Infrastructure Engineer – Windows Server Operations

Houston Skilled Consultancy; Singapore; Hybrid; SGD 60,000 - 90,000; Full time

Benefits offered by this job

Health and insurance benefits

Remote or hybrid options

Professional development opportunities

Job summary

Houston Skilled Consultancy is seeking an Infrastructure Engineer – Windows Server Operations to maintain and optimize Windows Server environments, ensuring secure, reliable IT service delivery. The role requires strong server administration, AD/identity management, monitoring, patching, and security discipline.

You will work with IT operations, cybersecurity, and service management teams to maintain availability, perform incident response, and drive automation and continuous improvement across

Qualifications

• Bachelor's degree or equivalent practical experience in a related field.
• Strong knowledge of Windows Server administration and enterprise infrastructure operations.
• Practical understanding of Active Directory, Group Policy, DNS, DHCP, and Windows authentication.
• Knowledge of server monitoring, performance troubleshooting, patch management, and system maintenance.
• Understanding of backup solutions, restoration procedures, and disaster recovery principles.
• Familiarity with virtualization technologies such as VMware or Microsoft Hyper‑V.
• Basic to intermediate PowerShell scripting skills for automation and administration.
• Understanding of TCP/IP networking, IP addressing, routing fundamentals, firewalls, and network troubleshooting.
• Knowledge of server security, access controls, vulnerability remediation, and system hardening.
• Familiarity with IT service management processes, including incident, problem, and change management.
• Ability to document technical procedures and communicate complex issues clearly.
• Strong analytical, organizational, troubleshooting, and problem‑solving abilities.
• Ability to work independently while collaborating effectively with cross‑functional teams.
• Relevant certifications, such as Microsoft Windows Server or hybrid infrastructure certifications, Microsoft Azure administration certifications, VMware certifications, or ITIL Foundation, are advantageous but not mandatory unless specified by the hiring team.

Responsibilities

• Install, configure, maintain, and administer Windows Server environments, including supported Windows Server versions.
• Manage server resources, system configurations, services, storage, and operating system settings.
• Monitor server health, availability, performance, and resource utilization to ensure optimal operation.
• Perform routine server maintenance, configuration updates, and operational checks.
• Maintain accurate server inventories, configuration records, and infrastructure documentation.
• Administer Active Directory Domain Services, organizational units, group policies, users, groups, and computer accounts.
• Support Group Policy Objects (GPOs) and implement configuration standards across server environments.
• Assist with DNS, DHCP, domain controller health, authentication, and directory replication troubleshooting.
• Support identity and access management processes in accordance with organizational security policies.
• Review administrative privileges and assist with access reviews and least-privilege implementation.
• Monitor infrastructure systems using appropriate monitoring and alerting tools.
• Investigate CPU, memory, disk, network, service, and application-related performance issues.
• Analyze system logs, event logs, alerts, and performance metrics to identify potential problems.
• Implement corrective actions to reduce recurring incidents and improve system stability.
• Recommend infrastructure improvements based on performance trends and operational requirements.
• Plan and execute operating system patching, security updates, and approved configuration changes.
• Coordinate maintenance windows, communicate planned outages, and validate systems after updates.
• Apply server hardening standards and support vulnerability remediation activities.

Skills

Windows Server Administration

Active Directory & Group Policy

PowerShell scripting

Hyper-V / VMware virtualization

TCP/IP networking

Education

Bachelor's degree in Computer Science or related

Tools

VMware vSphere

Microsoft Hyper-V

Job description

1. Job Summary

Houston Skilled Consultancy is seeking a skilled, proactive, and detail-oriented Infrastructure Engineer – Windows Server Operations to join its IT infrastructure and operations team. The successful candidate will be responsible for maintaining, managing, securing, and optimizing Windows Server environments to ensure reliable, secure, and efficient IT service delivery.

This role involves administering Windows Server operating systems, monitoring infrastructure performance, managing Active Directory services, troubleshooting complex technical issues, and supporting enterprise-level infrastructure operations. The Infrastructure Engineer will work closely with IT operations, network engineering, cybersecurity, application support, and service management teams to maintain system availability and meet business requirements.

The ideal candidate should have a strong understanding of Windows Server administration, infrastructure monitoring, system patching, backup and recovery, virtualization, and incident management. The role requires excellent analytical skills, a commitment to security best practices, and the ability to resolve infrastructure issues efficiently.

Candidates who enjoy solving technical challenges, improving system reliability, and contributing to continuous infrastructure improvement are encouraged to apply.

2. Key Responsibilities

• Windows Server Administration
  Install, configure, maintain, and administer Windows Server environments, including supported Windows Server versions.
  Manage server resources, system configurations, services, storage, and operating system settings.
  Monitor server health, availability, performance, and resource utilization to ensure optimal operation.
  Perform routine server maintenance, configuration updates, and operational checks.
  Maintain accurate server inventories, configuration records, and infrastructure documentation.
• Active Directory and Identity Management
  Administer Active Directory Domain Services, organizational units, group policies, users, groups, and computer accounts.
  Support Group Policy Objects (GPOs) and implement configuration standards across server environments.
  Assist with DNS, DHCP, domain controller health, authentication, and directory replication troubleshooting.
  Support identity and access management processes in accordance with organizational security policies.
  Review administrative privileges and assist with access reviews and least-privilege implementation.
• Server Monitoring and Performance Optimization
  Monitor infrastructure systems using appropriate monitoring and alerting tools.
  Investigate CPU, memory, disk, network, service, and application-related performance issues.
  Analyze system logs, event logs, alerts, and performance metrics to identify potential problems.
  Implement corrective actions to reduce recurring incidents and improve system stability.
  Recommend infrastructure improvements based on performance trends and operational requirements.
• Patch Management and Security
  Plan and execute operating system patching, security updates, and approved configuration changes.
  Coordinate maintenance windows, communicate planned outages, and validate systems after updates.
  Apply server hardening standards and support vulnerability remediation activities.
  Collaborate with cybersecurity teams to investigate security alerts and address infrastructure risks.
  Ensure server configurations align with internal policies, applicable compliance requirements, and industry best practices.
• Backup, Recovery, and Business Continuity
  Monitor backup jobs and verify that backup processes complete successfully.
  Troubleshoot backup failures and coordinate remediation with relevant technical teams.
  Support restoration testing, disaster recovery exercises, and business continuity activities.
  Maintain recovery procedures and infrastructure recovery documentation.
  Help ensure that recovery time and recovery point objectives are supported by the implemented infrastructure solutions.
• Virtualization and Infrastructure Support
  Support virtual server environments using platforms such as VMware vSphere or Microsoft Hyper-V, where applicable.
  Assist with virtual machine provisioning, configuration, resource allocation, and lifecycle management.
  Support server migrations, infrastructure upgrades, and capacity planning activities.
  Collaborate with storage, network, database, and application teams to resolve cross-platform issues.
  Contribute to infrastructure modernization, standardization, and automation initiatives.
• Incident, Problem, and Change Management
  Respond to infrastructure incidents, service requests, and technical escalations within agreed service-level targets.
  Diagnose root causes of server outages, authentication failures, connectivity issues, and system instability.
  Participate in problem management activities and implement measures to prevent recurring incidents.
  Follow established change management procedures, including risk assessment, approvals, implementation, and rollback planning.
  Maintain clear incident records, technical notes, resolution steps, and post-incident reports.
• Automation and Continuous Improvement
  Use PowerShell scripting to automate routine administration, reporting, monitoring, and maintenance tasks.
  Identify opportunities to reduce manual effort and improve operational consistency.
  Develop and maintain reusable scripts, operational checklists, and standard procedures.
  Participate in infrastructure projects, technical reviews, and process improvement initiatives.
  Share technical knowledge with colleagues and contribute to a collaborative IT operations environment.

3. Required Skills and Qualifications

• Bachelors degree in Computer Science, Information Technology, Computer Engineering, or a related discipline, or equivalent practical experience.
• Strong knowledge of Windows Server administration and enterprise infrastructure operations.
• Practical understanding of Active Directory, Group Policy, DNS, DHCP, and Windows authentication.
• Knowledge of server monitoring, performance troubleshooting, patch management, and system maintenance.
• Understanding of backup solutions, restoration procedures, and disaster recovery principles.
• Familiarity with virtualization technologies such as VMware or Microsoft Hyper‑V.
• Basic to intermediate PowerShell scripting skills for automation and administration.
• Understanding of TCP/IP networking, IP addressing, routing fundamentals, firewalls, and network troubleshooting.
• Knowledge of server security, access controls, vulnerability remediation, and system hardening.
• Familiarity with IT service management processes, including incident, problem, and change management.
• Ability to document technical procedures and communicate complex issues clearly.
• Strong analytical, organizational, troubleshooting, and problem‑solving abilities.
• Ability to work independently while collaborating effectively with cross‑functional teams.
• Relevant certifications, such as Microsoft Windows Server or hybrid infrastructure certifications, Microsoft Azure administration certifications, VMware certifications, or ITIL Foundation, are advantageous but not mandatory unless specified by the hiring team.

4. Experience

Candidates with approximately 2–5 years of relevant experience in Windows Server administration, infrastructure engineering, systems support, or enterprise IT operations are preferred. The precise experience requirement may vary according to the seniority of the position.

Relevant experience may include:

• Administering Windows Server environments in enterprise or mid‑sized organizations.
• Managing Active Directory, Group Policy, DNS, DHCP, and user access.
• Performing server patching, upgrades, maintenance, and configuration changes.
• Monitoring system performance and troubleshooting infrastructure incidents.
• Supporting virtual machines and virtualization platforms.
• Managing backup operations and participating in disaster recovery testing.
• Using PowerShell to automate recurring administrative tasks.
• Working with IT service management systems and established operational procedures.

Candidates with strong technical fundamentals and relevant hands‑on training may also be considered for suitable junior‑level opportunities, depending on the organizations hiring requirements.

5. Working Hours

Working arrangements will depend on the operational requirements and the specific employment agreement offered by Houston Skilled Consultancy.

Work Schedule: Full‑time, with standard business hours or a roster‑based schedule as required.

Shift Requirements: Rotational shifts, evening shifts, weekend coverage, or night shifts may be necessary to support infrastructure availability.

On‑Call Support: Participation in an on‑call rotation may be required for critical incidents and emergency maintenance.

Maintenance Windows: Occasional work outside normal business hours may be required for server patching, upgrades, migrations, and recovery testing.

Flexibility: Work arrangements, including remote, hybrid, or on‑site options, will depend on the assigned project and client requirements.

Availability: Employees are expected to follow established escalation procedures and meet agreed service‑level targets.

Specific working hours, shift allowances, overtime arrangements, and location requirements will be communicated during the recruitment process.

6. Knowledge, Skills, and Abilities

Technical Knowledge

Strong understanding of Windows Server architecture, administration, and troubleshooting.

Working knowledge of Active Directory, Group Policy, DNS, DHCP, and domain services.

Understanding of Windows security configurations, system logs, and performance monitoring.

Familiarity with virtualization, storage, backup, and recovery technologies.

Knowledge of PowerShell and basic infrastructure automation practices.

Awareness of cloud‑connected infrastructure and hybrid environments is beneficial.

Analytical and Problem‑Solving Skills

Ability to identify the underlying causes of infrastructure problems.

Skill in interpreting system logs, monitoring alerts, and performance data.

Ability to evaluate technical risks and recommend appropriate corrective actions.

Capacity to prioritize incidents according to business impact and urgency.

Communication and Collaboration

Clear written and verbal communication skills.

Ability to explain technical problems and solutions to technical and non‑technical stakeholders.

Willingness to collaborate with security, network, application, and service delivery teams.

Ability to produce accurate technical documentation and operational reports.

Organizational Abilities

Strong attention to detail when performing configuration changes and maintenance.

Ability to manage multiple incidents and tasks while meeting deadlines.

Commitment to change control, security policies, and operational procedures.

Willingness to learn new technologies and adapt to evolving infrastructure requirements.

Professional Attributes

A proactive and service‑oriented approach to infrastructure support.

Accountability for assigned tasks and technical outcomes.

A commitment to confidentiality, data protection, and responsible system administration.

Flexibility when responding to changing priorities and critical incidents.

A continuous improvement mindset focused on availability, reliability, and security.

7. Benefits

Houston Skilled Consultancy may offer a competitive benefits package depending on the employment arrangement, location, and applicable company policies.

Potential benefits may include:

• Competitive salary aligned with experience, technical expertise, and role responsibilities.
• Opportunities for technical training and professional development.
• Support for relevant industry certifications, subject to company policy.
• Exposure to enterprise infrastructure environments and complex technical projects.
• Opportunities to develop skills in server administration, virtualization, automation, and hybrid cloud technologies.
• Potential remote or hybrid working arrangements where supported by the assigned role.
• Paid leave and holidays in accordance with applicable employment policies and local regulations.
• Health and insurance benefits, where included in the employment package.
• Opportunities to collaborate with experienced infrastructure and IT operations professionals.
• Career development opportunities based on performance, business needs, and available positions.

The final benefits package will be confirmed by the recruiter during the interview and offer process. Applicants should verify all compensation and benefits details before accepting an offer.

8. Why Join Houston Skilled Consultancy?

Joining Houston Skilled Consultancy offers an opportunity to contribute to reliable and secure IT infrastructure operations while strengthening your technical expertise in Windows Server environments.

As an Infrastructure Engineer, you can build practical experience in enterprise server administration, infrastructure monitoring, identity management, security, virtualization, and automation. The position offers opportunities to work on meaningful technical challenges, improve operational processes, and develop a deeper understanding of how IT infrastructure supports business continuity.

Reasons to consider this opportunity include:

Technical Growth: Expand your Windows Server administration and infrastructure engineering capabilities.

Practical Experience: Work with server operations, troubleshooting, maintenance, and infrastructure improvement activities.

Security‑Focused Operations: Develop experience implementing secure configurations and supporting vulnerability remediation.

Automation Opportunities: Improve operational efficiency through PowerShell and repeatable administration practices.

Cross‑Functional Collaboration: Work with IT teams responsible for networks, applications, cybersecurity, and service delivery.

Career Progression: Build a foundation for future roles such as Senior Infrastructure Engineer, Windows Systems Administrator, Infrastructure Architect, or Cloud Infrastructure Engineer.

Continuous Learning: Strengthen your knowledge of evolving infrastructure technologies and operational best practices.

Houston Skilled Consultancy welcomes applicants who demonstrate technical curiosity, a strong work ethic, a commitment to service quality, and a willingness to contribute to dependable IT operations.