Communication Technology Services-posted 2 months ago
$105,000 - $115,000/Yr
Full-time • Mid Level
Remote • Orlando, FL
251-500 employees
Telecommunications

Communication Technology Services (CTS) is one of the largest integrators and managed service providers for enterprise cellular networks in the U.S., specializing in the design, installation and support of Distributed Antenna System (DAS), Small Cell, and 4G/5G Private Wireless Networks for Enterprise. We are seeking a Linux Systems Engineer to support our Data Center Operations team. Although this is a primarily remote position, candidates located near Orlando, FL are highly preferred. This role will have 'full-stack' authority and responsibility across all aspects of the company's Data Center and Customer-Premise deployed computer equipment, to include hardware, Host OS, hypervisor, Guest OS, Orchestration, Applications and monitoring.

  • Support physical and virtual computing environments in a Linux-based data center environment
  • Administration, troubleshooting, and security of CentOS 7 and 9
  • Attach, disconnect, and manipulate iscsi block devices using iscsiadm, LVM, and multipath
  • Create, copy, manage, and monitor virtual guests using Linux KVM virtualization
  • Administer MySQL databases, including replication, clustering, backups, and SQL queries
  • Manage IP networking including IP addressing, subnetting, NAT, routing protocols, Linux iptables, and Linux bridging
  • Extract useful information from various sources including log files and databases and present it in a readable format
  • Participate in a 24x7 on-call rotation
  • Develop Knowledge Base articles and Standard Operating Procedures
  • Investigate, diagnose and resolve production issues as logged by monitoring tools or reported by customers
  • At least 5 years of experience supporting physical and virtual network and computing environments in a Linux-based data center environment
  • Experience with physical and virtual server implementation, operation and maintenance, SAN, NFS, LVM, iscsi, Linux-ha, DevOps, 24x7x365 operations, HP Proliant, HPE Synergy, Dell, SuperMicro
  • Proficient at troubleshooting production issues, solving problems, and implementing updates to production software
  • Understanding of internet protocols including HTTP, DNS, RADIUS, SSH, and SMTP
  • Ability to analyze packet captures to distinguish between protocol level problems and network connectivity issues
  • Experience with writing and troubleshooting Perl, Python or Linux Shell Scripts
  • Experience with OpenNebula virtualization management is helpful
  • Experience with Cacti and Nagios monitoring systems is strongly desired
  • Experience with Virtualization technologies (Linux KVM preferred) is strongly desired
  • Experience with MySQL administration, clustering, replication is strongly desired
  • Experience with Container technologies and supporting tools (e.g., Docker, Kubernetes, Rancher)
  • Experience with Clustering technologies (e.g., PaceMaker)
  • Working knowledge of SAN systems, especially in a ZFS environment
  • Working knowledge of Java application servers including Tomcat, JBoss, and message brokers
  • Good organizational and vendor management skills, including issue tracking and metric reporting
  • Demonstrated experience in effective decision-making within a high-pressure 24x7 environment
  • Strong research, investigation and evaluation skills
  • Ability to identify and clearly communicate problems/support requests to influence prioritization of production defects and/or enhancements
  • Excellent verbal and written communication skills
  • Results-oriented and highly flexible, able to work with minimal supervision
  • Inquisitive self-starter with strong attention to detail
  • ActiveMQ
  • Errigal
  • Mobile carriers/Messaging
  • Deep Packet Inspection products
  • PaceMaker, DRBD
  • ProxySQL
  • Cisco/Fortigate/Mikrotik hardware and software, routing, switching, load balancing, firewalls, IPv4, IPv6
  • Public Cloud migration/administration
  • Medical
  • Dental
  • FSA
  • 401(k)
  • LTD/STD
  • Life Insurance
  • Paid Time Off
  • Paid Holidays
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