Junior Systems Administrator – Voice Engineer
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Job Description
Jr. Systems Administrator/Voice Engineer at GrayMatter Networks supporting hospitality communication systems. Maintaining VoIP systems and collaborating with internal teams and customers.
Responsibilities:
- Configure, maintain, and support VoIP and PBX systems in hospitality environments
- Assist with deployment, provisioning, and ongoing maintenance of customer systems
- Monitor voice services, infrastructure alarms, system health, and network performance
- Perform routine maintenance, OS updates, patches, and system checks on deployed systems
- Troubleshoot SIP, VoIP, networking, and infrastructure-related issues
- Support internal Tier 1 and Tier 2 teams with escalated technical issues
- Analyze logs, packet captures, and monitoring tools to identify and resolve issues
- Utilize tools such as Wireshark, VoIP Monitor, and Linux utilities for troubleshooting
- Work closely with hotel IT teams, vendors, and internal staff to implement and support solutions
- Communicate technical information clearly to both technical and non-technical stakeholders
- Participate in remote troubleshooting sessions and technical meetings
- Maintain professionalism during customer interactions and support escalations
- Create and maintain technical documentation related to deployments, configurations, and troubleshooting procedures
- Develop Wiki-based knowledge base articles and technical standards
- Assist with improving operational procedures and technical workflows
Requirements:
- Strong English communication skills — both written and verbal
- Ability to clearly explain technical concepts in a concise and professional manner
- Prior experience working with VoIP, SIP, or PBX technologies
- Strong understanding of SIP and telephony systems including PBXs, call routing, and voice infrastructure
- Experience troubleshooting voice and networking issues using tools such as Wireshark and VoIP Monitor
- Strong technical aptitude in Linux systems and command-line environments
- Familiarity with FreePBX environments and VoIP system administration
- Understanding of networking fundamentals including TCP/IP, VLANs, routing, switching, NAT, and firewall concepts
- Strong understanding of the OSI (Open Systems Interconnection) model and its practical application in troubleshooting and network design
- Strong analytical and problem-solving skills with excellent attention to detail
- Ability to work independently while remaining highly collaborative within a remote team environment
- Ability to manage priorities and adapt in a fast-paced operational environment
- Professionalism, accountability, integrity, and strong ownership mentality
- A Plus to Have Degree in Computer Science, Information Technology, Telecommunications, or a related field is desirable but not mandatory
- Experience with hospitality technology environments or hotel IT systems
- Familiarity with scripting or automation tools such as Bash or Python
- Experience with virtualization platforms, VPN technologies, and monitoring systems
- Familiarity with Linux server administration and system hardening
- Experience working with ticketing systems and remote support platforms
- Network+ and/or Cisco Systems CCNA certifications are highly desirable
- Experience with FreePBX software applications and Sangoma-based solutions.
Benefits:
- Candidates are expected to maintain a professional remote working environment and workstation suitable for customer-facing technical support operations.
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