System administrator in A1 Telecom

We invite for full employment active, communicative and effective candidates for the position of System Administrator!

 This is a job for those , who is not afraid of responsibility, is ready to show results. 

We, the A1Telecom Company, provide our clients with modern corporate telecommunication solutions and systems. We specialize in providing voice communication channels and SMS mailings for call centers and corporate clients. We provide cloud PBX services.

We offer:

• Quick adaptation in the Company , training of the product
• Support from the business owner and colleagues on any issue during work
• Clear and transparentmotivation system
• Opportunity of career growth to the head of the system administration group
• Work format: remote ( availability of a PC/laptop, a stable Internet connection, a headset, a webcam and a separate space for organizing the workplace - must have)
• All necessary tools for collaboration (access to PBX, CRM, mobile/landline number and individual line on which you will make calls)
• Annual paid leave, hospital. Additional/holiday weekend (after the end of martial law and the Victory of Ukraine)

STACK:

Important experience - team management from 1 of the year

• Experience in the administration of servers running Unix-like operating systems and/or network administration from 3 years*.
• Knowledge of the basic principles of work data transmission networks, TCP/IP protocol stack, etc. network protocols, topologies of network construction and algorithms for finding problems in them*;
• Knowledge of the principles of building VPN networks at the software and hardware levels;
• Knowledge of the basic principles of VOIP operation, final VOIP equipment* ;
• Understanding SIP*, H323, RADIUS protocols;
• Practical skills in working with various PBX and SoftSwitch, including Asterisk, FreeSwitch*;
• Experience in troubleshooting complex applications (one-way audibility, RTP loss, jitter, transcoding, DTMF)*;
• Experience with billing systems and DBMS (MySQL, PostgreSQL)*;
• Experience in administration of virtualization systems (VMware ESXI , Proxmox)* and mail servers (postfix);
• Knowledge of the principles of building backup systems;
• Experience with cloud platforms (AWS);
• Work experience with monitoring and data collection systems (Zabbix, Grafana)*;
• Experience writing scripts in one of the languages ​​(PHP, Python) will be a plus.
• Knowledge of English at the level of reading technical documentation.

* mandatory skills

What professional duties await you:

• Management of a team of system administrators
• Administration of network and server infrastructure
• Monitoring the performance of IT infrastructure, solving incidents and preventing their occurrence
• Timelye elimination of problems arising in the operation of the Company's software and technical resources
• Timely updating of the Company's technical and software resources
• Processing of technical requests related to the functionality of VOIP services and services provided .
technologies, testing and implementing them in the work of the Company
• Participation in the implementation of new strategic projects aimed at the development of the Company

Terms of our cooperation with you:

• fixed work schedule: from 9:00 a.m. to 6:00 p.m. Monday-Friday.
• timely payment of wages: rate (20,000-40,000 UAH) ± KPI + bonus. The level of the rate depends on the results of the final interview.

If you want to try yourself in our Company, you need to:

• respond to this vacancy and send your resume with a cover letter about how you can be useful to the Company (e-mail  hr02 a1call.me)
• go through an interview and successfully complete the internship showing your skills as a specialist.