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OCONUS Senior Systems Administrator (Network Policy Server)

OCONUS Senior Systems Administrator (Network Policy Server)

Fusion ESEl Paso, TX, US
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Job Title :

Systems Engineer – Windows Server Administration (DHCP & NPS Services) Camp Arifjan, Kuwait Job Overview :

  • We are seeking a skilled and motivated Sr.
  • Systems Engineer with expertise in Windows Server Administration, focusing on Dynamic Host Configuration Protocol (DHCP) and Network Policy Server (NPS) services.
  • The ideal candidate will have a deep understanding of Windows Server environments, along with hands-on experience in configuring, managing, and troubleshooting Windows DHCP and NPS to ensure the reliability, scalability, and security of our network infrastructure.
  • As a Sr.
  • Systems Engineer, you will be responsible for ensuring optimal performance and reliability of critical network services, and you will collaborate with cross-functional teams to resolve issues and implement solutions that support the overall IT strategy.

Key Responsibilities :

  • Windows Server Administration : Manage and maintain Windows Server environments (Windows Server 2012 / 2016), ensuring they are configured, optimized, and secured.
  • Administer Windows DHCP services, including scope management, IP address allocation, leases, and relay configuration.
  • Configure and manage NPS (Network Policy Server) to implement RADIUS-based authentication and authorization for VPN, Wi-Fi, and other network access services.
  • Assist in the deployment, configuration, and maintenance of Windows Server environments on-premises.

    • DHCP Management :

  • Design, implement, and maintain scalable and highly available DHCP configurations.
  • Troubleshoot and resolve issues related to IP address allocation, lease renewals, and DHCP scope configuration.
  • Monitor and ensure DHCP service performance, reviewing logs and reports for potential issues.
  • Set up and manage DHCP servers, including scope configuration and lease management.

    • NPS Services :

  • Implement and configure NPS policies to enforce network security protocols, including 802.1X authentication, VPN connections, and other network access controls.
  • Perform troubleshooting for RADIUS client connectivity issues and ensure proper integration with other network devices such as switches, wireless controllers, and VPN gateways.
  • Configure and maintain Network Policy Server (NPS) for network access control and authentication.

    • Security & Compliance :

  • Apply security best practices to the Windows Server environment, ensuring that NPS and DHCP services are secured against unauthorized access.
  • Collaborate with security teams to ensure compliance with internal security policies and external regulatory requirements.

    • Incident and Problem Management :

  • Act as an escalation point for network service incidents, ensuring that issues are resolved in a timely and effective manner.
  • Conduct root cause analysis for complex system failures and implement preventive measures.
  • Help troubleshoot issues related to Windows Server, DHCP, and NPS.

    • Automation & Scripting :

  • Utilize PowerShell and other scripting tools to automate common tasks related to DHCP, NPS, and Windows Server administration.
  • Develop and maintain documentation for automated processes, ensuring consistency and repeatability.

    • Collaboration & Support :

  • Work closely with network engineers, system administrators, and other IT teams to troubleshoot issues, deploy new services, and improve the performance of IT systems.
  • Provide technical support and guidance to internal teams regarding DHCP and NPS services.
  • Collaborate with the networking team to ensure proper integration of server services across hybrid environments.
  • Provide basic support for Active Directory and Group Policy in hybrid scenarios.

    • Documentation & Reporting :

  • Maintain comprehensive documentation for system configurations, changes, and troubleshooting procedures.
  • Prepare regular performance and status reports for management and stakeholders.
  • Create and maintain documentation for server configurations and procedures.

    • Required Qualifications :

  • Education : Bachelor's degree in Computer Science, Information Technology, or related field.

    • Experience :

  • 7 years of experience in IT support or administration. 7+ years of experience working in a Windows Server administration role, with a focus on DHCP and NPS services.
  • Strong hands-on experience with Windows Server (2012 or 2016).
  • Proven experience in the configuration, management, and troubleshooting of DHCP and NPS services in an enterprise environment.

    • Technical Skills :

  • In-depth knowledge of Windows Server DHCP and NPS configurations, as well as related technologies (RADIUS, 802.1X, VPN, etc.).
  • Familiarity with networking concepts such as IP addressing, subnets, VLANs, and routing.
  • Experience with PowerShell scripting to automate server and network tasks.
  • Strong understanding of Windows security policies and group policies.
  • Strong understanding of Windows Server operating systems and core services.
  • Familiarity with DHCP and its role in network infrastructure.
  • Knowledge of network authentication and access control concepts.

    • Certifications :

  • Microsoft Certified Solutions Associate (MCSA) Windows Server 2012 or 2016 or equivalent.

    • Microsoft Certified :

  • Windows Server Hybrid Administrator Associate certification.
  • CompTIA Security+ or equivalent DoD 8570 II Security Certification .

    • Preferred Qualifications :

  • Experience with PowerShell scripting.
  • Knowledge of networking concepts (TCP / IP, subnetting).
  • Experience with virtualization platforms such as VMware or Hyper-V.
  • Familiarity with Active Directory, DNS, and other critical network services.
  • Experience with cloud environments or hybrid cloud infrastructure.
  • Secret Clearance.

    • Personal Attributes :

  • Strong analytical and problem-solving skills.
  • Excellent communication skills, both written and verbal.
  • Ability to work independently and within a team.
  • Detail-oriented and committed to delivering high-quality work.
  • Understanding of IT security principles in hybrid environments.
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