Hire the best Linux System Administrators in Chicago, IL

Check out Linux System Administrators in Chicago, IL with the skills you need for your next job.
  • $85 hourly
    Client-facing technologist with 25+ years of experience in program leadership, solution architecture, and innovation. Specializing in scalable, cloud-based implementations with an agile mindset, I have extensive expertise in Pega design and delivery, dating back to 1991. As a Certified Pega Professional (CSSA, CLSA Part 1, CPDC, CPDS), I help organizations leverage Pega software, microservices, and AI-driven decisioning to enhance business operations across healthcare, life sciences, financial services, and the public sector. I have led enterprise-wide digital transformations for Fortune 500 companies and government agencies, delivering AI-powered customer engagement, sales automation, and case management solutions. Adept at managing cross-functional teams, optimizing system performance, and driving innovative use cases, I ensure that technology aligns with business goals to maximize impact. **Core Competencies:** ✔ Solution Architecture ✔ Pega Platform (on premise or PegaCloud ✔ Appian ✔ Mendix ✔ Bubble ✔ AI-Powered Decisioning & Pega CDH ✔ Cloud-Based Business Solutions ✔ Microservices & Process Automation ✔ Scalable System Design & Integration ✔ Mentoring & Technical Leadership
    Featured Skill Linux System Administration
    Low Code & RAD Software
    Data Modeling
    Solution Architecture
    RESTful Architecture
    Pega PRPC
    IBM WebSphere
    Apache Tomcat
    SOAP
    Selenium WebDriver
    SQL
    Python
    PostgreSQL
  • $85 hourly
    I'm a self-motivated professional DevOps Engineer with 5+ years of Software Development experience. My roles have included: Site Reliability Engineer System Administrator DevOps Engineer Just ping me, and I'll be happy to support you to the best of my knowledge. I will manage AWS Resources - EC2 Instances - Route 53 - S3 and Glacier Storage - Security Groups - Cloud Front - Amazon Certificate Manager - IAM Roles - RDS - ELB - VPC And Many more
    Featured Skill Linux System Administration
    DevOps
    Elasticsearch
    Amazon Virtual Private Cloud
    Amazon EC2
    Cloud Computing
    CI/CD
    Cloudflare
    Amazon ECS
    Amazon Web Services
    Infrastructure as Code
    System Administration
    AWS CloudFormation
    AWS Application
    SaltStack
    Puppet Administration
  • $50 hourly
    I am a freelancer with good experience and knowledge in CSS, HTML, PHP, MySQL, Python, Bash Scripting and Rest - Json APIs. I am also Cisco CCENT and CCNA certified and an avid Linux user. The platform that I enjoy using the most and build the most business solutions is Linux and occasionally Windows. I am fluent in English. I help businesses reduce operational costs with custom software solutions and and automated workflows. Desktop application development is not out of my league and one of my best projects is enjoying constant downloads every day. The project name is ControlBoard and integrates my camera control solution with the well known Wirecast streaming app to help video producers and directors save money by reducing their crews numbers. Because of the above project i gained a lot of experience with video camera control protocols and streaming technologies like dash and adaptive bit-rate http live streaming and adaptive bit-rate on demand.
    Featured Skill Linux System Administration
    Wirecast
    WordPress Development
    WordPress Plugin
    Bash Programming
    RESTful API
    PyQt
    JSON API
    PHP
    Database Management
    Serial Port Interfacing
    OpenCV
    Network Security
    MySQL
    Python
  • $30 hourly
    Network support engineer Web client-server solutions Selenium web scraping, content testing Back and front ends web applications Ajax, Perl CGI, JavaScript, jQuery, mod_perl, rrdtools MySQL design and management. Web interfaces to manage SQL databases (AJAX+JavaScript+Perl back end) Apache and Squid administration. Network automated monitoring tools development via SNMP or telnet, SSH Linux, FreeBSD management and support. Network protocol troubleshooting PIM, OSPF, TCP/IP with Nagios, Wireshark, Zabbix, Tcpdump, Multicast. Device management and remote development via CLI Automated third-party software testing, web application testing (Selenium), network equipment functionality testing Linux OS, FreeBSD, Linux/FreeBSD networking, netfilter, linux router/firewall, iptables, ipfw. Linux (OpenSUSE, Fedora, Debian, Ubuntu), FreeBSD supporting and maintenance. Monitoring via SNMP and troubleshooting IP network equipment. Virtual servers installation and management (Windows/Unix) on Vmware and VirtualBox Configuration backups, various traps/notification collection from UPS, Cisco, Alcatel-Lucent, TACACS Authentication
    Featured Skill Linux System Administration
    Automation
    Selenium
    Perl Catalyst
    Unix System Administration
    SNMP
    Network Administration
    SQL
    Perl
    MySQL
  • $50 hourly
    I have 10 years of experience in DevOps and Systems Engineering including cloud systems. I am a US based systems expert who can offer expertise in troubleshooting as well as new architecture.
    Featured Skill Linux System Administration
    Puppet Administration
    JavaScript
    Jenkins
    CSS
    Elasticsearch
    HTML
    DevOps
    Service Cloud Development
    Python
  • $150 hourly
    As a seasoned Principal Cloud Architect with a deep specialization in cloud automation, I bring over a decade of experience in designing, implementing, and optimizing cloud infrastructures that align with both technical and financial objectives. My expertise spans across major cloud platforms like AWS and GCP, where I have successfully led large-scale cloud migrations, developed robust CI/CD pipelines, and automated complex workflows. My technical arsenal includes Kubernetes, ArgoCD, and Terraform, enabling me to build scalable, resilient, and efficient cloud environments. Fluent in bash, PowerShell, and Python, I excel in automating cloud operations, ensuring seamless deployment processes, and maintaining high standards of infrastructure as code. I am passionate about bridging the gap between cloud technology and financial management, ensuring that my solutions not only meet performance requirements but are also cost-effective and sustainable. Whether you’re looking to migrate to the cloud, optimize your current setup, or implement advanced CI/CD practices, I’m here to deliver results that exceed expectations. Key Skills: Cloud Platforms: AWS, GCP, Azure, DigitalOcean Cloud Architecture & Design: Multi-cloud, Hybrid Cloud, Microservices, Serverless FinOps: Cloud cost management, optimization, and financial governance Container Orchestration: Kubernetes, Docker, OpenShift Infrastructure as Code: Terraform, Ansible CI/CD Pipelines: ArgoCD, Jenkins, GitLab CI/CD, Github Actions Automation: Scripting in bash, PowerShell, Python Cloud Migrations: Strategy, execution, and optimization Security & Compliance: IAM, VPC design, encryption, policy enforcement What I Offer: FinOps Strategies: Develop and implement financial operations strategies to optimize cloud spending and improve ROI. Cloud Architecture: Design and deploy scalable, secure, and cost-efficient cloud solutions tailored to your business needs. CI/CD & Automation: Build and maintain automated CI/CD pipelines to streamline your development and deployment processes. Cloud Migrations: Seamless migration of on-premise applications to the cloud, with minimal downtime and maximum efficiency. Kubernetes Mastery: Expert in Kubernetes setup, management, and optimization for containerized applications. Cross-Platform Expertise: Extensive experience with both AWS and GCP, ensuring the best tools and practices are applied. Let’s Work Together: If you’re seeking a cloud architect who not only understands the technical landscape but also how to optimize cloud resources for financial efficiency, let’s connect. I’m dedicated to delivering top-tier cloud solutions that drive business success. Rates: Flexible and negotiable based on project scope and complexity. Contact me to discuss your specific needs. Availability: Open to both short-term and long-term projects, remote or on-site. Let’s take your cloud strategy to the next level!
    Featured Skill Linux System Administration
    Microsoft Hyper-V Server
    VMware Administration
    Microsoft Exchange Server
    Ruby on Rails
    VPN
    Data Backup
    Data Center Operations
    Windows 7 Administration
    NetSuite Administration
    LAMP Administration
    Network Administration
    Juniper
    Microsoft SQL Server Administration
    Junos OS
    Management Consulting
    Data Lake
    Data Engineering
    SaaS
    GitHub
    Ansible
    Terraform
    Generative AI
    DevOps Engineering
    Apache Spark
    Data Warehousing & ETL Software
    LLM Prompt Engineering
    Google Cloud Platform
    Amazon Web Services
    Kubernetes
  • $60 hourly
    - Installation of Application and WebServers - Integration of Application and WebServers - SSL certificate installation - Application Deployment - Server Patching an Ifix installation - Migration of Application and Webservers from lower version to higher versions OR from one server to another server. - Environment monitoring setup using tools OR scripts. - Environment Automation using tools and scripts (shell, power shell, etc) - Writing Run-Books for support team - on-call support.
    Featured Skill Linux System Administration
    WildFly
    Oracle WebLogic Server
    Apache HTTP Server
    Bash Programming
    IBM WebSphere
    Automation
    Docker
    Apache Tomcat
  • $100 hourly
    Hello, I'm Kenneth Litzsey, a highly skilled and independent IT Professional dedicated to providing exceptional support to end users, home-based, and micro small business clients. I excel in managing computer purchases, networking, security, and data backup to boost efficiency and productivity. With a strong background in software and hardware systems, I have an unwavering commitment to continuous learning. My expertise includes: IT Support: Troubleshooting and resolving software and hardware issues for end users. On-site support technician for remote support teams in an office space. Performing repairs, replacements, and diagnoses of computer hardware and office technology. Installing technology in office spaces and assembling workstations. Testing and managing network connections. Operating Systems and Software: Proficiency in all Microsoft Windows, SunOS, various Linux distributions, and FreeBSD versions. Skillful use of Microsoft Office, Google Workspace, and Microsoft 365. I'm here to assist you with all your IT needs and challenges. Let's collaborate to make technology work for you."
    Featured Skill Linux System Administration
    Computer Maintenance
    Computer Network
    Computer Hardware
    Windows 10 Administration
    Information Technology
  • $30 hourly
    Experienced IT Support, Cybersecurity & Network Engineer, and AWS Solutions Architect with 10+ years in systems administration, network analysis, and IT project management. Certified in AWS Solutions Architecture and CompTIA Security+, I specialize in optimizing IT infrastructure, improving network performance, and ensuring data security. Skilled in cloud solutions, routing and switching, network security, and compliance, I offer expertise in vendor negotiations, software configuration, and cost-effective technical solutions. Proficient with technologies including AWS, Azure, Cisco, VMware, Microsoft 365, and POS systems. Known for strong troubleshooting skills, leadership in technical problem-solving, and a focus on operational efficiency.
    Featured Skill Linux System Administration
    Cisco CallManager
    Citrix
    iPad
    iPhone
    Android
    Microsoft 365 Copilot
    System Security
    VoIP
    Network Administration
    Microsoft Active Directory
    Computer Hardware Installation
    MacBook
    Office 365
    Structured Cabling
    Desktop & Laptop Support
  • $25 hourly
    Cybersecurity professional with an M.S. in Cybersecurity, specializing in EPP, EDR, App Control, and SIEM. With a focus on incident response and vulnerability management, I have led diverse security projects, from deploying EDR solutions to crafting incident response strategies. My experience includes consulting roles in the US and internationally, where I've driven initiatives to secure and optimize organizational security infrastructures. A proven track record in enhancing incident preparedness and response capabilities underlines my commitment to safeguarding against evolving cybersecurity threats.
    Featured Skill Linux System Administration
    McAfee VirusScan
    Firewall
    Information Security
    Computing & Networking
    System Security
    Cloud Computing
    Network Engineering
    Border Gateway Protocol
    McAfee ePolicy Orchestrator
    Cisco Router
    Microsoft Active Directory
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