Responsibilities

1. Maintaining, monitoring, configuring and troubleshooting Linux servers.
   Installing new software releases, system upgrades, patches
2. Network planning and designing
   (IP subnetting, Connection, Security, Redundancy planning)
3. L2, L3 network equipment configuration
4. Identifying and troubleshooting network connectivity and performance issues
5. Supporting site upgrades, site inspections, site audits, or other site evaluations
6. Configuring and supporting security tools such as iptables, ACLs, etc.
7. Writing and updating system documentation
8. Performing system backups, recovery procedures and disaster recovery plans

Requirements

1. Advanced proficiency in system/network administration on Linux (Ubuntu, Centos)
2. Deep understanding of TCP/IP protocol stack
3. Advanced proficiency in administration of network equipment L2/L3
4. Experience with VPN (OpenVPN, IPSEC) and configuration of redundancy networks (VRRP, STP, LACP)
5. Experience with Nginx, Apache, MySQL, Asterisk
6. Experience with iptables on Linux and ACLs on network equipment
7. Experience with virtualization systems (VMware, XEN, ProxMox, Docker)
8. Experience with monitoring systems: Nagios, Zabbix, etc.
9. Experience in writing scripts (bash, LAMP)
10. Knowledge of SIP, SIGTRAN, SMPP protocols is a plus
11. Knowledge of configuration management systems (ansible) is a plus

Must-have skills

1. Maximum attention to detail and analytical thinking
2. Orientation on research of additional information independently
3. Ability to organize workload taking full responsibility for what you do
4. Ability to provide information clearly and shortly
5. To be friendly and communicative

Benefits of joining Unifun

1. Unlimited opportunities for fast career growth and professional development
2. Dynamic and friendly work environment, lack of bureaucracy that make great things be done easier
3. International team of professionals, open to share their knowledge and best practice with you
4. Professional trainings, English courses

Salary expectations

1. Salary level of an international IT company, revision each 6 months
2. Based on professional experience – any salary level can be discussed

Work conditions

1. Perfect work place in a new office (A-class) across the Jumbo commercial center
2. Coffee machine, fruits, snacks, candy as much as you can eat, regular corporate parties
3. Schedule: Monday-Friday, full time