Linux [h1.location_city]
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Linux • phoenix az
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Our client is seeking an experienced Senior Linux Administrator to support a mission-critical research environment that directly enables world-class research.
This is a senior individual-contributor...[show_more][last_updated.last_updated_30]
Bachelor’s degree in Computer Science, a related field or equivalent experience is required plus a minimum of 8 years of relevant experience.
or Master's degree plus 6 years of relevant experience....[show_more][last_updated.last_updated_30]
Deliver simple solutions to complex problems as a Unix / Linux SME at GDIT.Here, you’ll tailor cutting-edge solutions to the unique requirements of our clients.
With a career in application developmen...[show_more][last_updated.last_updated_30]
Join a dynamic IT team as a Linux System Administrator in a full-time role where you'll work primarily with Red Hat Enterprise Linux (RHEL) in a secure, enterprise environment.This organization is ...[show_more][last_updated.last_updated_30]
The future is what you make it.Senior Avionics Software Engineer.Honeywell, you will provide technical strength in the design, development, and delivery of secure, high-performance avionics and con...[show_more][last_updated.last_updated_1_day]
Linux & OCI Administrator (Oracle Linux / RHEL).Key Responsibilities Administer and support Oracle Linux systems, including patching and troubleshooting Manage OCI resources such as compute, net...[show_more][last_updated.last_updated_variable_hours]
Red Hat Enterprise Linux Administration.OS and Server Life cycle management.Experience with patching technologies using Satellite, Tanium.
We are seeking an experienced Linux Administrator to join o...[show_more][last_updated.last_updated_30]
Our client, a leading federal defense contractor has multiple openings for Linux and Cloud Application Support Specialists responsible for ensuring virtual machines and applications run successfull...[show_more][last_updated.last_updated_30]
A leading sports technology firm in Phoenix, AZ is seeking an Operational Engineer to support global Broadcast operations.
This full-time role involves travel to various events, resolving technical ...[show_more][last_updated.last_updated_30]
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Linux DevOps Administrator
The Judge GroupPhoenix, AZ[job_card.30_days_ago]
[job_preview.job_type]
- [job_card.permanent]
[job_card.job_description]Systems service management Package management (dnf / yum) Filesystem administration and optimization (ext4, XFS, LVM) Security hardening and compliance (CIS benchmarks, SELinux, firewalld) SSSD and Active Directory realm binding Patch management strategies and execution Kernel, filesystem, and network performance tuning In-depth understanding of the TCP / IP stack and packet flow IPv4 / IPv6 addressing, subnetting, VLSM, and CIDR notation Static and dynamic routing principles (OSPF, BGP, EIGRP experience a plus) Configuration and troubleshooting of DHCP, DNS (including BIND and authoritative / resolver roles), and related services VLANs, trunking (802.1Q), and Layer 2 / Layer 3 switching fundamentals Common network services and protocols (NTP, SNMP, ICMP, ARP, Packet analysis using tools such as tcpdump and Wireshark Administration of NetBox or similar CMDB / IPAM solutions GitLab administration and CI / CD pipeline experience Perl and Python scripting (including REST API integrations) Cohesity backup platform Nutanix AHV and VM management Working knowledge of Active Directory and Windows Server support Familiarity with Atlassian tools (Jira, Jira Service Management, Confluence, JSM Assets) Proactively monitor, maintain, and troubleshoot Linux-based research computing systems serving premier biomedical researchers Provide white-glove, courteous, and clear technical support via ticket system and direct researcher interaction Partner with DevSecOps and InfoSec team members to create, enhance, and harden automation of Linux system management Own and continuously improve Standard Operating Procedures (SOPs) in Confluence Actively participate in weekly Change Control process using Jira Service Management Maintain accurate, real-time infrastructure documentation and asset records in NetBox and JSM Assets; coordinate with Finance for federal grant compliance Track daily tasks, projects, and deliverables in Jira; participate in monthly workload review Collaborate closely with DevSecOps, Network, Windows, HPC and Information Security teams to resolve complex incidents Offer guidance and mentorship to other technical staff to learn Linux system administration and related technologies and skillsets
Position Overview
Our client is seeking an experienced Senior Linux Administrator to support a mission-critical research environment that directly enables world-class research. This is a senior individual-contributor role requiring deep technical expertise in Red Hat Enterprise Linux ecosystems (Rocky Linux, RHEL, CentOS), automation, and operational excellence in a highly collaborative non-profit research setting. This position is located within a group otherwise engaged in management of Windows-based directory services and Nutanix virtual environments, that is transitioning to a more DevSecOps automated operations regime.
Required Qualifications
- Bachelor’s degree in Computer Science, Information Technology, or related field (or equivalent professional experience)
- W2 Only
- 7+ years of hands-on Linux systems administration experience in production environments
- Extensive experience with Rocky Linux and other Red Hat-based distributions
Core Technical Competencies
Expert-level administration of Rocky Linux / RHEL including :
Strong proficiency in core networking concepts and protocols, including :
Monitoring : Nagios / Core administration, check development, and maintenance
DevOps and automation : Ansible (playbook development, inventory management, large-scale automation)
Container technologies (Docker / Podman) – build, optimization, troubleshooting Kubernetes and Red Hat OpenShift experience
Strong scripting capability : Bash, sed, awk, grep (must be able to develop and debug complex scripts)
Preferred Skills & Experience
Key Responsibilities