VOIP & Infrastructure Engineer

Summary

Join a leading trading platform as a mid to senior-level VOIP & Infrastructure Engineer to build, maintain, and evolve internal telephony infrastructure. This role blends VOIP systems and infrastructure engineering, requiring expertise in both application and platform layers. You will operate and improve VOIP infrastructure, maintain underlying infrastructure, design scalable solutions, troubleshoot complex issues, collaborate on automation, and contribute to infrastructure reliability. The ideal candidate possesses 5+ years of experience in systems engineering, infrastructure operations, or VOIP engineering, along with strong experience in either VOIP systems or infrastructure engineering. A strong foundation in networking and proven ability to troubleshoot production systems are essential. The position offers competitive salary, work-life harmony, annual performance bonus, generous time off, employee referral program, comprehensive health & pension benefits, workation wonderland, and volunteer days.

Requirements

• 5+ years of professional experience in systems engineering, infrastructure operations, VOIP engineering, or a similar technical role
• Strong experience with either: VOIP systems (e.g., Asterisk, FreePBX, FreeSWITCH, 3CX, Kamailio, SIP protocols, RTP, dial plans), OR Infrastructure engineering (Linux systems, virtualization, Proxmox, Docker, CI/CD, scripting, monitoring)
• Proven ability to operate and troubleshoot production systems, including performance issues, outages, and cross-layer failures
• Strong foundation in networking, particularly where it intersects with VOIP (SIP, RTP, NAT traversal, QoS, firewalls, etc.)
• Business level proficiency in English or above (equivalent to B2 or above in CEFR)

Responsibilities

• Operate and improve our VOIP infrastructure, including Asterisk-based systems, 3CX, and supporting services
• Maintain and evolve the underlying infrastructure: Linux servers, virtual machines, Docker containers, network config, and monitoring
• Design and implement scalable, resilient solutions for call routing, recording, monitoring, and integrations
• Troubleshoot complex VOIP and infrastructure issues across layers (SIP, RTP, NAT, system performance, disk, etc.)
• Collaborate with the VOIP team to automate deployment, configuration, and monitoring of VOIP components
• Own or contribute to infrastructure reliability, backup strategies, system upgrades, and security hardening

Preferred Qualifications

• Familiarity with automation tools (Ansible, Terraform, etc.)
• Exposure to telephony integrations (e.g., CRMs, Zendesk, analytics tools)
• Experience with designing telephony platform architectures
• Exposure to observability stacks (e.g., Prometheus, Grafana, ELK) and proactive monitoring strategies
• Experience with system automation, scripting (e.g., Bash, Python), or configuration management tools

Benefits

• Competitive Salary: We believe great work deserves great pay! Your skills and talents will be rewarded with a salary that makes you feel valued and motivated
• Work-Life Harmony: Join a company that genuinely cares about you —because your life outside of work matters just as much as your time on the clock
• Annual Performance Bonus: Your hard work doesn’t go unnoticed! Celebrate your achievements with a well-deserved annual bonus tied to your performance
• Generous Time Off: Need a breather? Our annual leave policy lets you recharge and enjoy life outside of work without a worry
• Employee Referral Program: Love working here? Share the love! Bring your talented friends on board and get rewarded for growing our awesome team
• Comprehensive Health & Pension Benefits: From medical insurance to pension plans, we’ve got your back. Plus, location-specific benefits and perks!
• Workation Wonderland: Live your digital nomad dreams with 30 extra days to work remotely from anywhere in the world (some restrictions apply). Adventure awaits!
• Volunteer Days: Make a difference! Take two additional paid days each year to support causes you care about and give back to the community