windows/linux system administrator Jobs

181 - 200 of 4,429 Jobs

System DevOps Administrator (Onsite)Job Title - System DevOps Administrator (Onsite)

RTX CorporationCompany Name - RTX Corporation

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St. Petersburg, Florida, USA

Full-time

Date Posted: 2025-04-16 Country: United States of America Location: FL915: St. Petersburg - Bldg D 7401 22nd Ave N. Building D, St. Petersburg, FL, 33710 USA Position Role Type: Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirements: Security Clearance: DoD Clearance: Secret This critical role in Digital Technology is an exciting opportunity to join our growing DevOps and Classified Engineering Solutions organization as a System DevOps Administrator. The primary responsibility fo

Mainframe System Administrator ApprenticeJob Title - Mainframe System Administrator Apprentice

IBMCompany Name - IBM

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West Virginia, USA

Full-time

Introduction At IBM, work is more than a job - it's a calling: To build. To design. To code. To consult. To think along with clients and sell. To make markets. To invent. To collaborate. Not just to do something better, but to attempt things you've never thought possible. Are you ready to lead in this new era of technology and solve some of the world's most challenging problems? If so, lets talk In this role, you'll work in one of our IBM Consulting Client Innovation Centers (Delivery Centers),

System Administrator IJob Title - System Administrator I

General Dynamics Information TechnologyCompany Name - General Dynamics Information Technology

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Maryland, USA

Full-time

Type of Requisition: Regular Clearance Level Must Currently Possess: Top Secret SCI + Polygraph Clearance Level Must Be Able to Obtain: Top Secret SCI + Polygraph Public Trust/Other Required: None Job Family: Systems Administration Job Qualifications: Skills: Communication, Information Technology (IT), Network Components, Operating Systems (OS), Troubleshooting Certifications: None Experience: 4 + years of related experience ship Required: Yes Job Description: Provides support for implem

Systems Administrator (Trillium, Unix, Linux and Tomcat)Job Title - Systems Administrator (Trillium, Unix, Linux and Tomcat)

SAICCompany Name - SAIC

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Ashburn, Virginia, USA

Full-time

Job ID: 2504336 Location: ASHBURN, VA, US Date Posted: 2025-04-07 Category: Software Subcategory: SW Engineer Schedule: Full-time Shift: Day Job Travel: Yes, 10 % of the Time Minimum Clearance Required: None Clearance Level Must Be Able to Obtain: Public Trust Potential for Remote Work: Yes Description Position Summary We are currently seeking a motivated, career and customer-oriented Systems Administrator (Senior) to join our team in Ashburn, VA to begin an exciting and challenging c

System Administrator IIJob Title - System Administrator II

General Dynamics Information TechnologyCompany Name - General Dynamics Information Technology

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Maryland, USA

Full-time

Type of Requisition: Regular Clearance Level Must Currently Possess: Top Secret SCI + Polygraph Clearance Level Must Be Able to Obtain: Top Secret SCI + Polygraph Public Trust/Other Required: None Job Family: Systems Administration Job Qualifications: Skills: Communication, Information Systems, Operating Systems (OS), System Security, Systems Software Certifications: None Experience: 4 + years of related experience ship Required: Yes Job Description: #ITPolyMD Provide support for imple

System Administrator IIJob Title - System Administrator II

General Dynamics Information TechnologyCompany Name - General Dynamics Information Technology

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Maryland, USA

Full-time

Type of Requisition: Regular Clearance Level Must Currently Possess: Top Secret SCI + Polygraph Clearance Level Must Be Able to Obtain: Top Secret SCI + Polygraph Public Trust/Other Required: None Job Family: Systems Administration Job Qualifications: Skills: Communication, Information Systems, Operating Systems (OS), System Security, Systems Software Certifications: None Experience: 4 + years of related experience ship Required: Yes Job Description: #ITPolyMD Provide support for implemen

Staff System Administrator -TS/SCI RequiredJob Title - Staff System Administrator -TS/SCI Required

Lockheed Martin CorporationCompany Name - Lockheed Martin Corporation

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San Antonio, Texas, USA

Full-time

Job Description What We're Doing: As part of Lockheed Martin Rotary & Mission Systems business area, the C4ISR line of business creates leading-edge global mission integration capabilities and products for our partners across all domains. Who We Are: Our team will provide rapid capability development and operational readiness leveraging industry best-practices and innovative solutions to ensure the program meets operational requirements and matures existing government owned software in an ef

Sr. Staff System Administrator -TS/SCI RequiredJob Title - Sr. Staff System Administrator -TS/SCI Required

Lockheed Martin CorporationCompany Name - Lockheed Martin Corporation

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San Antonio, Texas, USA

Full-time

System AdministratorJob Title - System Administrator

Apex SystemsCompany Name - Apex Systems

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Herndon, Virginia, USA

Full-time

Job#: 2073271 Job Description: Apex Systems has an opening available for a Sr. System Administrator with one of our clients that is a large technology solutions provider in the DMV area! This role serves as a "hands-on" server administrator who evaluates complex system requirements and then designs, implements and maintains the most efficient solutions. This role will develop and document technical standards, identify and evaluate new products, interface with vendors to purchase new hardware and

Network/System Administrator (Net/Sys Admin) IIIJob Title - Network/System Administrator (Net/Sys Admin) III

General Dynamics Information TechnologyCompany Name - General Dynamics Information Technology

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Bedford, Massachusetts, USA

Full-time

Type of Requisition: Regular Clearance Level Must Currently Possess: Top Secret/SCI Clearance Level Must Be Able to Obtain: Top Secret SCI + Polygraph Public Trust/Other Required: None Job Family: Network Administration Job Qualifications: Skills: Network Administrator, Network Architecture, Network Engineering Certifications: None Experience: 5 + years of related experience ship Required: Yes Job Description: Network/System Administrator (Net/Sys Admin) The primary function will be t

System Administrator - AssociateJob Title - System Administrator - Associate

Morgan StanleyCompany Name - Morgan Stanley

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Alpharetta, Georgia, USA

Full-time

In the Technology division, we leverage innovation to build the connections and capabilities that power our Firm, enabling our clients and colleagues to redefine markets and shape the future of our communities. This is a Cloud & Infrastructure Engineering II position at the Associate level, which is part of the job family responsible for managing and optimizing technical infrastructure and ensuring the seamless operation of IT systems to support business needs effectively. Morgan Stanley is an

SharePoint Collaboration System AdministratorJob Title - SharePoint Collaboration System Administrator

Shiro TechnologiesCompany Name - Shiro Technologies

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Peoria, Illinois, USA

Contract

We are seeking a SharePoint Collaboration System Administrator to support enterprise-level SharePoint services across Microsoft 365 Government Cloud, SharePoint Online, and SharePoint 2019 On-Premises for a large user base. This role involves system administration, environment optimization, platform security/compliance, and participation in enterprise collaboration projects. Key Responsibilities: Administer and manage SharePoint Online, SharePoint 2019 On-Prem, and Microsoft 365 GCC (Government

System Administrator IJob Title - System Administrator I

General DynamicsCompany Name - General Dynamics

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Annapolis, Maryland, USA

Full-time

SCCM/MECM System AdministratorJob Title - SCCM/MECM System Administrator

LeidosCompany Name - Leidos

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Alexandria, Virginia, USA

Full-time

Leidos is seeking an SCCM/MECM System Administrator to support a large enterprise IT contract for the DOD. The System Administrator will support operations across multiple enclaves, classifications, and time zones. The System Administrator provides systems and software Operations and Maintenance (O&M) support in a large multi-enclave enterprise environment utilizing Microsoft's Endpoint Configuration Manager (MECM), previously known as System Center Configuration Manager (SCCM). This individual

System AdministratorJob Title - System Administrator

City of New YorkCompany Name - City of New York

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New York, New York, USA

Full-time

Company Description Job Description The Office of the District Attorney, Bronx County ("BXDA") is charged with the twin goals of ensuring public safety and striving for equal justice for the over 1.4 million members of the Bronx County community. By "Pursuing Justice with Integrity," the BXDA places a focus on assistance for crime victims while simultaneously ensuring fairness to defendants. Moreover, the BXDA aims to balance the need to seek appropriate punishment for certain crimes while rec

Level 1 Technical Operations - Linux, Windows, IBM, UC4 SchedulingJob Title - Level 1 Technical Operations - Linux, Windows, IBM, UC4 Scheduling

Request Technology, LLCCompany Name - Request Technology, LLC

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Chicago, Illinois, USA

Full-time

NO SPONSORSHIP Technology Operations - Linux, Windows, IBM, UC4 LOCATIONS: CHICAGO, IL Hybrid 3 days onsite and 2 days remote - 2nd shift Tuesday Saturday 230pm 11pm cst, Level 1 - monitoring processes, driving improvements, production control support. storage cloud linux unix storage networking incident response first level maintain logs records uc4/ control m windows IBM Technology Operations is responsible for monitoring the production environment. This role will reside in Technology Ope

System Administrator IIJob Title - System Administrator II

General DynamicsCompany Name - General Dynamics

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Annapolis, Maryland, USA

Full-time

Type of Requisition: Regular Clearance Level Must Currently Possess: Top Secret SCI + Polygraph Clearance Level Must Be Able to Obtain: Top Secret SCI + Polygraph Public Trust/Other Required: None Job Family: Systems Administration Job Qualifications: Skills: Communication, Information Systems, Operating Systems (OS), System Security, Systems Software Certifications: None Experience: 4 + years of related experience ship Required: Yes Job Description: #ITPolyMD Provide support for implemen

Linux Systems Administrator - Oracle Cloud CertifiedJob Title - Linux Systems Administrator - Oracle Cloud Certified

ArnAmy, Inc.Company Name - ArnAmy, Inc.

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Tallahassee, Florida, USA

Contract, Third Party

Job Purpose: Installs, configures, maintains and performs system integration testing of UNIX based operating systems, related utilities and hardware. Responsible for troubleshooting UNIX-based hardware and software problems. Monitors systems activities and fine tunes system parameters and configuration to optimize performance and ensure security of systems. Performs capacity analysis, monitors and controls usage of disk space. Develops procedures for routine administration including backup/resto

Linux / Unix Systems Administrator, Stf - TS/SCI w/Poly- Sunnyvale, CAJob Title - Linux / Unix Systems Administrator, Stf - TS/SCI w/Poly- Sunnyvale, CA

Lockheed Martin CorporationCompany Name - Lockheed Martin Corporation

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Sunnyvale, California, USA

Full-time

Job Description About Us: Our employees are the core of everything we do, and they are helping the future arrive. As a leading technology innovation company, our team of over 100,000 people works with partners around the world to bring proven performance to our customers' toughest challenges. Headquartered in Bethesda, MD, Lockheed Martin has employees based in all 50 states and more than 570 facilities that span more than 70 countries. This Lockheed Martin Enterprise Operations (EO) position w

Senior IT System Administrator/System AnalystJob Title - Senior IT System Administrator/System Analyst

JacobsCompany Name - Jacobs

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Houston, Texas, USA

Full-time

Are you passionate about human space exploration, understanding the origins of the universe, and working with a passionate and diverse team to make a difference? If you are, we need you! We need your talent, teamwork, and energy to help us achieve great things that inspire people all over the globe. We need you to bring creative ideas and diverse backgrounds to help us envision, shape, and deliver systems that will enable the exploration of space while benefiting people here on Earth. We are exc