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VOIP & Infrastructure Engineer

VOIP & Infrastructure Engineer

capital.comWarsaw, Poland
21 dni temu
Opis pracy

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.
  • Troubleshootplex 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 VOIPponents.
  • Own or contribute to infrastructure reliability, backup strategies, system upgrades, and security hardening.

Requirements

  • 5+ years of professional experience in systems engineering, infrastructure operations, VOIP engineering, or a similar technical role.
  • Strong experience with either :
  • VOIP systems (, 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.).
  • Prior experience working in environments where engineers own systems end-to-end is strongly preferred.
  • Solid troubleshooting skills and a deep interest in how systems work.
  • Experience with networking concepts, especially as they relate to VOIP (firewalls, NAT, QoS, etc.).
  • Experience with monitoring / observability stacks (Prometheus, Grafana, Zabbix, etc.).
  • Business level proficiency in English or above (equivalent to B2 or above in CEFR)

    • Nice to have

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

    • What you will get in return :

  • Work-Life Harmony : Join apany 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.
  • 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 themunity.

    • Be a key player at the forefront of the digital assets movement, propelling your career to new heights! Join a dynamic and rapidly expandingpany that values and rewards talent, initiative, and creativity. Work alongside one of the most brilliant teams in the industry. Job ID 7oURcEY8eeRQ

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