Mansoor Siddiqui

Oracle Cloud

• Developed architectural strategies for Oracle applications.
• Developed and enforced best practices for Oracle architecture.
• Successfully migrated On-premises ERP system to OCI.
• Managed product transition and integration activities.
• Coordinated with upper management in making complex architectural decisions.
• Assisted in developing project proposals and project plan.
• Provided technical support in system design and implementation activities.
• Provided directions to less experienced architects.
• Managed application patches, data backup, security changes and network configuration and replaced boards, changed servers and loaded and tested software applications.
• Developed network test and validation processes to maintain alignment with solution design.

AWS

• Responsible for architecting, designing, implementing and supporting scalable secure infrastructure and solutions both on-prem and in the cloud
• Knowledge of Amazon EC2, VPC (NAT, Peering, VPN), IAM, EC2 Container service, S3, Cloud Front, RDS, DynamoDB, Elastic Cache, Direct Connect, Route 53, cloud watch, Cloud Formation, Cloud Trial, SNS, SQS, and API Gateway
• Migrated VMWARE VMs to AWS and worked with internal teams to plan and manage the migration of applications to AWS cloud
• Designed secured, cost optimized, highly available and resilient infrastructure in AWS, ensured data integrity and data security by implementing AWS best practices
• Built a set of security policies which helps in identifying, categorizing and protecting the assets on AWS, managing access to AWS resources using accounts, users and groups
• Implemented security best practices in AWS including multi factor authentication, role-based permissions, enforced strong password policy, configured security groups and NACLs, S3 bucket policies and ACLs, etc
• Optimized cost through reserved instances, selection and changing of EC2 instance types based on resource need, S3 storage classes and S3 life cycle policies, leveraging Autoscaling etc
• Implemented and maintained the monitoring and alerting of corporate servers/storage using AWS CloudWatch.
• Provisioned Linux machines on AWS, creating AMIs, user administration on AWS, assign Elastic IPs, creating machine under VPC, configured autoscaling.
• Involved in building S3 buckets and managing access permissions using bucket policies and access control lists (ACL) and dealt with object life cycle management and versioning to automate the object archival
• Experience using AWS Resource Provisioning. Automated and created AWS services which includes VPCs, Internet gateways, routes, web servers, ELB, CloudFront distribution, database, EC2, database security groups, S3 bucket and application configurations
• Responsible for the design, configuration, installation, management, maintenance and support for all Linux servers and services
• Configured monitoring of on-premise resources and network services using Solarwinds NPM and NTA.
• Experienced with DataDomain, Veritas and Veaam storage administration, backup and recovery.

Managed installation, upgrade and deployment projects and provided on-site direction for network engineers.

Managing all the security products like Firewall (Cisco & Fortinet), DDoS (ARBOR), SSL/VPN(JUNOS), SSO(IMPRIVATA) etc.
Implemented Remote IPsec VPN and SSL-VPN using JUNOS Pulse Secure.
Experienced in managing and implementing wireless network of different vendors like Cisco,
RUCKUS, Aruba etc.

Mentored junior engineers in best practices for deploying and managing complex IT infrastructures.

Conducted thorough risk assessments on proposed infrastructure changes, mitigating potential negative impacts before implementation.

Spearheaded the migration of legacy systems to modern platforms, resulting in improved functionality without sacrificing security or compliance requirements.

Played a key role in the organization''s digital transformation journey by enabling agile infrastructure solutions that supported evolving business needs.

Aligned IT infrastructure strategy with organizational goals by collaborating closely with key stakeholders at all levels of the company.

Streamlined data center operations by consolidating servers and optimizing storage solutions.

Developed comprehensive documentation on infrastructure architecture, processes, and procedures for easy reference by colleagues and stakeholders.

Managed vendor relationships to ensure timely delivery of services and products necessary for infrastructure projects.

Enhanced network performance by implementing and maintaining cutting-edge infrastructure technologies.

Maintained regulatory compliance by adhering to industry standards and implementing necessary controls within the IT environment.

Implemented disaster recovery strategies, minimizing data loss and ensuring business continuity during unexpected events.

Optimized cloud-based infrastructure for improved performance, cost savings, and increased security measures.

Established robust backup policies that safeguarded valuable company data while reducing overall storage costs.

Reduced downtime and increased system reliability through proactive monitoring and maintenance of critical infrastructure components.

Collaborated with cross-functional teams to design, develop, and deploy scalable IT infrastructure solutions.

Monitored and tested application performance to identify potential bottlenecks, develop solutions and collaborate with developers on solution implementation.

Managed and monitored installed systems for highest level of availability.

Designed and implemented system security and data assurance.

Provided 2nd and 3rd level technical support and troubleshooting to internal and external clients.

Resolved issues related to operational components for LAN, WAN and voice systems.

Oversaw development and maintenance of organization computer systems and intranet.

• Established effective communication channels between IT support staff and end-users, leading to improved issue resolution times overall.
• Managed onboarding and offboarding of employees.
• Supported the implementation of new technologies by providing technical expertise and training to colleagues as needed.
• Enabled smooth transitions during hardware and software upgrades, minimizing disruptions to endusers.
• Adopted cost-effective, useful solutions to implement into current systems.
• Provisioned new software and hardware for use, following established security policies.
• Installed important security and functionality patches to maintain optimal protections against intrusion and system reliability.
• Diagnosed and resolved complex technical issues through in-depth analysis, facilitating uninterrupted business operations.
• Enhanced system performance by optimizing server configurations and implementing regular updates.
• Managed user access rights to maintain a high level of information security while ensuring appropriate levels of accessibility for authorized personnel.
• Reduced downtime by proactively identifying and resolving potential issues through thorough system monitoring.
• Oversaw file system and storage upgrades while safeguarding data integrity and redundancy.
• Served as subject matter expert on proposed technology purchases.
• Resolved issues and escalated problems with knowledgeable support and quality service.
• Installed and configured network printers and other peripheral devices.
• Analyzed network traffic and performance metrics to optimize system performance.
• Diagnosed and executed resolution for network and server issues.
• Planned and implemented upgrades to system hardware and software.
• Designed and evaluated WAN and LAN connectivity technologies.
• Performed network security design and integration duties.

Installation, Configuration and Troubleshooting of Domain Controller and Additional domain
controllers on Windows 2008 R2.
Installation and troubleshooting of Windows 2008 and Exchange 2007 Servers.
Configuration of DNS servers
Installed and configured Exchange Server 2010
Transitioning from Exchange Server 2007 to Exchange Server 2010
Install and Configure Edge Transport Server 2010
Implementing Security by configuring Anti-Spam Agents in Edge Transport Server
Configured E-Mail Address Policies and Journaling throughout the Domain
Knowledge of Outlook Web Access including configuration, permissions, and forms-based
authentication and SSL Configuration
Experience in administering Exchange servers including installation, back-up, and
troubleshooting
Responsible for installing & upgrading of Antivirus on all the system.
Ensure the compatibility of the hardware and software of the system by determining it.
Responsible for evaluation and recommendation for the new hardware and software.
Assist team in resolution of hardware, software and system issues.
Analyze performance of the system and ensure the performance objective and availability of the
requirements.
Taking regular backups of the servers & client’s data.
Responsible for creating the users and assigning permissions according to their designation.
Responsible for hardware & software updates.
Management of all the servers and see that it is accessible all the time.
Manage the proxy server and implement the policies accordingly.
Responsible for giving support to clients on Email, Portal & various other services.
Training of Core Team & Project staff on IT related services as and when required.

• Implemented virtualization strategies for efficient resource utilization across multiple servers.
• Supported the integration of new technologies into existing infrastructure, facilitating seamless transitions and minimal disruptions to workflow.
• Managed hardware inventory, ensuring proper allocation of resources and timely replacement of outdated equipment.
• Managed incident response processes effectively by prioritizing resolution activities based on business impact and severity levels.
• Performed diagnostic tests on hardware components to identify problems and recommend appropriate solutions.
• Documented technical specifications for easy reference by colleagues as well as any external parties involved in projects or support activities.
• Trained staff members on software usage, troubleshooting techniques, and best practices for maintaining a secure computing environment.
• Optimized server operations by monitoring performance metrics and implementing necessary adjustments.
• Configured and maintained backup systems, safeguarding critical data against potential loss or damage.
• Increased network security by implementing robust firewalls and antivirus software.
• Provided high-quality technical support, resolving user issues in a timely manner.