Simvay Systems
We are seeking a Systems Administrator
with hands-on experience in
Cisco routing and switching ,
VMware infrastructure ,
firewall management , and
Microsoft Windows domain environments . This position is ideal for a highly motivated IT professional who thrives in a dynamic environment and takes pride in maintaining secure, stable, and high-performing network and server systems.
Key Responsibilities Administer and maintain
Windows Server
environments, including
Active Directory ,
Group Policy ,
DNS , and
DHCP . Manage and monitor
VMware vSphere
infrastructure, including ESXi hosts, virtual machines, and storage. Configure, support, and troubleshoot
Cisco routers, switches , and other network devices. Administer, optimize and troubleshoot
firewalls
to ensure secure perimeter and internal segmentation. Monitor system performance and ensure reliability, availability, and security across all core systems. Implement and maintain backup, disaster recovery, and system redundancy solutions. Collaborate with internal teams to design and deploy infrastructure projects and upgrades. Maintain documentation of systems, procedures, and configurations.
Qualifications 5+ years
of professional experience in systems and network administration. Strong knowledge of
Microsoft Windows Server 2016/2019/2022/2025
and
Active Directory . Experience with
VMware vSphere , including vCenter, clustering, and resource management. Proven experience managing
Cisco
network infrastructure (routing, switching, VLANs, QoS, etc.). Experience with
firewall configuration and management Excellent troubleshooting and problem-solving skills. Strong communication and documentation abilities.
Preferred Certifications (not required) Cisco Certified Network Associate ( CCNA ) or higher VMware Certified Professional ( VCP ) Microsoft Certified: Windows Server Hybrid Administrator Associate
with hands-on experience in
Cisco routing and switching ,
VMware infrastructure ,
firewall management , and
Microsoft Windows domain environments . This position is ideal for a highly motivated IT professional who thrives in a dynamic environment and takes pride in maintaining secure, stable, and high-performing network and server systems.
Key Responsibilities Administer and maintain
Windows Server
environments, including
Active Directory ,
Group Policy ,
DNS , and
DHCP . Manage and monitor
VMware vSphere
infrastructure, including ESXi hosts, virtual machines, and storage. Configure, support, and troubleshoot
Cisco routers, switches , and other network devices. Administer, optimize and troubleshoot
firewalls
to ensure secure perimeter and internal segmentation. Monitor system performance and ensure reliability, availability, and security across all core systems. Implement and maintain backup, disaster recovery, and system redundancy solutions. Collaborate with internal teams to design and deploy infrastructure projects and upgrades. Maintain documentation of systems, procedures, and configurations.
Qualifications 5+ years
of professional experience in systems and network administration. Strong knowledge of
Microsoft Windows Server 2016/2019/2022/2025
and
Active Directory . Experience with
VMware vSphere , including vCenter, clustering, and resource management. Proven experience managing
Cisco
network infrastructure (routing, switching, VLANs, QoS, etc.). Experience with
firewall configuration and management Excellent troubleshooting and problem-solving skills. Strong communication and documentation abilities.
Preferred Certifications (not required) Cisco Certified Network Associate ( CCNA ) or higher VMware Certified Professional ( VCP ) Microsoft Certified: Windows Server Hybrid Administrator Associate