system administrator and security Jobs

21 - 40 of 274 Jobs

Intermediate Linux System Administrator - Infrastructure/Touch LaborJob Title - Intermediate Linux System Administrator - Infrastructure/Touch Labor

LeidosCompany Name - Leidos

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Whitehall, Ohio, USA

Full-time

Description Leidos is a FORTUNE 500 company bringing a mix of innovative technology and sector expertise to customers in the national security, engineering, and the health industries. Leidos is seeking an Intermediate Linux System Administrator for a position as part of a team supporting the Defense Information Security Agency (DISA) in Columbus, OH. This is an onsite position, no full-time telework allowed. Primary Responsibilities: Provide on-site touch labor in a data center environment.Manag

Network/System Administrator (Net/Sys Admin) IJob Title - Network/System Administrator (Net/Sys Admin) I

General DynamicsCompany Name - General Dynamics

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Tucson, Arizona, 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: Computer Networking, Microsoft Windows Server, Network Systems, Troubleshooting Certifications: None Experience: 1 + years of related experience ship Required: Yes Job Description: Network/System Administrator (Level 1) Tucson, AZ The primar

Network/System Administrator (Net/Sys Admin) IJob Title - Network/System Administrator (Net/Sys Admin) I

General Dynamics Information TechnologyCompany Name - General Dynamics Information Technology

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Tucson, Arizona, USA

Full-time

Network/System Administrator (Net/Sys Admin) IJob Title - Network/System Administrator (Net/Sys Admin) I

General Dynamics Information TechnologyCompany Name - General Dynamics Information Technology

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Tucson, Arizona, USA

Full-time

Senior Red Hat/Linux System AdministratorJob Title - Senior Red Hat/Linux System Administrator

Talent GroupsCompany Name - Talent Groups

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Annapolis, Maryland, USA

Contract

Job Title: Senior Red Hat/Linux System Administrator Job Description:We are seeking a highly experienced Senior Red Hat/Linux System Administrator to support and maintain Red Hat Enterprise Linux (RHEL) and Unix (AIX) IBM pSeries systems in a mission-critical, 24/7 environment. The ideal candidate will be responsible for system installations, upgrades, automation, performance tuning, and collaborating with application and security teams to ensure high availability and compliance with IT standard

Network/System Administrator IIIJob Title - Network/System Administrator III

Modern Technology SolutionsCompany Name - Modern Technology Solutions

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Washington, District of Columbia, USA

Full-time

Overview Own Your Future. Modern Technology Solutions, Inc. (MTSI) is seeking a Network/System Administrator to join our team. Why is MTSI known as a Great Place to Work? Interesting Work: Our co-workers support some of the most important and critical programs to our national defense and security. Values: Our first core value is that employees come first. We challenge our co-workers to provide the highest level of support and service, and reward them with some of the best benefits in the indu

Network/System Administrator IIJob Title - Network/System Administrator II

Modern Technology SolutionsCompany Name - Modern Technology Solutions

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Colorado Springs, Colorado, USA

Full-time

Data Center System AdministratorJob Title - Data Center System Administrator

LeidosCompany Name - Leidos

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Charlottesville, Virginia, USA

Full-time

Unleash Your Potential At Leidos, we deliver innovative solutions through the efforts of our diverse and talented people who are dedicated to our customer's success. We empower our teams, contribute to our communities, and operate sustainably. Everything we do is built on a commitment to do the right thing for our customers, our people, and our community. Our Mission, Vision, and Values guide the way we do business. If this sounds like an environment where you can thrive, keep reading! The Data

Senior IAM System AdministratorJob Title - Senior IAM System Administrator

Sanford HealthCompany Name - Sanford Health

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Sioux Falls, South Dakota, USA

Full-time

Careers With Purpose Sanford Health is one of the largest and fastest-growing not-for-profit health systems in the United States. We're proud to offer many development and advancement opportunities to our nearly 50,000 members of the Sanford Family who are dedicated to the work of health and healing across our broad footprint. Facility: Stevens Center Building Location: Sioux Falls, SD Address: 900 East 54th St N, Sioux Falls, SD 57104, USA Shift: 8 Hours - Day Shifts Job Schedule: Full time Wee

Unified Communications System AdministratorJob Title - Unified Communications System Administrator

General DynamicsCompany Name - General Dynamics

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Oklahoma City, Oklahoma, USA

Full-time

Type of Requisition: Regular Clearance Level Must Currently Possess: None Clearance Level Must Be Able to Obtain: None Public Trust/Other Required: Other Job Family: Systems Administration Job Qualifications: Skills: Computer Systems, Hardware Systems, Operating Systems (OS) Certifications: CompTIA LINUX+ - CompTIA, CompTIA - Network+ - CompTIA, Security+, CE - Comptia Security+ Experience: 2 + years of related experience ship Required: No Job Description: Systems Administrator Transform

Unified Communications System AdministratorJob Title - Unified Communications System Administrator

General Dynamics Information TechnologyCompany Name - General Dynamics Information Technology

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Oklahoma City, Oklahoma, USA

Full-time

Unified Communications System AdministratorJob Title - Unified Communications System Administrator

General Dynamics Information TechnologyCompany Name - General Dynamics Information Technology

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Oklahoma City, Oklahoma, USA

Full-time

Data Center System AdministratorJob Title - Data Center System Administrator

LeidosCompany Name - Leidos

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Charlottesville, Virginia, USA

Full-time

Description Unleash Your Potential At Leidos, we deliver innovative solutions through the efforts of our diverse and talented people who are dedicated to our customer's success. We empower our teams, contribute to our communities, and operate sustainably. Everything we do is built on a commitment to do the right thing for our customers, our people, and our community. Our Mission, Vision, and Values guide the way we do business. If this sounds like an environment where you can thrive, keep readi

System AdministratorJob Title - System Administrator

Boeing CompanyCompany Name - Boeing Company

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Omaha, Nebraska, USA

Full-time

System Administrator Company: Tapestry - G0G Tapestry Solutions, A Boeing Company, comes with over 30 years of industry experience designing, implementing, training, and supporting logistics information systems. A career with the Tapestry Solutions team brings the best of both worlds: access to the incredible depth of resources and opportunities of Boeing while working in a company having a small business, family-oriented culture. We have over 500 employees worldwide supporting our customers

Senior IAM System AdministratorJob Title - Senior IAM System Administrator

Sanford HealthCompany Name - Sanford Health

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Sioux Falls, South Dakota, USA

Full-time

Sanford Health is one of the largest and fastest-growing not-for-profit health systems in the United States. We're proud to offer many development and advancement opportunities to our nearly 50,000 members of the Sanford Family who are dedicated to the work of health and healing across our broad footprint. Work Shift: 8 Hours - Day Shifts (United States of America) Scheduled Weekly Hours: 40 Salary Range: $34.50 - $57.00Pay starts at $34.50 and increases according to years of applicable exper

Service Desk System AdministratorJob Title - Service Desk System Administrator

General DynamicsCompany Name - General Dynamics

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Newington, Virginia, 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 Public Trust/Other Required: None Job Family: Systems Administration Job Qualifications: Skills: Communication, Technical Training, Troubleshooting Hardware Certifications: Security+ - CompTIA Experience: 3 + years of related experience ship Required: Yes Job Description: Seize your opportunity to make a personal impact as a Service Desk System Admini

Linux System AdministratorJob Title - Linux System Administrator

SAICCompany Name - SAIC

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Oklahoma City, Oklahoma, USA

Full-time

Job ID: 2504587 Location: OKLAHOMA CITY, OK, US Date Posted: 2025-05-01 Category: Information Technology Subcategory: Sys Administrator Schedule: Full-time Shift: Day Job Travel: Yes, 10 % of the Time Minimum Clearance Required: None Clearance Level Must Be Able to Obtain: None Potential for Remote Work: No Description SAIC is searching for a Linux Systems Administrator to join our team in Oklahoma City. This position is on site 5 days a week at the FAA office near the Oklahoma City a

Windows System AdministratorJob Title - Windows System Administrator

General DynamicsCompany Name - General Dynamics

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Fort Belvoir, Virginia, USA

Full-time

Type of Requisition: Regular Clearance Level Must Currently Possess: Secret Clearance Level Must Be Able to Obtain: Top Secret/SCI Public Trust/Other Required: None Job Family: Systems Administration Job Qualifications: Skills: Information Technology (IT) Systems, System Administration, System Security, Technical Support Certifications: None Experience: 10 + years of related experience ship Required: Yes Job Description: Transform technology into opportunity as a Systems Administrator Se

Linux System AdministratorJob Title - Linux System Administrator

LeidosCompany Name - Leidos

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San Diego, California, USA

Full-time

Description The Maritime Solution Systems Portfolio within the Maritime Systems Division (MSD) is seeking an experienced, dynamic, and highly capable Linux system administrator to join the Leidos team at a customer site in San Diego, CA. The business activities within this portfolio include underwater vehicle systems, maritime sensors, supporting information technology and engineering services for complex maritime applications, and the development and support of underwater data acquisition and t

System Administrator - Mission Planning SystemsJob Title - System Administrator - Mission Planning Systems

Torch Technologies Inc.Company Name - Torch Technologies Inc.

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Florida, USA

Full-time

Thank you for your interest in Torch Technologies. We're an award-winning, 100% employee-owned company based in Huntsville, Alabama. Recognized as a top 100 defense company, we're dedicated to supporting our nation's military. Our guiding principle, "Lighting the Pathway of Freedom," reflects our commitment to excellence, cooperation, integrity, and reliability. As a Certified Evergreen ESOP, our dedication is to continuously develop and maintain our company's success for the next century, secur