Senior Infrastructure Engineer

5 days ago

Singapore GXS Bank Full time

Get to know our Team

The Enterprise Technology team at GXS is dedicated to providing innovative and seamless technology experiences for all GXS employees. Our team comprises a diverse group of customer-focused technology professionals passionate about delivering exceptional and personalised IT support.

We understand that technology plays a crucial role in our organisation's success and strive to ensure our employees have the tools and resources they need to be productive and efficient. We are committed to staying ahead of the curve in the ever-evolving world of technology and are constantly exploring new and innovative ways to enhance the technology experience for our employees.

We are looking for talented and motivated individuals who share our passion for technology and our commitment to customer service. If you are a team player with a strong work ethic and a desire to make a difference, we encourage you to join our expanding team. Together, we can continue to drive innovation and deliver exceptional technology experiences to all GXS employees.

Get to know the Role

The Senior Infrastructure Engineer is expected to be a Subject Matter Expert (SME) covering network infrastructure maintenance and support, with a strong focus on cloud technologies. This role requires an in-depth understanding of how networks operate and are managed, particularly within a hybrid cloud environment which combines both on-premise and cloud-based resources. This will entail configuring and managing network components, monitoring network performance to identify and resolve bottlenecks or latency issues, troubleshooting any network problems that arise, and implementing robust security measures to safeguard the network from unauthorised access and potential threats. You are expected to:

  • Configure and maintain various network devices and services (e.g., routers, switches, firewalls, load balancers, VPN) in both on-premise and cloud environments. New installations may occur in the event of an architectural change..
  • Support IT infrastructure-related work, including maintaining internet connections, Wi-Fi access points, network upgrades, office builds, expansions, and relocations, with a focus on ensuring seamless connectivity to the cloud environment.
  • Actively participate in engaging with Business Stakeholders, internal IT Teams, and Vendors to manage project outcomes related to infrastructure maintenance and upgrades.
  • Lead network infrastructure design for architectural changes and actively participate in operation reviews within the Change Management process.
  • Lead and participate in problem-solving efforts, service restoration, minimising downtime and outages across both on-premise and cloud infrastructure.
  • Demonstrate technical influence within and outside your team, driving best practices and increasing overall productivity in infrastructure management and security.
  • Communicate your ideas effectively to achieve the right outcome for your stakeholders and team.
  • Actively drive knowledge sharing and continuous improvement within and outside your organization, particularly in the areas of cloud networking and security.
  • Liaise with ISPs and vendors to provide required services and infrastructure, including managing direct network connectivity between on-premise and cloud environments.
  • Ensure network infrastructure complies with banking industry regulations and standards, addressing vulnerabilities and maintaining a strong security posture across the hybrid environment.
  • Manage and support payment infrastructure connectivity, including SWIFT and BCS FAST payment systems, ensuring secure and reliable connectivity within the cloud environment and to external partners.
The must have skills

Required Qualifications:
  • Bachelor's degree in computer science, software engineering, information technology, or a related field, with 5+ years of experience in a medium to large enterprise infrastructure environment, with significant experience in cloud infrastructure.
  • Extensive experience in the design, implementation (for architectural changes and new requirements), and troubleshooting of routing, switching, security (firewalls, VPNs, intrusion detection/prevention systems), and wireless LAN in both on-premise and cloud environments.
  • Strong understanding and practical experience with cloud networking services (e.g., VPC, Subnets, Route Tables, Security Groups, NACLs, Transit Gateway, Direct Connect or similar cloud connectivity solutions).
  • Solid knowledge of security best practices and technologies for both on-premise and cloud environments.
  • Project management and ITIL service operation experience, with demonstrable practical skills.
  • Willingness to learn new technologies and systems, and the ability to adapt to a fast-paced, changing environment, particularly in the cloud computing landscape.
  • Strong customer service and English communication skills, with the ability to prioritise and multitask.
  • In-depth knowledge of network infrastructure vulnerabilities and regulatory compliance within the banking industry.
  • Good understanding of cloud platforms, such as AWS, Azure, and GCP.
  • Holds one or more industry-recognised network or security certifications, such as CCNP, JNCIP, NSE4, NSE5, or cloud-specific security certifications.
Really nice to have skills
  • Experienced in infrastructure automation using scripting languages like Python, Go, Perl, or Bash
  • Possesses a good understanding of Site Reliability Engineering (SRE) principles and practices in the context of infrastructure management.
  • Knowledgeable in IaC (Terraform), DevOps and CI/CD practices to optimise infrastructure operations and deployments in the cloud.
  • Excellent stakeholder management skills, with the ability to clearly communicate technical concepts to non-technical stakeholders, including cloud infrastructure concepts.
  • Embraces a progressive, forward-thinking mindset and a positive attitude towards change and innovation, especially in adopting new cloud technologies and security practices.

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