As an L3 Linux Admin, I have extensive technical experience in the areas of networking and Linux. Here's a summary of my expertise in these fields:

Networking:

• In-depth knowledge of network protocols such as TCP/IP, UDP, DNS, DHCP, HTTP, FTP, and SSH.
• Proficient in network configuration and troubleshooting, including IP addressing, subnetting, routing, VLANs, and firewall configuration.
• Experience with network monitoring tools like Wireshark, Nagios, and Zabbix to network traffic and identify issues.
• Understanding of network security concepts, including access control lists (ACLs), VPNs, SSL/TLS, and intrusion detection systems (IDS).

Linux:

• Strong command-line proficiency in various Linux distributions, including Ubuntu, CentOS, and Red Hat Enterprise Linux (RHEL).
• Expertise in Linux server administration, installation, configuration, performance tuning, and troubleshooting.
• Proficient in shell scripting (Bash) for automation of routine tasks and system maintenance.
• Experience with package management systems like yum and apt, as well as server deployment and configuration management tools like Ansible and Puppet.
• Knowledge of virtualization technologies, including VMware and KVM, for creating and managing virtual machines (VMs) on Linux servers.

Overall, my technical experience as an L3 Linux Admin covers a wide range of networking and Linux-related tasks, enabling me to effectively handle various technical challenges in these domains.

In addition to my technical experience in networking and Linux, I also have expertise in working with the AWS (Amazon Web Services) cloud platform. Here's an overview of my experience in this area:

AWS Services:

• Proficient in managing and deploying EC2 instances, configuring security groups, managing elastic IPs, and working with Amazon Machine Images (AMIs).
• Experience in setting up and managing Virtual Private Clouds (VPCs), including subnet configuration, route tables, and network access control lists (ACLs).
• Familiarity with Amazon S3 for object storage and managing buckets, as well as Amazon EBS for block-level storage.
• Knowledge of AWS RDS for managed relational databases and EC2 Auto Scaling for dynamic scaling of EC2 instances.
• Familiarity with AWS CloudWatch for monitoring and logging, including setting up alarms and metrics.
• Understanding of AWS IAM for user and access management, including creating roles, policies, and managing permissions.

Networking in AWS:

• Experience in configuring and managing Virtual Private Network (VPN) connections between on-premises networks and VPCs using AWS VPN Gateway or AWS Direct Connect.
• Knowledge of AWS Elastic Load Balancer (ELB) for load balancing traffic across EC2 instances.
• Understanding of Amazon Route 53 for DNS management and domain registration.

Automation and Infrastructure Code:

• Proficiency in using AWS CloudFormation to deploy and manage infrastructure as code.
• Experience with AWS CLI (Command Line Interface) and AWS SDKs (Software Development Kits) for automating AWS tasks and integrating with other tools and services.

Overall, my experience with AWS cloud enables me to effectively utilize the various services and features of AWS for building, deploying, and managing scalable and reliable applications in the cloud.

As an experienced leader, I have led a TAC (Technical Assistance Center) team in a product company that focuses on delivering technical support to external customers. Here is a summary of my leadership experience in this context:

Team Leadership:

• Led a team of technical support professionals in the TAC department, ensuring high-quality support services were provided to customers.
• Developed and implemented team goals and objectives aligned with the company's overall strategic direction.
• Managed team performance, providing coaching, feedback, and mentoring to enhance individual and team capabilities.
• Fostered a positive and collaborative team culture, promoting knowledge sharing and continuous learning.

Customer Support Strategy:

• Developed and implemented customer support strategies to effectively meet customer needs and ensure customer satisfaction.
• Collaborated with cross-functional teams, such as development and product management, to identify and address customer pain points and improve product quality.
• Implemented best practices and processes to streamline support operations, enhance efficiency, and deliver prompt and effective resolutions to customer issues.

Technical Expertise:

• Possessed a deep understanding of the product(s) offered by the company, as well as the underlying technologies and architectures.
• Acted as a subject matter expert, providing guidance and assistance to team members in complex technical problem-solving.
• Worked closely with product management and engineering teams to communicate and prioritize customer-reported issues and feature requests.

Customer Relationship Management:

• Interacted directly with key customers, building strong relationships and acting as a trusted advisor.
• Collaborated with sales and account management teams to understand customer requirements and provide support in pre-sales and post-sales activities.
• Coordinated with customer success teams to ensure a seamless customer experience and address any escalations or critical issues.

Overall, my experience as a leader of a TAC team in a customer-focused product company has equipped me with the skills and knowledge to effectively manage a team, deliver exceptional customer support, and drive customer success.

In my experience working with enterprise customers, I have had significant customer-facing interactions and have developed a strong understanding of their unique needs. Here's an overview of my experience in this regard:

Enterprise Customer Support:

• Provided support to enterprise customers, understanding their specific requirements and tailoring support solutions accordingly.
• Interacted with key stakeholders, including IT managers, system administrators, and business executives, to address their concerns and provide timely resolutions.
• Developed a deep understanding of the enterprise customers' environments, including network infrastructure, security requirements, and integration points.

Relationship Building:

• Cultivated strong relationships with enterprise customers, serving as their primary point of contact for support-related matters.
• Demonstrated a customer-centric approach, actively listening, and empathizing with customers' challenges and business objectives.
• Acted as a trusted advisor, providing guidance on best practices, product updates, and recommending solutions to meet their evolving needs.

Account Management:

• Collaborated with account managers and sales teams to ensure a seamless transition from the sales process to ongoing customer support.
• Assisted in identifying upsell and cross-sell opportunities, leveraging customer insights and understanding to propose relevant solutions.
• Provided feedback to internal teams, including product management and engineering, based on customer requests and pain points.

Technical Expertise:

• Gained in-depth knowledge of the products and solutions provided by the company, enabling me to effectively troubleshoot and resolve complex technical issues.
• Worked closely with engineering teams address customer-specific technical challenges and provide custom solutions, when necessaryEnterprise Service Level Agreements (SLAs):
• Aligned with enterprise customers' specific SLAs, ensuring prompt response and resolution times to meet their service level expectations.
• Monitored and reported on SLA compliance, identifying areas for improvement and implementing necessary measures.

Overall, my experience working with customers has honed my customer-facing skills, relationship building, and technical expertise to effectively address their needs and contribute to their success.

Summary:

My experience includes leading a TAC team in a product company, providing technical support to external customers. I have successfully managed the team, set goals, and ensured high-quality support services. I have also developed customer support strategies, collaborated with cross-functional teams, and implemented best practices. Additionally, I have expertise in working with enterprise customers, including understanding their specific needs, building strong relationships, and providing tailored support. My technical skills and understanding of customer requirements enable me to effectively address their and contribute to their success.