system administrator AND security Jobs

121 - 140 of 261 Jobs

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 - 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

System Administrator (Hybrid)Job Title - System Administrator (Hybrid)

CitiCompany Name - Citi

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Remote or Jacksonville, Florida, USA

Full-time

Overview of the Role Citi, the leading global bank, has approximately 200 million customer accounts and does business in more than 160 countries and jurisdictions. Citi provides consumers, corporations, governments, and institutions with a broad range of financial products and services, including consumer banking and credit, corporate and investment banking, securities brokerage, transaction services, and wealth management. As a bank with a brain and a soul, Citi creates economic value that is

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

Mainframe System Measurements AdministratorJob Title - Mainframe System Measurements Administrator

KyndrylCompany Name - Kyndryl

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Dallas, Texas, USA

Full-time

Who We Are At Kyndryl, we design, build, manage and modernize the mission-critical technology systems that the world depends on every day. So why work at Kyndryl? We are always moving forward - always pushing ourselves to go further in our efforts to build a more equitable, inclusive world for our employees, our customers and our communities. The Role As a System Administrator at Kyndryl, you'll solve complex problems and identify potential future issues across the spectrum of platforms and s

System AdministratorJob Title - System Administrator

SGS ConsultingCompany Name - SGS Consulting

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Lexington, Massachusetts, USA

Contract

Job Title: Systems Administrator - JP00001779 Duration: 3+ years Client: Defense Research Lab Location: Lexington, MA Description: Maintains operation of multi-user computer systems, including coordination of infrastructure and cloud responsibilities. Develops and designs core operating system builds. Responsible for coding, virtualization, and automation of systems. Sets up administrator and service accounts, maintains an active directory of users and system documentation, tunes system performa

Red Hat System AdministratorJob Title - Red Hat System Administrator

Braintree Technology SolutionsCompany Name - Braintree Technology Solutions

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Chicago, Illinois, USA

Full-time

Role Linux L3 SME Technology / Domain Linux Administration Redhat, CentOS, Satellite Server, HA clustering Experience Level 10 to 15 years Location Chicago, IL & Indianapolis, IN Onsite from Day 1 Job Description Required Skillsets: Technical Red Hat Satellite experience Red Hat System Administrator (cert offered)Red Hat Specialist in High Availability Clustering (cert offered)Red Hat Specialist in Enterprise Application Server Administration (training offered)RHEL 6.x and RHEL 7 Server environm

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 (I

Lead IMIS System Administrator - Solaris & Red HatJob Title - Lead IMIS System Administrator - Solaris & Red Hat

Lockheed Martin CorporationCompany Name - Lockheed Martin Corporation

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Utah, USA

Full-time

Job Description You will be the Lead Integrated Maintenance Information System (IMIS) Administrator for the F-22 Ogden Depot in Utah. Our team is responsible for providing installation, maintenance and troubleshooting support of the IMIS applications and related peripheral hardware. What You Will Be Doing As the Lead IMIS Administrator you will impact everything from aircraft maintenance operations to supporting vital aircraft flight operations. Your responsibilities will include but are not l

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

System AdministratorJob Title - System Administrator

AkkodisCompany Name - Akkodis

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Plano, Texas, USA

Full-time

Akkodis is seeking a System Administrator for a Contract job with a client in Plano, TX(Hybrid). Candidates must have hands-on experience supporting complex Mainframe environments, including LPAR/MIPS management and z/OS systems. Rate Range: $41/hour to $60/hour; The rate may be negotiable based on experience, education, geographic location, and other factors. System Administrator job responsibilities include: Provide support for complex mainframe environments, including z/OS, LPAR, and MIPS s

System Administrator L3Job Title - System Administrator L3

Accenture LLPCompany Name - Accenture LLP

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Annapolis, Maryland, 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 AdministratorJob Title - System Administrator

Kforce Technology StaffingCompany Name - Kforce Technology Staffing

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Washington, District of Columbia, USA

Contract

RESPONSIBILITIES: Kforce has a client in Washington, DC that is seeking a System Administrator. Responsibilities: * Maintain Windows servers, VMs, and storage * Apply patches and updates during authorized windows * Respond to off-peak problems * Support account and system monitoring * Participate and manage change control processes REQUIREMENTS: * 3+ years of experience in classified environments * Applicants selected will be subject to a government security investigation and must meet eligibi

System Administrator & Technical Lead - TS/SCI ClearanceJob Title - System Administrator & Technical Lead - TS/SCI Clearance

Dexian DISYSCompany Name - Dexian DISYS

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Washington, District of Columbia, USA

Full-time

Dexian has been engaged to identify a Senior System Administrator and Technical Lead with active TS/SCI clearance, to directly support the most sensitive programs of a defense technology organization. This is a Full-Time staff position working onsite in Washington, D.C. The Senior Systems Administrator will be a part of the team building and maintaining the critical classified infrastructure. You will have the opportunity to work with and learn from some of the world's best engineers and cybers

System Operations/Administrator (Multiple Levels)Job Title - System Operations/Administrator (Multiple Levels)

NoblisCompany Name - Noblis

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Chantilly, Virginia, USA

Full-time

Responsibilities Noblis ESI is seeking a System Operations/Administrator with a background in managing and maintaining desktop computing environments to work with our clients in supporting our customer Mission Integration Directorate (MID). Job Responsibilities Install, configure, and maintain desktop systems, laptops, and peripheral devices. Provide technical support and troubleshooting assistance to end-users for hardware, software, and network-related issues. Monitor system performance and

System AdministratorJob Title - System Administrator

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

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Bedford Park, Illinois, USA

Full-time

Exciting job opportunity within the automotive aftermarket industry, for an experienced IT Systems Administrator for their Bedford Park area location. This full-time role offers the opportunity to design and implement hybrid Active Directory infrastructure while managing cutting-edge technologies including Palo Alto firewalls, Meraki access points, Office 365, and enterprise ERP/WMS systems for a company that's reshaping an entire industry. Join a company experiencing remarkable expansion where

Oracle Cloud System AdministratorJob Title - Oracle Cloud System Administrator

Mitchell Martin, Inc.Company Name - Mitchell Martin, Inc.

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Remote or Boston, Massachusetts, USA

Full-time, Contract

Title: Oracle Cloud System AdministratorLocation: Remote (National) Employment Type: Full TimeCompensation Pay Range:$120000-$140000/YrsDescription * Manage and support cloud-based enterprise resource planning and supply chain management environments. * Handle user provisioning, monitoring, and troubleshooting for cloud applications. * Ensure compliance with access controls and security standards. * Collaborate with various teams to support system changes and incident resolution. * Stay updated

System AdministratorJob Title - System Administrator

Vaco by HighspringCompany Name - Vaco by Highspring

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Mequon, Wisconsin, USA

Contract

Job Title -System Administrator Location:Mequon/Milwaukee Job Type:6-Month Contract-to-Hire Environment Hybrid Pay Rate- $50 to $55 per hour on W2 with Benefits Salary Conversion- $85,000 to $105,000 plus bonus About the Role We are seeking a skilled System Administratorto join our dynamic IT team. Youll play a critical role in managing, maintaining, and building modern Microsoft-based infrastructure environments. This position is ideal for someone passionate about working with cutting-edge tech

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

Overview Own Your Future. Modern Technology Solutions, Inc. (MTSI) is searching for a Network/System Administrator II 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