Linux System Administrator

Denver, CO 80211

Posted: 03/30/2020 Employment Type: Direct Hire Category: Linux SysAdmin Job Number: 54077

Job Description


Roles/Responsibilities 

- Setup and maintain server hardware and operating systems. 
- Responsible for installation, configuration and maintenance of network services, equipment and devices. 
- Design, develop, and execute test plan based on software requirements. 
- System Integration responsibility to provide automate and integrate multiple systems. 
- Evaluate and recommend new and emerging products and technologies. 
- Automate operations by writing scripts. 
- Support the NOC and tier 2/3 support organizations.  
- Infrastructure and process documentation. 

 
Basic Qualifications 

- Bachelor' s degree in a related field or equivalent work experience with Linux systems. 
- At least 3-4 years experience in System Administration of Linux servers (Debian and CentOS 7). 
- Experience in troubleshooting server issues related to systems and applications such as Postgres, Nginx, DNS, etc. 
- Experience with system hardening and familiarity with iptables and selinux. 
- Experience with data center servers including blade servers from HP and Dell. 
- Experience with orchestration tools for installation and configuration (e.g. kickstart, salt, ansible) 
- Knowledge of network and web related protocols (e.g. SIP, TCP/IP, REST, BGP). 
- Scripting skills (e.g. Python, Ruby, shell/bash) 
- Excellent written and verbal communications skills 
- Excellent teamwork skills, result oriented and self motivated. 


Desirable skills 

- Comprehensive knowledge of VoIP (SIP) and related rfc’ s. 
- TDM and PSTN experience (SS7, ISDN, etc.). 
- Experience with open source PBX software such as Freeswitch, Asterisk, Kamailio, OpenSips, etc. 
- Experience with DevOps concepts, tools, and pipelines.    
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