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Alexander M.

4.8

7.3

96%

Hectorville, Australia

$50 USD per hour

Thanks for stopping by my Profile! I am a well-qualified FullStack Engineer familiar with wide range of programming utilities and languages. Knowledgeable of backend and frontend development requirements. Handles any part of the process with ease. Collaborative team player with excellent technical abilities offering 10 years of related experience. - Programming Languages : JavaScript, C#, Java, Python, CSS, HTML5, HTML6, C++, TypeScript - Frontend React, Redux, React Native, Angular, Vue.js, Flutter, Jquery, Ember.js,Shopify - Backend Node.js, Django, Express.js, ASP.NET, Ruby on Rails, Laravel - DevOps & System Amazon Web Service, Azure, Linux System Administration - Database MongoDB, MySQL, MariaDB, PostgreSQL, Oracle, SQL Server, Redis, Firebase - Security Cyber Security, System security - OpenAI Building ChatBot using OpenAI models, Fine Tuning, Training Dataset, Voice Chatting - Cryptocurrency Blockchain,cryptocurrency development and integration As you can see, I am well adept at working with all the relevant platforms, and if you’re interested in getting an idea of how I work and what I create, feel free to reach out via Freelancer! I'm always available through message and am happy to give free consultations and proposals for all new and returning clients!

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Nikolay O.

5.0

5.7

100%

Leichhardt, Australia

$40 USD per hour

Freelance engineer specializing in VoIP solutions, DevOps, networking, and virtualization. Experienced with Asterisk, FreeSwitch, OpenSIPS, Linux/Unix/BSD systems, and modern infrastructure. CCNP, VCP, and CKA certified, with strong skills in C/C++, Python, and shell scripting. Known for excellent troubleshooting, reliability, and clear communication.

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Volodymyr O.

4.9

5.6

97%

Morayfield, Australia

$55 USD per hour

About me About 7 years I worked as system administrator at a company that provides SaaS-service from Microsoft and Linux/Windows VPS-service. Part of my job is related to the migration of customer services "in the cloud". I also have extensive experience in the installation and support VOIP-based systems (Cisco, Avaya, Asterisk, Freeswitch, etc). My knowledge and services Clouds - Amazon; - Microsoft Azure; - MediaTemple; - DNS-services; Security - VPN - LT2P, PPTP, Site-to-Site, SSL ; - Firewall - IPS/IDS; - User-based policies - AD/LDAP/RADIUS integration; - DoS/DDoS; - Application and access control; - Antivirus solutions; Networking - L2/L3 switching, VLANs, Access control, Link aggregation, high availability; - Routing - Load balancing; - Traffic shaping / QoS; VOIP - SIP/H323; - Truks - Routing; - Device provisioning; - IVRs - Call Center; Storage - SAN; - Backup solutions; - Data Recovery; Technologies - Virtualization; - High availability; - Cloud computing; - SaaS, IaaS, DaaS; - Remote apps; OS - Windows Sever (2003, 2008R2, 2012R2); - Windows (XP, Vista, 7, 8); - Mac OS X; - Linux (Debian, Ubuntu, CentOS); Vendors - Microsoft, Cisco, HP, Lenovo, Fortinet, Alcatel, Avaya, Symantec, SonicWall, TrendMicro;

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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.

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Lachlan John F.

5.0

2.6

100%

Liverpool, Australia

$30 USD per hour

Good Day, Id like to express my interest in the assignment you have advertised to be completed. You will not be disappointed in my proficiency and expertise! I have multiple years of experience working in the industry working on cutting edge products Please do not be deterred due to the fact! As i am rich and plentiful in experience in the following application platforms: - PHP - LARAVEL - SLIM FRAMEWORK - PYTHON - HTML - CSS - API DEVELOPMENT With multiple years of tutoring and studying, along with high qualifying references & endless completions of Certificates i have gained one of the highest levels of professionalism. With all of this experience available at your fingertips, you can assure the finest stress free experience in achieving your developing requirements. Not only that, to offer extra assurance, my bid amount will be one of the lowest offers as a starting point for my Freelancer Career. Quickest & Finest Professionalism 100% Supplied! Do Not be disappointed! Lachlan Fry. https://www.linkedin.com/in/lachlan-fry-bba613212/

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Nishchal K.

5.0

0.2

100%

Brisbane, Australia

$30 USD per hour

http://www.kush.com.fj I'm a computer science graduate (BIT QUT) with a double major in software engineering and data communications. Later I gained information security qualification (MIT QUT). I have a keen interest in all thing information security, but recent experience in security operations with research interests in industrial control systems.

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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.

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How to hire a great freelance OpenVPN Developer

An OpenVPN developer is a network engineer who designs, deploys, and maintains secure virtual private network solutions using the OpenVPN protocol to encrypt traffic between remote users, sites, and servers. Hiring an OpenVPN expert gives your business a hardened, auditable VPN infrastructure that protects sensitive data, enables remote workforce access, and connects distributed offices across public networks without exposing internal systems.

What an OpenVPN developer delivers

An OpenVPN specialist builds the full VPN stack from server provisioning through client distribution. The work covers cryptographic configuration, routing, authentication, and ongoing operational support so your tunnels stay performant and secure under load.

Typical deliverables include a configured OpenVPN Access Server or Community Edition deployment, signed client certificates, push routes, kill-switch logic, and documentation your IT team can hand off. Many projects also include monitoring, log forwarding, and integration with directory services so user lifecycle events flow automatically into VPN access control.

Core services and tasks

OpenVPN server installation and hardening on Linux distributions such as Ubuntu, Debian, CentOS, and AlmaLinux

OpenVPN Access Server licensing, web UI configuration, and clustering for high availability

Public key infrastructure setup using EasyRSA, including CA generation, certificate signing, and CRL management

Client configuration file (.ovpn) generation for Windows, macOS, Linux, iOS, and Android

Site-to-site VPN tunnels between branch offices, cloud VPCs, and on-premises networks

Multi-factor authentication integration with Google Authenticator, Duo, or TOTP plugins

LDAP, Active Directory, RADIUS, and SAML single sign-on integration

Split tunneling, full tunneling, and DNS leak protection configuration

Firewall and routing rules using iptables, nftables, ufw, or firewalld

TLS cipher tuning, perfect forward secrecy, and migration from deprecated ciphers

Performance optimization, MTU tuning, and UDP versus TCP transport selection

Migration between OpenVPN, WireGuard, and IPsec where appropriate

Monitoring with Prometheus, Grafana, Zabbix, or the OpenVPN management interface

Tools and technologies

OpenVPN engineers work across a defined toolchain. Expect strong fluency with the OpenVPN Community Edition, OpenVPN Access Server, and OpenVPN Connect clients. Adjacent infrastructure skills typically include EasyRSA for certificate management, OpenSSL for key operations, and configuration management tools such as Ansible, Terraform, or Puppet for repeatable deployments.

Cloud experience matters when the VPN concentrator runs on AWS EC2, Azure VMs, Google Cloud, DigitalOcean, or Linode. Strong candidates also know pfSense, OPNsense, and MikroTik RouterOS, which often interoperate with OpenVPN for site-to-site links. Logging and observability commonly involve syslog, ELK, or Graylog pipelines.

Industries and use cases

OpenVPN deployments serve a wide range of sectors. Common engagements include remote workforce access for SaaS and software companies, secure clinician access to electronic health record systems in healthcare, PCI-scoped network segmentation for fintech and e-commerce, and field engineer access to SCADA or industrial control networks in manufacturing and energy.

Other frequent use cases include law firms protecting client communications, MSPs offering managed VPN to multiple tenants, gaming and media companies geo-restricting internal tools, and education providers giving researchers access to compute clusters. Any organization with sensitive internal services and a remote or distributed user base is a candidate for an OpenVPN engagement.

How to evaluate OpenVPN candidates

Look for hands-on Linux administration experience, demonstrable knowledge of TLS and PKI, and a portfolio that includes at least one production VPN deployment with documented client counts and uptime. Network engineering credentials such as CCNA, CompTIA Security+, RHCE, or LPIC are useful signals, as is experience working under SOC 2, HIPAA, or ISO 27001 controls.

Ask shortlisted freelancers to walk through a past deployment in detail. Request sample server.conf files (with secrets redacted), example Ansible roles, or runbooks they have written. Strong candidates will discuss tradeoffs openly rather than recommending a single fixed configuration.

Sample interview questions you can copy:

How would you design an OpenVPN Access Server deployment for 500 concurrent users with high availability across two regions?

What is your approach to certificate revocation, and how do you handle a compromised client certificate at 2am?

Walk me through how you would integrate OpenVPN authentication with our existing Active Directory and enforce MFA.

When would you recommend WireGuard or IPsec over OpenVPN, and why?

How do you monitor tunnel health and detect anomalous client behavior in production?

Why hire OpenVPN developers on Freelancer.com

Freelancer.com gives you direct access to a global pool of network and security engineers with verified profiles, public ratings, and project histories you can review before awarding work. Whether you need a one-day server hardening review or a multi-month rollout across dozens of branch offices, you can post a project on Freelancer.com and receive competitive bids within hours.

Buyers set their own budgets and timelines, compare proposals side by side, and use Milestone Payments to release funds only when work meets the agreed specification. The scale of freelancers on Freelancer.com means you can match the engineer's specialization to your stack, whether that is AWS, on-premises Linux, pfSense, or a hybrid deployment.

Ready to secure your remote access infrastructure? Post a project on Freelancer.com today and connect with skilled OpenVPN developers ready to deliver.

What are the steps to hiring a freelance OpenVPN developer?

Hiring an OpenVPN engineer is straightforward when your brief reflects the technical reality of your network. The clearer you are about your operating system, user count, authentication requirements, and compliance constraints, the more accurate the bids you will receive. The process below walks through posting, reviewing, and awarding the project.

Step 1: Post your project on Freelancer.com

Your project post is the single biggest determinant of bid quality. A precise brief filters out generalists and attracts engineers whose VPN experience genuinely matches your environment. 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.

Server environment: Linux distribution and version, cloud provider or on-premises, and existing firewall

Edition: OpenVPN Community Edition or OpenVPN Access Server, and whether licensing is in place

Expected concurrent user count and growth projections

Authentication requirements: certificate-only, LDAP, Active Directory, SAML SSO, MFA

Topology: remote-access only, site-to-site, or hybrid, including subnets that must be reachable

Compliance context such as HIPAA, PCI DSS, SOC 2, or ISO 27001

Deliverables expected: configuration files, Ansible playbooks, runbooks, client installers, handover training

Step 2: Review bids from freelancers

Bids are short proposals, not just price quotes. They reveal how each freelancer interprets your environment, what approach they propose, and whether their timeline is realistic. Read each one carefully and shortlist candidates whose understanding of OpenVPN architecture matches your brief.

Clarity on the proposed topology, cipher suite, and authentication design

Relevant clarifying questions about your firewall, DNS, or directory service

References to specific tools such as EasyRSA, Ansible, or the OpenVPN management interface

Realistic timeline that accounts for certificate generation, testing, and client rollout

Sample server.conf snippets, redacted past deployments, or links to relevant portfolio work

Use Freelancer.com chat to ask follow-up questions before shortlisting your top three

Step 3: Evaluate freelancers and award the project

The final decision combines proposal quality with profile evidence. For OpenVPN work, weigh consistency across past network and security projects rather than a single impressive example, since misconfigured VPNs fail quietly until they are exploited.

Portfolio depth across VPN, Linux administration, and PKI projects

Star ratings and the volume of completed projects in networking and security

Written client reviews mentioning OpenVPN, firewalls, or remote access specifically

Verified payment method and identity verification on the profile

Project completion rate and on-time delivery rate

Award the project and fund Milestone Payments so the freelancer is released payment only when each agreed deliverable — server build, client rollout, documentation — is signed off

How long does an OpenVPN deployment take?

A straightforward single-server deployment with certificate-based auth and a handful of clients can be completed in a few days. More complex builds involving Access Server clustering, SSO integration, site-to-site tunnels, and compliance documentation typically run two to six weeks depending on scope and review cycles.

Can I hire an OpenVPN freelancer for a one-off project?

Yes. Many engagements on Freelancer.com are scoped as one-off builds, audits, or migrations. You can also retain the same freelancer on a part-time basis afterwards for monitoring, certificate rotation, and incident response if you prefer not to staff the role internally.

What is the difference between an OpenVPN developer and a general network engineer?

A general network engineer covers a broad set of routing, switching, and firewall disciplines. An OpenVPN developer specializes in the OpenVPN protocol, its certificate model, plugin ecosystem, and client distribution workflow, which means faster delivery and fewer configuration mistakes on VPN-specific work.

Do I need an OpenVPN freelancer or an agency?

For most VPN builds, a single experienced freelancer is sufficient and more cost-efficient than an agency. Agencies make sense when the VPN is part of a larger managed security program with 24/7 SOC requirements. For defined deployments, audits, and migrations, an individual specialist is usually the right fit.

Will the freelancer also handle client device rollout?

Many will. Scope this clearly in your brief — specify whether you need just the server side, or also packaged installers, MDM profiles for Intune or Jamf, and end-user documentation. Freelancers will price and plan accordingly.