup... ...agreements and telco circuits contracts, procure contract renewal and make...5000 - 8000 SGD
...To configure, implement and maintain all security platforms (E.g. Firewall, Intrusion Prevention... ...devices are configured in accordance network security best practices • Perform... ...Requirements • Diploma/Degree in Engineering or IT / Bachelor Degree in Computer with...9000 - 12000 SGD
...Artificial Intelligence & Data Analytics – a strategic engine driving our transformation designed to scale our AI ambitions... ...Lead the design, implementation and operations of secure, resilient and scalable network and connectivity architecture for Singtel's Central AI Platform...5 - 10 SGD
...Contract to Hire mode - Seni0or Network Security Engineer role - The candidate must be very comfortable configuring firewall rules and policies for both client connectivity and other security requirements of the network. Ability to analyze firewall logs and policies to...
Do you want to receive more vacancies?
Subscribe and receive similar vacancies to L3 Network Security Engineer _ Contract. Be the first to apply!
