Voice And Network Infrastructure Engineer

Logimeter; Johannesburg; On-site; ZAR 300 000 - 400 000; Full time

Job summary

A tech consulting firm based in Johannesburg seeks a Junior Voice and Network Infrastructure Engineer to maintain and improve the infrastructure ensuring performance and reliability. The role involves daily operations with Voice and SIP, Linux, AWS, and monitoring with various tools. The ideal candidate is proactive, has good troubleshooting skills, and can work under pressure. This is an entry-level full-time position in Information Technology.

Qualifications

• Proactive and dependable with the ability to troubleshoot issues.
• Good communication skills and ability to work in a team.
• Calm under pressure and organized in documenting processes.

Responsibilities

• Maintain and improve the infrastructure used at Logimeter.
• Monitor, maintain, and innovate current systems for efficiency.

Skills

Voice and SIP Fundamentals

Linux & Shell

Basics of TCP / IP, DNS, HTTP / S

Mikrotik knowledge

AWS Basic Operations

Basic understanding of how Apache2 works

Infrastructure Tools & Concepts

Domain experience using Tenants / Google Workspace

SPF, DMARC, DKIM concept

Basic DB Skills

Security Skills

Linux UFW understanding

Mikrotik Firewall understanding

AWS Access list understanding

Job description

Junior Voice and Network Infrastructure Engineer

Logimeter City of Johannesburg, Gauteng, South Africa

Position Overview

As a Junior Voice and Network Infrastructure Engineer, your primary responsibility is to maintain and improve the infrastructure used at Logimeter, supporting the development team as well as the rest of the business.

You will play a crucial role in monitoring, maintaining and improving the current systems, striving to improve performance and availability as well as innovate on current processes to improve efficiencies in teams utilizing the infrastructure.

The successful candidate will be proactive, dependable, able to troubleshoot issues and have good communication skills while working in a team and handling potential business-impacting scenarios.

This role will report directly to the Head of Infrastructure.

Core Skills (Must-Have)

• Voice and SIP Fundamentals (Daily Ops) – Understands Freeswitch or Asterisk LUA, Pearl and SIP based scripting
• Linux & Shell (Daily Ops) – Comfortable in Debian / Ubuntu CLI, understands systemd, journalctl, netstat, lsof, top, htop, etc. Can write / read basic Bash scripts (looping, if conditions, cronjobs)
• Basics of TCP / IP, DNS, HTTP / S, firewalls, SSL / TLS
• Mikrotik knowledge of NAT, policy based routing, destination based NAT, firewall access lists, walled gardens
• AWS Basic Operations – Launch, SSH, and manage EC2 instances, modify and query Route 53 records, IAM basics (least privilege, access keys, and role concepts)
• Basic understanding of how Apache2 works (virtual hosts, mod_wsgi, mod_ssl) – Can reload, debug logs, and look into various errors or service issues of Apache, Django and mod_wsgi for Apache
• Infrastructure Tools & Concepts – Gitlab proficiency (clone, commit, diff, merge, push, pull), understanding of pull requests, GitLab / GitHub pipelines, test pipelines
• Domain experience using Tenants / Google Workspace
• SPF, DMARC, DKIM concept and operational understanding
• Can interpret logs from Apache, PostgreSQL, systemd services; familiar with Prometheus, Grafana, Nagios, CloudWatch, GCP Logging, SNMP Based monitoring, blackbox exporter and SQL
• Basic DB Skills – Connecting to PostgreSQL shell to debug queries / modify roles, run SQL / PSQL queries and tail logs to identify issues. Understands concept of schema, indexes, roles, replication (logical or streaming), PostgreSQL backup procedures and version checking
• Security Skills – Familiarity with Bitdefender would be beneficial, mail security and device policy security
• Linux UFW understanding
• Mikrotik Firewall understanding and ability to implement and update rules
• AWS Access list understanding and ability to implement and update rules

Desirable Technical Skills (Nice to Have)

• CCNA Routing and Switching or equivalent
• Understanding of Python fundamentals
• Bash and cron fundamentals
• Interest in Learning – curiosity to learn and develop skills, eager to ask questions
• Calm under pressure – able to investigate and resolve time critical issues
• Organized – good at documenting processes and problems
• Communicates clearly – can escalare with the right info (logs, symptoms, timestamps)

Seniority level

Entry level

Employment type

Full-time

Job function

Information Technology

Industries

IT Services and IT Consulting

Get notified about new Voice Network Engineer jobs in City of Johannesburg, Gauteng, South Africa.