Senior Infrastructure System Admin Jobs in USA

The Infrastructure Systems Administrator will join the Infrastructure Systems Team and be responsible for maintaining the reliability availability security and performance of enterprise Windows and Linux environments supporting 24/7 operations. This role requires a senior-level systems administrator...

This job is with Encode Inc a fully owned subsidiary of LancesoftJob Description...Oversees system integration hardware and software installation configuration and disposition of servers and workstations to support the architectureProvides complex problem resolution root cause analysis and technical...

This job is with Encode Inc a fully owned subsidiary of LanceSoftRequires Active Full Scope TS/SCI w Full Scope Poly Clearance to startCollaborates in the design of computing delivery systems standards and change management processes. Diagnoses and resolves complex problem and leads root cause analy...

ATTENTION MILITARY AFFILIATED JOB SEEKERS- Our organization works with partner companies to source qualified talent for their open roles. The following position is available toVeterans Transitioning Military National Guard and Reserve Members Military Spouses Wounded Warriors and their Caregivers. I...

Link Solutions is seeking a Senior Infrastructure Engineer to support the Army Research Laboratory (ARL) Information Technology Modernization and Support Services program in Adelphi Maryland.Active Secret Clearance preferred Bachelors degree in Information Technology Computer Science Engineering or...

Linux System Admin Houston USA Job Summary Experienced candidate who has experience in Linux System Administrator in Network Management & Compliance and Data Center Hardware knowledge with Strong Debugging and Server hardware Storage Configuration Skill with Networking equipment and associate hardwa...

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Job Description/ Responsibilities Oversees the installation upgrade configuration monitoring andmaintenance of the Z/OS operating system. Maintains knowledge of all Z/OS utilities and tools (HCD SMP/E RACFTCP/IP SMTP FTP DFDSS DSF SMS Infoprint TLS VTAM) Maintains knowledge of SERVER pack installs a...

Engagement TypeContract Short DescriptionMaximum Vendor Submittal Rate is $54.12/hr.Please submit candidates by 4 pm on Wednesday October 21 2026 by 4 pm ET.Complete DescriptionRequired experience as a Systems Administrator creativity and multi-tasking to independently and collaboratively achieve de...

You know how to support technology. Now you want to build it. Systech is looking for an experienced Systems Engineer who can take ownership of complex technical work across a wide range of business environments. This isnt simply the next level of Help Desk. Our Systems Engineers design implement mig...

You know how to support technology. Now you want to build it. Systech is looking for an experienced Systems Engineer who can take ownership of complex technical work across a wide range of business environments. This isnt simply the next level of Help Desk. Our Systems Engineers design implement mig...

Title: System Administrator 3 Location: Vancouver WA (Onsite) Duration: 12-month Contract (with possible extensions up to 5 years) Pay Range: $61.29 $64.52 per hour Supports cybersecurity vulnerability management through network application and system assessments. Identifies and analyzes security vu...

Working at the Naval Nuclear Laboratory we foster pride in belonging to an organization whose culture is made up of these core values: Trust Empowerment and Collaboration. Our company promotes a positive culture while ensuring the safety and reliability of our nations naval nuclear reactors and trai...

Enterprise Solutions and Management (ESM) is a rapidly growing government contractor that provides strategic IT services that meet mission needs for Defense and Federal customers. We are hiring a System Administrator- Senior to support an enterprise-level program within a federal environment.Job Des...

Enterprise Solutions and Management (ESM) is a rapidly growing government contractor that provides strategic IT services that meet mission needs for Defense and Federal customers. We are hiring an Senior System Administrator to support an enterprise-level program within a federal environment.Job Des...

Leidos is seeking an experienced Linux Systems Engineer to provide support to a mission critical enterprise identity and access management system. A successful candidate will develop an understanding of the services offered to external organizations provide lifecycle systems engineering support to d...

Torch TechnologiesThank you for your interest in employment with Torch Technologies. We are a 100% employee-owned Certified Great Place To Work and named Best Places to Work in Huntsville/Madison County headquartered in Huntsville AL. Our team provides superior research development and engineering s...

Job Title: (System Administrator 2)About Kyyba:Founded in 1998 and headquartered in Farmington Hills MI Kyyba has a global presence delivering high-quality resources and top-notch recruiting services enabling businesses to effectively respond to organizational changes and technological advances.At K...

Job Title: Cloud Infrastructure Systems AdministratorJob Category: Information TechnologyTime Type: Full timeMinimum Clearance Required to Start: SecretEmployee Type: RegularPercentage of Travel Required: Up to 10%Type of Travel: Local* * *The Opportunity:Join a dynamic fast-paced Agile development...

Job Title: AWS Cloud System AdministratorJob Category: Information TechnologyTime Type: Full timeMinimum Clearance Required to Start: SecretEmployee Type: RegularPercentage of Travel Required: NoneType of Travel: None* * *The Opportunity:CACI is seeking a Systems Administrator Hybrid Cloud to suppor...