VoIP Operations Engineer (Mid-Level)

Richmond, VA - USA

Monthly Salary: Not Disclosed

Posted on: 11 hours ago

Vacancies: 1 Vacancy

Job Summary

VoIP Operations Engineer:

We are seeking a VoIP Operations Engineer with hands-on production experience to help operate and scale a carrier-grade voice platform. You will work directly with FreeSWITCH Kamailio SIP carriers and cloud infrastructure owning troubleshooting reliability and operational excellence.

This role combines deep technical work incident response and clear communication. You will be trusted not only to fix issues but to explain them clearly and with evidence to internal teams.

Experience: 2 Years Hands-on VoIP/Telecom/Voice Infrastructure experience production exposure to FreeSWITCH and/or Kamailio and operating real-time systems in Linux environments

Location: Remote working EST hours

Type: Full -time

Reports to: Operations Lead

Team: Voice Infrastructure/Operations

Core Technical Requirements (Hands-On)

VoIP & Telecom - You should be comfortable independently debugging:

FreeSWITCH

Dialplans gatewaysSIP profiles
Codec negotiation NAT handling
Log analysis and call failure diagnosis

Kamailio

SIP routing logic
Dispatcher/load balancing
Acting as a SIP proxy in front of media servers

SIP Signaling

Full call flows (INVITEBYE)
Re-INVITEs CANCELs SIP error handling (4xx/5xx)

SIP Tracing

sngrep ngrep packet captures HOMER
Correlating multi-leg calls and Call-IDs

RTP & media

RTP negotiation and flow
SDP analysis codec mismatches
One-way/no-audio troubleshooting

Telco layer

Origination vs termination
DIDs carriers SBCs SIP interconnects
Voice KPIs (ASR ACD PDD MOS)

Networking

Comfortable with wireshark
Able to find and identify network issues

Infrastructure Automation and Reliability

Cloud & Automation

AWS: EC2 security groups basic VPC/networking
Terraform: modify and maintain existing modules
Ansible: configuration management and provisioning

Containers and Delivery

Docker: containerized services networking volumes
CI/CD: GitHub Actions GitLab CI or similar
(builddeployrollback understanding)

Observability & Capacity

Monitoring & Alerting

Prometheus Grafana CloudWatch or equivalents
Responding to alerts and troubleshooting in real time

Infrastructure dimensioning

CPU memory disk network sizing
Capacity planning for growth and peak traffic

Configuration Management

Deep familiarity with configuration management tools (Ansible Terraform) not only for infrastructure but also for service deployment and maintenance of core applications (e.g. FreeSWITCH Kamailio web servers like Apache/Nginx).

Linux & Operations (Must be Very Comfortable)

Strong Linux command-line skills
Reading and analyzing logs
Network and system-level troubleshooting
Comfortable operating on production systems
Automation and Scripting: Proficiency in at least one common scripting language (Python Bash) for automating repetitive tasks analyzing data and performing system-level operations.

Responsibilities

Operate and support a live VoIP platform
Respond to alerts and troubleshoot incidents
Debug SIP/RTP issues and call quality problems
Participate in a light on-call rotation
Work with carriers and vendors during incidents
Improve monitoring alerting and automation
Support account executives with clear technical explanations
Contribute to scaling and architecture decisions
Identify cost-saving opportunities based on resource utilization

On-Call Expectations

Participation in a light shared on-call rotation
Alerts are infrequent and actionable
Focused on: call failures Media RTP issues carrier connectivity initial triage troubleshooting and escalation no constant paging and no noisy or consumer-scale alerting
We run real-time systems so on-call exists but it is intentionally kept sane meaningful and sustainable.

Cross-Team & Customer Support Responsibilities

Work closely with Account Executives during incidents or escalations
Clearly determine and explain the following:
When an issue is on our side
When it is carrier side
When it is external or customer-side
Provide evidence-based explanations: SIP traces logs metrics
Must enable AEs to communicate accurately and confidently with customers.

Communication & Collaboration (Very Important)

Strong written and verbal communication skills
Ability to explain complex technical issues clearly and calmly
Comfortable presenting conclusions backed by data
Understands the difference between: facts assumptions and hypotheses
Clear and professional communication during incidents

Nice to Have

Homer/HEP
Redis or message queues
Bash or Python scripting
STIR/SHAKEN fraud detection or call analytics
Strong proficiency in Python for systems automation tooling and data analysis
Advanced Bash/Shell scripting skills for routine operations and troubleshooting

Required Experience:

Manager

VoIP Operations Engineer:We are seeking a VoIP Operations Engineer with hands-on production experience to help operate and scale a carrier-grade voice platform. You will work directly with FreeSWITCH Kamailio SIP carriers and cloud infrastructure owning troubleshooting reliabilit...