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Hire BSD Experts

Matias Gaston P.

5.0

892

7.9

100%

Villa De Merlo, Argentina

$25 USD per hour

I started with BeOS in 2002, because of a friend, who showed me something other than Windows, Always I worked repair PC & Laptops. Now I have more 10 years of experience in Server Linux. I can manager servers dedicated, servesr VPS, servers shared, etc. Setup and management you server; Apache/Nginx/Tomcat. SMTP Postfix, POP/IMAP Dovecot. FTP Vsftpd, Proftpd, Pure-ftpd-mysql. Dns Bind9, dnsmasq. File Server & printer Samba (dc-ac). Network administrator: isc-server-dhcp, openvpn, etc. Install and renew SSL certicate. All services on cloud; AWS, Azure, etc. Also website and E-mail migrations. ALL panels and web managers. Management all Linux distributions. Setup, security and optimization your server. __________________________ VERY IMPORTANT!!! “Hi I'm Matias, someone is trying to impersonate me, this account is the only one active and verified by freelancer! I DON'T USE ANY OTHER MEANS OF CONTACT, ONLY FREELANCER CHAT!” -----------------------------------------

BSD PHP Perl ASP Windows Desktop

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Felipe M.

4.6

4.1

94%

Santo Domingo Este, Dominican Republic

$36 USD per hour

Experienced Computing Electronic Engineer and Unix-Like SysAdmin, also with turn-key VoIP based platforms (FreeSWITCH, Kazoo/2600hz, Kamailio, OpenSIPS, dSIPRouter). VPN (Wireguard, Zerotier and Strongswan). SignalWire Cloud LaML and Relay Programming (PHP, Python and NodeJS) Telnyx API

BSD Linux Asterisk PBX FreeSwitch

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Muhammad U.

5.0

176

7.5

100%

Lahore, Pakistan

$35 USD per hour

AWS Certified Solutions Architect – Associate cPanel & WHM System Administrator I Oracle Certified Professional for Solaris 10 CCNA Protocols/Technologies -------------------------------------- IPV4, IPV6, TCP, UDP, ICMP, SMTP, POP3, IMAP4, SNMP, ARP, DHCP, BOOTP, FTP, RADIUS, NFS, RSYNC, ISCSI, SAN, NAT, STP, ISL, 802.1Q, Ethernet 802.3 802.2, Ether channel, PPP, HDLC, Frame Relay, ATM, IMA, PPPoE, BGP v4, Net-Flow, WCCP, E-1, STM-1 Linux and Unix Type Operating Systems --------------------------------------------------------------- CentOS, Alma Linux, CloudLinux, Ubuntu, Debian, Sun Solaris 8, 9, 10 (Sparc and Intel) FreeBSD 4.x - 8.x OpenBSD Cloud / Amazon AWS Technologies --------------------------------------------------------- S3, EC2, VPC, RDS, Autoscaling, IAM, ELB/NLB, EFS, Lightsail, SES, WorkMail, Cloudfront, Snowball, SnowballEdge, DataSync Webhosting Control Panels / Software ------------------------------------------------------------- Cpanel/WHM, Plesk, CyberPanel Apache, Nginx, lightspeed, php-fpm Services Platforms ------------------------------ Cloudflare, Rackspace, Sendgrid, Brevo/SendinBlue, Mailgun, Godaddy, namecheap, Hostgator, namesilo, Ongage, Active Campaign, Google Workspace, Microsoft365, Squarespace, Wix, Ongage, Zoho, Klaviyo, customer.io Email Marketing Frontends ------------------------------------------- Mailwizz, Acelle Mail, Mumara, Mautic, Interspire, Octecth Oempro, 12all/Active Campaign SMTP Servers ----------------------- Postfix, Qmail, Exim, PowerMTA, KumoMTA, OpenDKIM, MailCow Virtualization / Containers ------------------------------------------ VMWare ESXi, VirtualBox, Citrix XEN Server 5.5, Citrix XEN App 5 / Presentation Server, Solaris zones, Open VZ, XEN Opensource, Docker Web/Scripting/Programming Languages ----------------------------------------------------------------- Perl, Bash shell, PHP, AWK, HTML, CGI, SQL, TSQL, Java

BSD Perl System Admin Linux Bulk Marketing

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Alexandru H.

5.0

107

5.8

99%

Iasi, Romania

$30 USD per hour

Areas Of Expertise: -Linux Server Administration - Linux Distribution : Gentoo, CentOS, RHEL, Fedora Core - Web Servers : Apache, nGinx, Tomcat - DB Servers : MySQL, PostGres - Mail Servers : qmail, postfix, sendmail - DNS Servers : bind - Security : Firewall (iptables), IDS (snort), fail2ban - VPN : IPSec, OpenVPN - Monitoring : logwatch, cacti, nagios, BB - High Availability : HeartBeat, DRBD, LVS - Virtualization : XenSource, Citrix Xen Server, VirtualBox, VmWare

BSD Script Install System Admin Linux Cloud Computing

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Iosif P.

4.9

7.4

95%

Benediktbeuern, Germany

$64 USD per hour

Senior Systems & Security Engineer with 15+ years in enterprise-grade IT. I design, harden, and operate high-availability infrastructure, and I streamline delivery with automation and clean processes. My focus: reliability, security, and clear documentation—so changes are low-risk and handovers are effortless. Strengths: • Infrastructure architecture & operations (Linux/Windows, virtualization, networking) • Security hardening, identity & access, monitoring/observability • Automation & DevOps practices (CI/CD, config management, IaC) • Cloud platforms, Docker, Kubernetes • Data pipelines, Zoho/ERP integrations, BI dashboards • Migrations and upgrades with minimal downtime • Concise runbooks, risk-aware planning, and stakeholder-friendly communication Certifications: CompTIA Security+, Microsoft MCSE/MCSA/MCITP Languages: English (C2), German (C1), native Romanian Location: Germany • NDA-friendly • Reliable and responsive

BSD PHP C Programming Java JavaScript

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Lukasz K.

5.0

5.4

99%

Elbląg, Poland

$30 USD per hour

* Practical knowledge of the OS (Linux, BSD, Windows), * Practical knowledge of the application servers like (Apache, Nginx, Tomcat, SharePoint 2007/ProjectServer , MS IIS, Jboss), * Practical knowledge of the services/protocols : (FTP, SSH, SMTP, DNS, HTTP/HTTPS, POP3/IMAP, MySQL) - based on the popular major open solutions, * Practical knowledge of the monitoring solutions like : (BigBrother, Hobbit, ZABBIX, based on RRTOOL) * Practical knowledge of the web admin panels out of the box (WHM/cPanel, Ajenti, Webmin, etc) * Good knowledge of TCP/IP including LAN/WAN, * Cluster environmets for the web applications (HaProxy, Tomcat, Varnish, Squid) Over 10 years in IT ;-)

BSD System Admin Linux Web Security Apache

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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.

BSD PHP Perl C Programming JavaScript

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Romeo R.

5.0

6.2

100%

Antananarivo, Madagascar

$50 USD per hour

For more than ten years, I have worked with a wide range of programming languages and technology stacks, leveraging this expertise to assist clients in addressing their diverse needs. I have tackled everything from simple issues to highly complex, specialized challenges requiring deep domain knowledge. Regardless of the complexity of the problem, my focus is always on delivering customized, tailored solutions that meet the unique requirements of each client.

BSD PHP C Programming Java Python

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Irakli G.

5.0

5.3

95%

Tbilisi, Georgia

$35 USD per hour

I'm a Unix/Linux system administrator. I can install/configure/troubleshoot any product in your environment. I'm also familiar in virtualization and VoIP technologies. ( 10 years of total experience ) OS: Linux Distros: RedHat/Debian/Novell(SuSe) ( CentOS,Fedora,CoreOS,ClearOS,Ubuntu,RHEL,SLES & etc... including Gentoo) Unix Distros: FreeBSD,OpenBSD,NetBSD Microsoft Windows Servers ( 2003-2016 ), Active Directory, Microsoft Exchange Server /w Load Balancer from outside, Certification Authority Servers/Services: Mail Server: Postfix/Dovecot/SpamAssassin/Amavisd ( Including suites e.g Zimbra,SOGo,iRedMail,OpenXchange,MS Exchange, Kolab & etc...) Web Server: Apache,Nginx,Lighttpd,LiteSpeed/OpenLiteSpeed ( +LSCache ),G-WAN Database Server: MySQL,MSSQL,PostgreSQL,MongoDB,Oracle 10g Control Panels: CentOS Web Panel,cPanel/WHM,ISPConfig,CyberPanel & etc... Virtualization: VMWare ( ESXi,vCenter,HA ),Proxmox VE,OpenVZ,XenServer VoIP: Asterisk,FreePBX,Elastix,Issabel,CallManager

BSD System Admin Linux Web Security Computer Security

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How to hire a great freelance BSD Expert

A BSD expert is a systems specialist who designs, deploys, and maintains servers, networks, and applications running on BSD-family operating systems such as FreeBSD, OpenBSD, NetBSD, and DragonFly BSD. These freelancers handle kernel configuration, jail and bhyve virtualization, ZFS storage, pf firewall rules, and security hardening for production environments where stability, licensing freedom, and performance matter.

Hiring a skilled BSD professional gives your business access to one of the most reliable Unix-like platforms in production use today. BSD systems power critical infrastructure including routers, storage appliances, mail servers, content delivery networks, and embedded devices. A freelance BSD expert brings deep knowledge of the base system philosophy, ports and packages management, and the operational discipline needed to keep these systems running for years without unplanned downtime.

What a freelance BSD expert delivers

A BSD specialist handles the full lifecycle of BSD-based infrastructure, from initial architecture through long-term maintenance. The work spans server administration, custom kernel builds, networking, security, and application porting. Common deliverables include:

FreeBSD, OpenBSD, and NetBSD server installation, configuration, and hardening

ZFS pool design, snapshots, replication, and disaster recovery planning

Jail-based isolation, bhyve and Xen virtualization, and container migration strategies

pf and ipfw firewall rule sets, VPN configuration with WireGuard, IPsec, and OpenVPN

Custom kernel compilation, driver development, and hardware enablement

Ports tree maintenance, package building with poudriere, and pkg repository hosting

Mail server stacks built on Postfix, Dovecot, OpenSMTPD, and Rspamd

Web server deployment with nginx, Apache, and PHP-FPM on BSD

Migration from Linux to BSD, or porting Linux applications to BSD platforms

Security audits, intrusion detection with Snort or Suricata, and CVE patching

Tools and technologies a BSD specialist uses

BSD professionals work with a distinct toolchain shaped by the base system philosophy of each variant. Strong candidates are fluent across the following:

Operating systems: FreeBSD, OpenBSD, NetBSD, DragonFly BSD, HardenedBSD, pfSense, OPNsense, TrueNAS

Storage and filesystems: ZFS, UFS2, geli encryption, HAST replication

Virtualization: jails, bhyve, vm-bhyve, iocage, ezjail, Xen

Networking: pf, ipfw, CARP, pfsync, BGP with FRR or OpenBGPD, OSPF

Configuration management: Ansible, Puppet, Salt, mfsBSD, BSD Installer scripting

Build systems: ports, pkgsrc, poudriere, synth, make.conf customization

Shells and scripting: sh, csh, ksh, Python, Perl, Lua

Monitoring: Nagios, Zabbix, Prometheus exporters, devd, syslog-ng

Industries that hire BSD experts

BSD systems are widely used wherever uptime, licensing clarity, and network performance are critical. Freelance BSD consultants commonly serve:

Internet service providers and network operators running routers, firewalls, and BGP edge devices

Hosting companies operating mail, DNS, and web infrastructure on FreeBSD

Storage vendors and data-heavy businesses using ZFS appliances and backup targets

Security-focused organizations standardizing on OpenBSD for firewalls, VPN concentrators, and bastion hosts

Embedded and appliance manufacturers shipping BSD inside routers, NAS units, and IoT gateways

Universities, research labs, and government agencies with long-term Unix workloads

Financial and trading firms requiring deterministic performance and low-latency networking

How to evaluate a BSD freelancer

The right candidate combines hands-on production experience with a clear understanding of how BSD differs from Linux. Look for evidence of long-running deployments, contributions to ports or src trees, and familiarity with the BSD release engineering cycle. Strong qualification signals include:

Years of production administration on FreeBSD, OpenBSD, or NetBSD, not just hobbyist use

Public commits to the FreeBSD ports tree, OpenBSD ports, or pkgsrc

Documented projects involving ZFS at scale, pf firewall design, or jail orchestration

Comfort reading and modifying C source in the base system

BSD-related certifications such as BSDA, or comparable Unix administration credentials

Clear written communication, since BSD work often involves remote server access and detailed change logs

Use these sample interview questions to test depth:

How would you design a highly available ZFS storage cluster using FreeBSD, and what replication strategy would you choose?

Walk me through how you would harden an OpenBSD server exposed to the public internet.

What are the practical differences between jails, bhyve, and Linux containers, and when would you pick each?

Describe a pf ruleset for a small office network with a DMZ, including NAT and rate limiting.

How do you manage package upgrades across a fleet of FreeBSD servers without breaking production?

Why hire BSD experts on Freelancer.com

Freelancer.com gives you direct access to a global community of BSD professionals, from independent system administrators to senior infrastructure engineers with kernel-level experience. You can post a project on Freelancer.com and receive competitive bids within hours, compare portfolios, read verified client reviews, and shortlist candidates whose backgrounds match your stack. Clients set their own budgets, and Milestone Payments hold funds securely until agreed deliverables are met. Whether you need a one-off pf firewall audit or ongoing FreeBSD server management, freelancers on Freelancer.com cover every time zone and specialization within the BSD ecosystem.

Post a project on Freelancer.com today and connect with skilled BSD experts ready to deploy, secure, and maintain your FreeBSD, OpenBSD, or NetBSD infrastructure.

What are the steps to hiring a freelance BSD expert?

Hiring the right BSD specialist comes down to a clear brief, careful proposal review, and disciplined evaluation of past work. Because BSD spans system administration, networking, storage, and kernel-level engineering, the more precisely you describe the target environment and deliverables, the better your bids will be. The process below walks through each stage.

Step 1: Post your project on Freelancer.com

The quality of your project post is the single biggest determinant of bid quality. A precise brief filters out generalists and attracts BSD freelancers whose experience genuinely matches your stack, whether that is a FreeBSD ZFS storage server, an OpenBSD firewall cluster, or a jail-based hosting environment. Head to the post project page , fill in the brief, scope, timeline, and budget, and publish the project for freelancers to bid on.

State the BSD variant and version (e.g., FreeBSD 14.x, OpenBSD 7.x, pfSense)

Describe the hardware or hypervisor environment, including disk layout for ZFS work

List required deliverables: configuration files, runbooks, Ansible playbooks, or migration plans

Specify networking constraints such as public IP ranges, VLANs, VPN endpoints, or BGP peers

Note compliance or hardening standards if applicable, and any required maintenance windows

Step 2: Review bids from freelancers

Bids on Freelancer.com are short proposals, not just price quotes. They reveal how each freelancer interprets your brief, what approach they propose, and whether their timeline is realistic. Read carefully and shortlist candidates whose understanding of BSD specifics, not just generic Unix administration, matches what you need.

Check whether the proposal references the correct BSD variant and the right tools for the job

Look for clarifying questions about ZFS layout, pf rules, jail topology, or upgrade strategy

Assess whether the proposed timeline accounts for testing, snapshots, and rollback procedures

Review any sample work attached, such as configuration snippets, scripts, or past architecture diagrams

Use Freelancer.com chat to ask follow-up technical questions before shortlisting finalists

Step 3: Evaluate freelancers and award the project

The final decision combines proposal quality with profile evidence. Look at the consistency of past BSD work rather than a single standout project, and weigh client reviews that mention reliability, documentation quality, and clean handover. For production infrastructure, a freelancer who delivers steady results across many engagements is often the safer choice.

Review portfolio depth for BSD-specific work, not just general Linux or Unix experience

Check star ratings and the volume of completed projects on Freelancer.com

Read written client reviews for mentions of uptime, security posture, and on-time delivery

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

Award the project and fund Milestone Payments so funds are released only as agreed deliverables are met

What is the difference between a BSD expert and a Linux administrator?

BSD and Linux share Unix heritage but differ in licensing, base system structure, and core tooling. A BSD expert works with an integrated base system, ports or pkgsrc, ZFS as a first-class citizen, and tools like pf, jails, and bhyve, whereas Linux administrators typically work with distribution-specific package managers, systemd, and iptables or nftables. Many freelancers are skilled in both, but production BSD work benefits from a specialist.

Can I hire a BSD freelancer for a one-off project?

Yes. Many BSD engagements are short, focused tasks such as installing and tuning a FreeBSD server, writing a pf ruleset, migrating data into a ZFS pool, or auditing an OpenBSD bastion host. You can scope the project tightly on Freelancer.com and award it to a single freelancer for a fixed deliverable.

How long does a typical BSD project take?

Simple tasks like server hardening or firewall configuration can be completed within a few days, while larger migrations, custom kernel work, or fleet automation projects often run several weeks. Timelines depend on scope, the number of hosts involved, and whether downtime windows are required for production cutovers.

Do I need a BSD freelancer or a full agency?

For most projects, an experienced individual freelancer is sufficient and more cost-efficient. Agencies are typically only needed when you require 24/7 managed operations across a large fleet, multi-disciplinary teams covering networking, storage, and application layers simultaneously, or formal compliance documentation.

Which BSD variant should my project use?

FreeBSD is the most common choice for general-purpose servers, storage, and hosting. OpenBSD is preferred for firewalls, VPN endpoints, and security-sensitive roles. NetBSD suits embedded and portability-focused work, while pfSense and OPNsense are FreeBSD-based appliances tailored to network edge deployments. A good freelancer will recommend the variant that fits your goals.