Hire the best Linux System Administrators in Florida

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$70 hourly
Diogo O.
- 4.9/5
- (21 jobs)
• Programming/scripting: Microsoft Visual C/C++, Java SE, PERL, Python, Visual Basic, HTML, Shell • Operating systems: Linux (several distributions), Windows, IoS • Cyber Security: policies, protocols and network services, deep learning, malware analysis • Network simulation/analysis: MATLAB, OPNET ModelerTM, CPLEX, Mininet, GNS3, NS2 • Software-defined networking (SDN): ONOS, OpenFlow, OpenStack, OpenDaylight, Open vSwitch • Network services administration: Apache, Samba, LDAP, firewalls, IDS, VPN provisioning • Routers and switches: Cisco IOS, Extreme Networks, HP, Big Switch, EdgeCore • Networking protocols: RIP, OSPF, BGP, VLAN, VXLAN, STP, VRF, GRE, ATM, MetroEthernet • Wireless: Cisco, Aruba, Mikrotik • Virtualization: KVM, XEN, VMWare • Network Management: OpenNMS, Nagios, Zabbix, Cacti • Optimization: Integer Linear Programming, genetic algorithm, heuristic schemes, deep learning • Big data ecosystems: Hadoop®, MapReduce, Apache SparkTM, Splunk • Applications: LaTeX, Adobe Photoshop, Visio, Canvas, Dreamweaver

Linux System Administration
Network Administration
Network Security
Scripting
MySQL
Java
$65 hourly
Alexander D.
- 4.8/5
- (42 jobs)
A decade of experience building and securing infrastructure at an enterprise scale. Areas of responsibility include network security, endpoint security, cloud security, security automation and SIEM.

Linux System Administration
Kali Linux
Splunk
Red Hat Enterprise Linux
Bash Programming
Web Application Firewall
Windows Administration
Security Operation Center
Security Infrastructure
Digital Forensics
Incident Response Plan
Cybersecurity Management
Server Administration
Palo Alto Firewalls
Security Engineering
Network Security
Cloud Security
Automation
$80 hourly
Fedir P.
- 5.0/5
- (172 jobs)
As a dedicated DevOps and Cloud Engineer, I specialize in optimizing infrastructure and automating processes to drive operational efficiency and enhance service delivery. With a solid foundation in cloud technologies, particularly AWS, I design and implement scalable solutions that not only meet business objectives but also ensure high availability, security, and performance. Throughout my career, I have gained extensive experience in infrastructure as code (IaC) using tools like Terraform and Ansible, which has enabled me to automate configuration management and streamline deployment processes. My proficiency in containerization and orchestration, particularly with Docker and Kubernetes, allows me to create resilient environments that can adapt to changing demands and workloads. I have successfully led the implementation of continuous integration and continuous deployment (CI/CD) pipelines, significantly reducing time to market and improving software quality. My hands-on experience with monitoring and logging solutions, such as ELK Stack and Datadog, ensures that I can proactively manage system performance and reliability, minimizing downtime and enhancing user satisfaction. Collaboration is at the core of my approach. I thrive in dynamic, cross-functional teams where I can engage with developers, QA engineers, and stakeholders to identify challenges and deliver innovative solutions that align with both technical and business needs. My strong communication skills and ability to convey complex technical concepts empower teams to make informed decisions that drive projects forward. My passion for continuous improvement fuels my commitment to staying current with industry trends and emerging technologies. I am particularly interested in exploring advancements in cloud-native architectures, serverless computing, and automation frameworks. In addition to my technical skills, I am dedicated to fostering a culture of knowledge-sharing and mentoring within my teams. Empowering others through training and collaboration not only enhances individual skills but also drives overall team performance. I am eager to leverage my expertise in automation, cloud architecture, and system optimization to contribute to organizations that prioritize innovation and excellence. Together, we can navigate the complexities of the digital landscape and achieve transformative results

Linux System Administration
Amazon EC2
DevOps
Service Cloud Administration
PCI
Docker
Continuous Integration
System Automation
LAMP Administration
Amazon Web Services
$80 hourly
Tom K.
- 4.7/5
- (177 jobs)
Server admin, Python developer, and problem solver with 20+ years of experience. Do you need help with servers, DNS, hosting, Cloudflare, Email (SPF/DKIM/DMAC), SSL? Issues with your hosting provider and want to migrate? Are you frustrated? I can help! Free consultation. I've run web hosting facilities, a registrar, and managed over 50k domains. Infrastructure expert. Most recently I've been working with Redpanda/Kafka, TimescaleDB, PostgreSQL, Django, and stream processing technologies for real-time financial analytics. - Advanced Linux / FreeBSD Administrator and Infrastructure Engineer - Configuration and Performance Tuning - Hosting Server Migrations - Load balancing, high-availability - MySQL, PostgreSQL, MariaDB - DNS, Cloudflare - Cloud Services (AWS, DigitalOcean, Linode, Vultr, OVH) - nginx, apache, haproxy - cPanel, WHM, Plesk, Vesta, Bitnami, WordOps - Duo Security and 2FA Integrations - SSL Certificate installation and support including TLS upgrades - Wordpress performance and scaling - Python, Django, Redis, TimescaleDB, PostgreSQL - Redpanda (Kafka) and real-time streaming analytics ABOUT ME: Multi-disciplinary Expertise: 20+ years in server administration, software development, and business management. Proven Track Record: Founded a web hosting company serving 50k websites, generating over $1 million/year. Unique Skillset: Adept in tech implementation and project management, ensuring a well-rounded approach to your needs. Speedy learner, highly organized, efficient, ambitious, creative, and self-motivated problem solver. Excellent written and verbal communication skills. I work quickly, can problem-solve advanced tech issues, and pay close attention to details. My ability to do both hands-on tech work and business/project management gives me a unique advantage over my peers.

Linux System Administration
Web Service
WordPress
MySQL
Network Administration
Domain Migration
FreeBSD
Web Hosting
System Administration
Security Management
Python
NGINX
$45 hourly
Aaron S.
- 4.5/5
- (146 jobs)
With 25+ years of hands-on experience in Linux (since '96), BSD (since '98), and commercial UNIX systems, I specialize in hardening, performance tuning, and legacy migrations. I bring deep expertise in system administration, scripting, and infrastructure security to every project. Current projects at ajsbsd.net HP-UX SunOS Solaris AIX OpenBSD FreeBSD NetBSD Debian Education Winter Park High School 1992 - 1996 – Gifted Program Valencia Community College 1996 – 1998 Contractor Recommendation "Aaron is a very good systems engineer for Linux, UNIX and Windows. He has an in depth understanding of system internals. I found him to be an honorable man that stands behind his word and keep on track of the project. He has always been friendly and a good attitude even when he is upset. He would make a good supervisor in any company." — Shelton R., Sr. IT Consultant / DB2 DBA Expert, Xtivia, worked directly with Aaron at HGVC #Linux #FreeBSD #Solaris #ShellScripting #SystemHardening #CloudMigration #SecurityAudits

Linux System Administration
MySQL
Virtualization
OpenBSD
Network Security
Iptables
Unix Shell
FreeBSD
Snort
Amazon EC2
Linux
System Monitoring
CentOS
Apache HTTP Server
System Administration
$65 hourly
Eric N.
- 5.0/5
- (30 jobs)
Hello, I'm Eric. With over a decade of experience in web design and development, I specialize in constructing, maintaining, repairing, and optimizing high-traffic websites and online stores. I have successfully managed numerous large-scale projects from start to completion. Beyond my technical expertise, my friendly demeanor and commitment to teamwork elevate each project I'm involved in.

Linux System Administration
CS-Cart
Elementor
Problem Solving
Server Administration
Linux
jQuery
Website Optimization
MySQL
JavaScript
CSS
HTML
PHP
WordPress
Responsive Design
$78 hourly
Brian K.
- 4.5/5
- (64 jobs)
My main focus is working as a full stack Software Engineer, with a strong focus on the web using modern best practices. My vast range of experience gives me significant insight into the full stack of application development from the system to the database to the application. I am able to troubleshoot complex system issues, as well as solve complex problems in application design and development.

Linux System Administration
Git
MySQL Programming
Unix
PHP
Magento
Python
CSS
JavaScript
$75 hourly
Samuel P.
- 5.0/5
- (76 jobs)
AI Agent Architect | LLM & RAG Specialist | AI Engineer & MVP Full-Stack Developer I’m an AI Systems Architect and Full-Stack Innovator who transforms ambitious ideas into secure, scalable products—whether it’s cloud-native SaaS platforms, cutting-edge LLM & RAG pipelines, AI agents, or React/Next.js web and React Native mobile experiences. One highlight: as Co-Founder and Lead AI Engineer of a performance-tracking startup, I architected and built its flagship computer-vision “40-Yard Tracker,” managed all IP and provisional patent filings, and guided the team through a successful acquisition. If you need robust, maintainable development backed by a decade of hands-on expertise and a Top Rated Plus, Expert-Vetted track record, I’m ready to help you deliver measurable ROI and industry-leading AI solutions. Why Teams Hire Me AI Agents & LLM/RAG Architectures • Design & deploy multi-stage RAG pipelines with LangChain, Haystack, Pinecone, Chroma, and custom vector DBs (Vektaris) • Prompt engineering and fine-tuning of open-source (LLaMA, Falcon, GPT-NeoX) and proprietary LLMs (GPT-4, Claude) Zero-to-One AI & SaaS Builds • End-to-end systems with React.js/Next.js, Node.js, Python, containers, and serverless • Intelligent automation—chatbots, voice systems, email flows, social-media managers, and data-driven features Full-Stack Web & Mobile • Responsive SPAs/PWAs with React/Next; cross-platform React Native • REST & GraphQL APIs, microservices, real-time data pipelines Speed & Quality Combined • Custom toolchain auto-generates tests, linters, performance checks—slashing dev cycles by 50% • Rigorous CI/CD workflows to maintain 99.9%+ uptime Scalable DevOps & Cloud • IaC with Terraform, AWS, GCP, Docker, Kubernetes for secure, predictable releases Security-First Mindset • Encryption at rest/in-transit, MFA, threat modeling, compliance reviews Key Achievements • Engineered a multi-tenant RAG service handling 100K+ daily requests at <100 ms • Reduced inference costs by 40% via custom quantization & cross-model batching • Launched an enterprise chatbot processing 20K+ weekly interactions at 95%+ accuracy • Built a fraud-detection pipeline that prevented $2M+ in suspicious activity • Developed Vektaris—a decentralized vector database. • Earned Top Rated Plus & Expert-Vetted status on Upwork with 100% client satisfaction How I Operate Initial Chat – Align on objectives, scope, and timeline Contract & Consultation – Simple agreement + deep-dive session Requirements Report – Architecture, stack, milestones, deliverables Flows & Wireframes – User flows for core features (AI agents, chat, search, dashboards) Incremental Development – Weekly demos, CI, tight feedback loops Testing & Expansion – QA, performance tuning, security hardening, roadmap next features Hourly Contracts – Pay-as-you-go, full visibility, reprioritize on demand Flat-Rate Milestones –For Small Well-scoped deliverables, fixed fee, zero scope creep Rates • Full-Stack Development (no AI): from $50/hr • AI-Enhanced Projects (LLM, RAG, AI Agents): from $75/hr (complexity-based) Exclusive Upwork Offer Available only to clients who engage through Upwork, this package includes: 50% off a subscription to Fraud Buster AI, my flagship chargeback-mitigation engine proven to reduce disputes and protect revenue for online merchants 6-month complimentary access to Vektaris, my decentralized vector database for secure, scalable embeddings backends Secure best-in-class fraud protection and a robust RAG infrastructure at no extra cost—because your success is my success. Terms and conditions apply. Please message me to learn more and see if you qualify. Ready to architect your next AI breakthrough? Let’s talk.

Linux System Administration
Large Language Model
MongoDB
Firebase
Node.js
Chatbot Development
JavaScript
Next.js
React
React Native
Artificial Intelligence
PyTorch
Python
TensorFlow
Machine Learning
$85 hourly
Frank R.
- 4.8/5
- (12 jobs)
Hi, I’m Frank—an IT Consultant with 15+ years of hands-on experience helping businesses modernize and thrive in fast-evolving tech landscapes. I bring the best of both worlds: a solid 10-year foundation supporting on-prem and hybrid environments through Managed Services Providers (MSPs), and the past 5 years dedicated to architecting and managing cloud solutions in AWS and Azure. I've worked with Fortune 500 companies, government agencies, and education organizations, delivering high-impact solutions from cloud adoption strategies and migrations to ongoing managed support. Whether it's automating infrastructure with PowerShell, Python, and Terraform, or tightening security and compliance using AWS Security Hub, GuardDuty, and Azure Monitor—I bring clarity, confidence, and calm to complex environments. **Here’s what I can help you with:** - End-to-end AWS & Azure cloud migrations - Cloud cost optimization and resource planning - Infrastructure-as-Code with Terraform & CloudFormation - Backup, patching, and disaster recovery strategies - Security and compliance audits (AWS/M365/GCP) - Scripting and automation for cloud and hybrid workflows - Team onboarding, documentation, and knowledge transfer I also specialize in virtual desktop environments like Amazon WorkSpaces and AppStream, and love empowering teams with the tools they need to succeed. Let’s chat about how I can help streamline your cloud journey or enhance your current infrastructure with the right mix of performance, security, and cost-efficiency. Below I have provided some of the technologies I have worked with over the years: Amazon WorkSpaces, Amazon AppStream, Amazon S3, Amazon EC2,AWS Control Tower, AWS Backup,AWS Landing Zones, Auto Scaling Groups, Amazon Connect, Amazon CloudWatch, VPC, EC2, RDS, CloudWatch,DataDog, CloudFormation/Terraform, Elastic Load Balancer, EFS/EBS, Amazon IAM, Active Directory,Microsoft Azure, Hyper-V, Windows Server 2008/2012/2016/2019, ConnectWise, AutoTask, Zendesk, Datto RMM, Datto Backup, AWS backup, Azure backup, Max Backup, Microsoft Office365, Google Workspaces, Meraki, SonicWall, Slack, Mimosa, QuickBooks, Unifi/ Ubiquiti, Voip, OneLogin, Jira/Atlassian/Confluence, Okta, Scrum/Agile Methodology, JAMF Pro, Netapp, Thomson Reuters, Wolters Kluwer CCH Axcess, SQL, SQL Server 2014-2016, Python, Powershell, JSON, Terraform, & YAML. I look forward to chatting with you!

Linux System Administration
Backup & Migration
Windows 10 Administration
Office 365
Windows Server
CSS
HTML5
CSS 3
Email Support
Technical Support
DNS
DHCP
Incident Management
Business with 10-99 Employees
$50 hourly
Jason K.
- 4.9/5
- (9 jobs)
Information Technology / Cyber Security / Programming Specialist Solutions oriented IT Professional with proven success designing, implementing & integrating cost effective high performance technical solutions to meet challenging business needs. Over 30 years experience with Systems, Software, Security, Databases. Troubleshooting for such companies as AT&T, ADM, Boeing, Coke Cola, Cleveland Clinic, CompUSA, DOD, Lockheed Martin, Motorola, Rolls Royce, Siemens, Walmart, & Xerox. * Solid knowledge of LAN/WAN network administration and support under Linux and Windows environments. * Proven expertise in supporting and troubleshooting hardware, database and networking issues. * Demonstrated ability to satisfy users through analysis and problem resolution. * Recognized as the go-to person for immediate resolution to technical issues. * Organized, take-charge professional able to plan and oversee projects from conception to conclusion. * Outstanding communication skills; interfaces effectively with management, vendors, staff, peers and users. * Strong technical background with a solid history of delivering outstanding customer service. * Genuine commitment to quality and customer satisfaction. Certifications: A+, CCNA, LPIC-1, LPIC-2, MCDBA, MCSA, MCSE TECHNICAL SKILLS Operating systems: AIX, BSD, DOS, IRIX, Linux (Debian, Gentoo, RedHat, Suse, Ubuntu), Microsoft Windows (3.1/95/98/ME/NT/XP/2003/7/10), Novel, OpenBSD, SCO Unix, Solaris, SunOS, UNICOS, Vax/VMS Networking services, protocols, and topologies: Active Directory, DHCP, DNS, DSL, Ethernet, Firewalls, Frame Relay, FTP, HTTP, IMAP, LDAP, NAS, NAT NetBEUI/NetBIOS, POP3, PPP, RAS, RDP, Samba, Squid, SSL, SMTP, T1, T3, TCP/IP, VPN, WIFI Databases & Modeling/CASE Tools: Oracle, MySQL, MS Access, MS SQL Server, Postgres, Sybase, FoxPro Programming Languages & Tools: ASP, HTML, JavaScript, Java, Nullsoft Installer, Perl, PHP, Python, Shell Scripting, SQL Software & Tools: Apache, Checkpoint, Exchange, HP JetDirect, IIS, LVS, Norton Antivirus for Exchange and for Firewalls, MS Exchange, Postfix, Qmail, Sendmail, Spamassassin, Tapeware, Terminal Services, WebSense, WordPress With over 30 years of experience I can get your project done on time and ahead of schedule!

Linux System Administration
System Administration
Apache HTTP Server
Perl
PHP
In-App Support
Python
WordPress
Network Administration
Bash
Microsoft Windows
Linux
$40 hourly
MAX M.
- 5.0/5
- (17 jobs)
With **20+ years of experience**, Max specializes in managing and optimizing complex IT infrastructures, ensuring **high availability, security, and seamless performance** across on-premises and cloud environments. ## **💻 Core Expertise** ✅ **Proxmox VE** (Installation, Clustering, KVM, LXC Security) ✅ **cPanel/WHM & Control Panels** (Plesk, DirectAdmin, CentOS Web Panel, Webmin) ✅ **Cloud Services** (AWS, Azure, Google Cloud, OVH) ✅ **Backup & Disaster Recovery** (Proxmox Backup Server, strategic recovery planning) ✅ **Security & Optimization** (Imunify360, CSF Firewall, email security compliance) 🐧 Linux System Administration & Optimization 🔹 Expert in managing Linux-based hosting environments with extensive knowledge of multiple distributions 🔹 Server hardening & security enhancements to protect against cyber threats and unauthorized access 🔹 Kernel tuning & resource optimization for maximizing performance on dedicated and virtualized infrastructures 🔹 Automation & scripting with Bash/Python to streamline server management tasks 🔹 Advanced troubleshooting & log analysis—detecting and resolving performance bottlenecks 🖥️ Windows Server & Infrastructure Management 🔹 Expert in Windows Server deployments, optimizing performance and reliability 🔹 Active Directory configuration & management—ensuring smooth user authentication 🌐 WHM Administration & Hosting Optimization 🔹 WHM expert with 8+ years of experience in server administration 🔹 Comprehensive cPanel/WHM management, handling configurations, user accounts, and system performance 🔹 Hosting automation—optimizing resource allocation, security settings, and client management 🔹 WHM security & maintenance—SSL certificate integration, firewall management, and proactive threat monitoring 🔹 DNS & Email Services—configuring SPF, DKIM, and DMARC for better email deliverability 🖥️ Proxmox VE Virtualization & Optimization 🔹 Proxmox VE expert with 8+ years of experience in advanced virtualization 🔹 Cluster deployment & high availability ensuring reliable performance with minimal downtime 🔹 Optimized KVM & LXC container management for cost-effective server solutions 🔹 Networking, firewall, and VPN configurations to enhance system security and access control 🔹 Storage integration (Ceph, ZFS, NFS, iSCSI) for scalable and efficient data handling 🔹 Automated infrastructure management using scripting and API 📦 Proxmox Backup & Disaster Recovery 🔹 Proxmox Backup Server expert, ensuring efficient backup scheduling and automation 🔹 Full & Incremental Backup Strategies for optimized storage and rapid recovery 🔹 Remote & Encrypted Storage Solutions to enhance security and prevent data loss 🔹 Backup Compression & Deduplication for cost-effective resource utilization 🔹 Disaster Recovery Planning—Minimizing downtime, ensuring seamless system restoration ⚡ OVH Dedicated Server & Hosting Solutions 🔹 10+ Years of hands-on experience configuring and managing OVH Dedicated Servers 🔹 Performance Optimization—Fine-tuning system resources for high-efficiency hosting 🔹 Advanced Security Hardening—Implementing DDoS protection, firewalls, and proactive monitoring 🔹 Customization & Scalability—Building custom solutions for businesses using OVH’s infrastructure 🔹 Cost-Effective Hosting—Optimizing dedicated servers for maximum ROI 💻 Core Expertise ✅ Zabbix Monitoring & Alerts (Performance tracking, proactive issue detection, custom dashboards) ✅ Proxmox VE (Installation, Clustering, KVM, LXC, High Availability, Networking) ✅ OVH Dedicated Servers (Advanced configuration, performance optimization, security hardening) ✅ Proxmox Backup Server (Automated snapshots, remote storage, disaster recovery) ✅ WHM & cPanel Administration (Server optimization, user management, account provisioning) ✅ Cloud Services (AWS, Azure, Google Cloud, OVH) ✅ Security & Optimization (Imunify360, CSF Firewall, email security compliance) 🚀 What Sets Max Apart 🔹 Certified cPanel Administrator (2017–2025) & Proxmox Expert 🔹 OVH Specialist—Deep knowledge of OVH’s dedicated infrastructure, from deployment to automation 🔹 Hands-on expertise—No outsourcing, just efficient and customized solutions tailored to client needs 🔹 Multilingual support: English, Spanish, Portuguese, and Italian 🔧 How Max Can Help ✔ WHM expert handling everything from hosting setup to security hardening ✔ Optimization of hosting environments for WordPress, e-commerce, and enterprise solutions ✔ Proxmox Backup configuration & recovery—preventing data loss and ensuring high availability ✔ OVH Dedicated Server customization & management—for powerful, scalable hosting solutions 📞 Let’s Get Started Max offers competitive rates that ensure maximum value for your investment. 📩 Contact today for a free consultation to discuss tailored solutions for server management, hosting optimization, Proxmox Backup, OVH dedicated hosting, and cloud migration. Let me know if you’d like further refinements!

Linux System Administration
Email Security
System Monitoring
PHP
System Administration
NGINX
Cloudflare
WordPress Backup
Backup & Migration
WordPress Security
cPanel
Proxmox VE
DNS
Server Administration
$35 hourly
Juan A.
- 5.0/5
- (6 jobs)
Howdy! I am a Linux System Administrator with excellent technical writing and translating skills. I have an ability to explain complex technical topics in more human terms. I can be your DevOps that bridges technical tasks into content, and translate that content into flawless website translations. I am a WordPress eCommerce specialist. I provide Linux server system administration for servers running web stores on WordPress. I have experience with setting up, securing, and maintaining servers running WordPress instances with +$10 million in annual revenues. I can assist your WordPress eCommerce website with the following: - Server setup, security and maintenance - WordPress application and plugin security - WordPress optimization - eCommerce and membership implementation - Payment provider integration - 3rd party shipping integration - Tax or VAT compliance ***** 5 Stars Services Provided***** | Technical writing from a DevOps that understands system administration. | Website translated between English, Spanish and Portuguese in perfect native language. | WordPress eCommerce setup and management from a DevOps experience running a platform with 8 digits in sales. If you're in need for any of the five stars services provided, send an invite to schedule a free consultation via a call or a video meeting. Thanks for visiting my profile, have a good evening!

Linux System Administration
SEO Writing
WooCommerce
General Transcription
Linux
Web Hosting
Content Writing
English to Spanish Translation
Spanish to English Translation
WordPress
Web Host Manager
Technical Translation
Copywriting
Website Translation
Technical Writing
$75 hourly
Cory W.
- 5.0/5
- (2 jobs)
I'm a Network Engineer with almost 2 decades of experience designing, implementing and maintaining reliable, scalable, accessible and secure networks. I've worked for some of the largest tech companies over the years in an event based roll - IBM, Red Hat, Citrix, RSA, Symantec, Microsoft to name a few. Network Administration and Project Management expertise for small to enterprise clients. Creating unique, proven and robust technology solutions to support business and industry in the increased global demand for reliable network and wireless connectivity. Specializing in Project Management for wireless density configuration and planning for large capacity needs - in bandwidth and throughput. Leveraging over a decade in Hospitality focused solutions and relationships to make reliable and dependable network access a reality. Custom solutions and architecture of robust monitoring and data retention and analytics leveraging open-source Zabbix, Elastic and Grafana software solutions.

Linux System Administration
Systems Engineering
Computer Network
Wireless Network Implementation
Wireshark
Server
Computing & Networking
Cisco
Engineering & Architecture
Network Administration
VPN
Network Design
Network Security
Cisco Meraki
Network Engineering
$70 hourly
Mauricio L.
- 5.0/5
- (2 jobs)
I have installed and maintained many systems through my career. Trying to solve problems with scarce resources have been constant in my professional life. I managed to migrate all Windows Servers systems at work to GNU/ Linux and BSD, keeping just those that where impossible to migrate. Specialties: GNU/Linux Systems Administration Experience with Debian, Ubuntu, CentOS, RHEL and SuSE Linux. I have worked with BSD systems also. Commandline administration and programming with BASH. Perl and Python. Internet Services installation and maintenance (HTTP, SMTP, Firewalls, DHCP, SSH, OpenVPN, etc) Web programming with PHP, Python, React.js. Systems problems detection and solving skills.

Linux System Administration
Firewall
PfSense
React
Python
CI/CD
Docker
Kubernetes
Network Administration
$100 hourly
Bryan S.
- 5.0/5
- (17 jobs)
Extremely passionate expert full stack developer. Working with all the usual suspects: Wordpress, Drupal, WooCommerce, Shopify, Magento, OpenCart, BigCommerce, WHM/cPanel, Plesk, MySQL, MariaDB, MongoDB, SQLite, Javascript, Angular, React, Native Mobile, Linux Administration, Amazon AWS and other platforms and environments (.NET, AVR, ARM, Rasperry Pi, Arduino, Embedded, OpenGL, Etc..). Languages mostly used on projects: PHP, Javascript, HTML, CSS, SQL, Python, C/C++, Bash. With over two decades of industry experience, I am very willing to get my hands into all sorts of projects. Coupled with excellent communication and professionalism you will be pleased with the results.

Linux System Administration
SEO Audit
Laravel
CodeIgniter
Symfony
Data Scraping
cPanel
Website Optimization
Plugin Development
API Integration
PHP
Amazon Web Services
Python
MySQL
Bug Fix
$67 hourly
John J.
- 5.0/5
- (14 jobs)
Since 1991 I have focused on writing quality business software. My specialties are in the areas of finance, investing, blockchain and insurance. I have strong C/C++, C#, and Java/J2EE skills. I am comfortable developing for Windows, Unix/Linux, and mobile platforms. I have worked extensively with Microsoft SQL Server, Oracle, kdb+ and MySQL database management systems and am confident in my skills. While I do take on UI work, I spend most of my time on back-end services that are performant, scalable and fault tolerant.

Linux System Administration
J2EE
Blockchain Architecture
Windows Forms
Java
C#
C++
C
$75 hourly
Mike D.
- 4.6/5
- (24 jobs)
Reliable. Competent. Experienced. I thrive on leveraging modern technology to solve problems and create value. With 22 years in IT, I’ve honed my skills in delivering top-tier support, managing projects, and driving business growth. I’m all about getting things done—efficiently and effectively. I bring a positive, upbeat attitude to every project, and I’m committed to building great relationships. Whether it’s IT guidance, leading a Team, Project Management, or hands on implementation I bring the experience and dedication needed to deliver results. With 7 years in SaaS and 15 years in MSP, I’m well-versed in the demands of today’s tech landscape. I don’t nickel and dime; I do what it takes to make my clients happy and get results. Let’s collaborate and make things happen!

Linux System Administration
VPN
Microsoft Outlook
Helpdesk
Cloud Engineering Consultation
Network Administration
VMware ESX Server
Network Equipment
Cloud Computing
Online Chat Support
Phone Support
cPanel
Microsoft Endpoint Manager
Microsoft Azure
System Administration
$75 hourly
Mark D.
- 4.9/5
- (13 jobs)
Drupal Development since 2005 16+ years experience developing on the Drupal platform on a full-time enterprise level basis.. Advanced experience and knowledge of all aspects of Drupal CMS. Drupal 5, 6, 7 ,8, 9 and 10. Advanced knowledge of Drupal Full Stack development including high performance, high availability scaled environments. * Drupal 7 to Drupal 10 Upgrades * Drupal 8 to Drupal 10 Upgrades * Drupal 9 to Drupal 10 Upgrades * Drupal Commerce Development * Stripe - Square - Authorize.Net * CIVICRM Development * Custom Theming * Responsive Layouts/CSS * Custom Module Development * Education & Training Systems * Project Management Systems * Camtasia Studio * JS/jQuery * CSS3/HTML5 * Migrations/Upgrades * Performance Scaling & Server Tuning * SEO Optimization * Wordpress * Linux-Apache2 Admin Over 100 successful Drupal deployments Enterprise Hosting Solutions

Linux System Administration
Project Management
Project Planning
Server Administration
Hosting Setup
Data Migration
CiviCRM
Content Management
Front-End Development
Copywriting
Ecommerce Website Development
Search Engine Optimization
WordPress
Drupal
NGINX
$150 hourly
James O.
- 5.0/5
- (155 jobs)
Email Deliverability Superhero: Land in Inboxes, Not Spam Folders or Not Delivered Tired of emails bouncing like rogue asteroids? 😩 🚀 Drowning in MX, PTR, BIMI, SPF, DKIM, and DMARC jargon? 🤯📑 Fear not, fellow marketer! Your inbox salvation has arrived! 💪🛡️ I'm your Email Deliverability Expert, here to guide your messages through the treacherous spam gauntlet and straight into your audience's eager eyes. 🎯 With 28 years of experience in email evolution, server configurations, DNS wizardry, and blacklist banishing, I'll: ** Diagnose and fix your email delivery woes like a ninja doctor. 🥷🏥 ** Craft bulletproof DNS records that authenticate your domain like Fort Knox. 🏰🔐 ** Eradicate spammy content like Thanos with the Infinity Gauntlet (of email best practices). 🙅‍♀️🗑️ ** Monitor blacklists and reputation like a hawk, keeping your email squeaky clean. 🦅🕵️‍♀️ ** No more sleepless nights spent wondering if your emails ever reached their destination. 😴🚫 Let me be your email delivery Guardian Angel, ensuring your messages land where they belong: in inboxes, not spam folders. 🙏😇 Ready to finally conquer the email wasteland? 🚀 Hire me, and let's watch your email open rates skyrocket like a SpaceX launch! 💥📈 Bonus: I speak fluent MX, PTR, SPF, DKIM, DMARC, and BIMI. Let's geek out! 🤓✨ Don't wait! Contact me today and let's make your email marketing dreams a reality. 💫📧 P.S. Don't forget to check out reviews from my happy clients here on Upwork, for proof of my email deliverability magic! 🪄

Linux System Administration
AngularJS
ExpressJS
MongoDB
NestJS
Node.js
API Integration
Python
Business Consulting
SendGrid
Business Development
System Administration
Email Deliverability
$65 hourly
Richard S.
- 5.0/5
- (49 jobs)
Media Giant Design is a professional web and software development firm based in Port Saint Lucie, FL. We have been in business since 2009, and proudly deliver innovative solutions for our clients that are professional, cost-effective and completed on time. We pride ourselves on being able to build anything... hence our slogan : ?Your Vision... Our Expertise!?. At Media Giant, we make even the toughest tasks possible, we think outside the box, and make ideas a reality. We have provided services to startups through Fortune 500 companies, and our reputation and repeat business rates are second to none. If you need your job done right, on time and on budget you want us!

Linux System Administration
API Development
Twitter/X Bootstrap
MySQL Programming
MySQL
AngularJS
Magento
HTML5
PHP
WordPress
$60 hourly
Lazar D.
- 4.5/5
- (37 jobs)
I am a seasoned web/client programmer boasting more than 8 years of extensive experience in multi-platform development. Throughout my career, I have predominantly engaged in 3-6 month contracts, specializing in the construction and maintenance of databases, the development of web engines for efficient data requests, and the deployment of secure, high-speed, and dependable client applications. My expertise is anchored in my proficiency with programming languages, particularly C/C++ and Python. I have honed my skills in these languages and possess an in-depth understanding of their modules and frameworks. This comprehensive knowledge enables me to deliver robust and innovative solutions in every project I undertake.

Linux System Administration
Bash Programming
Data Scraping
Data Extraction
Google Cloud Platform
API Integration
MySQL
C++
SQLite
Django
Python
$60 hourly
Cris G.
- 5.0/5
- (1 job)
AWS/DevOps expert skilled in cloud migration, automation, and security, delivering end-to-end solutions on AWS. My expertise includes: - AWS Architecture & Migration: Designing scalable infrastructure, migrating applications to AWS, and optimizing cloud environments. - DevOps & Automation: CI/CD pipelines, Infrastructure as Code (IaC), automation of infrastructure and application deployments. - Security & Compliance: Implementing security best practices, ensuring compliance with standards like HIPAA and PCI, and providing ransomware prevention. - Site Reliability Engineering (SRE): Monitoring, alerting, and ensuring high availability and reliability of cloud systems. - AI & Business Intelligence: Integrating AI applications, chatbot design, and data visualization solutions. I focus on delivering client centered results by providing scalable, secure, and efficient cloud solutions. My experience includes cloud strategy and security assessments, disaster recovery, and IT strategy and consultancy. I am committed to clear communication, collaboration, and delivering projects that meet business needs.

Linux System Administration
DevOps
System Administration
Private Cloud
Amazon EC2
Virtualization
WordPress
NGINX
Python
Amazon Web Services
MySQL
$50 hourly
Armando O.
- 5.0/5
- (40 jobs)
15+ years of experience in the following fields/technologies: * Linux Admin (Redhat, Centos, Fedora, SUSE and Ubuntu): - WHM and CPanel - Ansible - Docker containers - Terraform - Bash scripting - Network and routing configuration - Elastix and FreePBX - FTP Servers - Squid Proxy Server - Apache / Nginx reverse proxy configuration / tuning. - Setting up IPTables for Firewall and NAT purposes - DHCP Servers - DNS Servers - LAMP / LEMP tuning (installing, upgrading/downgrading packages / frameworks) - VNC server - Deployment of SSL web server certificates with up to date encryption protocols and parameters. * Microsoft Windows Server Admin: - Setup / Administration of Azure Cloud Services - Network and routing configuration - Active Directory - Microsoft DHCP - Microsoft DNS server - Remote Desktop and/or Terminal Server, licensing, setup and hardening. - Windows Firewall * Network Admin: - IPv4 - UTM and firewall administration - Administration / Tuning of Endian Firewall, Sophos, Cyberoam, Cisco. - VLAN and switching configuration - Perimetral Security - NAT - VPNs: Point to Site, Site to Site Monitoring: - Zabbix implementation (build custom item keys, zabbix trappers, reporting and dashboards) * Developer: - Java EE programming. MVC model. Web and desktop development. JSP. Hibernate. - LAMP developer. - HTML, Javascript, JQuery - Git and Gitflow implementation - Bitbucket implementation and administrator (Project branches, forking, merging, pull requests) * Cloud Services: - Google Cloud Platform: Compute, Rest API - AWS: EC2, Lightsail, Rest API - Vultr - Digital Ocean - Linode * OpenERP / Odoo: - Installation and migration services (Windows and Linux) - Functional consultant * Mail Servers: - Kerio Connect. Installation and migration services (Windows and Linux) - Postfix with Mysql, dovecot and spam assassin. I speak 2 languages: Spanish (Native) and English (Fluent). Great response times, 1 hour or less 24x7. I always go for the Extra-Mile. ITIL Foundations V3 2011 certified engineer.

Linux System Administration
Asterisk
DevOps
LAMP Administration
Mail Server Implementation
Jakarta Server Pages
Windows Administration
Network Security
Microsoft Active Directory
Windows Server
$80 hourly
Travis G.
- 5.0/5
- (5 jobs)
Hello, my name is Travis, and I have over ten years of experience using my advanced IT knowledge and creative marketing strategies to solve complex problems. My expertise in technology and marketing enables me to offer a unique combination of high-level administration, data analysis, lead generation tactics, e-commerce strategy, and advanced technical support. This well-traveled set of skills helps me to deliver innovative and effective solutions for unique and intricate challenges. I am an expert in Meta (Facebook Ads), Google Ads, Google Analytics, Microsoft Ads, LinkedIn Ads, Merchant Center, Google Tag Manager, Google Sheets, and Looker Studio. My experience extends to JavaScript/HTML/CSS, .NET (C# and VB), Python, MySQL, SQL, WordPress, and API development. My goal on Upwork.com is to establish long-term relationships and build a strong reputation by delivering customer requirements on time and as specified.

Linux System Administration
WordPress Bug Fix
LinkedIn Marketing
Microsoft Ads
Google Analytics 4
Google Ads
Facebook Ads Manager
Network Administration
Windows Administration
Microsoft Exchange Server
Google Analytics
CSS
HTML5
JavaScript
.NET Framework
$75 hourly
Anton B.
- 5.0/5
- (79 jobs)
I specialize in e-learning LMS (Learning Management Systems), e-commerce websites, search engine optimization, website development and optimization. Have a lot of expertise in building network infrastructure for small and medium-sized companies - deploying and optimizing servers/AWS/Azure/Google Cloud instances for Wordpress, Magento, Odoo and other web applications. Expertise in integration development (Mulesoft Certified), Microsoft products (Azure, Office365, AD, Server, MSSQL, IIS). 10+ years of experience with Search Engine Optimization (SEO), SEM, Google products - Google Ads, Merchants, MyBusiness, Maps (Certified Google Partner), Certified Microsoft Ads Expert (Bing Ads). 15+ years in Web Development, 12+ years with Wordpress, 10+ years building Learndash and Moodle LMS websites, including big projects with 30000+ students. Worked with clients from different industries and countries, 30+ LMS projects completed in the past 5 years.

Linux System Administration
Business with 100-999 Employees
Bing Ads
Customer Relationship Management
Search Engine Marketing
Server Administration
Performance Optimization
PHP
NGINX
AWS Server Migration
LMS Plugin
Elearning LMS Consulting
Web Design
Mulesoft
LearnDash
Learning Management System
Shareable Content Object Reference Model
WordPress
Search Engine Optimization
$65 hourly
Hendrik F.
- 5.0/5
- (7 jobs)
*LONG TERM PROJECTS PREFERED* I am adept at implementing and maintaining complex, high-performance systems and have a deep understanding of how to create and manage Linux distributions. Furthermore, I possess a strong ability to work in a diverse technical and multicultural environment. Moreover, I have a proven record of working with other departments and identifying individual needs to build and/or managing Linux environment.

Linux System Administration
System Monitoring
System Administration
System Maintenance
System Configuration
System Testing
Red Hat Enterprise Linux
Red Hat Administration
Linux
$32 hourly
Gizmo W.
- 0.0/5
- (0 jobs)
I am an IT Administrator and Technical Support specialist. My responsibilities include the security, upkeep, configuration and reliable operation of networks, servers, workstations while protecting valuable data. I follow IT Governance Policies and Procedures as well as of your policies and procedures by delegating the authority of your IT infrastructure. I provide Applications/Data Management, Data Center Operations, End-User Computing Service Desk, Network Services, Vendor Relationship Management as well as additional solutions and support options for your challenges. Abilities include the same type of services that you would see with a Managed Service Provider plus additional resources and "live" support.

Linux System Administration
Network Design
Microsoft Teams
Microsoft Exchange Online
Firewall
Network Administration
CloudLinux
cPanel
Office 365
Windows Server
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