Manging the Deliverability of 1000+ clients who subscribed on Mailercloud Platform.Managed sender reputation and IP reputation, ensuring high deliverability rates on email service providers.Ensured compliance with email standards, including GDPR, CAN-SPAM Act, and CASL.Educated and advised stakeholders on email best practices, including opt-in mechanisms, list hygiene, and unsubscribe processes.Maintained relationships with ISPs and email service providers to facilitate smoothemail operations.Resolved complex DNS issues escalated by clients and stakeholders, ensuringdomains DNS records are verified on time for email delivery.Monitored and corrected DNSBL listings and other ISP blocks to maintain a highsender reputation.Set up feedback loops and managed bounce handling processes to optimize emailperformance.Asisited clients to customize the domain's email authentication protocols (DKIM,DMARC, SPF) to prevent spamming and spoofing.Monitored upcoming ISP changes, ensuring email sending practices remainedcompliant with new guidelines.Implemented GDPR-compliant policies, designed a business continuity plan, anddeveloped a risk management strategy.Leveraged third-party deliverability tools and vendors, such as Return Path/Validity,Kickbox, Glockapps, Google Postmaster, and Microsoft SNDS.Developed Linux bash scripts to automate SMTP speed adjustments based on ESPthrottling and warmup requirements.Customized Icinga2 monitoring tool to send alerts when IPs are blocked or throttledby ISPs.

Installed, configured, and maintained mail servers using MTAs such as Postfix, PowerMTA, and Greenarrow Engine.Gained experience with leading ESPs like SendGrid, SparkPost, and Amazon SES.Troubleshot and resolved technical issues related to email delivery across multiple ISPs.Utilized deliverability tools such as Microsoft SNDS and Google Postmaster for monitoring and analysis.Assisted clients with developing and executing cold email strategies and brand email volume scaling.Managed and maintained relationships with Internet Service Providers (ISPs).Provided training and support to clients and internal teams on email best practices.Analyzed email deliverability metrics to identify and resolve potential issues.Developed and executed strategies to improve email engagement rates.

Performed IP and domain warmup to optimize deliverability.Monitored and addressed IP and domain blacklisting issues, successfully delistingwhen necessary.Implemented bash scripts to check domain/IP blacklisting on DNSBLs, fetch senderscores, and monitor Microsoft SNDS IP reputation.Conducted research and development in email deliverability and mail serveradministration, documenting key findings.Configured BIND DNS servers to manage reverse DNS records for company-owned IPs and sender domain DNS records.Administered and optimized MySQL and Percona database servers.Maintanance of Linux Baremetal servers - Rocky Linux and CentOSTook on the additional role of ISMS Manager, ensuring the company remainedcompliant with ISO 27001 standards.

Installation and configuration of postfix, dovecot, roundcube email servers.Conducted IPMI, BIOS, and RAID firmware upgrades on bare-metal servers, settingup software and hardware RAID using IPMI tools and custom disk partitioning perclient specifications.Installed and configured Hyper-V, Xen, and VMware nodes, managed virtualmachines to ensure efficient resource allocation, high availability.Managed backup, restoration, and migration processes for Hyper-V, Xen, Linux, andVMware servers, ensuring data integrity and minimal downtime.Monitored server setups using Nagios, proactively identifying and resolving issues,and drove the resolution of tasks and incident tickets to maintain optimal performance.

Troubleshooting spam issues on virtual machines and mitigating load. Identifying the source of spamming through network and email header analysis.Managed Linux and Windows servers, optimising virtualization in Hyper-V and Virtuozzo for high availability.Monitored server processes and provided Tier 2 support through Kayako, enhancing customer satisfaction.Implemented firewall policies with IPtables and Windows Firewall for security.

Provided technical support via ticketing systems and live chat, resolving server and software issues.Led installation and configuration of Linux and Windows servers for optimal performance and security.Monitored server performance, addressing network issues, boot problems, and ensuring high uptime.Managed web (IIS, Apache), mail (QMail, Exim, Postfix), and database servers (MySQL, MSSQL).