Principal Linux Administrator

Unisys

. Provide ongoing systems administration support for Linux environments across multiple locations .

Posted 9/21/2026full-timeRemote • Connecticut • United StatesLeadWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expert-level expertise in Linux systems administration and enterprise infrastructure design, with a strong focus on automation, process intelligence, and aligning systems strategy with business objectives. Proven ability to lead technical teams and provide operational recommendations for system availability and reliability.

Highest-signal resume keywords

Linux Systems AdministrationEnterprise Infrastructure DesignRed Hat LinuxDisaster Recovery PrinciplesHigh-Availability Principles

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Linux Systems AdministrationEnterprise Infrastructure DesignRed Hat LinuxAIXUnixKVMClusteringDisaster RecoveryHigh-AvailabilityAutomation Tools

Soft Skills

Technical LeadershipOperational RecommendationsTeam GuidanceClient CoordinationProblem Solving

Tools & Technologies

VMwareOracle OCIMicrosoft AzureCloud InfrastructureMonitoring and Management Tools

Industry Keywords

Systems AdministrationInfrastructure DesignComplianceAI IntegrationData-Driven Decisions

Tech Stack

Tools & technologies

AzureCloudLinuxOracleUnixVMware

About the role

Key responsibilities & impact

Provide ongoing systems administration support for Linux environments across multiple locations
Install, maintain, and troubleshoot hardware, software, applications, and connectivity components
Provide technical support and advise on programming tools, database systems, and networks
Remediate daily incident tickets and ensure system compliance
Enhance system runs, testing, staging, and policies/procedures
Coordinate client contact and provide operational recommendations addressing Linux system availability and reliability
Play a lead role in shaping Linux systems strategy across the company
Allocate work assignments, ensure workload balance, and provide technical and procedural guidance to less experienced team members
Align systems design and strategy with corporate business requirements and objectives
Initiate and implement automation and process intelligence tools supporting data-driven decisions, efficiency, and AI integration
Apply business and user-community knowledge to systems design, development, and support
Translate long-term business requirements into systems and infrastructure design
Contribute to the design, development, and maintenance of systems administration infrastructure, including operating systems, virtualization platforms, cloud infrastructure, directory and identity services, monitoring and management, middleware, and applications
Provide infrastructure leadership for hardware and software systems support
Advise and consult company-wide on unique, complex, or business-critical issues

Requirements

What you’ll need

U.S. citizenship and U.S. residency required
BA/BS degree and 8+ years of relevant experience OR equivalent combination of education and experience
Master's degree preferred
Expert-level expertise in Linux systems administration and enterprise infrastructure design
Proven ability to lead technical teams and advise across the organization on complex, business-critical issues
Experience with Red Hat Linux, including KVM and clustering
Experience with AIX
Familiarity with Unix
Familiarity with VMware
Required knowledge of disaster recovery (DR) and high-availability (HA) principles, including in cloud environments—Oracle OCI and Microsoft Azure
Eligibility for any required U.S. Government authorizations for access to export-controlled commodities and technology

Benefits

Comp & perks

Equal opportunity employment and consideration without regard to protected characteristics
Reasonable accommodation assistance for US job seekers with disabilities or other barriers
Toll-free recruiting support for accommodation requests