Required Services: Windows & Active Directory Systems Administrator
Duration: 6 months (default)
☒ Possibility of contract extensions based on performances
Location: Valencia, Spain, or Remote working on the CET time zone
ICC is committed to achieving diversity and inclusion within its workforce, providing an environment 
that reflects the values enshrined in the Charter of the United Nations and encourages all qualified 
applicants, irrespective of gender, nationality, disabilities, sexual orientation, culture, religious and 
ethnic backgrounds to apply. ICC is dedicated to the SDGs, making SDG-5 (Gender Equality) and SDG-10 
(Reduce Inequalities) the organization goals. 
https://www.un.org/sustainabledevelopment/sustainable-development-goals/
Background information:
UNICC seeking a Windows and Systems Administrator to join our Platform Operations team. The primary 
purpose of this position is to operate, maintain and troubleshoot systems, services, configurations, and 
core applications deployed within the Infrastructure and Platform Operations Unit - OPBO. 
Responsibilities include participating in planning and development of new features; proactive 
management of the environments as well as the forecasting of capacity needs; assisting with the 
deployment of new applications and services; working with other teams and play a key role in optimizing 
services. 
Required Profile:
Systems Administrator with have excellent communication skills who will work directly with costumers 
and other technical teams across the organization. Strong technical understanding of information systems 
to address issues that arise across the organization, investigate problems, interact with vendors, and serve 
as technical expert. The position has a 24×7 support requirement, so the incumbent must be willing, able, 
and available to participate in a regular on-call rotation, work a flexible schedule, and respond to out-ofband emergencies when the need arises.
Scope of Work / Duties of Consultant:
• Operate, maintain, and troubleshoot Windows systems within an enterprise-server environment
• Maintain best practices and procedures for patch management, virus management, and 
operating systems upgrades.

REQUEST FOR PROPOSAL
TERMS OF REFERENCE
• Active Directory Management, including managing and troubleshooting GPO's, DNS, and DHCP.
• Perform root cause analysis to troubleshoot system errors and client system issues.
• Define and implement security best practices and hardening of the Windows Server OS and 
related technologies.
• Build and manage Windows failover clusters. 
• Develop and maintain Standard Operating Procedures.
• Perform other duties as required
Required Technical Skills: 
The resource MUST have the following skills and experience:
• Minimum 6 years’ experience with Windows Server administration in large environments
• Microsoft Server Administration
• PowerShell Scripting
The resource SHOULD have the following skills and experience:
• Knowledge of a configuration management solution such as SCCM
• Knowledge of monitoring tool such as SCOM
• Good understanding of Directory Services components, such as Active Directory, GPO, FSMO 
roles, DNS and DHCP
• Provide Incident Management, Problem Management, Service Request Fulfillment support.
Required Soft Skills:
• Have a deep problem-solving background with accompanying troubleshooting skills.
• Be able to work independently as well as collectively within a team.
• Be able to apply critical thinking techniques.
• Be able to effectively communicate with customers and other team members, both orally and in 
writing.
• Be able to quickly adapt to new situations and a willingness to learn new technologies.
Desirable certifications:
• Certifications such as MCSA, MCSE, MCP are an advantage
• ITIIL v3 or v4 recommended but not required.