Sr Voice Engineer

Company Profile

Clien is an award winning, innovative, and exclusively business-focused Internet Service Provider, committed to bringing its customers throughout New Zealand and Australia the best possible online experience.

We provide services to an eclectic group of clients, ranging from some of the largest Government departments and publicly listed companies in Australasia, through to the SMEs that underpin our economies. We tailor solutions to suit, with individualized pre-sales planning, excellent post sales implementation and dedicated account management.

Job Description

Were looking for a highly skilled member to join our team as a technical expert in the area of voice complex operating systems.

Assist in the redesign and configuration of voice systems and voice applications.

Investigates and analyzes feasibility of system requirements and develops system specifications.

Working 8:30am 5pm Monday to Friday, key duties include:

• Standard day-to-day (BAU) voice core level 3 service operation
• Analyze and translate business requirements into engineering, design, and technical specifications to support customer and internal voice systems.
• Ability to make decisions to voice network issues to ensure cohesiveness
• Detailed Fault Recording and Incident management
• Vendor management
  • Core soft-switch management with vendor
  • Management with SIP trunk (voice) vendors (for inbound/outbound) including capacity planning and DDI management
• Detailed Call Tracing as required for Tier 1 support staff
• Ensure sufficient monitoring graphing of all key systems
• Daily reviews of system logs, monitoring alerts and graphs to ensure smooth capacity growth and operation
• Delivers results in support of achieving the organizations Service Level Agreements.
• Provides feedback to Vendor Management on the positives/negatives of approved vendors/supplier Ensure sufficient monitoring graphing of all key systems
• Being part of out of hour call cycle and escalation process

Requirements Technology/Skills

• Minimum 5+ years' experience in a similar role within the industry required
• Advanced Linux System Administration skills, specifically CentOS, in a fully virtualized environment
• Asterisk
  • Thirdlane multitenant
  • Elastix/FreePBX
  • Asterisk CLI and AMI
  • Asterisk Scripting
  • Asterisk Log Management
  • Audio file conversion
  • Detailed console management and call routing analysis

• Opensip
  • Scripting and management as an SBC routing engine
  • Opensip Logs Management

• Freeswitch
  • Support as an SBC media server /voice routing engine
  • Enterprise support
  • Freeswitch Logs Management

• MYSQL
  • Integration and support across many systems

• Vendor management
  • Core soft-switch management with vendor
  • Management with SIP trunk (voice) vendors (for inbound/outbound) including capacity planning and DDI management

• Networking
  • TCP/IP
  • Good working knowledge of VLANs and ability to support
  • iptables (Linux)
  • ipfw (FreeBSD)

• Logging/Tracing/Monitoring
  • SIP tcpdump PCAP detailed analysis including use of tools such as captagent/homer, wireshark
  • Cacti
  • Nagios and related scripting
  • Log management

• OS Support
  • Centos 5 and 6
  • FreeBSD (mainly vendor supported but knowledge required)
  • Debian (occasional)
• Virtual Environment Support (VMware) Advantageous skills:
• Knowledge of Voice SP architecture and operations
• Git source code management
• Advanced networking skills