Network Administrator

3 years exp

**Roles & Responsibilities**

Summary
- Deliver the IT infrastructure services strategies and manage infrastructure-related issues, which directly or indirectly impact business performance. This includes the evaluation, conceptualisation, development, implementation, maintenance and support of IT infrastructure systems.
- Be responsible for the achievement of short-term operational targets of the INFSVC division
- Possess a fair degree of autonomy in determining the work processes in its job area and is required to review the existing work processes in its work area and recommend ways to make small improvements.
- Guide junior level staff on the accomplishment of tasks within a defined job area.

**Responsibilities**:
Network Administration
- Perform system and network administration in a heterogeneous environment (production, DR, test) comprising of network & security equipment (eg. routers, firewalls, cryptography equipment), telecommunication links and Sun Solaris servers and Windows-based servers
- Configure firewall rules and monitor the intrusion detection systems
- Perform system and network upgrade and enhancement on IT infrastructure components
- Implement network, operating system and product-specific security hardening & patches
- Monitor obsolescence of IT infrastructure components (network systems)
- Monitor expiry and perform renewal of network system password and certificates
- Implement a schedule of system and network backups operations to ensure data recoverability and business continuity
- Develop and implement disaster recovery plans for IT infrastructure (network systems) and conduct regular disaster recovery testing and component switchover exercises to ensure usability of standby and DR equipment

Incident & Problem Management
- Providev2nd level network support and resolve incidents and problems in accordance to established Service Level Agreement (SLA)
- Perform problem diagnosis on incidents and propose & implement measures to prevent recurrence

Change & Release Management
- Schedule and release network system changes to production environment in accordance to the change management process / procedures

Configuration Management
- Develop and maintain a comprehensive operating system hardware and software configuration database / library of all IT infrastructure components used in the production environment

Capacity & Performance Management
- Perform infrastructure system and network capacity monitoring and planning
- Monitor and perform performance tuning to optimize network performance

Process Management
- Devise and implement the underlying processes supporting IT service management, in conformance to corporate security policies and guidelines

Project Management & Support
- Provide infrastructure (system & network) support to projects in accordance to the project timeline
- Manages infrastructure enhancement / upgrade projects in accordance to established project management guidelines

Documentation
- Develop and maintain technical and process documents to upkeep IT infrastructure

**Requirements**:

- Degree in Information Technology and related discipline
- Preferably, attained CCNA, CCNP, MCSE, CCSA, CCSE
- At least 3 years hands-on experience in managing network and security equipment such as Firewalls, Intrusion Detection systems, Routers, Switches, Load Balancer, VPN, DNS
- Good to have experience/ industry certification for firewall and public cloud administration
- Proficiency with MS Word, MS Excel, MS Access and MS PowerPoint.

Banking Computer Services Private Limited (BCS) is a subsidiary of NETS Group.

The NETS Group is a leading payments services group, enabling digital payments for merchants, consumers and banks across the entire payments value chain.

The Group operates Singapore’s national debit scheme enabling customers of DBS Bank/POSB, HSBC, Maybank, OCBC Bank, Standard Chartered Bank and UOB to make payments using their ATM cards or mobile devices at more than 100,000 acceptance points in the country as well as online payments. The NETS network also accepts NETSPay, UnionPay and BCA cards and includes 35,000 Unified POS terminals and 30,000 QR acceptance points. NETS is also the issuer of Cashcard and Flashpay cards.

The NETS Group manages and operates the clearing and payment infrastructure for the Singapore Clearing House Association and core electronic transfer services FAST, Inter-bank GIRO and PayNow.

It is the market leader for payment and clearing solutions (Real-time Gross Settlement system and Cheque Truncation System) in the region with some S$1trillion in transaction value processed through its system every year.

NETS is a member of the Asian Payment Network and a council member of UnionPay International.