Sameer M. Hasan - Cissp, Ccsp Email & Phone Number

Texas, United States

Greater New York City, Ny, Us

- Cybersecurity Strategy and Consultation: Provided expert cybersecurity consulting services to diverse clients, leveraging CISSP, CCSP, and ITIL certifications to develop comprehensive cybersecurity strategies. Collaborated with stakeholders to identify security objectives and align them with business goals, resulting in enhanced protection against emerging threats and vulnerabilities.- Risk Assessment and Mitigation: Conducted in-depth risk assessments for clients' information systems, analyzing potential security gaps and vulnerabilities. Developed and implemented risk mitigation plans, ensuring compliance with industry standards and regulatory requirements. Proactively identified and resolved security weaknesses, bolstering clients' overall security posture.- Incident Response and Threat Management: Led incident response efforts for cybersecurity breaches, swiftly containing and mitigating security incidents. Leveraged expertise in handling advanced threats, including malware infections, ransomware attacks, and unauthorized access attempts, to minimize data exposure and protect sensitive information.- Cloud Security Implementation: Assisted clients in securely transitioning to cloud-based infrastructures, ensuring seamless integration while maintaining data confidentiality and integrity. Implemented cloud security best practices, including encryption, access controls, and identity management, to safeguard critical assets in the cloud environment.- Security Awareness Training: Developed and delivered tailored cybersecurity awareness training sessions for clients' employees and personnel. Empowered staff with the knowledge of cybersecurity best practices, phishing prevention, and secure data handling, contributing to a culture of proactive security consciousness within organizations.

Geneva, Switzerland, Ch

- Successfully led the implementation of a zero-trust security framework to strengthen data protection, prevent unauthorized access, and mitigate potential cyber threats and vulnerabilities using guidelines from NIST (SP 800-207) and other industry models.- Provided training and support to end-users and stakeholders on Zero Trust Architecture, increasing adoption and compliance.- Designed and implemented a security information and event management (SIEM) solution using Microsoft Sentinel, improving visibility into security events across the organization.- Successfully led the implementation of Thycotic (now Delinea) Privileged Access Management (PAM) solution to enhance security controls and manage access to critical systems enabling centralized management and monitoring of privileged accounts.- Configured policies and workflows in Thycotic (now Delinea) to automate privileged access management processes and improve efficiency.- Contributed to the successful implementation of Okta by providing technical support and guidance including user provisioning, single sign-on (SSO), and multi-factor authentication (MFA) for various applications and services.

Geneva, Switzerland, Ch

- Developed and implemented incident response plans and procedures, resulting in an average incident response time decrease from 45mins to 30mins (33% improvement).- Provided subject matter expertise in the evaluation and selection of security technologies, including SIEM and encryption technologies.- Conducted regular vulnerability assessments to identify and remediate security risks, resulting in a 40% reduction in high-risk vulnerabilities.- Led the implementation of Centrify for Identity and Access Management (IAM) resulting in improved efficiency and reduced administrative overhead ensuring compliance with industry regulations, including HIPAA, PCI-DSS, and SOX.- Spearheaded the migration of legacy IAM systems to Centrify, resulting in improved efficiency and reduced administrative overhead.- Participated in testing and troubleshooting of Centrify configurations to identify and resolve issues, resulting in a more secure and efficient IAM system.

Basel, Baselstadt, Ch

- Streamlined and optimized the compute infrastructure, resulting in a 30% reduction in operational costs and increased system availability by 20%.- Successfully led the migration of critical systems to a new data center with zero downtime, ensuring business continuity and mitigating potential financial losses.- Designed and implemented disaster recovery plans for critical systems, reducing the recovery time objective by 50% and ensuring the business is well prepared for any unforeseen events.- Collaborated with cross-functional teams to ensure seamless integration of computer systems with other IT infrastructure, such as networking and storage, improving overall system performance and reliability.

Basel, Baselstadt, Ch

- Implemented and maintained high-availability configurations for IBM Power 9 and AIX infrastructure to ensure maximum uptime for SAP applications. - Collaborated with cross-functional teams to identify and implement security controls for the Unix and AIX environment, resulting in improved security posture and compliance with industry standards.- Contributed to the development of budget and resource planning for Unix and AIX operations, ensuring alignment with overall business goals and objectives.- Led the migration of legacy Unix and AIX systems to newer technology, resulting in improved system performance, reduced maintenance costs, and increased reliability of systems.

Basel, Baselstadt, Ch

- Designed, implemented, and maintained AIX infrastructure to support critical business applications, resulting in a 99.9% uptime.- Conducted regular security assessments and implemented security controls, reducing security risks by 25% and ensuring compliance with industry regulations.- Provided level 3 technical support for AIX infrastructure, resolving complex technical issues and ensuring customer satisfaction.- Conducted capacity planning and implemented system upgrades, ensuring the infrastructure is aligned with the business growth and requirements.

95877 Bezons, Fr

- Led the migration of legacy Unix systems to virtualized environments, reducing hardware costs by 50% and increasing system uptime by 30%.- Provided L3 (Level 3) technical support for high-profile clients with 24/7 availability, resulting in enhanced customer satisfaction and client retention.- Conducted system performance tuning and optimization, increasing system throughput and reducing response times by up to 40%.- Mentored and trained junior Unix systems engineers, improving their technical skills and contributing to the overall success of the team.

Armonk, New York, Ny, Us

- Conducted system architecture reviews, identifying and resolving critical scalability and reliability issues, resulting in improved system stability and uptime.- Led the implementation of disaster recovery plans and business continuity solutions, resulting in minimal data loss and downtime during unplanned outages.- Led incident response and post-mortem activities, identifying root causes and driving long-term solutions to prevent similar incidents from occurring in the future.- Conducted load and stress testing on systems, identifying and mitigating potential bottlenecks and performance issues, resulting in improved system reliability and uptime.

Armonk, New York, Ny, Us

- Designed and implemented an AIX patch management program, resulting in improved system stability and security, and reduced the time required for patching by 50%.- Implemented automation scripts for AIX system administration tasks, resulting in a 30% reduction in manual effort and improved system availability.- Conducted system performance tuning and optimization, increasing system throughput and reducing response times by up to 50%.- Implemented and maintained high-availability configurations for IBM Power Systems and AIX infrastructure to ensure maximum uptime for SAP applications.

Associate'S Degree, Arts

Bachelor Of Science - Bs, Cybersecurity And Information Assurance