Selvakumar Maruthachalam
Information Security / GRC Professional | ISO/IEC 27001:2022 Lead Auditor - Certified | 12+ Years IT Infrastructure & Security
Hire this person
Send a job offer directly to this candidate
About
Information Security and Governance, Risk, and Compliance (GRC) professional with 12+ years of experience in IT infrastructure, operational controls, and security governance. ISO/IEC 27001:2022 Lead Auditor Certified with hands-on expertise in ISMS implementation, audit coordination, risk assessment, compliance monitoring, and security control validation. Experienced in aligning IT operations with security and compliance frameworks including ISO 27001, SOC 2, SOX ITGC, and ITIL-based service management controls.
Skilled in bridging infrastructure operations with governance and risk management practices. Seeking opportunities in Information Security, GRC, IT Risk, Security Compliance, and Vendor Risk Management roles.
Experience
Senior System Engineer at Angler Technologies (2023-10 – 2026-02)
Led secure operation and governance-aligned management of enterprise IT infrastructure across on-prem and cloud environments (AWS, Azure).
- Led secure operation and governance-aligned management of enterprise IT infrastructure across on-prem and cloud environments (AWS, Azure).
- Implemented and maintained ISO/IEC 27001–aligned security controls, including access control, asset management, logging, monitoring, and incident response.
- Owned identity and access governance across Active Directory and cloud platforms, including user provisioning, de-provisioning, and periodic access reviews.
- Performed infrastructure and cloud risk identification, mitigation tracking, and control effectiveness validation.
- Supported internal and external audits by preparing ISMS documentation, risk registers, SOPs, policies, and audit evidence.
- Coordinated incident handling, root-cause analysis, and corrective actions to reduce recurrence and security exposure.
- Strengthened backup, disaster recovery, and business continuity controls to improve resilience and compliance readiness.
- Acted as a bridge between technical teams and management by translating security risks into actionable remediation plans.
Senior System Administrator at Geniies IT & Services Pvt Ltd (2020-06 – 2023-10)
Administered and secured Windows and Linux server environments following security hardening and best-practice guidelines.
- Administered and secured Windows and Linux server environments following security hardening and best-practice guidelines.
- Implemented access control, least privilege, and monitoring mechanisms to protect enterprise systems and data.
- Managed firewalls, VPNs, and network security controls to ensure secure remote and site-to-site connectivity.
- Supported cloud infrastructure operations with focus on secure configuration, access control, and availability.
- Conducted system monitoring, patch management, and vulnerability mitigation to reduce operational and security risk.
- Assisted in incident investigation, log analysis, and service restoration activities.
- Maintained system documentation and operational procedures supporting audit and compliance requirements.
Freelance IT Support at Freelance (2018-05 – 2020-06)
Provided freelance IT infrastructure support to small-scale organizations, ensuring reliable system performance and uptime.
- Provided freelance IT infrastructure support to small-scale organizations, ensuring reliable system performance and uptime.
- Managed Windows Server & Linux environments remotely, handling server administration, user management, patching, and troubleshooting.
- Configured and maintained network services (DNS, DHCP, VPN, Firewalls, Apache, MySQL) to support secure and efficient operations.
- Assisted organizations with cloud platforms (Microsoft Azure, AWS), including VM provisioning, backup management, and monitoring.
- Delivered cost-effective IT solutions, automation scripts, and technical guidance, enabling small businesses to improve efficiency and reduce downtime.
System Administrator at Cllisgo Technologies (2015-03 – 2018-05)
Configured and managed enterprise networks, including routing, switching, firewall policies, and VPN setups, ensuring secure and reliable connectivity across environments.
- Configured and managed enterprise networks, including routing, switching, firewall policies, and VPN setups, ensuring secure and reliable connectivity across environments.
- Provided end-to-end support for system hardware, software, and network issues, troubleshooting and resolving incidents to minimize downtime and maintain business continuity.
- Created, configured, and maintained virtual machines in cloud platforms (AWS/Azure/VMware), ensuring high availability, optimized performance, and zero-disruption operations.
Network Administrator at Geniies IT & Services Pvt Ltd (2013-11 – 2015-01)
Ensured all server hardware, operating systems, software and procedures were aligned with organizational standards and strategic business plan.
- Ensure all server hardware, operating systems, software and procedures are aligned with organizational standards and strategic business plan.
- Single point of escalation for troubleshooting advanced network/system issues; consistently earned 100% issue resolution score by providing excellent service to internal and external customers.
- Experience in windows system administration which including Microsoft Active Directory, Windows group policy design, and deployment.
- Performed active directory user/computer account and group policy management.
Service Engineer at Green Computers (2011-05 – 2013-10)
End to End IT Infrastructure hardware and software setup and management.
- End to End IT Infra Structure hardware and software setup and management.
- Client co-ordination, collect project details, analyze business functionalities.
- Handles and lead projects individually.
- Team management with 30 resources and co-ordination for project delivery.
- Work with top management on business proposals and contract renewals.
- Taking care of complete QC (Quality check) for the work done from peers and reviews it.
- Handle and co-ordinate with freelancing teams from different locations.
- Maintaining and managing servers, systems & Infrastructure.