CrawlJobs Logo
ClearBridge Technology Group Logo ClearBridge Technology Group · IT - Administration

Senior Linux Systems Administrator – Datacenter Infrastructure

United States, Somerset Contract work 49.50 - 81.25 USD / Hour · Job Posted December 07, 2025
Apply Position
Job Link Share

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
ClearBridge Technology Group - All Job Offers

Looking for more opportunities?

Search for other job offers that match your skills and interests.

Suggested Tags: Frontend Developer Secretary Talent Manager Salesforce Administrator Data Analyst
Similar Jobs for

Senior Linux Systems Administrator – Datacenter Infrastructure

8 matching positions

New

Senior Infrastructure & Cloud Engineer

We are looking for a Senior Infrastructure & Cloud Engineer to join our Infrastr...
Location
Location
Spain , Madrid
Salary
Salary:
Not provided
https://feverup.com/fe Logo
Fever
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • Professional working proficiency in English (C1 or higher) — mandatory
  • Professional working proficiency in French (C1 or higher) — mandatory
  • Ability to communicate effectively with international and French-speaking stakeholders, both written and verbal
  • Ability to create and maintain technical documentation in both languages
  • 5+ years of hands-on experience in Infrastructure Engineering, Systems Engineering, Cloud Engineering, or similar roles
  • 3+ years of production experience working with AWS environments
  • Proven experience designing, implementing, and operating hybrid cloud architectures
  • Previous experience in a senior-level position, leading technical initiatives and mentoring engineers
  • Experience working in international and multicultural environments
  • Strong knowledge of core AWS services: EC2, VPC, S3, IAM, RDS, Route 53, CloudFront, ELB / ALB
Job Responsibility
Job Responsibility
  • Design, deploy, and maintain secure, scalable, and resilient infrastructure across AWS and on-premise environments
  • Lead the implementation and optimization of hybrid cloud architectures
  • Manage and optimize AWS services including EC2, VPC, S3, IAM, RDS, Route 53, CloudFront, ECS, EKS, Lambda, API Gateway, and Step Functions
  • Design and operate secure connectivity solutions between cloud and datacenter environments using AWS Direct Connect, Transit Gateway, VPNs, and VPC Peering
  • Manage Linux and Windows-based infrastructure platforms and associated services
  • Administer virtualization platforms such as VMware vSphere, ESXi, Hyper-V, or KVM
  • Manage enterprise storage environments, including NetApp solutions, backup, replication, and disaster recovery strategies
  • Implement Infrastructure as Code using Terraform and/or CloudFormation
  • Develop automation and operational tooling using Python, Bash, and PowerShell
  • Build and maintain CI/CD pipelines to support infrastructure and platform deployments
What we offer
What we offer
  • 40% discount on all Fever events and experiences
  • Home office friendly anywhere in Spain
  • Responsibility from day one and professional and personal growth
  • Great work environment with a young, diverse team of talented people to work with
  • Health insurance and other benefits such as Flexible remuneration with a 100% tax exemption through Cobee's platform
  • English Lessons
  • Gympass Membership
  • Possibility to receive in advance part of your salary through Payflow
  • Attractive compensation package consisting of base salary and the potential to earn a significant bonus for top performance
  • Fulltime
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 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
New

Senior Software Development Engineer

Support development and deployment of diagnostic tests that validate AMD Data Ce...
Location
Location
Singapore , Singapore
Salary
Salary:
Not provided
amd.com Logo
AMD
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • Proven experience with software development or test engineering experience
  • Proven experience with hardware/silicon validation or manufacturing test environments
  • Hands-on debugging and root cause analysis in low-level hardware/software systems
  • Experience with server or datacenter systems architecture
  • Understanding of silicon validation processes and test methodologies
  • Familiarity with manufacturing workflows and production test environments
  • Knowledge of server architectures (BMC, firmware, system integration)
  • Experience with GPU/accelerator performance metrics including computational throughput, memory bandwidth, power efficiency, thermal characteristics, and whole-system performance
  • Background in AMD GPU or CPU technologies is a plus
  • Strong proficiency in Python and C++
Job Responsibility
Job Responsibility
  • Support development and deployment of diagnostic tests that validate AMD Data Center GPU products at all test stages, from silicon screening to server rack assembly
  • Design and implement diagnostic tests for AMD silicon and server platforms
  • Develop test automation frameworks and infrastructure
  • Debug test failures and hardware issues across production stages
  • Optimize test coverage and execution time
  • Lead root cause analysis and debug efforts for failures on production systems, often in time-sensitive and urgent scenarios
  • Interface with silicon design, firmware, performance, systems integration, and manufacturing teams to investigate and resolve issues
  • Support manufacturing partners in test bring-up and issue resolution
  • Coordinate test deployment schedules and deliverables
  • Track and report on test coverage, quality metrics, and production readiness
  • 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

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

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
New

Customer Resolutions Team Leader

Location
Location
Australia , Tempe
Salary
Salary:
Not provided
https://www.ikea.com Logo
IKEA
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • The ability to deliver an exceptional customer experience by building and leading a high-performing, competent customer resolutions team that engages with customers in all channels
  • Previous leadership experience, leading people and working within a team
  • Strong time management skills. You can prioritise and delegate work for yourself and your team, ensuring organisational excellence
  • A problem-solving mindset, with an attitude where no task is too difficult to overcome
  • Previous experience working in a high volume, dynamic & fast paced environment
  • Strong communication skills with the ability to adjust your communication style based on the platform or receiver
  • Good knowledge of change management and understanding of key factors for a successful change initiative
  • Proficiency in decision-making and taking responsibility for customer issues.
Job Responsibility
Job Responsibility
  • Working collaboratively within our operations team whilst leading, coaching, and motivating your own team of co-workers
  • Ensuring your team are knowledgeable, competent, and inspired to provide exceptional customer service
  • Supporting IKEA to exceed our customer expectations by securing a fast and easy customer experience. You will facilitate this through delivery of high performing, efficient, and quality contacts in the different remote customer meeting points
  • Handling conflict and providing constructive feedback. You will be instrumental in refining and updating working processes and will be proactive in building relationships with stakeholders to secure customer centricity
  • Understanding the needs of our customers and have the confidence to support all their needs throughout their shopping journey at IKEA.
What we offer
What we offer
  • 5 weeks’ Paid Annual Leave
  • Paid Parental Leave
  • Family & Community Leave
  • 24/7 access to our Employee Assistance Program for health and wellbeing support
  • 15% Co-worker discount
  • Low-cost nutritious meals including complimentary drinks in our Co-worker restaurant
  • Free Co-worker parking
  • Free benefits membership (savings and discounts on everyday expenses, entertainment, retail and well-being offers across hundreds of retailers and service providers)
  • Bonus programme (where eligible)
  • Co-worker Loyalty programme (extra contribution to your superannuation fund where eligible)
  • Fulltime
Read More
Arrow Right