system administrator AND security Jobs

101 - 120 of 269 Jobs

System Administrator Level IVJob Title - System Administrator Level IV

General Dynamics Information TechnologyCompany Name - General Dynamics Information Technology

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Laurel, Maryland, USA

Part-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: Active Directory (AD), Operating Systems (OS), OS Configuration, PC Installation Certifications: None Experience: 10 + years of related experience ship Required: Yes Job Description: S ystem A dministrator Level IV Description : Ma

System Administrator 3Job Title - System Administrator 3

Realm OneCompany Name - Realm One

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Annapolis, Maryland, USA

Full-time

RealmOne is the GOAT - where your career can reach the greatest heights! RealmOne was built on the principle that people matter first and foremost. We believe in providing a strong work/life balance by investing in our employees and encouraging professional and personal growth. We do this by offering exceptional benefits, flexible schedules, and the tools necessary to achieve success through paid training, mentoring, and the opportunity to work alongside top-notch security professionals. Join u

Master Linux System Administrator - Secret ClearedJob Title - Master Linux System Administrator - Secret Cleared

Zachary Piper Solutions, LLCCompany Name - Zachary Piper Solutions, LLC

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San Diego, California, USA

Full-time

Piper Companies is looking for a Master Linux System Administrator to join a government contractor, working onsite in San Diego, CA. An active secret clearance is required for consideration This is a contract to hire opportunity with a great client that is looking to move quickly! Essential Duties of theMaster Linux System Administrator: Provide guidance for directing/monitoring information systemsInstall, configure and maintain Linux operating systemsAnalyze network traffic and provide capacit

AWS System Administrator - Sr.Job Title - AWS System Administrator - Sr.

Accenture LLPCompany Name - Accenture LLP

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San Antonio, Texas, 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

System Administrator Site LeadJob Title - System Administrator Site Lead

LeidosCompany Name - Leidos

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Shiloh, Illinois, USA

Full-time

The Defense group at Leidos has a career opening for a System Administration Site Lead on a DISA contract. This role is primarily on the customer site at Scott AFB, IL. The site lead will manage a team of 4-5 personnel providing support for assigned systems supporting Joint Worldwide Intelligence Communications System (JWICS). PRIMARY RESPONSIBILITIES: Directly report to Tier II/ Program Management on all technical and personnel concernsPerform Leidos supervisory duties for a team of 5 personne

System Engineer/System AdministratorJob Title - System Engineer/System Administrator

LeidosCompany Name - Leidos

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Tucson, Arizona, USA

Full-time

Leidos is looking for a System Engineer with Systems Administration experience and some Software Engineering experience to join a high performing agile team using Agile methodology providing system and software engineering, development, test, integration and operational support. Program execution follows DEVOPS best practices and employs robust development, test and production environments. Also requires maintenance of legacy IT systems and services. Primary Responsibilities: The selected indivi

Infrastructure System AdministratorJob Title - Infrastructure System Administrator

Motorola SolutionsCompany Name - Motorola Solutions

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Indiana, USA

Full-time

Company Overview At Motorola Solutions, we believe that everything starts with our people. We're a global close-knit community, united by the relentless pursuit to help keep people safer everywhere. Our critical communications, video security and command center technologies support public safety agencies and enterprises alike, enabling the coordination that's critical for safer communities, safer schools, safer hospitals and safer businesses. Connect with a career that matters, and help us buil

Infrastructure System AdministratorJob Title - Infrastructure System Administrator

Motorola SolutionsCompany Name - Motorola Solutions

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Tempe, Arizona, USA

Full-time

System Administrator (Windows and Linux)Job Title - System Administrator (Windows and Linux)

Svam International, Inc.Company Name - Svam International, Inc.

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Dallas, Texas, USA

Contract

System Administrator (Windows and Linux) 6 months onsite in Dallas TX Responsible for installing, configuring, and supporting an organization's local area network (LAN), wide area network (WAN), and Internet systems or a segment of a network system. The services You will provide the project team: As a Systems Administrator Contractor, you will be responsible for installing, configuring, and supporting an organization's local area network (LAN), wide area network (WAN), and Internet systems or a

System AdministratorJob Title - System Administrator

NightwingCompany Name - Nightwing

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Sterling, Virginia, USA

Full-time

Nightwing provides technically advanced full-spectrum cyber, data operations, systems integration and intelligence mission support services to meet our customers' most demanding challenges. Our capabilities include cyber space operations, cyber defense and resiliency, vulnerability research, ubiquitous technical surveillance, data intelligence, lifecycle mission enablement, and software modernization. Nightwing brings disruptive technologies, agility, and competitive offerings to customers in th

Linux System Administrator/RHELJob Title - Linux System Administrator/RHEL

Motion Recruitment Partners, LLCCompany Name - Motion Recruitment Partners, LLC

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Moorestown, New Jersey, USA

Full-time

A growing organization in South Jersey is looking to hire a Senior System Administrator to work in their Linux environment. In this role, you will be responsible for the design, implementation, and management of IT hardware, software, and networks to ensure operational efficiency and security. Duties include performing data backup operations in compliance with recovery objectives, applying timely security patches, evaluating and recommending emerging technologies, and configuring IT systems for

HPC System AdministratorJob Title - HPC System Administrator

Navigant ConsultingCompany Name - Navigant Consulting

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Bethesda, Maryland, USA

Full-time

Job Family: Systems Engineering (Digital) Travel Required: None Clearance Required: Ability to Obtain Public Trust What You Will Do: We are currently searching for Linux-based LoBoS System Administrator to provide day-to-day management of the LoBoS HPC compute nodes, storage systems, and desktops. The position involves working as part of a small team (at least two people) whose primary responsibilities are to keep the cluster running in good order and ensuring the cluster follows security be

System AdministratorJob Title - System Administrator

City of NapervilleCompany Name - City of Naperville

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Naperville, Illinois, USA

Full-time

Job Description The City of Naperville is looking for an IT System Administrator to perform a variety of technical tasks involving the management and security of the servers, directory services, remote access and enterprise and departmental applications. This position plans and makes recommendations to management and end users as well as ensures solutions meet business objectives. Additionally, the IT System Administrator establishes and maintains a high level of user trust and confidence in In

Operational Technology System AdministratorJob Title - Operational Technology System Administrator

UnitedHealth GroupCompany Name - UnitedHealth Group

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Chandler, Arizona, USA

Full-time

Optum is a global organization that delivers care, aided by technology to help millions of people live healthier lives. The work you do with our team will directly improve health outcomes by connecting people with the care, pharmacy benefits, data and resources they need to feel their best. Here, you will find talented peers, comprehensive benefits and career development opportunities. Come make an impact on the communities we serve as you help us advance health equity on a global scale. Join us

System Administrator - Endpoint ManagementJob Title - System Administrator - Endpoint Management

Freeman Health SystemCompany Name - Freeman Health System

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Joplin, Missouri, USA

Full-time

Our Mission To improve the health of the communities we serve through contemporary, innovative, quality healthcare solutions. Schedule: Full Time About Us -Information Technology (IT) Flexible schedulingOn the job trainingGain exposure to new and advanced technology in the healthcare setting What You'll Do Under the direction of the Manager of Endpoint Solutions and guidance from the Freeman Health System Security Group and Infrastructure Team, the Endpoint System Administrator is responsibl

IT System Administrator- Elkhart INJob Title - IT System Administrator- Elkhart IN

Belcan Services Group, Limited PartnershipCompany Name - Belcan Services Group, Limited Partnership

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Elkhart, Indiana, USA

Contract

Job Title: IT System Administrator Location: 3200 Cassopolis St., Elkhart IN 46514 Job type: (6 12 Months contract) Pay- Rate: $60/hr. Work from Client Office Indiana Elkhart on business days.5 days a week Job Description: Generate documentation on systems and assist in efforts to remediate audit findings.Perform installation, configuration, and maintenance of software systems.Experience with managing servers - Windows, AD, Linux etc.Experience with virtualization and cloud technologies (VMware

2025 Fall Co-Op - System Administrator (Onsite)Job Title - 2025 Fall Co-Op - System Administrator (Onsite)

RTX CorporationCompany Name - RTX Corporation

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Cambridge, Massachusetts, USA

Full-time

Date Posted: 2025-06-10 Country: United States of America Location: MA105: BBN Headquarters 10 Moulton Street , Cambridge, MA, 02138 USA Position Role Type: Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirements: Security Clearance: None/Not Required RTX Corporation is an Aerospace and Defense company that provides advanced systems and services for commercial, military and government customers worldwide. It comprises three industry-leading businesses - Collins Aerospace, Pratt &

System Administrator - Level IIJob Title - System Administrator - Level II

22nd Century Technologies, Inc.Company Name - 22nd Century Technologies, Inc.

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Augusta, Georgia, USA

Full-time

Role Designation: System Administrator Level IIDuration: FTE IT Security Designation: ADP/IT-nvestigation Required: Tier 3 (T3)IA Technical/Management Designation: IAT Level II CE (Computing Environment) Certification Commercial (Baseline) Certifications: IAT Level II: Refer to Section 3.0 of the DoD 8570.01-M for approved baseline certifications CE Certification: Associate-level certification required (professional level preferred) in supported technology, as approved by the COR Experience in T

System AdministratorJob Title - System Administrator

Parsons Services CompanyCompany Name - Parsons Services Company

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Colorado Springs, Colorado, USA

Full-time

In a world of possibilities, pursue one with endless opportunities. Imagine Next! When it comes to what you want in your career, if you can imagine it, you can do it at Parsons. Imagine a career working with exceptional people sharing a common quest. Imagine a workplace where you can be yourself. Where you can thrive. Where you can find your next, right now. We've got what you're looking for. Job Description: Parsons has emerged as a leader in the development of cutting-edge solutions for the

Mid System AdministratorJob Title - Mid System Administrator

Parsons Services CompanyCompany Name - Parsons Services Company

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Quantico, Virginia, USA

Full-time

In a world of possibilities, pursue one with endless opportunities. Imagine Next! When it comes to what you want in your career, if you can imagine it, you can do it at Parsons. Imagine a career working with exceptional people sharing a common quest. Imagine a workplace where you can be yourself. Where you can thrive. Where you can find your next, right now. We've got what you're looking for. Job Description: Parsons is looking for an amazingly talented Mid System Administrator to join our te