Entra Hybrid Authentication, NPS, VPN & VDI Engineer

OPTIMUM INFOSOLUTIONS (M) SDN BHD; Kuala Lumpur; On-site; MYR 120,000 - 180,000; Full time

Benefits offered by this job

Certifications support

Professional development

Contract role

Job summary

OPTIMUM INFOSOLUTIONS (M) SDN BHD in Kuala Lumpur is seeking an experienced Entra Hybrid Authentication, NPS, VPN & VDI Engineer on a contract basis to design, implement and maintain our hybrid authentication, network security, and remote access infrastructure.

You will collaborate with IT and security teams to ensure secure access, optimal performance, and compliance while documenting configurations, SOPs and architectural designs.

Qualifications

• Minimum 5+ years in network engineering, infrastructure or systems administration with hands-on hybrid authentication experience.
• Deep knowledge of Microsoft Entra ID (Azure AD), including hybrid identity, synchronization, and modern authentication protocols.
• Strong expertise in NPS, RADIUS, and network access authentication mechanisms.
• Experience designing and managing VPN solutions (site-to-site and remote access).
• Solid understanding of VDI platforms and user experience optimisation.
• Proficiency with Windows Server operating systems and Active Directory management.
• Knowledge of security protocols, SSL/TLS, MFA, and conditional access policies.
• Able to work independently and as part of a team; strong prioritisation and communication skills.
• Relevant certifications (Microsoft Identity Engineer Associate, Cisco, CompTIA Network+, or equivalent) are advantageous.

Responsibilities

• Design, deploy, and manage Microsoft Entra ID (Azure AD) hybrid authentication solutions, including Azure AD Connect and cloud-based identity services.
• Implement and maintain Network Policy Server (NPS) infrastructure for RADIUS authentication and network access control.
• Configure and manage VPN solutions, ensuring secure remote access while maintaining compliance and performance standards.
• Deploy, manage, and optimise VDI environments to support end-user computing requirements.
• Perform security assessments and vulnerability testing on authentication systems and network access controls.
• Troubleshoot and resolve complex issues related to hybrid authentication, network policies, VPN connectivity, and VDI performance.
• Document technical configurations, SOPs, and architectural designs for knowledge retention and compliance.
• Collaborate with infrastructure and security teams to ensure alignment with organisational security policies and best practices.
• Monitor system performance, implement patches, and perform regular maintenance activities to ensure availability and security.
• Provide technical support and guidance to IT staff and end-users regarding authentication, VPN, and VDI services.

Skills

Microsoft Entra ID (Azure AD)

NPS

VPN

VDI

Windows Server

Active Directory

MFA / Conditional Access

Hybrid identity

Documentation & SOPs

Team collaboration

Tools

Azure AD Connect

NPS (Network Policy Server)

RADIUS

VPN solutions

VDI platforms

Job description

Entra Hybrid Authentication, NPS, VPN & VDI Engineer

About the role

OPTIMUM INFOSOLUTIONS (M) SDN BHD is seeking an experienced Entra Hybrid Authentication, NPS, VPN & VDI Engineer to join our engineering team in Kuala Lumpur. This is a contract position that plays a critical role in designing, implementing, and maintaining our hybrid authentication infrastructure, network protection systems, virtual private networks, and virtual desktop infrastructure. You will be responsible for ensuring secure, reliable access to organisational resources whilst maintaining optimal network performance and user experience. This position is essential to our ongoing digital transformation initiatives and security posture.

Key Responsibilities

• Design, deploy, and manage Microsoft Entra ID (Azure Active Directory) hybrid authentication solutions, including Azure AD Connect and cloud-based identity services
• Implement and maintain Network Policy Server (NPS) infrastructure for RADIUS authentication and network access control
• Configure and manage virtual private network (VPN) solutions, ensuring secure remote access whilst maintaining compliance and performance standards
• Deploy, manage, and optimise virtual desktop infrastructure (VDI) environments to support end-user computing requirements
• Perform security assessments and vulnerability testing on authentication systems and network access controls
• Troubleshoot and resolve complex issues related to hybrid authentication, network policies, VPN connectivity, and VDI performance
• Document technical configurations, standard operating procedures, and architectural designs for knowledge retention and compliance
• Collaborate with infrastructure and security teams to ensure alignment with organisational security policies and best practices
• Monitor system performance, implement patches, and perform regular maintenance activities to ensure availability and security
• Provide technical support and guidance to IT staff and end-users regarding authentication, VPN, and VDI services

What We're Looking For

• Proven experience (5+ years) in network engineering, infrastructure, or systems administration with hands‑on expertise in hybrid authentication solutions
• Deep knowledge of Microsoft Entra ID (Azure AD), including hybrid identity, synchronisation, and modern authentication protocols
• Strong expertise in Network Policy Server (NPS), RADIUS, and network access authentication mechanisms
• Demonstrated experience designing and managing VPN solutions, including site‑to‑site and remote access VPN technologies
• Solid understanding of virtual desktop infrastructure (VDI) platforms, including configuration and user experience optimisation
• Proficiency with Windows Server operating systems and Active Directory management
• Knowledge of security protocols, SSL/TLS, multi‑factor authentication (MFA), and conditional access policies
• Ability to work independently and as part of a team, managing multiple priorities and technical challenges
• Strong problem‑solving skills with meticulous attention to detail and commitment to documentation
• Excellent communication skills and the ability to explain technical concepts to non‑technical stakeholders
• Relevant certifications such as Microsoft Certified: Identity Engineer Associate, Cisco, CompTIA Network+, or equivalent are advantageous

What We Offer

OPTIMUM INFOSOLUTIONS (M) SDN BHD is committed to providing our team members with a competitive working environment. As a contract employee, you will have the opportunity to work on cutting‑edge technology projects and expand your expertise in cloud identity management, network security, and infrastructure engineering. You will collaborate with a team of skilled professionals and have access to ongoing technical development opportunities. We believe in fostering a culture of innovation, continuous learning, and professional growth, and we support our engineers in achieving industry‑recognised certifications and staying current with emerging technologies.

About Us

OPTIMUM INFOSOLUTIONS (M) SDN BHD is a leading provider of IT infrastructure and solutions, specialising in enterprise technology deployment, cloud services, and network engineering. With a strong focus on delivering high‑quality solutions and maintaining the highest standards of service excellence, we partner with organisations across diverse industries to transform their IT infrastructure and enhance their operational efficiency. Our team is committed to leveraging the latest technologies and best practices to ensure our clients achieve their digital objectives whilst maintaining security, reliability, and scalability.