Senior System Administrator
Job Title: Senior System Administrator
Seniority Level: Senior
Years of Relevant Experience: 7+ years
Department: IT & Infrastructure Security 
Reporting Organization: Client Company
Employment Type: Full-time
Location: Kochi
Job Summary
The Senior System Administrator & IT Lead will be the technical and strategic anchor for Admaren’s IT infrastructure. This role is responsible for ensuring the high availability, security, and performance of maritime engineering platforms (SECURELOAD/COEMs) while leading a technical team to maintain a "Security-First" culture aligned with ISO 27001 standards. 
Key Responsibilities:
(A) Team Leadership & Management 
  • Team Mentorship: Lead, mentor, and grow a team of IT Support Technicians and Junior Admins. Conduct performance reviews and identify skill gaps. 
  • Strategic Planning: Translate business goals into technical roadmaps. Manage the IT budget and hardware procurement cycles. 
  • Vendor Management: Manage relationships with ISPs, hardware vendors, and cloud service providers to ensure optimal service and pricing. 
  • Policy Stewardship: Act as the technical champion for ISO 27001 compliance, ensuring the team follows all ISMS protocols. 
(B) Identity, Cloud & Data Security 
  • Identity (Entra ID): Manage Microsoft Entra ID (Azure AD), implementing Conditional Access, PIM, and MFA to secure maritime engineering data. 
  • Data Governance (MS Purview): Implement and manage Microsoft Purview for data discovery, classification, and lifecycle management. Define and enforce sensitivity labels across the organization. 
  • DLP Strategy: Design and maintain Data Loss Prevention (DLP) policies across Endpoint, Exchange, SharePoint, and Teams to prevent unauthorized exfiltration of maritime intellectual property. 
  • MDM (Intune): Oversee Microsoft Intune for automated device enrollment (Autopilot), security baselines, and remote wipe capabilities. 
  • Collaboration (SharePoint): Design secure SharePoint structures with sensitivity labels to prevent unauthorized exfiltration of proprietary 3D/naval data. 
(C) Infrastructure, Network & Connectivity 
  • Firewall & Edge: Expert administration of FortiGate and Sophos firewalls, including SD-WAN and secure VPN tunnels for remote staff. 
  • Secure Wi-Fi: Maintain a high-performance 802.1X/RADIUS authenticated wireless network optimized for heavy 3D modeling and engineering traffic. 
  • Virtualization: Manage and optimize hybrid clusters on VMware Pro and Proxmox VE. 
  • Cloud (AWS & Cloudflare): Manage AWS resources (EC2/S3) and Cloudflare WAF/CDN for global application delivery. 
(D) IT Operations & Monitoring (ITSM) 
  • ITSM (ManageEngine): Act as the lead administrator for ManageEngine ServiceDesk Plus. Standardize the "Joiner-Mover-Leaver" (JML) workflows and CMDB accuracy. 
  • Log Management: Establish centralized logging to ensure all security events are audited for ISO 27001 Annex A.12. 
  • Capacity Planning: Perform predictive analysis on hardware and cloud usage to ensure scalability before bottlenecks occur. 
Qualifications & Experience 
  • Experience: 7+ years in IT/Infrastructure, with 1+ years in a leadership or senior capacity. 
  • Education: B.Tech/B.E in Computer Science, Information Technology, or a related field. 
  • ISO 27001 Knowledge: Deep understanding of ISMS controls, specifically regarding onboarding, exit procedures, and asset management. 
  • Certifications: * Fortinet NSE 4/5 or Sophos Certified Engineer. 
  • Microsoft 365 Certified: Endpoint Administrator Associate. 
  • Microsoft Certified: Information Protection and Compliance Administrator Associate (SC-400). 
  • AWS Certified SysOps Administrator. 
Performance Indicators (KPIs) 
  • Compliance: 100% accuracy in the Asset Register and Onboarding/Exit logs for ISO audits. 
  • Data Security: Zero unauthorized data leaks from Purview-protected repositories. 
  • Uptime: 99.9% availability of core engineering servers and cloud platforms. 
  • Security: Zero unauthorized access incidents via Entra ID/VPN. 
  • Team Efficiency: Maintaining MTTR (Mean Time to Resolve) within ServiceDesk Plus SLAs.