Infrastructure Specialist

Avensys is a reputed global IT professional services company headquartered in Singapore. Our service spectrum includes enterprise solution consulting, business intelligence, business process automation and managed services. Given our decade of success we have evolved to become one of the top trusted providers in Singapore and service a client base across banking and financial services, insurance, information technology, healthcare, retail, and supply chain.

We are currently looking to hire Senior Infrastructure Engineer.

This is an exciting opportunity to expand your skill set, achieve job satisfaction and work-life balance. More details as below.

Job Type: One-year Renewable Contract

Responsibilities:

• Deliver advanced support and operational maintenance for:
• Windows Server Environments (2016, 2019, 2022)
• Active Directory, DNS, DHCP, Group Policy
• Endpoint Management Tools: BigFix, SCCM, WSUS
• VMware: ESXi, vCenter, vSphere environments
• PowerShell scripting for automation and reporting
• SharePoint (On-prem and Online) administration and access management
• Manage and resolve incidents, problems, and complex service requests in a production environment.
• Provide technical escalation support to L1/L2 teams and perform deep-dive analysis and troubleshooting.
• Monitor system performance, ensure availability, and conduct proactive capacity and patch planning.
• Execute recurring operational tasks like health checks, patch deployment, policy enforcement, and security validation.
• Prepare and maintain technical documentation, incident reports, and SOPs.
• Coordinate with vendors and OEM support teams for product-related escalations and issue resolution.

Optional / Good to Have:

Experience in Directory & Authentication Systems:

• Active Directory Federation Services (ADFS), Azure AD / Microsoft Entra ID
• LDAP, PKI, and DNS Infrastructure
• SAML, OAuth, and MFA implementations
• Identity lifecycle and compliance policy enforcement

Cross-Technology Support:

The candidate is expected to demonstrate flexibility and adaptability in supporting technologies beyond their core responsibilities. Depending on evolving project needs, organizational direction, or strategic initiatives, the engineer may be required to learn, transition into, or contribute to other technology domains within the infrastructure or application landscape. A continuous learning mindset and willingness to take ownership across diverse technical areas are essential to ensure seamless and future-ready IT operations.

In line with operational needs, the candidate should also be open to supporting adjacent platforms and technologies such as:

• Application support teams
• End-user computing (EUC) and desktop infrastructure
• Infrastructure monitoring tools and alert management
• File servers, license servers, and other enterprise platforms

Requirements:

• Minimum 5+ years of enterprise IT operations/support experience.
• Strong hands-on experience across:
• Windows Server administration, Active Directory, Group Policies
• VMware virtualization
• BigFix, SCCM (MECM), and WSUS
• PowerShell scripting
• SharePoint support and user access management
• Experience in ITIL-based service management (Incident, Change, Problem).
• Strong analytical thinking, documentation, and communication skills.
• Ability to function in on-call rotations or shift-based support models.

WHAT’S ON OFFER

You will be remunerated with an excellent base salary and entitled to attractive company benefits. Additionally, you will get the opportunity to enjoy a fun and collaborative work environment, alongside a strong career progression.

To submit your application, please apply online or email your UPDATED CV in Microsoft Word format to [Confidential Information]. Your interest will be treated with strict confidentiality.

CONSULTANT DETAILS

Consultant Name: Preethi Kanthappan

Reg No: R1765546

Avensys Consulting Pte Ltd

EA Licence 12C5759

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