L3 IT Infrastructure & Security Manager (ID 1426)

Lead and resolve complex L3-level technical issues across networks, servers, storage, cloud platforms, and enterprise applications. Manage, monitor, optimize, and maintain IT infrastructure to ensure high availability, performance, scalability, and reliability. Administer and oversee: Active Directory and Identity Management DNS and DHCP VPN and remote access solutions Firewalls and network security Endpoint and device management Servers, storage, backup, and disaster recovery environments Manage cloud and SaaS environments, including AWS, Microsoft Azure, and Google Workspace.

Implement proactive monitoring, alerting, automation, and performance-management solutions. Collaborate with global teams on capacity planning, infrastructure upgrades, modernization, and automation initiatives. Ensure business-critical systems meet defined uptime, performance, backup, and disaster recovery requirements.

Develop, implement, and enforce IT security policies, standards, procedures, and best practices. Strengthen and continuously improve the organization's overall cybersecurity posture. Manage and oversee security technologies, including: Firewalls IDS/IPS Endpoint Detection and Response (EDR) Antivirus and endpoint protection Email security Vulnerability management tools Identity and access management solutions Lead security incident response activities, including investigation, containment, remediation, and post-incident reviews.

Conduct and coordinate regular: Security audits Risk assessments Vulnerability assessments Penetration testing Drive vulnerability remediation and risk mitigation programs. Ensure compliance with applicable standards and regulatory requirements, including: ISO 27001 SOC 2 GDPR Other applicable industry and client security requirements Support internal and external security audits and maintain required documentation and evidence.

Develop and deliver cybersecurity awareness and security best-practice programs for employees. Engage directly with clients on IT infrastructure, cybersecurity, compliance, and technical governance matters. Provide expert-level L3 technical support for complex client infrastructure and security issues. Participate in client onboarding and offboarding activities.

Conduct technical reviews, infrastructure assessments, and security reviews. Support client audits, compliance assessments, and security questionnaires. Participate in regular service review and continuous service improvement meetings. Communicate technical risks and recommendations effectively to both technical and business stakeholders.

Requirements

Strong hands-on experience in enterprise IT Infrastructure and L3 Support. Strong knowledge of networking technologies, including routing, switching, VPNs, firewalls, DNS, and DHCP. Experience managing Windows Server, Active Directory, and identity management environments. Experience with cloud infrastructure and services, particularly: Microsoft Azure AWS Google Workspace Strong understanding of endpoint management, monitoring, backup, and disaster recovery solutions.

Hands-on experience with infrastructure automation and monitoring tools.

• Strong understanding of cybersecurity frameworks and security best practices.
• Practical experience with ISO 27001 and/or SOC 2 frameworks and audit processes.
• Knowledge of GDPR and other relevant regulatory and compliance requirements.
• Experience managing security technologies such as firewalls, IDS/IPS, EDR, endpoint protection, and email security.
• Strong experience in: o Risk assessment o Vulnerability management o Incident response o Security audits o Penetration testing coordination o Security awareness programs