Join the Team Behind Smarter Phone Solutions

We’re always on the lookout for talented people who want to help shape the future of business communications and grow with a fast-moving, supportive team.

Find jobs

At Byphone, we build reliable, flexible VoIP solutions that help businesses stay connected and communicate better every day.

Behind that technology is a team of curious, collaborative people who care about doing great work and making things better for our partners and their customers.

If you’re looking for a place where you can develop your skills, work on meaningful products, and be part of a supportive, forward-thinking team, you’re in the right place.

Current Opportunities

Senior Linux System Administrator

Hybrid (50/50) |  Full-time  |  Permanent

Apply now
Administer, maintain, and optimize Linux (Debian-based) systems in production environments.
 
Design, implement, and maintain automation using shell scripting for provisioning, monitoring, backups, and routine operations.
 
Manage and troubleshoot networking components including DNS, routing, firewalls, VPNs, and connectivity issues.
 
Install, configure, maintain, and optimize databases including PostgreSQL, MySQL/MariaDB, and managed services such as AWS RDS.
 
Monitor system health, performance, capacity, and availability; respond to incidents and conduct root cause analysis.
 
Implement security best practices, patching, access controls, and compliance standards.
 
Participate in on-call rotations and incident response when required.
 
Create and maintain documentation, runbooks, and operational procedures.
 
Collaborate effectively with stakeholders and communicate technical concepts clearly.

Provide first-line technical support to clients via phone, email, or ticketing systems regarding VoIP and telecommunications issues.

Diagnose and resolve technical issues related to VoIP hardware, software, and network connectivity.

Assist clients with configuring and troubleshooting VoIP phones, routers, switches, and related equipment.

Collaborate with internal teams to escalate complex issues and ensure timely resolution.

Document all client interactions, technical issues, and resolutions in the ticketing system.

Continuously update knowledge base articles and FAQs to facilitate self-service troubleshooting for clients.

Perform periodic system maintenance tasks and upgrades to ensure optimal performance of VoIP systems.

Strong hands-on experience administering Linux (Debian) systems in production environments.
 
Proficiency in shell scripting (Bash, Python or similar) for automation and tooling.
 
Solid understanding of networking fundamentals (TCP/IP, DNS, routing, firewalls, load balancing, troubleshooting).
 
Experience managing and supporting databases:
– PostgreSQL
– MySQL / MariaDB
– Cloud-managed databases (e.g., AWS RDS)
 
Proven problem-solving skills with the ability to diagnose complex system issues.
 
Excellent communication skills, both written and verbal, with the ability to collaborate across teams and explain technical concepts clearly.
Experience with AWS, including:
– VPC and networking
– EC2
– Route 53
– Backup strategies
– Monitoring and observability (e.g., Prometheus)
 
Exposure to SIP / VoIP systems, including troubleshooting voice platforms and network quality issues.
 
Familiarity with infrastructure as code, CI/CD pipelines, or configuration management tools.
 
Experience operating high-availability or large-scale environments.
Competitive salary + an 8% combined pension
 
Opportunities for professional growth and certification support.
 
Collaborative and technically driven team environment.
 
Flexible working arrangements where applicable.
 
Exposure to modern cloud and infrastructure technologies.
 
Discount on technology on top of the range equipment