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Who I Am:
โ "Top Rated" Badge
I'm a Cloud Infrastructure Specialist with 5+ years of experience in email servers, webhosting, DNS servers, Web and email migration, SSL installation, VPS administration of Linux and windows machines. I am looking to be outsourced by you so I can bring my skills for start-ups as well as professionals. Check out my profile and let me do something great for you.
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My Skills and Experiences:
โ Hands-on experience Citrix Xen, OpenStack KVM, VMware vCloud director and vCenter
โ WHM/cPanel, Plesk, CentOS Web Panel(CWP), webmin / virtualmin hosting of Email, websites and server migrations
โ Emails servers including Axigen, GSuite, Office365, Posfix SMTP server, Exim, MailEnable, postal, mailcow, proxmox mail gateway, mautic mailwizz, and Webmail RoundCube and Horde
โ On-Prem Password Manager Server
โ Linux Administration (Redhat, Ubuntu, CentOS, Debian, Alma, Rocky)
โ Database Administration (MySQL, PostgreSQL,MariaDB)
โ SSL installation and redirection from HTTP to HTTPS
โ Client end email configuration Thunderbird, outlook, mailbird etc
โ System root/administrator password recovery through rescue mode
โ Dial-up VPN and site to site VPN configuration
โ Active Directory deployment and related issues
โ Grafana -with- prometheus, blackbox and snmp / PRTG / Zabbix / Cacti Network Monitoring Server installation, configuration, troubleshooting.
โ File servers | Nextcloud | Paperless
โProject Management | OpenProject
โSelf host code repository server | Gitlab
โIT asset management | Snipe-IT
โSelfhosted internal organisation chat server | Mattermost
โEmail Campaigning Tool | Mautic
โSelfhosted Email Relay | MTA | Postal
โAD LDAP integrations
โ Nginx / Apache Server setup
โ DNS Servers (Bind, PowerDNS)
โ SFTP/FTPs server setup and issues on Centos7 and windows
โ PFsense installation, VPN Server setup, Backup and restoration, ACLs, DHCP, DNS, port forwarding, NATting, FreeRadius
โ 2FA on RDP and VPN (rohos, duo)
๐ With my knowledge, extensive training, and years of experience, I am confident that I can contribute to the prosperity and success of your job.
Please get in touch with me to talk about your project.
Grafana
DNS
VMware Administration
Microsoft Azure Administration
SSL Certificate
Server Virtualization
System Administration
DigitalOcean
Citrix Hypervisor
Web Host Manager
Email Software
AWS Systems Manager
Linux System Administration
Windows Server
OpenStack
Muhammad A.
Karachi, Pakistan
$15/hr
5.0
45 jobs
A Certified IT professional freelancer on Upwork specialized in Microsoft SQL Server Database Administrator (DBA), IBM webMethods API Gateway, Integration Server, Universal Messaging, Developer Portal, Command Central Implementations and Administration, Oracle database administrator, Oracle Middleware Weblogic Administrator, Oracle EBS, Oracle Hospitality Micros E7, RES 3700, Oracle utilities Customer Card and billing technical and functional support (CC&B / CCB / MDM / WAM, MWM, NMS and OUA). Oracle Simphony POS implementation and support, Oracle Hyperion, Windows and Linux system administrator, IT Helpdesk and technical Support.
I have worked on several different jobs with 100% ๐reliability and long term repeated clients in the following;
โ 24/7 | Remote | Call | Operational support.
โ Microsoft Server Implementation and Administration Support.
โ Microsoft SQL Database Administration.
โ Server Administration including Windows / Linux / OEL.
โ Oracle Products Implementation, Administration, critical, security patching and support.
โ Backup and Disaster Recovery of Oracle Database using RMAN.
โ Designing Oracle DR site using Dataguard.
โ Implementation and Support of IBM webMethods, API Gateway, ESB, Integration Server, Universal Messaging, Command Central, Developer Portal, SoftwareAG Products.
โ Oracle EBS Technical and Administration Support.
โ Oracle Fusion Middleware Implementation and Administration Support Weblogic / OHS / SOA / OSB / BPM / Integrated JDeveloper / Forms & Report/ LDAP integration with Fusion Middleware.
โ Tomcat Apache Middleware Administration.
โ Performance Monitoring and auditing support.
โ Upgrade / Migrate Database and Fusion Middleware.
โ Support Amazon AWS Services.
โ Schedule Performance Monitoring and administration task for your business.
โ Training and Management.
SKILLS:
๐ถ Microsoft SQL Database Administration.
๐ถ Oracle Database Administration
๐ถ MySQL Database Administration.
๐ถ Oracle Forms & Report Configurations.
๐ถ Oracle FMW Weblogic Administrator.
๐ถ 24/7 for Mission-Critical Environment Support.
๐ถ Technical & Help Desk Customer Support.
๐ถ Oracle EBS Administration.
๐ถ Microsoft SQL, Oracle products critical patching.
๐ถ SQL DB Backups, IMPDB / EXPDB, RMAN Incremental Level 0 and Differential backup & recovery.
๐ถ Oracle utilities Customer Card and billing technical and functional support (CC&B / CCB / MDM / WAM, MWM, NMS and OUA).
๐ถ Oracle Micros E7 POS complete support.
๐ถ Oracle Micros RES 3700 POS implementation and support.
๐ถ Oracle Simphony POS implementation and support.
๐ถ Oracle POS RVC, Touchscreen, MI, Deals, Combo, Reports, EOD/SOD, Reports, database Designing staff training and support.
๐ WHY YOU CONTACT ME OVER OTHER FREELANCERS? ๐
๐ Upwork employerโs excellent satisfaction feedback.
๐ I have hands-on experience more than 8+ years in relevant products.
๐ Officially certified in products cum having Masterโs Degree in Computer Science.
๐ Maximum availability for your mission-critical environment
๐ Providing functional team support for your products.
๐ Pay after your satisfaction.
โ Do you have any urgent query or requirements? Kindly open PMB and feel free to contact!
Microsoft SQL Server
Database Administration
Linux System Administration
Hospitality
Oracle Database Administration
Customer Support
Oracle Fusion Middleware
Point of Sale & Payment Systems
System Administration
Technical Support
Oracle WebLogic Server
API Integration
Oracle E-Business Suite
Energy & Utilities
Ecommerce Website Development
Ajmal M.
Karachi, Pakistan
$25/hr
4.7
20 jobs
I am an Email Marketing Expert having more than 15 year of experience in:
- Email Marketing
- Email Marketing automation
- Interspire Email Marketing
- Mailwizz EMA
- Acelle Mail
- Sendy Mail
- PowerMTA SMTP servers
- Postal SMTP servers
- Mautic Email automation
- Content Management System like WordPress, Magento, Joomla, OpenCart etc.
- Linux web servers
- n8n Automation
I welcome any custom requirements to discuss.
Email Automation
MailWizz
SMTP
Email Marketing Strategy
Mautic
WordPress
Interspire
Email Deliverability
Virtual Private Server
Email Marketing Consultation
Email Marketing
Sendy
DNS
Muhammad R.
Karachi, Pakistan
$30/hr
5.0
47 jobs
Top-rated Upwork System Administrator and Developer with over 12 years of expertise in infrastructure management and system administration. I specialize in Docker, containerization, and cloud-based solutions. My comprehensive experience includes virtualization, CI/CD pipelines, scripting, and cloud management. I have successfully supported and implemented scalable, secure infrastructure solutions for clients across various industries.
12+ years of experience in Linux Server Administration
11+ years of expertise in Bash & Python scripting
11+ years managing MySQL, PostgreSQL, and MongoDB databases
5+ years of development experience with PHP (Laravel, WordPress)
3+ years of experience with Node.js and Express.js
7+ years working with AWS services (EKS, RDS, Lambda, Route 53, S3, ELB)
5+ years of hands-on experience with Docker, LXC/LXD and Proxmox for container management
8+ years of DevOps and CI/CD pipeline implementation
Team Collaboration: Proven ability to work effectively within large teams, collaborating with cross-functional experts to deliver on shared goals.
Clear Communication: Native-level English proficiency, with strong skills in explaining complex technical topics in a clear and concise manner. Open to communication on Slack or Zoom, with availability around the clock.
Leadership & Project Management: Experience leading remote teams and coordinating resources to meet project deadlines. Skilled in team planning and task management using JIRA.
DNS
Windows Server
System Administration
WooCommerce
Jenkins
Docker
MySQL
WordPress
Laravel
Linux System Administration
Git
Amazon EC2
Mail Server Implementation
Data Migration
Migration
Imam D.
Karachi, Pakistan
$35/hr
5.0
65 jobs
I provide reliable Cloud, ERP, VPN, Firewall, Backup, Remote Access, and IT Infrastructure solutions for businesses.
I help companies set up, secure, manage, and troubleshoot their IT systems including servers, cloud hosting, VPN, firewalls, backup solutions, RDP access, Proxmox infrastructure, ERPNext hosting, accounting software, and monthly IT support SLA.
My services include:
โข Cloud server setup and management
โข Dedicated and standard server configuration
โข Proxmox infrastructure deployment and support
โข Hetzner cloud support
โข OpenVPN and remote access setup
โข Fortinet firewall configuration and troubleshooting
โข RDP users and CAL services support
โข ERPNext hosting and rental-based ERP/accounting software
โข Accounting and inventory software support
โข SSL security setup
โข Veeam and Nakivo backup configuration
โข Backup storage and file server solutions
โข Windows and Linux server support
โข IT troubleshooting and end-user support
โข Monthly IT support SLA for businesses
I focus on secure, stable, and business-ready solutions. My goal is to provide clean deployment, proper documentation, reliable troubleshooting, and long-term support for clients.
If you need help with cloud hosting, VPN, firewall, remote access, ERP hosting, backup, or complete IT infrastructure, I can support you from planning to deployment and ongoing maintenance.
Letโs discuss your requirement and build a reliable solution for your business.
Windows Server
System Administration
Ubuntu
Linux
Technical Support
Server Administration
Cloud Computing
Proxmox VE
Virtualization
Backup & Migration
Veeam
Backup Administration
IT Support
Windows 10 Administration
Windows 11 Administration
Tech & IT
Microsoft Windows
Server
Devolutions Remote Desktop Manager
System Installation & Upgrades
Ghulam D.
Karachi, Pakistan
$40/hr
5.0
2 jobs
I am a highly skilled IT professional with over 12 years of extensive experience in network and system administration, specializing in advanced firewall management, comprehensive network security strategies, Linux server optimization, and penetration testing methodologies. My expertise lies in safeguarding network infrastructures and enhancing system resilience through a proactive risk assessment approach and the implementation of best practices.
Certifications:
CCNA Routing and Switching.
Brocade BVCRE.
CCNP Route, CCNP Switch.
Technical Skills
Operating Systems: Highly proficient in CentOS, Red Hat, Ubuntu, and Debian.
Open Source Solutions: In-depth knowledge of open-source solutions, network management systems, and deployment strategies.
Server Management: Proven skills in managing various server types, including:
Mail Servers
FTP Servers
VPN Servers
Hypervisors
Web Servers
Database Servers
Network Management System (NMS) Servers
DHCP and Gateway Servers
Networking:
Expertise in configuring and managing servers, routers, switches, DNS, NAT, VLANs, subnets, TCP/IP, DHCP, and VOIP.
Proficient in server security using IPTables and TCP Wrapper.
Knowledge of network protocols such as HSRP, VRRP, GLBP, OSPF, EIGRP, BGP, VTP, RSTP, MSTP, and NetFlow.
Automation:
Automation skills using Shell and Python scripting, along with Cron jobs.
File Systems:
Experience in implementing fully redundant file systems via GlusterFS, rsync, and Unison.
Mail Server Optimization:
Expertise in custom configuration and optimization of mail servers.
Virtualization:
Experienced with KVM, XenServer, and VirtualBox.
Cloud Solutions:
Knowledgeable in cloud file storage/syncing solutions like OwnCloud and Seafile.
Expertise in cloud infrastructure for IaaS (Virtual Machines) and DaaS (VDI).
Network Management:
Skills in managing firewalls, DHCP, proxies, and bandwidth shaping.
Techniques using Samba, DHCP, and IPTables.
Network Management Systems:
Familiar with NMS servers such as Zabbix, Nagios, and Icinga.
Logging and Monitoring:
Experience with Elasticsearch and the ELK stack for enterprise logging.
DNS Management:
Deployment of Bind DNS servers.
High Availability Solutions:
Fully redundant Zimbra mail server deployment and experience with HA setups.
Distributed File Systems:
Proficient in OpenMediaVault and Openfiler-based central iSCSI target/Samba share storage.
Experience with XtreemFS and GlusterFS for distributed high-availability replicated file systems.
Collaboration Systems:
Knowledgeable in OpenMeeting and BigBlueButton open-source collaboration systems.
Database Management:
Experienced in HA and replication strategies in MySQL, MariaDB, and Galera Cluster (Master/Master, Master/Slave).
Vendor Equipment:
Expertise in configuring devices from vendors such as Cisco, Juniper, Fortinet, Palo Alto, and Check Point.
Hosting Platforms:
Proficient in managing hosting environments such as DigitalOcean, GoDaddy, HostDime, and AWS.
Vulnerability Assessment & Penetration Testing:
Experience using tools like Burp Suite, Nessus, Maltego, OpenVAS, Nmap, and Wireshark for vulnerability assessment and penetration testing.
Network Security
Network Monitoring
MySQL
Nagios Core
CentOS
Network Planning
Linux System Administration
Penetration Testing
Zabbix
Fortinet
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