Hire the best Linux System Administrators in Warsaw, PL

Check out Linux System Administrators in Warsaw, PL with the skills you need for your next job.
  • $99 hourly
    I am a professional freelancer with THIRD PARTY LIABILITY INSURANCE for over two and a half million dollars, so you are in safe hands. I am Microsoft Certified Trainer, Office 365, GCP, AWS, and Azure Expert. Honored as Microsoft Most Valuable Professional in Azure area. I cover architecting, security, administrating, and migration of all three major clouds – Azure, AWS, and GCP. Apart from the main area of Cloud expert in the field of infrastructure servers Windows Server 2003-2016, Microsoft Active Directory, Hyper-V Private Cloud, IIS, System Center, SQL. Private Cloud, System Center, Hyper-V, Open Stack Expert, and all Microsoft products Expert. Linux Server administrator. I am the holder of certificates: • pSeries AIX UNIX Support • First Certificate in English • PRINCE2 Practitioner • Microsoft Certified: Azure Administrator Associate • Microsoft® Certified Solutions Expert: Cloud Platform and Infrastructure • Microsoft® Certified Solutions Associate: Cloud Platform • Microsoft® Certified Solutions Expert: Productivity • Microsoft® Certified Solutions Expert: Data Management and Analytics • Microsoft® Certified Solutions Associate: Windows Server 2016 • Microsoft® Certified Solutions Associate: Windows 10 • Microsoft Specialist: Configuring Windows Devices • Microsoft Specialist: Architecting Microsoft Azure Solutions • Microsoft Certified Solutions Developer: Azure Solutions Architect • Microsoft Specialist: Developing Microsoft Azure Solutions • Microsoft® Certified Solutions Expert: Data Platform • Microsoft Specialist: Implementing Microsoft Azure Infrastructure Solutions • Microsoft® Certified Solutions Associate: Office 365 • Microsoft® Certified Solutions Expert: Private Cloud • Microsoft® Certified Solutions Expert: Messaging • Microsoft® Certified Solutions Associate: SQL Server 2012/2014 • Microsoft® Certified Solutions Associate: Windows Server 2012 • Microsoft® Certified Solutions Expert: Server Infrastructure • Microsoft® Certified IT Professional: Enterprise Administrator on Windows Server 2008 • Microsoft® Certified Solutions Associate: Windows Server 2008 • Microsoft® Certified Technology Specialist: Windows Server 2008 Applications • Microsoft® Certified Technology Specialist: Windows Server 2008 Network • Microsoft® Certified Technology Specialist: Windows Server 2008 Active Directory • Microsoft® Certified Technology Specialist: Microsoft Exchange Server 2010
    vsuc_fltilesrefresh_TrophyIcon Linux System Administration
    Database Administration
    Disaster Recovery
    Amazon ECS
    Alexa Skills Kit
    Azure App Service
    Microsoft Azure SQL Database
    AWS Lambda
    Windows Server
    Microsoft Exchange Server
    Microsoft Azure
  • $55 hourly
    I'm a Senior Software Engineer with over 9 years of experience, I have gained extensive expertise in designing and implementing high-quality software solutions that meet the client's business requirements. Throughout my career I was working on multiple projects, here I'm sharing three of the most challenging ones: At UBS (a Swiss bank with a $60bln capitalization), I was a Senior Java Developer, and I was responsible for developing a regulatory reporting engine to handle dozens of millions of transactions the bank processes daily. This project was part of implementing their new business requirements around designing a project on an entirely new event-driven technological stack. There were several main challenges that I faced when designing and implementing the system: 1. System should handle millions of transactions per day that have to be reported in a timely manner. 2. System should be tolerant to hardware failures, including the loss of the entire data center. 3. Around 40 developers should be able to work on the project productively with minimal conflicts. 4. Correctness of reporting is essential – every introduced bug can have disastrous consequences – the system should have checks in place that prevent buggy code from being deployed to production. 5. Transaction reporting domain is very complicated, and business requirements are frequently changing. System design should be flexible enough to adjust to the required changes. 6. There are multiple stakeholders involved; each has different requirements for the system. At Denario, a fintech startup, I worked as a Senior Java Developer, assuming full responsibility for designing, developing, deploying, and maintaining the application and DevOps tasks. The main challenges in the projects were: 1. Developing a high-performance system 2. Integrating with multiple Open Banking providers 3. Ensuring the platform was scalable, fault-tolerant, and highly available 4. Ensuring the platform was secure and user data was protected 5. Collaborating with the product team to design features that met users' needs 6. Maintaining the platform and fixing issues that arose in production 7. Assuming full responsibility for the end-to-end software development process At the Ministry of National Defense of Poland, I was a Team Leader and Technical Leader responsible for providing e-learning solutions for hundreds of thousands of users. My role involved leading a team of developers, analysts, and testers to develop and maintain a learning management system. I have experience working with a variety of technologies, including: Java, Spring Framework, Spring Boot, Hibernate, JUnit, Spock, Apache Flink, Kafka, PostgreSQL DB, Oracle SQL DB, Elasticsearch, Microsoft Azure, Kubernetes, AWS I am passionate about software development and strive to stay up-to-date with the latest trends and technologies. I am dedicated to delivering high-quality solutions and exceeding client expectations.
    vsuc_fltilesrefresh_TrophyIcon Linux System Administration
    API
    Spock
    Java
    Spring Framework
    JUnit
    Unit Testing
    Linux
    Apache Kafka
    SQL
    Bash Programming
    Spring Boot
    Bash
  • $40 hourly
    I am a skilled software developer with expertise in a range of areas, including machine learning, desktop application, web application and embedded systems. Here are some of the things I do best: ☑️ Computer Vision and Machine Learning: I have experience developing software that can analyze and interpret visual data, including images and video. I have worked on projects involving object detection, facial recognition and segmentation, and image classification. ☑️ Desktop Applications: I have developed a number of desktop applications for Windows and Linux platforms, using technologies such as C++, Qt, and WPF. ☑️ Web API Development and Front-End Web Applications: I have built RESTful APIs and front-end web applications using technologies such as Node.js, Express, React, and Angular. ☑️ Could API and Service Development and integration: I have experience developing cloud-based APIs and services using cloud platforms such as AWS, Azure, and Google Cloud. ☑️ Embedded Software Development: I have developed embedded software for a variety of platforms, including ARM, Nvidia-Jetson, Lockchip, Cortex, and ESP32, Autopilot, Pixhawk, USV, QGC, etc. I have experience working with real-time operating systems, device drivers, and low-level hardware interfaces. I am passionate about using my skills to solve complex problems and create innovative solutions. I am always eager to learn new technologies and take on new challenges.
    vsuc_fltilesrefresh_TrophyIcon Linux System Administration
    Natural Language Processing
    Image Processing Software
    Deep Learning
    Computer Vision Software
    Front-End Development
    Docker Compose
    Embedded Application
    DevOps Engineering
    Web & Mobile Design Consultation
    Web Application Development
    Web API
    Algorithm Development
    Machine Learning
    Computer Science
  • $35 hourly
    I am a Senior Software Engineer with a passion for exploring and integrating emerging technologies into innovative projects. As a Senior Full-Stack Developer, I have a proven track record in building dynamic web applications, developing successful algorithms, and creating predictive models across various industries. My expertise in machine learning and algorithm development enables me to tackle real-world business challenges effectively. I strive to develop highly responsive, efficient, and optimized services that deliver exceptional performance. ☆ KEY QUALIFICATIONS ☆ * Developed Full Stack Web Applications which processed, analyzed, and rendered data visually. * Worked as a Backend developer, Frontend developer and quality assurance testers. Extensive experience with Laravel and Node.js as backends, and React frontends. * Planned, wrote, and debugged web applications and software with complete accuracy. * Managed time-sensitive updates, including content changes and database upgrades. * Used various ideas from distributed computing, large-scale design, real-time data processing, data storage, ML, and AI to solve challenging dataset problems. * Managed, optimized, and updated PHP databases as necessary. * Developed app integration with REST / SOAP and other APIs for Google Maps, social media logins, payment processors, and other services. * Vast experience in WordPress, Shopify, Square Space, Big Commerce, WooCommerce, PrestaShop and a lot more other applications.
    vsuc_fltilesrefresh_TrophyIcon Linux System Administration
    API Integration
    NGINX
    Amazon Web Services
    Google Cloud Platform Administration
    Angular 10
    React
    TypeScript
    NestJS
    JavaScript
    Node.js
    Python
    Linux
    DevOps
  • $55 hourly
    I am working: - 20+ years on IT - 10+ years on AWS Cloud projects I am a team leader of AWS Advanced Consulting in multiple projects. Self-starter who applies individual initiative to complete the job on time and provides operational and automation support with a 24/7 technical response team staffed by AWS.
    vsuc_fltilesrefresh_TrophyIcon Linux System Administration
    Docker
    Ansible
    Terraform
    PHP
    CI/CD
    Kubernetes
    Web Service
    MySQL
    DevOps
    Solution Architecture
    Python
    System Administration
    Linux
    Amazon Web Services
  • $60 hourly
    Drive Your Business Forward with Expert AWS and AI Solutions! I specialize in end-to-end cloud services that empower businesses globally—from startups to enterprises—across industries like eCommerce, finance, healthcare, gaming, media, and SaaS. My expertise lies in building and optimizing AWS infrastructures that are secure, scalable, stable, and designed to reduce operational costs while increasing profitability. Maximize ROI with Scalable, Secure, and Cost-Efficient Cloud Architectures I architect and implement cloud solutions that deliver tangible business outcomes. My focus is on helping clients achieve up to 75% savings on AWS infrastructure, boosting productivity by 20-50% through AI integration, and ensuring 99.99% uptime for critical applications. With my support, businesses experience enhanced security, performance, and scalability—allowing them to focus on growth rather than infrastructure challenges. Unlock the Power of AI and Cloud with Tailored Solutions With deep expertise in AI, I enable clients to deploy and scale AI applications effectively. Whether setting up AI solutions with Kubernetes and GPUs or leveraging AWS Bedrock for advanced AI models like Llama and Claude, I help businesses harness AI to drive innovation and efficiency. My Value Proposition: • Cut Operational Costs: Achieve up to 75% cost savings on AWS infrastructure. • Boost Productivity: Implement AI solutions that enhance business operations by 20-50%. • Enhance Performance: Increase website speeds by 43% and ensure 99.99% uptime. • Ensure Security: Develop secure, PCI DSS/HIPAA/NIST compliant systems with zero breaches. • Scale with Confidence: Manage surges in customer traffic with infrastructures built to handle 50x load during peak periods. Services I Provide: • AWS DevOps & Infrastructure Support • AI Solution Architecture & Optimization • Kubernetes Consulting & Support • AWS Migrations & Custom Infrastructure Design • AWS Security & Compliance Solutions Why Clients Choose Me: Clients partner with me for the tangible results I deliver. I focus on minimizing costs, enhancing security, and driving significant improvements in performance and productivity. Whether you need to scale operations, secure your cloud environment, or deploy cutting-edge AI applications, I provide the expertise to make it happen—efficiently and effectively. Certifications: • AWS Certified Solutions Architect • AWS Certified DevOps Professional • AWS Certified AI Practitioner • AWS Certified Security Specialist • AWS Certified Advanced Networking Specialist • AWS Certified SysOps Administrator Review a few cases of my clients: Astrid. Human communication powered by AI. In this project, we successfully implemented a HuggingFace LLM model on a GPU within an Amazon EKS environment. Our approach prioritized both cost-effectiveness and scalability, allowing Astrid to efficiently handle large-scale processing requests while optimizing resource usage. J.Hilburn. Custom-made men’s clothing. We undertook a comprehensive deployment of an advanced AI infrastructure from scratch, integrating AWS Bedrock with the Claude language model, Ollama, and the HuggingFace Embedding Model, all hosted on Amazon EKS. We incorporated Qdrant, a high-performance vector database, to enable efficient storage and retrieval of embeddings, ensuring quick access to data for AI processing. MAKEUP. #1 cosmetics store in Europe. I moved the marketplace to the AWS cloud and currently help them handle 1.5 PB of traffic each month. As for now, the system performs great during x30 traffic spikes during sale seasons, and the website’s uptime is 99.98%. Ubisoft. A famous game producer. I designed and implemented a highly scalable, secure, and cost-effective cloud infrastructure hosted on AWS. As a result, GPG successfully handles 50M+ users daily. The following client review describes my attitude to work and what you can expect from our cooperation: “We are an agency that works with Fortune 500 clients on a daily basis. Alex is one of the most experienced and easy to work with tech freelancers I have worked with in 15+ years. Quick in replies, easy to understand, proactive with his activities, responsible, and extremely attentive to details from day 1. I would highly recommend you, Alex, as a specialist to perform the great result for you.” Feel free to contact me on tasks of any complexity that are related to AWS, cloud security, and DevOps, and I’ll do my best to help you.
    vsuc_fltilesrefresh_TrophyIcon Linux System Administration
    Amazon EC2
    DevOps
    Cloud Security
    CI/CD
    Amazon S3
    Kubernetes
    Terraform
    Amazon ECS
    Vulnerability Assessment
    Cloud Architecture
    AWS CodePipeline
    Amazon RDS
    AWS CloudFront
    Amazon Web Services
  • $35 hourly
    Hello, everyone! My name is Eugene. I have more 15 years experience system/network administrator and 5 years like DevOps I am the administrator of Linux and Windows servers. I do not violate the terms of work, I work with strict observance of requirements. My skills: Cloud provides AWS/GCP/Azure/Digital Ocean Linux Servers Ubuntu/CentOS/Debian/Redhat Windows server 2003,2008,2012,2016,2019 Hypervisors VMware vSphere,XenServer,Hyper-V,ProxMox,OpenVZ,KVM TCP/IP,WAN/LAN,VLAN,WiFi Cisco CCNA,Mikrotik MTCNA MTCRE Web Hosting/Server & website migration IIS/Apache/Nginx Active Directory/GPO/DNS/DHCP CPanel/WHM,Parallels Plesk Microsoft Exchange/Office Server 2007,2010,2013,2016.365 Administrator Linux/Windows Security Check Windows and Linux Servers. Scripting languages: Bash/Python Software Configuration Management: Ansible, Chef, Puppet,Terraform; Software Building Tools: Jenkins, Gitlab-CI; Containerization: Docker, Kubernetes. Version Control Systems: Bitbucket, GitHub, Gitlab, SVN; Backup: Acronis, Veem, Symantec
    vsuc_fltilesrefresh_TrophyIcon Linux System Administration
    Jenkins
    GitLab
    VMware ESX Server
    Docker
    CI/CD
    DevOps
    GitHub
    Terraform
    Windows Administration
    Amazon
    VMWare
    NGINX
    System Administration
    Ubuntu
    Google Cloud Platform
  • $25 hourly
    I've been working in IT sphere since 2010. Official part started in 2012. It was "Junior System Engineer" position in Paritetbank. Then, in 2016, I was invited for work in Payment service as "Senior System Engineer". Since 2020 I’ve been working in Redtrack Technologies Ltd. It was a step to be closer to development and I’ve started deep dive into DevOps methodology. Docker: Docker everywhere. For now, it’s most used technology. It saves time, super scalable and lightweight. I have experience with Docker SWARM (in production) and Kubernetes (not production env). Can support all cycle of creating docker service from Dockerfile to creating service roles with update (rolling update) policies. Virtualization: VmWare ecosystem. VmView, VDS, VmCloudDirector. All in one. Installation, distributing and support. Cloud platforms: AWS. Work with EC2, LB, Route53, S3 etc. CI/CD: I am working with Drone CI. It has many plugins inside and super easy to integrate with GitHub, GitLab and etc. IaaS: Ansible. I chose it and not regret. I am using it for everything: systems updates, contributing, docker deploy. Super powerful tool in chain with Docker. Logging systems: ELK + Loki. Different types of aggregators. I’m using ELK like log collector from docker services (where needs something more than grep) and Loki for simple grepping aggregated logs from distributed systems. OS task automation + integrations: I have been working with large family of OS’s and majority of them had bash inside, for integrations I’m used to using python. I have scriptwriting skills with Bash\Python. Database administration: I have been working with SQL, PL/SQL, CQL and NoSQL. There are MariaDB(MySQL), PostgreDB, Clickhouse, OracleDB, ScyllaDB and MongoDB. Scaling, replication, sharding and backuping of it. Hardware: I was working with hardware too as datacenter engineer. There were compute\networking\storage\ hyperconvergence systems. HPE and Cisco ecosystems. Monitoring systems: Zabbix + Prometheus(+Grafana). I’m used to working with dual monitoring system. Deep analytic shows bottle necks. I’m using Zabbix for hardware monitoring and collecting system metrics. Prometheus + Grafana are super flexible and good for anything – good for services metrics collecting. High loaded systems: I love to work with heavy load products. It gives you opportunity to tune everything hardware\software\scaling. I was working with vast loaded systems and it had 99,99% uptime. Distributed systems: Multi-datacenter engineering. Global wide systems. Latency control. Etc.
    vsuc_fltilesrefresh_TrophyIcon Linux System Administration
    Cluster Computing
    Network Engineering
    CI/CD
    Docker Swarm Mode
    Ansible
    Docker
    NGINX
    Bash
    Server Virtualization
    Linux
  • $35 hourly
    Skilled DevOps Engineer with 8+ years of hands-on experience supporting, automating, and optimizing mission critical deployments, leveraging configuration management, CI/CD, and DevOps processes.
    vsuc_fltilesrefresh_TrophyIcon Linux System Administration
    Prometheus
    Amazon ECS
    Cloudflare
    Snowflake
    SSL
    Data Recovery
    VPN
    Bitbucket
    GitHub
    GitLab
    DevOps
    Kubernetes
    Terraform
    Amazon Web Services
  • $67 hourly
    I’m a DevOps Architect and Kubernetes expert, specializing in cloud-native infrastructure and platform engineering. As the Co-founder of DevBulls and a Platform Kubernetes Engineer at Vitrifi, I’m dedicated to helping businesses optimize their cloud environments, ensuring scalability, security, and high availability. Skilled in Kubernetes, Docker, AWS, Terraform, and more. I can manage your entire DevOps pipeline, from design to deployment. Communication is key for me, so I’ll ensure you’re kept updated every step of the way.
    vsuc_fltilesrefresh_TrophyIcon Linux System Administration
    Golang
    Microservice
    Prometheus
    Grafana
    Vault by HashiCorp
    Bash
    CI/CD
    Ansible
    GitLab
    Load Balancing
    Terraform
    Amazon Web Services
    Docker
    Kubernetes
  • $31 hourly
    Environmental architect and installator for the homepage of one of the banks in Poland. Environmental architect and installator for a homepage of one of the energy providers in Poland. Environmental architect and installator for a educational platform one bank in Poland. Skills: Puppet orchestration, Azure, Docker, K8s, GitLab, Jenkins, Terraform, Git, Bash, Python, Active Directory, LibVirt/QEMU, SQL Server/MySQL/MariaDB/PostgreSQL, ElasticSearch, Icinga/Nagios monitoring, ELK stack, LDAP, basic and complex network services like apache, nginx, haproxy, dns, iptables/nftables/firewalld, iscsi/san, sendmail/postfix, tomcat/jboss application container, Linux Debian, Centos, RedHat, FreeBSD, Windows Server 2003 Certified. Experienced IT specialist with over 15 years of experience in designing and managing complex environments. Expert in solving unusual problems during deployments, architecture design, and solution implementation. Focused on advanced networking, unix systems, cloud technologies, Python automation, and containerization. I possess extensive knowledge in exact sciences, which allows me to take an innovative approach to optimizing performance, high availability, and system security. Working on certification in Azure. Effective communication and tailoring solutions to client needs and capabilities.
    vsuc_fltilesrefresh_TrophyIcon Linux System Administration
    Docker
    CI/CD
    Puppet
    Orchestration
    Solaris Administration
    Microsoft Azure
    Kubernetes
    Python
    Bash Programming
    Architecture
    DevOps
    Network Engineering
    Computing & Networking
    Database Management
  • $22 hourly
    Over eight years experience in website development. I mainly work with Ruby, Ruby on Rails and Drupal CMS project. I'm also skilled in Linux/Apache/MySQL/PosgreSQL setup and maintenance. I specialise in: - Ruby and Ruby on Rails, - CMS (mainly Drupal) development, - Drupal advanced functionality (CCK, Views, Organic Group, Ubercart- including 3.0, Commerce), - Ruby, PHP, MySQL, PostgreSQL, - Web Design, Degree: - Bachelor of Eng., Computer Science (2015) Courses: - GDPR (General Data Protection Regulation), - Cisco Certified Network Associate 2, - Graphic design, - Adobe Flash Advanced. 1. I always meet deadlines, 2. I bid only for jobs that I can handle, 3. I deliver high quality product.
    vsuc_fltilesrefresh_TrophyIcon Linux System Administration
    CSS
    HTML5
    Drupal
    PHP
    Ruby on Rails
    Ruby
    JavaScript
    MySQL
    Web Design
  • $30 hourly
    Advanced full-stack engineer with over 20 years of experience in software and website development, database design, and data management. Skilled project manager, IT entrepreneur, and scientist with a passion for finding innovative solutions * areas of specialization – front-end and back-end development in JavaScript, startups bootstrapping * product management – analysis and development of functionalities and quality-enhancing solutions * project management – planning, supervising and implementation of works – role of Scrum Master and Product Owner Competitive Advantages: * knowledge of current trends – experience of working with internationally recognised projects * proficient in modern JS frameworks – extensive experience working with Vue.js * strong SQL and NoSQL expertise – proficient in MySQL, Postgres and MongoDB * clean code writing – compliant with SOLID principles and industry best practices * rich project portfolio – in such areas as IT&C, biomedical engineering, additive manufacturing * building and management of relationships – ease in establishing relations and clear communication * analytical thinking – awareness of details, proper identification of needs and opportunities My skills: - JavaScript, C#, PHP - node.js, Vue.js, Nuxt.js - Three.js, Tensorflow.js - Database: MySQL, MS SQL, MongoDB - Content management frameworks: Drupal, Wordpress, Symfony - Linux & Windows administration - AWS Cloud (S3, EC2, Amplify)
    vsuc_fltilesrefresh_TrophyIcon Linux System Administration
    Project Management
    Vue.js
    jQuery
    MySQL
    PHP
    C#
    Node.js
    JavaScript
    Three.js
    MongoDB
    Nuxt.js
  • $35 hourly
    I'm experienced PHP developer of database-driven applications required to perform complex information processing, storage, analysis and reporting tasks. I have a good understanding of the human and commercial aspects of web development such as navigability for end users and optimization for search engines. I've experience in designing complex server architecture which must handle big traffic (30K rpm).
    vsuc_fltilesrefresh_TrophyIcon Linux System Administration
    Docker
    PHP
    Symfony 4
    Continuous Integration
    JavaScript
    Amazon Web Services
    MySQL Programming
    webpack
    CSS
  • $45 hourly
    Experienced Web Developer | Laravel, Node.js, Livewire, and System Administration Expert I am a highly skilled web developer with extensive experience in building and managing, internet systems, and large-scale platforms in the European market. My expertise includes a broad range of technologies that enable me to deliver high-quality, scalable, and efficient solutions tailored to your business needs. Core Skills: Backend: PHP, Laravel, MySQL, Redis, Node.js Frontend: HTML, CSS, Bootstrap, Tailwind, JavaScript Frameworks: Laravel, Livewire, Jetstream Systems Administration: Linux server optimization, corporate-level systems administration, environment management WebSocket & Real-time Applications: Expertise in developing real-time systems using Node.js and WebSocket technology. What I Offer: Custom Web Development: Whether you're looking for a custom-built website or a large platform, I can build it from scratch using the latest technologies, ensuring security, performance, and scalability. System Optimization & Administration: With my experience as a Linux systems administrator at a corporate level, I can help you optimize your server environments for better performance and security. Collaboration & Team Leadership: I have a network of experienced developers across various technologies, enabling me to tackle large projects efficiently and collaboratively. Reliable and Long-Term Partnerships: I aim to provide long-term value to my clients by delivering well-architected systems that grow alongside your business. If you're looking for a dependable, detail-oriented developer who can take your project to the next level, let's connect. I'm ready to discuss how I can contribute to your project's success!
    vsuc_fltilesrefresh_TrophyIcon Linux System Administration
    DevOps Engineering
    JavaScript
    Video Stream
    Websockets
    OpenAI API
    CSS 3
    Stripe
    Node.js
    Database
    Linux
    Tailwind CSS
    Tailwind UI
    PHP
    Laravel
  • $15 hourly
    I'm enthusiastic about web development. Skills: HTML, CSS, JavaScript, Python (Django framework). I work in Warsaw as a System Administrator (Linux and Windows systems) and also as a freelancer - make sites on order. I am able to serve servers and hosting. Constantly engaged in self-learning. I like programming and I really love what I do.
    vsuc_fltilesrefresh_TrophyIcon Linux System Administration
    Web Design
    Windows Administration
    Django
    Bash Programming
    HTML
    JavaScript
    CSS
    SQL
    Python
  • $7 hourly
    I started out as a system administrator. Now I work as a Software and Network Engineer. I understand how to make your Linux or Windows better. I solved different problems of different complexity I had various tasks ranging from installing Windows/Linux, setting up and configuring a mail server, modifying Linux distributions to developing my own scripts
    vsuc_fltilesrefresh_TrophyIcon Linux System Administration
    Zabbix
    Dovecot
    VoIP
    Windows Server
    MikroTik
    Zendesk
    OTRS
    Postfix SMTP Server
    JavaScript
    SQL
    HTML
    Ubuntu
    Bash
    CentOS
  • $11 hourly
    I'm not your typical freelancer—I'm a powerhouse in both the world of WordPress website creation, Python developer, DevOps and Linux administration.
    vsuc_fltilesrefresh_TrophyIcon Linux System Administration
    Git
    REST API
    Docker
    Bash
    Python
    AWS CodeDeploy
    AWS CodeBuild
    AWS CloudFront
    AWS Cloud9
    AWS CodePipeline
    Website
    WordPress
    DevOps
    Linux
  • $49 hourly
    I'm a Senior DevOps engineer. I always focus on delivering high quality products in a timely manner and has an excellent communication skills, works well under pressure. Also I'm familiar with many different paradigms and technologies. Skills: - Languages C#, VB.NET, Asp.net, C, C++, QT, Assembly, Python, Javascript - frameworks WPF, WCF, Silverlight, Telerik, Xamarin, .Net Nuke, WinForms, Windows Service, ADO.NET, Entity Frameworks(4.0/6.0) Node.js, Express, Marionette.js Django - Database SQL, MongoDB, MySQL, Oracle, SQLite, PostgreSQL, Redis - Platforms Windows XP/Vista/7/8, MAC OS, Linux, Ubuntu, Amazon Web Services, CentOS, Debian, Apache HTTP Web Server, Nginx, Percona MySQL - Tools Git, SVN, Bitbucket, Heroku, VS2010/2012/2013 - Other Skills Reverse-Engineering, Debugging, Network Programming, Network Security, IDA, OllyDBG, BOT Goals: * To create robust and high quality Software and Web application. * Deliver high quality, reusable code with proper comments. * To provide web development solutions to clients in most competitive rates and minimum amount of time. Way of working: * Available for slack chats, email discussions. * Regular communications to develop a perfect solution in accordance with the clients needs. * Honest and transparent in communication. * Work on a time that is overlapping with client's timezone. My goal is to make clients satisfied with the final product. Thanks for your consideration, Adrian
    vsuc_fltilesrefresh_TrophyIcon Linux System Administration
    Database Administration
    DevOps
    AWS Lambda
    MySQL
    Python
    ASP.NET
    PHP
    Node.js
    C#
  • $15 hourly
    The focus of work - Linux, Hosting, Server, Wordpress, Network systems. I work only on freelance, usually I'm available every day and ready to answer all your questions. My skills: - Linux maintaince/troubleshooting: Debian, CentOS, Ubuntu, RHEL etc - Apache2 + Nginx, Nginx + PHP-fpm, Nginx + PHP-fastcgi, MySQL, Varnish, Memcached. - Linux serverside: iptables, rsync, Bind, OpenVPN, Proxy. - Mail: Exim, Dovecot, Postfix. - Cloud Hosting: DigitalOcean, RackSpace, Amazon (EC2, AWS, S3), Linode, GoDaddy, etc. - Hosting providers : Softlayer, Hetzner,GoDaddy, Bluhost, etc. - Backup/Migration - Hosting panels : Plesk, whm\cPanel, ISP , DirectAdmin, Virtualmin, Vesta, ISPconfig - Virtualization: Xen, KVM, OpenVZ, Proxmox - Monitoring: Zabbix, Munin, Cacti, Nagios - CMS : Wordpress, Joomla and others I prefer long-term clients, but if you want we can discuss any terms. Also if you want to make a major project, you can give me a small test task.
    vsuc_fltilesrefresh_TrophyIcon Linux System Administration
    SSL
    OpenWrt
    Bash
    WordPress
    Network Engineering
    CentOS
    Ubuntu
    VPN
  • Want to browse more freelancers?
    Sign up

How hiring on Upwork works

1. Post a job

Tell us what you need. Provide as many details as possible, but don’t worry about getting it perfect.

2. Talent comes to you

Get qualified proposals within 24 hours, and meet the candidates you’re excited about. Hire as soon as you’re ready.

3. Collaborate easily

Use Upwork to chat or video call, share files, and track project progress right from the app.

4. Payment simplified

Receive invoices and make payments through Upwork. Only pay for work you authorize.

Trusted by

How do I hire a Linux System Administrator near Warsaw, on Upwork?

You can hire a Linux System Administrator near Warsaw, on Upwork in four simple steps:

  • Create a job post tailored to your Linux System Administrator project scope. We’ll walk you through the process step by step.
  • Browse top Linux System Administrator talent on Upwork and invite them to your project.
  • Once the proposals start flowing in, create a shortlist of top Linux System Administrator profiles and interview.
  • Hire the right Linux System Administrator for your project from Upwork, the world’s largest work marketplace.

At Upwork, we believe talent staffing should be easy.

How much does it cost to hire a Linux System Administrator?

Rates charged by Linux System Administrators on Upwork can vary with a number of factors including experience, location, and market conditions. See hourly rates for in-demand skills on Upwork.

Why hire a Linux System Administrator near Warsaw, on Upwork?

As the world’s work marketplace, we connect highly-skilled freelance Linux System Administrators and businesses and help them build trusted, long-term relationships so they can achieve more together. Let us help you build the dream Linux System Administrator team you need to succeed.

Can I hire a Linux System Administrator near Warsaw, within 24 hours on Upwork?

Depending on availability and the quality of your job post, it’s entirely possible to sign up for Upwork and receive Linux System Administrator proposals within 24 hours of posting a job description.