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Monali V.

4.7

272

6.6

96%

Melbourne, Australia

$25 USD per hour

With over 10+ years of experience in e-commerce, specializing in Magento, WordPress, Shopify, PHP, React, React Native, and Node.js, I offer comprehensive expertise in developing and troubleshooting e-commerce solutions. Also I have Experience in designing, building, and delivering enterprise-grade solutions across cloud, backend, and DevOps domains. Proven expertise in Amazon Connect platform design and delivery, including IVR design, intelligent call routing, CRM integrations, and AWS Contact Lens analytics. Hands-on experience with AWS Lambda, EventBridge, CloudWatch, DynamoDB, IAM, and Secrets Manager. Strong background in microservices, event-driven architecture, container orchestration (Docker, Kubernetes, AWS EKS), and CI/CD delivery. Top Skills | E-Commerce Services Highlights:: 1. Custom Web Design( UI/UX – Figma, Photoshop, Adobe XD) 2. Platform Expertise (Magento, Shopify, WordPress) 3. Responsive Development (HTML, CSS, JavaScript) 4. Front-end Frameworks - React, Angular, Vue.js 5. Performance Optimization 6. Backend Scalability (Node.js, Express.js, MySQL, MongoDB) 7. API Integration - RESTful APIs 8. Version Control (Git) 9. Testing and Debugging 10. Cross-Functional Collaboration 11. Data Management 12. Business Leadership 13. Continuous Improvement 14. Networking and Collaboration 15. Challenging Projects ******* Interests******* 1. Exploring new web development tech and frameworks. 2. Participating in hackathons and coding challenges. 3. Contributing to open-source projects and developer communities. 4. Experimenting with creative web design techniques. 5. Actively seeking challenging projects for innovative solutions.

System Administration PHP Adobe Flash Python Internet Marketing

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Sahanaj A.

4.9

6.7

100%

Sydney, Australia

$50 USD per hour

We are a small team concentrating in Digital Solutions on Microsoft Dynamics 365, Salesforce CRM and SAP. We provide industry specific solutions for Manufacturing, Retail, Travel, Finance and logistic . Our Expertise in Microsoft Dynamics 365, Salesforce and SAP Financial Management Sales and Service Management Retail Management Reports and Analytics Operations Management Supply Chain Management Implementation Services –We are highly experienced in Solution Design, business requirement analysis, gap-fit analysis, functional design, prototype development and testing, user training, user acceptance testing, migration and go-live support. Support Services – We offer ongoing support service to ensure smooth running of the system. Our support service covers across all version of Microsoft Dynamics 365. Upgrade Services – We help customers who are using older versions of Microsoft Dynamics NAV and AX upgrade to the latest version of D365 FinOps and Business Central.

System Administration ASP Java Python .NET

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Sijan A.

5.0

5.8

96%

Riverwood, Australia

$25 USD per hour

I am an expert in - AWS including autoscaling, high availability, data transfer - Blockchain infrastructure setup - Moodle hosting, management, administration - Cloud infrastructure - Install and configure Elasticsearch, Kibana, Logstash, Beats, APM - Linux administration (Ubuntu, Redhat, CentOS, SUSE, Kali, Debian, etc.) - Automation using Ansible - MySQL, MySQL Cluster administration, migration, backup/restore - PostgreSQL administration, migration, backup/restore - Cryptography - SSL, certificate, public-key infrastructure, cryptography - Oodo ERP, NextCloud - cPanel, Plesk - Optimise WordPress performance, Joomla, Drupal - Acronis, Splunk, security - FreeRadius (RADIUS) - Ethical hacking And many other stuff in technology. Please reach out to me if you need any help with regard to information technology issues.

System Administration PHP System Admin Linux Excel

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Jaison V.

5.0

1.6

50%

Melbourne, Australia

$25 USD per hour

Highly accomplished Senior-level Full-Stack Developer and R&D Engineer with over 20 years of progressive experience designing, architecting, and deploying enterprise-grade software solutions. 📌 Specialized in modern .NET ecosystems, robust front-end frameworks (Angular, React), and scalable cloud infrastructure (Azure, AWS) across the healthcare, e-commerce, and high-precision laboratory instrumentation sectors. 💪 Proven track record driving complex architectural transitions, executing seamless cloud migrations, and establishing modern distributed systems. Expert in implementing Domain-Driven Design (DDD), Clean Architecture, and CQRS patterns within fast-paced, high-performing engineering teams. Recognized for bridging the gap between cloud-connected web layers and low-latency hardware/firmware interfaces, ensuring full-lifecycle ownership from business requirements to production deployment. 🏗 CORE ARCHITECTURAL FOCUS Distributed Systems: Microservices, event-driven design, serverless architectures, and multi-tenant SaaS. Modern Engineering Practices: SOLID principles, Clean Architecture, Test-Driven Development (TDD). Data & Analytics Integration: Designing strict engineering standards for massive warehouse pipelines (Snowflake) and enterprise relational models. Leadership & Delivery: Facilitating Agile methodologies (Scrum, Kanban, Spotify Scrum Model) and cross-functional team collaboration.

System Administration PHP Java JavaScript XML

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Amir A.

5.0

3.1

100%

Sydney, Australia

$60 USD per hour

Certified Infrastructure Engineer with 10+ years of experience in server, storage, and network solutions. Specialized in Cisco, Dell EMC, HPE, VMware, and Microsoft technologies. Proven track record in designing, implementing, and optimizing enterprise IT infrastructures with a focus on performance, reliability, and customer satisfaction. Available for consulting, deployment, and support projects across Australia and globally.

System Administration Photography Windows Desktop System Admin Data Entry

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Gabriel R.

5.0

2.7

100%

Bondi Junction, Australia

$50 USD per hour

I’m a Solutions Architect with 24+ years of experience designing, implementing, and optimizing IT solutions across Cloud, Infrastructure, Modern Workplace, and AI-powered automation. I help businesses reduce complexity, improve performance, and build scalable systems that actually work in the real world. Over the last few years, I’ve also led several tech-driven entrepreneurial projects (Wear the Groove, Undrfy, Digitanian), giving me a unique blend of technical expertise, product thinking, and business strategy. I understand technology deeply, but I also understand how to translate it into real value for clients.

System Administration Cloud Computing Troubleshooting Business Plans Technical Support

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Darren L.

5.0

1.2

100%

Como, Australia

$25 USD per hour

I build AI-powered applications and full-stack systems that solve real business problems — from intelligent chatbots and automation pipelines to production-ready mobile and web apps. My work spans AI integrations (OpenAI, LangChain), workflow automation (n8n, Zapier), mobile development (React Native, Flutter), and full-stack builds (Next.js, Django, Node.js) with AWS deployments. I've delivered across wellness, AI infrastructure, and e-commerce — working with clients who need a developer that can think through a problem, build the solution, and ship it cleanly. If you need someone who can take a concept from idea to deployed product, let's talk.

PHP Python Linux Mobile App Development Amazon Web Services

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How to hire a great freelance System Administrator

A system administrator is an IT professional who installs, configures, maintains, and secures servers, networks, and operating systems to keep an organization's technology infrastructure running reliably. Hiring a freelance system administrator gives your business on-demand access to senior sysadmin expertise without the overhead of a full-time hire, whether you need ongoing server management, a one-time migration, or emergency troubleshooting.

What a freelance system administrator does

A freelance system administrator (often called a sysadmin) keeps the systems your business runs on healthy, patched, and available. They handle the unglamorous but critical work that prevents downtime, data loss, and security incidents.

Typical responsibilities include provisioning servers, hardening operating systems, managing user accounts and permissions, monitoring uptime, automating routine tasks, and responding to incidents. A skilled sysadmin reduces operational risk and frees your developers and staff to focus on building the product rather than fighting infrastructure fires.

Services and deliverables

System administration covers a broad set of technical services. The exact scope depends on your stack, but common deliverables from a freelance sysadmin include:

Server setup and configuration on Linux distributions (Ubuntu, CentOS, Debian, Red Hat Enterprise Linux) and Windows Server

Cloud infrastructure deployment on AWS, Microsoft Azure, Google Cloud Platform, and DigitalOcean

Web server configuration with Nginx, Apache, and load balancers

Database administration for MySQL, PostgreSQL, MongoDB, and Microsoft SQL Server

Backup and disaster recovery planning, including automated snapshots and offsite replication

Security hardening, firewall configuration (iptables, ufw, pfSense), SSL/TLS certificates, and intrusion detection

Active Directory, LDAP, and Group Policy administration

Email server setup and management (Postfix, Exchange, Microsoft 365)

Monitoring and alerting with Nagios, Zabbix, Prometheus, Grafana, or Datadog

Automation and configuration management using Ansible, Puppet, Chef, or Terraform

Containerization with Docker and orchestration with Kubernetes

Server migration, OS upgrades, and patch management

Incident response, log analysis, and performance tuning

Tools and technologies sysadmins work with

Strong system administrators are fluent across multiple categories of tooling. When reviewing candidates, look for hands-on experience with:

Operating systems: Linux (Ubuntu, RHEL, CentOS, Debian) and Windows Server

Cloud platforms: AWS (EC2, S3, IAM, VPC), Azure, GCP

Scripting: Bash, PowerShell, Python, Perl

Configuration management: Ansible, Puppet, Chef, SaltStack

Infrastructure as code: Terraform, CloudFormation

Containers and orchestration: Docker, Kubernetes, Docker Swarm

Version control and CI/CD: Git, Jenkins, GitLab CI

Monitoring: Prometheus, Grafana, Nagios, Zabbix, ELK Stack

Virtualization: VMware vSphere, Hyper-V, KVM, Proxmox

Industries and use cases

Freelance system administrators serve businesses of every size. Startups bring on a sysadmin to set up production infrastructure before their first launch. SaaS companies rely on them for uptime, scaling, and security compliance. E-commerce stores need sysadmins to keep web servers, databases, and payment systems performing under load.

Other common engagements include healthcare and finance firms requiring HIPAA or PCI-DSS-aligned configurations, educational institutions managing campus networks and identity systems, agencies maintaining client hosting environments, and small businesses needing on-call support for office networks, file servers, and cloud workspaces.

How to evaluate system administrator candidates

The right sysadmin combines deep technical breadth with calm judgment under pressure. Look for these signals on a candidate's profile and proposal:

Demonstrated experience with the specific operating systems and cloud platforms you use

Certifications such as Red Hat Certified Engineer (RHCE), Linux Professional Institute (LPIC), Microsoft Certified: Azure Administrator, AWS Certified SysOps Administrator, or CompTIA Server+

A portfolio or case studies showing migrations, infrastructure builds, or incident recoveries

Scripting and automation samples on GitHub or similar

Strong written communication, since remote sysadmin work involves documenting runbooks and change logs

Sample interview questions to copy and use:

Walk me through how you would harden a fresh Ubuntu server before exposing it to the public internet.

Describe a production outage you handled. What was the root cause, and how did you resolve and prevent it?

How do you design a backup and disaster recovery strategy for a database-driven web application?

Which configuration management tool do you prefer and why, and how do you structure your playbooks or manifests?

How would you migrate a workload from on-premises VMware to AWS with minimal downtime?

Why hire system administrators on Freelancer.com

Freelancer.com gives you access to a global pool of vetted sysadmins covering every major operating system, cloud platform, and infrastructure stack. Whether you need a Linux specialist for a one-off server migration, a Windows Server expert for Active Directory work, or a long-term DevOps-leaning sysadmin to manage your AWS environment, you can compare candidates side by side and pick the right fit.

Clients set their own budgets and receive competitive bids from freelancers on Freelancer.com, with profile reviews, ratings, and Milestone Payments protecting the engagement from start to finish. The scale and reach of the platform mean you can find around-the-clock coverage across time zones, which matters when your servers do not sleep.

Post a project on Freelancer.com today and connect with skilled system administrators ready to secure, maintain, and scale your infrastructure.

What are the steps to hiring a freelance system administrator?

Hiring a sysadmin is straightforward when you take time to define your environment and goals up front. The clearer your brief, the more accurately freelancers can scope the work, propose tools, and quote a realistic timeline. Here is the process from posting your project to awarding the work.

Step 1: Post your project on Freelancer.com

Your project post is the single biggest determinant of bid quality. A vague brief attracts generic proposals; a precise one filters for sysadmins whose experience genuinely matches your stack. Head to the post project page , where you fill in the brief, scope, timeline, and budget before publishing the project for freelancers to bid on.

Specify your operating systems and versions (e.g., Ubuntu 22.04, Windows Server 2022, RHEL 9)

List the cloud platform or hosting environment (AWS, Azure, GCP, on-premises, hybrid)

Describe the workloads involved: web servers, databases, mail, file storage, Active Directory

Note any compliance requirements such as HIPAA, PCI-DSS, GDPR, or SOC 2

Include access details, expected deliverables (runbooks, documentation, configuration repos), and your timeline

Step 2: Review bids from freelancers

Bids are short proposals, not just price quotes. They reveal how the sysadmin interprets your environment, what approach they would take, and whether they have handled similar infrastructure before. Read each carefully and shortlist candidates whose understanding of the work matches the brief.

Look for proposals that reference your specific OS, cloud, or tooling rather than generic boilerplate

Check whether the freelancer asks clarifying questions about backups, access, or change windows

Assess timeline realism, especially for migrations and zero-downtime cutovers

Note references to relevant tools such as Ansible, Terraform, Nagios, or Active Directory

Use Freelancer.com's chat to discuss approach, security practices, and on-call availability before shortlisting

Step 3: Evaluate freelancers and award the project

The final decision combines proposal quality with profile evidence. For sysadmin work, consistency matters more than a single impressive project — you want someone who has reliably handled similar environments many times.

Review portfolio depth and how closely past projects match your stack and scale

Check star ratings and the volume of completed projects, not just recent ones

Read written client reviews for signals about responsiveness, documentation quality, and incident handling

Confirm verified payment method, completion rate, and on-time delivery rate

Look for relevant certifications such as RHCE, LPIC, AWS SysOps, or Microsoft Azure Administrator

Award the project and use Freelancer.com's Milestone Payments to release funds as agreed deliverables are completed, protecting both sides during the engagement

What is the difference between a system administrator and a DevOps engineer?

A system administrator focuses on operating, securing, and maintaining infrastructure, while a DevOps engineer focuses on automating the pipeline that delivers software to that infrastructure. The roles overlap heavily on tools like Ansible, Terraform, and Kubernetes, and many freelancers offer both skill sets.

Can I hire a system administrator for a one-off project?

Yes. Common one-off engagements include server migrations, cloud setup, security audits, OS upgrades, mail server configuration, and disaster recovery planning. You can scope the work as a fixed-price project on Freelancer.com or hire hourly for tasks where the duration is harder to predict.

Do I need a Linux sysadmin or a Windows sysadmin?

It depends on your stack. Web applications, databases, and most cloud workloads commonly run on Linux, while Active Directory, Exchange, and many enterprise desktop environments run on Windows Server. Many freelance sysadmins are comfortable in both, but specifying your environment in the brief leads to better-matched bids.

How do I give a freelance sysadmin secure access to my systems?

Use SSH keys instead of passwords for Linux servers, create scoped IAM users for cloud accounts, and enable multi-factor authentication everywhere. Provide least-privilege access for the duration of the engagement and rotate credentials when the project ends.

Do I need a freelance system administrator or a managed services agency?

A freelance sysadmin is usually the better fit when you need focused expertise, direct communication, and flexible scope. Agencies can make sense for organizations needing 24/7 coverage and formal SLAs, but freelancers on Freelancer.com often deliver comparable technical depth with faster turnaround.