system administrator and security Jobs

61 - 80 of 276 Jobs

Human Resources Information System AdministratorJob Title - Human Resources Information System Administrator

Talent XpanseCompany Name - Talent Xpanse

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California, USA

Full-time

Job DescriptionJob Title: Senior HRIS Administrator, People Systems & Optimization (ADP Workforce Now) Location: On-site in Office Are you someone who treats a system as an opportunity to architect solutions for complex problems? Do you believe documentation is a power tool, training is influence, and vendor partnerships are business opportunities? If so, this role may uniquely align with your intrinsic fulfillment and career goals. About the Role: Our client is seeking a Senior HRIS Administrat

Senior System AdministratorJob Title - Senior System Administrator

Booz Allen HamiltonCompany Name - Booz Allen Hamilton

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Washington, District of Columbia, USA

Full-time

Job Number: R0221564 System Administrator, Senior The Opportunity: Your combination of people skills and te chn ical expertise makes you the team hero, solving one problem after another. What if you could use those skills to improve the te chn ology supporting the Department of Defense ( DoD ) ? We're looking for a systems administrator who spe cia lizes in working within classified environments supporting agencies with a solid background in windows operating systems to help us build and deploy

Cloud System AdministratorJob Title - Cloud System Administrator

Robert HalfCompany Name - Robert Half

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Lexington, Kentucky, USA

Contract

Description We are looking for a skilled Cloud System Administrator to join our team in Lexington, Kentucky! In this long-term contract role, you will play a pivotal part in maintaining and optimizing our IT infrastructure, with a focus on cloud-based solutions and cybersecurity. This position offers an exciting opportunity to collaborate across departments, implement advanced technologies, and ensure robust system functionality. Responsibilities: Monitor and analyze system performance to ens

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

Linux System AdministratorJob Title - Linux System Administrator

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

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Aberdeen, Maryland, USA

Full-time

Piper Enterprise Solutions is seeking an Linux System Administrator to join a stable and well known team located at Aberdeen Proving Ground. Responsibilities of the Linux System Administrator: Install, configure, and support an organization's local area network (LAN), wide area network (WAN), and Internet systems or a segment of a network system. Monitor network to ensure network availability to all system users and may perform necessary maintenance to support network availability. May monitor

Mid Linux System AdministratorJob Title - Mid Linux System Administrator

Booz Allen HamiltonCompany Name - Booz Allen Hamilton

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Washington, District of Columbia, USA

Full-time

Job Number: R0221402 Linux System Administrator, Mid Key Role: Provide hands-on experience managing Linux-based IT components. Provide network and systems administration support for all cybersecurity systems in the Enterprise. Provide systems administration and engineering support for non-Windows operating systems such as Linux-based systems, including Redhat Enterprise Linux (RHEL). Support the networking administration focused on enterprise infrastructure systems such as Cisco and Cisco ISE,

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

Sr. System Administrator - VMwareJob Title - Sr. System Administrator - VMware

LeidosCompany Name - Leidos

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Odenton, Maryland, USA

Full-time

The Defense group at Leidos has a career opening for a System Administration on a DISA contract. This role is primarily on the customer site at Ft Meade, MD. Administrator will provide support for assigned systems supporting Joint Worldwide Intelligence Communications System (JWICS). PRIMARY RESPONSIBILITIES: Provide Senior level expertise for VMware environment.Lead as the Subject Matter Expert on all VMware related issues/needs.Provide support for ticket escalation on major outages.Be able to

System Administrator IV - HPCJob Title - System Administrator IV - HPC

LeidosCompany Name - Leidos

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Saratoga Springs, Utah, USA

Full-time

The Digital Modernization Sector at Leidos currently has an immediate need for an experienced System Administrator - IV HPC for a new customer on a strategic High-Performance Computing (HPC) program. The Senior System Administrator will need to be a self-starter with excellent analytical and problem-solving skills, flexibility, good judgment, and the ability to work within a team to mature the HPC capabilities of our customer. Locations: These positions will be onsite. Candidates need to be loc

System Administrator-Senior LevelJob Title - System Administrator-Senior Level

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

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

LeidosCompany Name - Leidos

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Tucson, Arizona, USA

Full-time

Description 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 sel

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 (Night Shift) (Active Secret Clearance Required with Ability to obtain TS/SCI)Job Title - System Administrator (Night Shift) (Active Secret Clearance Required with Ability to obtain TS/SCI)

Akima, LLCCompany Name - Akima, LLC

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Colorado Springs, Colorado, USA

Full-time

Five Rivers Analytics is looking for a System Administrator to work in Colorado Springs, CO. Administers, develops, runs tests, implements, and maintains operating system and related software. Establishes and implements standards for computer operations for compatibility between hardware and software, according to specifications and parameters. Troubleshoots and resolves software, operating system, and networking problems. Schedules, performs, and monitors system backups and performs data recove

On-Prem System Administrator - ServiceNowJob Title - On-Prem System Administrator - ServiceNow

Apex SystemsCompany Name - Apex Systems

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Bellevue, Nebraska, USA

Full-time

Job#: 2072835 Job Description: TS/SCI Clearance Required JOB SUMMARY: The On-Prem System Administrator- ServiceNow at Apex Systems will collaborate with the internal team to maintain and optimize our customers software systems. In this role, the System Administrator will serve as a resource for the Platform Architect and the greater team, assisting with internal projects by performing administrative tasks, generating reports, creating documentation, providing training, and offering support as n

Linux System Administrator (Service Desk)Job Title - Linux System Administrator (Service Desk)

General DynamicsCompany Name - General Dynamics

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Colorado, USA

Full-time

Basic Qualifications Education Requirements: Bachelor's degree in a specialized area; or equivalent is required plus a minimum of 5 years of relevant experience; or Master's degree plus a minimum of 3 years of relevant experience Clearance Requirements: Department of Defense TS/SCI security clearance with ability to obtain a Polygraph is required at time of hire. Applicants selected will be subject to a U.S. Government security investigation and must meet eligibility requirements for access

Sr. System AdministratorJob Title - Sr. System Administrator

InceedCompany Name - Inceed

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Houston, Texas, USA

Full-time

Job DescriptionCompensation: $100K $150K Location: Midland, TX (Onsite, 5 days a week) Position: Sr. System Administrator Inceed has partnered with a great company to help find a skilled Sr. System Administrator to join their team! This is a unique opportunity to join a growing, agile organization that has seen significant M&A activity in the past two years. While the company is well-established, it maintains a close-knit, collaborative culture where team members are not siloed and communicati

Senior Windows System AdministratorJob Title - Senior Windows System Administrator

RTX CorporationCompany Name - RTX Corporation

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El Segundo, California, USA

Full-time

Date Posted: 2025-06-17 Country: United States of America Location: CA222: 2006 E El Segundo Blvd BldgE04 2006 East El Segundo Boulevard Building E04, El Segundo, CA, 90245 USA Position Role Type: Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirements: The ability to obtain and maintain a U.S. government issued security clearance is required.Security Clearance: DoD Clearance: Secret At Raytheon, the foundation of everything we do is rooted in our values and a higher calling - to

System AdministratorJob Title - System Administrator

Maxar Technologies Holdings IncCompany Name - Maxar Technologies Holdings Inc

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Chantilly, Virginia, USA

Full-time

Please review the job details below. Are you a System Administrator that likes working on important and high visibility projects? Then we need your help! We have an urgent and immediate need for a Systems Administrator to join our team at a customer-site in Chantilly, VA. Life with Us Project: This customer office Provides Geospatial Support across the Enterprise. You will have the opportunity to help support applications enabling critical missions. The job will allow you to be instrumental in

Network Tools System AdministratorJob Title - Network Tools System Administrator

Electronic Consulting Services, Inc (ECS Federal)Company Name - Electronic Consulting Services, Inc (ECS Federal)

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Albuquerque, New Mexico, USA

Full-time

Job Description ECS is seeking a System Administrator - Network Tools professional to support a major national laboratory, in Albuquerque, NM . The department this position supports provides world class IT Infrastructure service for the end users in support of the mission and national security. They will be responsible for providing modern telecommunications systems for data, telephone, wireless LAN, RF Microwave, and encryption capabilities with emphasis on securing and protecting the client's

System Administrator Level IVJob Title - System Administrator Level IV

General DynamicsCompany Name - General Dynamics

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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: System Administrator Level IV Description: Manag