senior linux system administrator Jobs

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System AdministratorJob Title - System Administrator

CTGCompany Name - CTG

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Melbourne, Florida, USA

Full-time

Overview CTG has an immediate opportunity for a Systems Administrator. At CTG, we rely on our IT systems to help our business reach and succeed with consumers all over the world. We are seeking an experienced systems administrator who is eager to use and grow their technological skills. In this role, the successful individual will protect our critical information, systems, and assets, build solutions, implement new software and hardware, provide training and assist in the development of an overa

Linux Systems AdministratorJob Title - Linux Systems Administrator

LeidosCompany Name - Leidos

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Beavercreek, Ohio, USA

Full-time

Description Are you ready to make an impact? Leidos Chief Information Security team within the Digital Modernization sector is seeking an experienced Linux Systems Administrator to work onsite in Beavercreek, Ohio. You will bring Linux skills to perform testing, deploying, maintaining, and administering cyber systems across networks along with their infrastructure of hardware/software. Daily duties may include protecting, configuring and managing servers and computers systems, installing softwa

System AdministratorJob Title - System Administrator

LeidosCompany Name - Leidos

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King of Prussia, Pennsylvania, USA

Full-time

Leidos Office of the Chief Information Security Officer, within the Digital Modernization Sector, is seeking a System Administrator to support various classified environments. You will be responsible for maintaining, securing, and supporting complex classified information systems, as well as ensuring compliance with security protocols and regulations. Work will be performed on site at our King of Prussia, PA office. What will you do in this role? This role includes a combination of duties to pr

Linux Systems AdministratorJob Title - Linux Systems Administrator

LeidosCompany Name - Leidos

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Beavercreek, Ohio, USA

Full-time

Are you ready to make an impact? Leidos Chief Information Security team within the Digital Modernization sector is seeking an experienced Linux Systems Administrator to work onsite in Beavercreek, Ohio. You will bring Linux skills to perform testing, deploying, maintaining, and administering cyber systems across networks along with their infrastructure of hardware/software. Daily duties may include protecting, configuring and managing servers and computers systems, installing software and syste

Linux System Admin with Pacemaker, OCI & AWS at Dallas, TX (Hybrid)Job Title - Linux System Admin with Pacemaker, OCI & AWS at Dallas, TX (Hybrid)

Optimus Labs USACompany Name - Optimus Labs USA

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Dallas, Texas, USA

Contract, Third Party

Requirement details: Role: Linux System Admin with Pacemaker, OCI & AWS Location: Dallas, TX (Hybrid) Experience: 10+ Years Duration: Long Term Job Description: Linux System Administration:Install, configure, and maintain Linux servers (Suse, Red Hat, CentOS, Ubuntu, etc.).Perform system monitoring, troubleshooting, and performance tuning.Manage user accounts, permissions, and access controls.Apply patches, updates, and security configurations to ensure system integrity.Develop and maintain scri

System Administrator 4Job Title - System Administrator 4

Boeing CompanyCompany Name - Boeing Company

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Herndon, Virginia, USA

Full-time

This posting is for a contract assignment and is not a full-time employment offer with Boeing. Candidates selected for roles will be employed as contract workers through a Boeing approved 3rd party for the duration of the specified project. The Boeing Defense, Space & Security (BDS), Maritime and Intelligence Systems (M&IS) seeks a System Administrator to join our Mission Systems Operations team in Herndon, VA. Our team focuses on delivering complex solutions in some of the most challenging envi

System AdministratorJob Title - System Administrator

LeidosCompany Name - Leidos

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Columbus, Ohio, USA

Full-time

The Digital Modernization Sector within Leidos is seeking a System Administrator to support the DoD Mobility Classified Capability (DMCC) program as part of GSM-O II in Columbus OH. We're seeking a candidate experienced with Windows server or Linux server operations, sustainment, and management activities to help ensure secure, reliable, and uninterrupted availability of the DoD's secure mobile device capability service. You'll work as part of a Network Operations team responsible for managing

Linux Administrator - Red HatJob Title - Linux Administrator - Red Hat

Convene Inc.Company Name - Convene Inc.

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Remote

Contract

About Convene Inc. Convene, Inc. is a Tampa based, award-winning technology services organization with offices and resources throughout the US, Mexico, and India. We have successful, referenceable customers, competitive benefits, and high-growth opportunities.Linux Administrator - Red Hat Duties will include but not limited to the following: Able to deploy and set up Red Hat Enterprise Linux on physical or virtual servers. Able to implement security policies, managing firewalls, and monitoring

Cloud System Administrator and EngineerJob Title - Cloud System Administrator and Engineer

Booz Allen HamiltonCompany Name - Booz Allen Hamilton

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Chantilly, Virginia, USA

Full-time

Job Number: R0220448 Cloud System Administrator and Engineer The Opportunity: Your combination of people skills and system administrator knowledge makes you the team hero, solving one problem after another. What if you could use those skills to improve the technology supporting mission critical infrastructure? We're looking for a system administrator who can understand and design networks and systems to help us maintain and upgrade mission hardware and software applications. As a system administ

Senior System AdministratorJob Title - Senior System Administrator

Ledgent TechnologyCompany Name - Ledgent Technology

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Fremont, California, USA

Full-time, Contract

We are seeking a highly skilled Senior System Administrator to join our enterprise IT team. In this role, you will be responsible for maintaining, securing, and optimizing mission-critical systems and infrastructure across a complex, multi-site environment. You will take initiatives to improve performance, reliability, scalability, and security, including cloud services, servers, storage, virtualization, security, and data centers. Additional responsibilities are to include, but not limited to,

System Administrator Level 3Job Title - System Administrator Level 3

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: Linux, ServiceNow Platform, Unix Certifications: None Experience: 15 + years of related experience ship Required: Yes Job Description: Provides support for implementation, troubleshooting and maintenance of information Technology (

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

General DynamicsCompany Name - General Dynamics

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Colorado Springs, Colorado, 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: System/Network Administrator (L3) Colorado Springs, CO TS/SCI is required The

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

General DynamicsCompany Name - General Dynamics

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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 to

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 AdministratorJob Title - System Administrator

AkkodisCompany Name - Akkodis

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Green Oaks, Illinois, USA

Full-time

Akkodis is seeking a System Administrator for a Contract job with a client in Abbott Park, IL(Hybrid). The candidate must have expertise in Zscaler products and L2 Admin support. Responsibilities include troubleshooting issues, collaborating on solutions, and ensuring security policy implementation. Rate Range: $37/hour to $49/hour; The rate may be negotiable based on experience, education, geographic location, and other factors. System Administrator job responsibilities include: Managing and

Database System Administrator 3Job Title - Database System Administrator 3

Accenture LLPCompany Name - Accenture LLP

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Washington, District of Columbia, USA

Full-time

At Accenture Federal Services, nothing matters more than helping the US federal government make the nation stronger and safer and life better for people. Our 13,000+ people are united in a shared purpose to pursue the limitless potential of technology and ingenuity for clients across defense, national security, public safety, civilian, and military health organizations. Join Accenture Federal Services, a technology company and part of global Accenture, to do work that matters in a collaborative

Linux System AdministratorsJob Title - Linux System Administrators

LeidosCompany Name - Leidos

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Annapolis, Maryland, USA

Full-time

Leidos frequently has exciting opportunities for Linux System Administrators in the National Security Sector's (NSS) Cyber & Analytics Business Area (CABA). Our talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical Methods and Modeling, Signals Intelligence (SIGINT), and Cryptographic Key Management. At Leidos, we offer competitive benefits ;/b>, including 4 or more weeks Paid Time Off, 11 paid Holidays, 401K with a 6% company

System AdministratorJob Title - System Administrator

UVS InfotechCompany Name - UVS Infotech

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Remote

Full-time

About UVS Infotech: UVS Infotech is Laurel, Maryland based, IT System Integrator with expertise in Emerging Technologies: Artificial Intelligence, Machine Learning, Robotic Process Automation, Blockchain, Identity & Access Management, Identity Proofing Position Description: The Systems Administrator will be responsible for the design, deployment, and ongoing maintenance of both Windows and Linux (RHEL, CentOS, Ubuntu) server environments in support of our students, faculty, and staff. This role

WebSphere/System Integration/Middleware Administrator Engineer (12+ years)Job Title - WebSphere/System Integration/Middleware Administrator Engineer (12+ years)

SR International Inc.Company Name - SR International Inc.

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Columbus, Ohio, USA

Contract

Interviews: In-Person in Columbus, Ohio 12+ years of experience needed. State/Govt experience needed. State of Ohio - JFS - Product Specialist 5 / PS 5 (WebSphere and System Integration Administrator) - 764212 Description: We are seeking an experienced WebSphere and System Integration Administrator with expertise in WebSphere Application Server and cloud system administration across Azure, AWS, and Google Cloud. The ideal candidate will have hands-on experience in multi-tier, multi-platform ent

System Administrator 1Job Title - System Administrator 1

JacobsCompany Name - Jacobs

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Annapolis, Maryland, USA

Full-time

Are you interested in using your skills to help shape the Cyber, Security, & Intel space? If so, look no further. We are seeking a Database Administrator to join our team of passionate individuals. In this role you will support challenging, mission-critical projects that make a direct impact on the nation's security and intelligence mission. Responsibilities: A system administrator provides support for implementation, troubleshooting and maintenance of IT systems. Manages IT system infrastructu