Hire the Best WebLogic Administrators
in Spain

More than 3,000 reviews on G2
Rating is 4.5 out of 5.
4.5/5
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Gustavo F.

Barcelona, Spain

$40/hr
5.0
6 jobs

IT System Administrator Expert in MDM, Cloud Solutions & IT Automation What I Bring: Proven success in managing large IT projects, including Jamf and Intune deployments. Expertise in Okta automation, improving user provisioning and role management. Skilled in creating and optimizing Jira Service Projects for better issue tracking and workflows. ️ Focused on proactive problem-solving to boost system efficiency and user satisfaction. What Drives Me: Always eager to tackle new challenges in dynamic IT environments, delivering solutions that make a difference.

  • JAMF
  • Microsoft Intune
  • System Administration
  • Google Workspace
  • Jira
Vasyl K.

Madrid, Spain

$40/hr
4.1
21 jobs

DevOps Engineer with 10+ years of experience in cloud platforms, system administration, and CI/CD implementation. Expertise in AWS environments, database management, and infrastructure automation. Proven record in optimizing system performance, implementing security measures, and resolving complex issues across production environments. - Cloud & Infrastructure: AWS (EC2, ECS, EKS, RDS, S3, VPC, TGW), GCP, Azure, Terraform, CloudFormation, Ansible - Operating Systems: Linux (RHEL), Windows Server - Containers & Orchestration: Docker, Kubernetes (ECS, EKS) - CI/CD & Version Control: GitHub Actions, Jenkins, GitLab - Monitoring & Diagnostics: CloudWatch, Dynatrace, Grafana, Elasticsearch, Nagios - Databases: Oracle, SQL Server, MySQL, PostgreSQL - Programming & Scripting: Python, Bash, PowerShell, JavaScript - Application Servers: Apache, Nginx, JBoss, Tomcat - Application Support: .NET (Windows), Java (JBoss/Tomcat)

  • Apache Kafka
  • PostgreSQL
  • Oracle
  • Amazon EC2
  • Jenkins
  • DevOps
  • Elasticsearch
  • Software QA
  • GitLab
  • Linux System Administration
  • Microsoft Azure
  • Manual Testing
  • MySQL
  • Microsoft SQL Server
  • Zabbix
Joan C.

Calafell, Spain

$65/hr
5.0
149 jobs

Linux server/VPS management, performance, monitoring, and hardening; DDoS mitigation with ModSecurity and CSF firewall protection; email deliverability. #4 contributor worldwide on Spamhaus Threat Intelligence (100K+ threat monthly reports) and AbuseIPDB (1000K+ reports since 2025) - I identify cyber threats before they hit your servers, and I maintain real-time threat intelligence for global networks. #1 developer ranking on Stack Overflow Spanish (16K+ reputation) in 2022 with solutions trusted by thousands of developers. Skills: Linux Sysadmin, WHM/CPanel, HestiaCP, VestaCP, LAMP, LEMP, Varnish, Cloudflare, WordPress protection, hosting, PHP, MySQL, malware, webmaster, Apache, Exim, ModSecurity, CSF Firewall, networking, and security. Has your Linux server crashed? Or with CPU spikes? Or under DDoS attacks? I've been solving system crises 24/7 for over 25 years. Problems Solver and so on... My clients networks: OVH, Digital Ocean, Bluehost, Interserver, AWS, Linode, Google Cloud, GoDaddy, Hetzner, Hostinger, Contabo, Azure Microsoft, NetCup, NameCheap, AsmallOrange, BudgetVM, Comvive, DotBlock, FastHost, HostRocket, Liquidweb, and a long so on. Long experience. Since 1993 I've been working with computers for companies like IBM (12 years).

  • Linux System Administration
  • LAMP Stack
  • LAMP Administration
  • LEMP Stack
  • Web Hosting
  • Cloudflare
  • WordPress Security
  • Website Security
  • System Security
  • Network Security
  • Email Deliverability
  • DNS
  • PHP
  • cPanel
  • Email Security
  • Twitter/X Bootstrap
  • Bash Programming
  • Internet Security
  • System Administration
  • Web Service
Aman Ullah J.

Madrid, Spain

$56/hr
5.0
484 jobs

I am a System Administrator and Cloud Engineer with over 10 years of professional experience in cloud computing, system administration, and IT security. I bring a strong academic foundation and hands-on expertise to deliver innovative and secure IT solutions. My technical skills span cloud platforms like AWS, Microsoft Azure, Google Cloud, and Digital Ocean, as well as system administration for Linux and Windows servers. I am proficient in the following areas, • Cloud Service Amazon Web Service | Azure | Google Cloud | IBM Cloud | Digital Ocean | Vultr | Linode | UpCloud | Hetzner | Scaleway • Amazon Web Services (AWS) EC2 | ECS | RDS | S3 | Route 53 | IAM | Cloud Watch | SES | SNS | ELB | Certificate Manager | VPC | Glacier | Autoscaling | CodeCommit | CodePipeline | Guard Duty | Elastic Beanstalk | CloudFront | IPAM | CloudTrial | Cloud Watch | Global Accelerator • System Administration Windows Server | Linux Server | KVM | Proxmox | VMware ESXI | Hyper-V | Server Migration | Server Monitoring | Server Management | Server Optimization | 3CX | Twilio Elastic SIP • CMS WordPress | WordPress Migration | WordPress Speed Optimization | WordPress HA | Ghost | Medium | Laravel Installation | Laravel Site Migration • Database MongoDB | PostgresSQL | MySQL | MariaDB | DB Optimization • Windows Server Active Directory | Group Policy | IIS | Exchange | DNS Server | RRAS | Windows Firewall • Linux Nginx | Apache | MySQL | PHP | UFW | Iptables | Git | Let’s Encrypt | OpenVPN | SoftEther | MariaDB | Dovecot | Fail2Ban | Grafana | LEMP | LAMP | WireGuard | Redis | Docker • Cloud Tools CyberPanel | Lite Speed | RunCloud | CloudWays | GridPane | Ploi | Plesk | cPanel l Virtualmin | Webmin • Networking Cisco Routing and Switching | Mikrotik | OpenWRT | Generic Router | VPN • Mail Server Setup and Management Postfix | SendMail | Amazon SES | MailWizz | Mandrill | SendGrid | Server Blacklisting and Bounce Management | Sendy | SPF | DKIM | DMARC | MailGun | Sendinblue • Workspace Amazon Workspace | Google Workspace | Office365 | AzureAD | AWS AD | Zoho Workspace | Zoho Mail | Proton Mail | NextCloud | OwnCloud I hold multiple certifications, including: • AWS Certified Solutions Architect – Professional • AWS Certified Security – Specialty • AWS Certified Solutions Architect – Associate • Microsoft Certified: Azure Administrator Associate • Certified Ethical Hacker (CEH) • AWS Authorized Instructor As a Top Rated Plus Freelancer on Upwork, I have successfully delivered projects involving cloud migrations, infrastructure optimization, DevOps automation, and IT security enhancements for global clients. My passion for learning extends to IoT development and cybersecurity research, with published work on global bandwidth optimization and web-based systems. Let’s collaborate to solve your IT challenges with scalable and secure solutions!

  • Office 365
  • System Administration
  • Amazon Web Services
  • Linux System Administration
  • VMware ESX Server
  • Amazon EC2
  • WordPress
  • IT Service Management
  • Email Deliverability
  • Google Workspace Administration
  • Technical Support
  • Page Speed Optimization
  • OpenWrt
  • Email Campaign Setup
  • Computer Engineering

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