#NC25ICT176843 - CSU Brussels_Server Engineer - Closed
Deadline: February 25, 2025
Requester: NATO
Location: Brussels, Belgium
Job type: Contractor
Start date: April 6, 2025
Security clearance: NATO COSMIC TOP SECRET
SCOPE OF WORK / DUTIES / ROLES
Microsoft Exchange Server:
- Installation, configuration, and administration of Microsoft Exchange (on-premises and hybrid);
- Management of mailboxes, distribution groups, connectors, and public folders;
- Expertise in migration tasks, including on-premises to Exchange Online (Office 365) and cross-version upgrades;
- Troubleshooting mail flow, delivery issues, and transport rules;
- Implementing Exchange security features like encryption, antispam, and anti-malware.
Active Directory (AD):
- Design, deployment, and management of Active Directory domain services (AD DS);
- Configuration and management of Group Policies (GPOs);
- Expertise in multi-domain and multi-forest environments;
- Implementation of Role-Based Access Control (RBAC) and account provisioning;
- Managing trusts, replication, and domain controllers.
Active Directory Federation Services (ADFS):
- ADFS Installation & Configuration: Understanding how to install and configure ADFS in different environments, including single and multi-server setups;
- Identity Federation: Expertise in setting up and managing identity federation, including integrating with external identity providers (e.g., Azure AD, third-party services);
- Active Directory: Strong knowledge of Active Directory, including user management, domain controllers, and group policies, as ADFS relies heavily on AD for authentication;
- SSL/TLS Configuration: Proficiency in configuring SSL certificates for secure communication between ADFS servers, relying parties, and clients;
- Claims-based Authentication: Understanding of claims-based authentication protocols, such as SAML, OAuth, and WS-Federation, used in ADFS for user identity management;
- Troubleshooting: Ability to troubleshoot common ADFS issues, such as authentication failures, token signing, and federation trust problems.
REQUIRED SKILLS, KNOWLEDGE AND EXPERIENCE
Technical Expertise:
- VMware Product Knowledge: Proficiency in VMware vSphere, vCenter, ESXi, NSX, vSAN;
- Virtualization Technologies: Deep understanding of virtualization concepts, hypervisors, and virtual machine lifecycle management;
- Storage: Familiarity with storage protocols (iSCSI, NFS, FC) and VMware storage features like vSAN, datastore management, and storage policies;
- Operating Systems: Proficiency in administering Linux and Windows servers;
- Cloud Integration: Understanding VMware cloud solutions and hybrid cloud environments;
- Networking and Infrastructure:
- Deep understanding of DNS, including MX records, SPF, DKIM, and DMARC for email routing;
- Experience with certificate management for secure email communication;
- Familiarity with load balancers and high-availability solutions for Exchange and AD;
- Knowledge of virtual networking, VLANs, vSwitches, distributed switches, and NSX for network virtualization.
- Scripting and Automation:
- Proficiency in PowerShell for managing Exchange and Active Directory;
- Experience with PowerCLI for automating tasks and managing VMware environments;
- Automation of administrative tasks, mailbox provisioning, and bulk changes;
- Writing scripts to monitor health and performance.
- Troubleshooting and Performance Optimization:
- Ability to diagnose and resolve issues related to email delivery, authentication, and directory services;
- Performance tuning of Exchange databases and domain controllers;
- Experience with monitoring tools like SCOM or other third-party solutions;
- Ability to monitor, optimize, and troubleshoot VMware environments.
- Security and Compliance:
- Familiarity with VMware security features, hardening guidelines, and compliance requirements;
- Experience with role-based access control (RBAC) and securing virtual environments;
- Expertise in managing Exchange and AD backup and disaster recovery processes.
Soft Skills:
- Problem-Solving: Ability to diagnose complex virtualization issues and provide effective solutions;
- Communication: Clear and effective communication skills to interact with teams, stakeholders, and end-users;
- Documentation: Competency in creating and maintaining detailed documentation for system configurations and procedures;
- Collaboration: Ability to work with cross-functional teams, including network, storage, and security teams.
This position is now closed.
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