CrawlJobs Logo

Senior Linux Systems Administrator – Datacenter Infrastructure

clearbridgetech.com Logo

ClearBridge Technology Group

Location Icon

Location:
United States , Somerset

Category Icon
Category:
IT - Administration

Job Type Icon

Contract Type:
Contract work

Salary Icon

Salary:

49.50 - 81.25 USD / Hour
Save Job
Save Icon
Apply Position

Job Description:

The consultant will oversee a robust estate of over 2,500 Red Hat Enterprise Linux (RHEL) systems deployed on HPE ProLiant hardware, supporting high-performance environments in multiple datacenters. The client is embarking on transformative infrastructure initiatives.

Job Responsibility:

  • Lead advanced administration, configuration, and performance optimization of Red Hat Enterprise Linux (RHEL) systems
  • Design and manage RHEL KVM virtualization environments, including provisioning, troubleshooting boot issues, and fine-tuning for optimal performance
  • Oversee lifecycle management of HPE ProLiant hardware, including upgrade analysis, firmware upgrades, component replacements, and remote diagnostics via iLO
  • Design and execute robust processes for infrastructure patching, reboot orchestration, and content lifecycle management
  • Administer and enhance security posture through deployment and maintenance of EDR and SIEM agents, ensuring compliance with CVE remediation SLAs
  • Analyze and resolve kernel-level system bottlenecks and network latency, delivering actionable performance tuning strategies
  • Manage HPE storage platforms (Primera, Alletra), including SAN zoning, volume provisioning, LVM configuration, and fiber channel switch operations
  • Maintain critical datacenter services: NTP/Chrony, Elastic Stack, Puppet, Cobbler, Rundeck, Squid Proxy, DNS, and Postfix
  • Implement proactive monitoring using tools such as Nagios/Naemon, Prometheus, and PRTG, ensuring high availability and rapid incident response
  • Develop and maintain automation frameworks using Ansible, Python, Perl, and shell scripting to streamline operational workflows
  • Respond to service requests and incident tickets with precision, adhering to rigorous change management and production protocols
  • Provide detailed procedural documentation and remote guidance for external datacenter teams across geographically distributed locations

Requirements:

  • Minimum 10 years of hands-on experience in enterprise-level Linux system administration and technical operations
  • Prior experience in financial services
  • Proven expertise in RHEL 7/8, including deep familiarity with KVM virtualization and system internals
  • Advanced knowledge of HPE ProLiant server architecture, diagnostics, and lifecycle management
  • Demonstrated proficiency in security operations, including EDR/SIEM agent management and vulnerability remediation
  • Experience with HPE SAN technologies, including fabric zoning, Primera/Alletra storage systems, and fiber channel networking
  • Working knowledge of Puppet and Cobbler for configuration and provisioning automation
  • Proficient in scripting languages: Python, Perl, and Bash
  • capable of developing scalable automation solutions
What we offer:
  • Excellent benefits and compensation packages
  • Additional compensation provided for bi-monthly Saturday production rollouts

Additional Information:

Job Posted:
December 07, 2025

Employment Type:
Fulltime
Work Type:
Hybrid work
Icon
ClearBridge Technology Group - All Job Offers
Job Link Share:
Copy Link Icon
Facebook Icon Twitter Icon LinkedIn Icon

Looking for more opportunities? Search for other job offers that match your skills and interests.

Briefcase Icon

Similar Jobs for Senior Linux Systems Administrator – Datacenter Infrastructure

DevOps Engineer - Bare Metal Infrastructure

Join our growing team at There’s An AI For That, an innovative platform dedicate...
Location
Location
Romania , Bucharest
Salary
Salary:
Not provided
There's An AI For That
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • Senior-level experience with Linux systems administration
  • Hands-on experience managing bare metal servers (dedicated servers hosted in datacenters)
  • Solid understanding of networking fundamentals (TCP/IP, DNS, firewalls, load balancing)
  • Experience with infrastructure automation (Ansible)
  • MySQL experience (backups, scaling, performance tuning)
  • Redis experience (data structures, backup strategies, clustering)
Job Responsibility
Job Responsibility
  • Manage, maintain, and optimize Linux servers running on bare metal infrastructure (rented from professional datacenters)
  • Design, operate, and scale bare metal systems for compute, storage, and networking
  • Automate infrastructure and operational tasks using Ansible and scripting (Bash / Python)
  • Build and maintain CI/CD pipelines to support development and production workflows
  • Monitor system performance, availability, and reliability
  • Implement backup, recovery, and high-availability strategies
  • Collaborate closely with engineering teams to support production systems and internal tools
  • Ensure infrastructure security, stability, and documentation best practices
What we offer
What we offer
  • Private health insurance package with Regina Maria medical network
  • Daily lunch covered by the company, delivered to the office
  • A stable, on-site role with real technical ownership and architectural impact
  • A collaborative and supportive work environment
  • The opportunity to work hands-on with real bare metal infrastructure in a fast-growing AI platform
  • Access to emerging technologies and continuous learning opportunities
  • Fulltime
Read More
Arrow Right

Cloud Infrastructure Engineer

This position ensures installation, upgrade, change control, real-time monitorin...
Location
Location
United States , Trenton
Salary
Salary:
Not provided
dashtechinc.com Logo
Dash Technologies
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • Bachelor’s Degree in Information Systems, Information Technology, Engineering, and/or related discipline (or additional three (3) years' directly related experience in lieu of a degree)
  • Minimum of five (5) years' of directly related experience
  • Comprehensive knowledge of Microsoft Server technologies 2016, 2019, 2022 including installation, support and management
  • Comprehensive knowledge of Linux server environments and OS installation & management
  • Comprehensive knowledge of most aspects of IT design & administration for on-prem, private cloud and public cloud solutions
  • Comprehensive experience with multiple toolsets and technologies: Microsoft Active Directory, Microsoft Exchange, Microsoft Office 365, Windows Severs, Linux Servers, AWS SysOps, VMware vSphere (ESXi)/NSX, Dell Hardware, Rubrik, Solarwinds monitoring, Azure, AWS, other Cloud based computing
  • Comprehensive knowledge of fundamental networking/distributed computing environment concepts, such as TCP/IP, DNS and DHCP
  • Comprehensive knowledge of DevOps toolsets, such as GitHub, Terraform and Ansible
  • Strong analytical skills and experience
  • ability to recognize, analyze and solve complex problems
Job Responsibility
Job Responsibility
  • Serve as a primary resource for the design, administration and monitoring of our physical and cloud-based Infrastructure systems and technologies
  • Maintain understanding of future direction of technologies and products for application or IT systems supported
  • Analyze, administer, modify, configure and lead patch management for multiple, complex, and/or advanced operating systems
  • Design, implement and provide real time support and updates for servers and datacenters
  • Plan or support all phases of moderately complex projects
  • Implement consistent project management processes and standards for area of specialization
  • Provide project cost estimates for consideration in functional budget
  • Provide input to planning groups on the impact of prospective upgrades and work effort required
  • Perform impact analysis of new or expanding systems and coordinate with personnel to determine upgrades necessary to meet service level requirements
  • Ensure a high degree of accuracy, coordination and administration of respective data centers, systems and applications
  • Fulltime
Read More
Arrow Right

Senior Oracle Database Administrator

The Department of Children and Youth (DCY), Office of Information Services (OIS)...
Location
Location
United States , Columbus, Ohio
Salary
Salary:
Not provided
oceanbluecorp.com Logo
Ocean Blue Solutions
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • Must be very dependable and experienced ORACLE DBA to manage complex systems like Ohio SACWIS system which uses ORACLE (runs on UNIX with RAC architecture) as the database
  • PL/SQL experience
  • Transparent Data Encryption experience
  • database partitioning experience
  • Shell scripting
  • experience with Oracle Data Guard
  • experience with other database platforms, including Azure Cloud platform
  • experience with DevOps tools (Ansible, Jenkins, Nexis, Mavin, Bitbucket, Kony Mobile, Nginx etc.)
  • experience with virtualized infrastructure running various Unix, Linux, and AIX operating systems
  • ability to provide technical leadership and work guidance to less experienced personnel
Job Responsibility
Job Responsibility
  • Provide DBA support for distributed servers in a multi-datacenter environment
  • Monitor daily activities and performance of complex application environments, analyze technical problems, recommend adjustments, create and implement approved solutions using established tools and techniques
  • Provide technical assistance to the application development area and co-workers about database design and programming
  • Develop technical documents, project plans and tasks, interact with customers for proposed solutions
  • Provide non-production and production support for deploying code and assist in trouble shooting and resolving application issues
  • Support DevOps tools
  • Any other tasks assigned by the management team based on project/application needs
  • Provide technical Tier III support, develop project plans with project manager, or recommend approach through defining tasks
  • Lead meetings relating to design, implementation, operation, and ongoing maintenance of databases systems
  • Design/plan cluster nodes hardware selection and recommendations, configure/set-up cluster nodes, set-up interconnects, and configure cluster-aware storage
Read More
Arrow Right

Senior Systems Engineer

The Senior Systems Engineer will perform all administration and engineering task...
Location
Location
United States , Washington
Salary
Salary:
Not provided
nttdata.com Logo
NTT DATA
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • Minimum 10 years of experience to include 5 years of experience in a Systems Engineering role
  • Bachelor’s degree, or higher, in Computer Science, Software Engineering or a related field
  • Minimum 1 year of experience supporting projects with advanced IT technologies: Cloud Computing (Private, Public, and Hybrid), virtualization, software defined networking, software defined datacenters, Service-Oriented Architectures, datacenter architectures, or web services
  • Ability to obtain a Public Trust Clearance
Job Responsibility
Job Responsibility
  • Designing, deploying, and supporting both on-premises and cloud infrastructure for the client's Help Desk
  • Hardening, securing, and automating the deployment of both Windows and Linux operating systems
  • Understanding networking and core Internet protocols
  • Providing Tier 3 support for a range of client-facing applications and infrastructure components, including Windows Server, SQL, SharePoint, virtualization software, AWS, and Azure
  • Working directly with systems administrators and engineers to create network and system designs
  • Managing backup and recovery strategies
  • Participating in disaster recovery planning
  • Fulltime
Read More
Arrow Right

Senior Platform Engineer

We're looking for a Senior Platform Engineer with 6+ years of experience to join...
Location
Location
India , Bengaluru
Salary
Salary:
Not provided
adyen.com Logo
Adyen
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • 6+ years of experience
  • Advanced skills in system administration, networking (TCP/IP, DNS, routing, firewalls), and security fundamentals
  • Comfortable troubleshooting complex issues across the stack
  • Hands-on experience with Kubernetes at scale, cluster operations, networking, troubleshooting
  • Familiarity with HashiCorp tools (Terraform, Consul, Nomad, Vault) and GitOps workflows (ArgoCD)
  • Advanced Bash proficiency
  • Intermediate-to-advanced skills in Python or Go
  • Ability to build production-quality tooling and automation
Job Responsibility
Job Responsibility
  • Design, implement, and maintain container orchestration (Kubernetes), traffic management (HAProxy, DNS/Anycast), and supporting infrastructure across our global private cloud
  • Develop tooling and automation that improves provisioning, configuration management, and operational workflows, enabling self-service for engineering teams and reducing manual effort
  • Own the availability and performance of critical platform systems, participate in on-call rotations, and drive incident response and postmortem processes that continuously improve our operational posture
  • Work closely with platform engineers in Amsterdam, Chicago and Singapore, contributing to a global team that operates 24/7 infrastructure across multiple regions and datacenters
  • Contribute to architectural decisions, evaluate new technologies, and help drive platform modernization initiatives — including migration strategies, multi-region resilience, and infrastructure standardization
Read More
Arrow Right

Receptionist

We are looking for a detail-oriented Receptionist to join our team in Miami, Flo...
Location
Location
United States , Miami
Salary
Salary:
Not provided
https://www.roberthalf.com Logo
Robert Half
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • Proficiency in using a multi-line phone system for managing calls
  • Strong customer service skills with the ability to handle inquiries professionally
  • Experience in data entry with attention to detail and accuracy
  • Ability to communicate effectively through email correspondence
  • Excellent interpersonal skills to interact with staff and visitors
  • Competence in Microsoft Excel, Outlook, and Word for administrative tasks
  • Organizational skills to manage files and maintain office order
  • Capability to schedule appointments and coordinate meetings efficiently
Job Responsibility
Job Responsibility
  • Oversee access to the office, ensuring security and proper protocols are followed
  • Manage the stocking and organization of supplies in the kitchens to maintain efficiency
  • Maintain the cleanliness and orderliness of the office environment to ensure a neat appearance
  • Handle incoming phone calls using a multi-line phone system, providing courteous and efficient service
  • Assist with scheduling appointments and coordinating meetings as needed
  • Perform accurate data entry tasks to support administrative functions
  • Organize and maintain files, ensuring easy accessibility and proper documentation
  • Communicate effectively via email to address inquiries and provide information
  • Execute various ad hoc projects and tasks as assigned to support office operations
What we offer
What we offer
  • medical, vision, dental, and life and disability insurance
  • eligible to enroll in our company 401(k) plan
Read More
Arrow Right

Psychiatrist

Astrya Global, a San Diego–based medical staffing agency, is hiring Psychiatrist...
Location
Location
United States , San Bernardino
Salary
Salary:
Not provided
astryaglobal.com Logo
Astrya Global
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • Active CA licensure
  • Board certification
  • Active CA DEA
  • New graduates eligible
Job Responsibility
Job Responsibility
  • Evaluate and diagnose mental health disorders
  • Develop and implement treatment plans
  • See 15+ patients per day completing initial and follow up appointments
  • Prescribe and refill medications
  • Collaborate with up to 4 NPs as needed
What we offer
What we offer
  • Malpractice Insurance
  • Weekly pay
  • Full-service credentialing and licensing department
  • Dedicated corporate travel team with airfare, car rental and hotel booking
  • Referral Bonus up to $5,000
  • Fulltime
Read More
Arrow Right

Cook

Boston Pizza Cooks are the engine of the entire restaurant! They are responsible...
Location
Location
Canada , Campbell River
Salary
Salary:
17.85 - 22.00 CAD / Hour
bostonpizza.com Logo
Boston Pizza
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • Collaborative
  • Team Player
  • Multi Tasker
  • Self-Starter
  • Detail Oriented
  • Efficient
Job Responsibility
Job Responsibility
  • Creating delicious menu items perfectly every time for every guest
  • Ensuring Guests have an excellent Boston Pizza experience from start to finish
  • Championing a fun and safe work environment
  • Contributing to a thriving workplace culture
  • Works alongside their team members
  • Builds relationships by finding common ground and working cohesively with all team members
  • Committed to championing the 'Heart of Hospitality', Boston Pizza's Brand Standards and Food Safety
  • Dedicated to providing Perfect Food Every Time to our Guests
  • Maintains composure and thrives in a fast pace environment
  • Works with a sense of purpose and always prioritize Guest’s orders
What we offer
What we offer
  • Flex scheduling, days or nights
  • A discount on Canada's best gourmet pizza
  • A company entrenched in community service with opportunities to give back
  • Staff parties, pizza recipe contests etc
  • Work as part of an amazing team
  • BPI Scholarship Awards
  • Flexible scheduling that fits your lifestyle and contributes to your life-work balance
  • Exciting opportunities for career growth within the restaurant or at Boston Pizza head office
  • Build relationships and give back to your local community
  • Boston Pizza Scholarship Program
Read More
Arrow Right
Remote jobs Jobs by Category
Art and Entertainment Jobs Banking Jobs Call Center Jobs Construction Jobs Consulting Jobs Customer Service Jobs Education Jobs Energy Jobs Finance Jobs Gastronomy Jobs Health and Beauty Jobs Hospitality and Tourism Jobs Human Resources Jobs Insurance Jobs IT - Administration Jobs IT - Software Development Jobs Legal Jobs Logistics Jobs Manufacturing Jobs Marketing, Digital Marketing, SEO, SEM Jobs Media Jobs Nursing Jobs Office Administration Jobs Pharmacy Jobs Physical Work Jobs Public Relations Jobs Public Sector Jobs Purchasing Jobs Quality Control Jobs Real Estate Jobs Research and Development Jobs Sales Jobs
Job Positions Jobs by Country
United States Jobs United Kingdom Jobs India Jobs Canada Jobs Australia Jobs Germany Jobs Ireland Jobs Poland Jobs
Company
Blog Salaries Tools About Us FAQ Contact
Follow Us
Facebook
X (Twitter)
LinkedIn
Instagram
CrawlJobs Group
ITFlashcards AllDevBlogs
© 2026 CrawlJobs Ltd. All Rights Reserved
Terms & Conditions Privacy Policy