Linux Systems Engineer

Communication Technology Services•Orlando, FL

9d•$105,000 - $115,000•Remote

About The Position

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.

Requirements

The ideal candidate has at least 10 years of experience supporting physical and virtual network and computing environments, in a Linux-based data center environment
Relevant experience would include 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.
Analyzing packet captures to distinguish between problems at the protocol level vs. network connectivity
Experience with writing and troubleshooting Perl, Python or Linux Shell Scripts required
Good organizational and vendor management skills, inclusive of issue tracking, metric reporting, etc.
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 in order to influence the 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
Ability to work outside of normal business hours when needed
Ability to travel on an as needed basis when required, perhaps quarterly
4 Year Technical Degree (Example: BSCS, BSEE, etc.) or equivalent workplace experience.

Nice To Haves

Experience with OpenNebula virtualization management helpful
Experience with Cacti, Nagios, Prometheus, Grafana monitoring systems strongly desired
Experience with Virtualization technologies (Linux KVM preferred) strongly desired
Experience with MySQL administration, clustering, replication strongly desired
Experience with Container technologies and supporting tools (eg Docker, Kubernetes, Rancher)
Experience with Clustering technologies (eg PaceMaker)
Working knowledge of SAN systems, especially in a ZFS environment
Working knowledge of Java application servers including Tomcat, JBoss, and message brokers
ActiveMQ
Ansible
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

Responsibilities

This role is responsible for supporting physical and virtual computing environments, in a Linux-based data center environment
RedHat/CentOS/Rocky - Administration, troubleshooting, and security of CentOS 7 and 9 Linux
iscsi Attaching, disconnecting, and manipulating iscsi block devices using iscsiadm, LVM, and multipath
Linux KVM virtualization Creating, copying, management, and monitoring of virtual guests
MySQL Database Administration, Replication, Clustering, backups, and SQL queries.
IP networking IP addressing and subnetting, network address translation, routing protocols, Linux iptables, Linux bridging
Data munging Extracting useful information from various sources including log files and databases then presenting the data in a machine or human 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 as reported by customers