Senior System and Network Administrator

A3logics · Jaipur

Collected role description

Senior System and Network Administrator at A3logics

Manage and maintain network infrastructure, including Cisco switches, SonicWall firewalls, Ruckus Wi-Fi, ISP connectivity, and network security.

Administer Windows, Ubuntu, macOS, Active Directory, cloud domain controllers, file servers, and endpoint security solutions.
Manage Microsoft 365, Google Workspace, MDM (Scalefusion/Intune), DLP, MFA, PAM, and endpoint protection platforms.
Monitor network, server, and security performance; troubleshoot connectivity, VPN, AWS Workspace, RDP, and encryption-related issues.
Perform system updates, patch management, vulnerability remediation, backups, and disaster recovery activities.
Maintain IT assets, documentation, operational reports, and compliance-ready records.
Support ISO 27001, SOC 2, VAPT, and other audit requirements, including evidence collection and remediation tracking.
Monitor SIEM tools, conduct log reviews, support incident response, and enforce security policies and best practices.
Participate in change management, business continuity (BCP), and disaster recovery (DR) planning and testing.
Lead infrastructure projects, vendor evaluations, capacity planning, and continuous improvement initiatives.
Provide technical support, user training, and ensure adherence to service-level agreements (SLAs).

Hands-on experience with Cisco switches, SonicWall firewalls, Ruckus Wi-Fi, Active Directory, M365, and Google Workspace.
Strong understanding of networking, routing, VLANs, firewalls, and cybersecurity principles.
Experience with SIEM, vulnerability management, ITSM, MDM, and DLP solutions.
Knowledge of virtualization technologies (VMware/Hyper-V) and automation tools (PowerShell).
Excellent troubleshooting, documentation, and communication skills.
Certifications such as CCNA, CCNP, or equivalent are preferred.

5-7 years