System Administrator (Onsite)

Essential Duties and Responsibilities:

Server Administration:

• Manage and maintain server infrastructure (Windows and Linux) including installation, configuration, patching, and upgrades.


• Monitor server performance, troubleshoot issues, and implement preventative maintenance.


• Manage virtual server environments (e.g., VMware, Hyper-V).


• Implement and maintain data backup and recovery procedures.

Networking:

• Manage and maintain network infrastructure including routers, switches, firewalls, and VPNs.


• Troubleshoot network connectivity issues.


• Implement and maintain network security measures.


• Configure and maintain network monitoring tools.

VoIP Administration:

• Manage and maintain VoIP phone systems (e.g., RingCentral, Avaya, 3CX).


• Troubleshoot VoIP related issues, including call quality, voice mail, and conferencing.


• Configure and manage VoIP features such as call routing, voicemail, and call recording.


• Integrate VoIP systems with other business applications.

Security:

• Implement and maintain security policies and procedures.


• Monitor security logs and investigate security incidents.


• Manage user accounts and access permissions.


• Install and maintain security software (e.g., antivirus, anti-malware).

Cloud Computing:

• Manage and maintain cloud-based services (e.g., AWS, Azure, GCP).


• Migrate on-premises systems to the cloud.


• Optimize cloud resource utilization.

Documentation:

• Maintain comprehensive documentation of all IT systems and procedures.

Helpdesk Ticket Support:

• Provide technical support to end-users via helpdesk tickets.


• Diagnose and resolve a variety of technical issues related to hardware, software, and network connectivity.


• Escalate complex issues to higher-level support when necessary.

Supervisory Responsibilities:

This job has no supervisory responsibilities.

Competencies: To perform the job successfully, an individual should demonstrate the following competencies:

• Server Administration:
  
  
  
  • Windows Server (all versions)
  
  
  • Linux Server Administration (e.g., Red Hat, Ubuntu, CentOS)
  
  
  • Virtualization Technologies (VMware, Hyper-V)
  
  
  • Active Directory
  
  


• Networking:
  
  
  
  • TCP/IP Protocols
  
  
  • Routing and Switching
  
  
  • Firewall Administration
  
  
  • VPN Technologies
  
  
  • Network Monitoring Tools (e.g., Nagios, Prometheus)
  
  


• VoIP Technologies:
  
  
  
  • SIP (Session Initiation Protocol)
  
  
  • RTP (Real-time Transport Protocol)
  
  
  • VoIP codecs (G.711, G.729, etc.)
  
  
  • Experience with specific VoIP platforms (Cisco, Avaya, 3CX, etc.)
  
  


• Cloud Computing:
  
  
  
  • AWS, Azure, or GCP
  
  
  • Cloud Migration Strategies
  
  


• Security:
  
  
  
  • Cybersecurity best practices
  
  
  • Intrusion Detection Systems (IDS)
  
  
  • Intrusion Prevention Systems (IPS)
  
  
  • Vulnerability scanning and remediation
  
  
  • Data Loss Prevention (DLP)
  
  


• Scripting:
  
  
  
  • PowerShell
  
  
  • Bash/Shell scripting
  
  
  • Python (desirable)
  
  

Non-Technical Competencies:

• Problem-solving and Troubleshooting: Strong analytical and critical thinking skills to diagnose and resolve complex technical issues.


• Communication: Excellent written and verbal communication skills for interacting with technical and non-technical audiences.


• Customer Service: Strong customer service orientation for providing effective support to end-users.


• Teamwork: Ability to work effectively within a team environment and collaborate with other IT professionals.


• Time Management: Ability to prioritize tasks, meet deadlines, and manage multiple projects simultaneously.


• Documentation: Strong documentation skills to maintain accurate and up-to-date records of all system configurations and procedures.


• Proactive Approach: Ability to identify potential problems and implement preventative measures.


• Continuous Learning: A strong desire to learn and adapt to new technologies and industry best practices.

Qualifications:

To perform this job successfully, an individual must be able to perform each essential duty satisfactorily. The requirements listed below are representative of the knowledge, skill, and/or ability required. Reasonable accommodations may be made to enable individuals with disabilities to perform the essential functions.

Education and/or Experience:

May require a bachelor's degree in a related area.

5 years of progressive experience as a System Administrator.

3 years of hands-on experience administering VoIP systems and technologies