system administrator AND security Jobs

61 - 80 of 246 Jobs

Senior System Administrator (Government)Job Title - Senior System Administrator (Government)

AT&T Inc.Company Name - AT&T Inc.

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Reston, Virginia, USA

Full-time

Job Description: This position requires office presence of a minimum of 5 days per week and is only located at customer's site. No relocation is offered. AT&T Global Public Sector is a trusted provider of secure, IP enabled, cloud-based, network solutions and professional services to the Federal Government. We are dedicated to recruiting, developing and empowering a diverse, high-performing workforce that is passionate about what they do, committed to our shared values and dedicated to our cus

System Administrator 3Job Title - System Administrator 3

Judge Group, Inc.Company Name - Judge Group, Inc.

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Seal Beach, California, USA

Full-time

Location: Seal Beach, CA Salary: $63.00 USD Hourly - $67.00 USD Hourly Description: Our client is currently seeking a System Administrator 3 with Active Top-Secret Clearance. Job Title: Systems Administrator Location: Seal Beach, Herdon, VA, Kennedy Space Center, FL Duration: 06+ Months Security Clearance: Top Secret (Active within the past 24 months required) Job Summary: We are seeking a Network Engineer to support proprietary program network operations for OCONUS customers. The role i

DIAS/Linux System AdministratorJob Title - DIAS/Linux System Administrator

LeidosCompany Name - Leidos

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Colorado Springs, Colorado, USA

Full-time

Description Leidos is seeking a Senior System Administrator to maintain 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 for the customer's custom DoDIIS Identity Attribute Service (DIAS) system based on Linux. This individual will work in a team envir

System AdministratorJob Title - System Administrator

Apex SystemsCompany Name - Apex Systems

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Herndon, Virginia, USA

Full-time

Job#: 2073271 Job Description: Apex Systems is Hiring for a System Administrator for a hybrid opportunity! If interested please email Erica Mokun, with a copy of your resume Job Title: System Administrator Hours/Shift: 9-5 LTC/CTH/Direct Hire: Contract Clearance: DoD issued secret security clearance Length: 1 year - potential to convert to FTE based on performance Location: 2355 Dulles Corner Blvd, Suite 525, Herndon, VA, USA, 20171 3 days a week onsite in Herndon. Must Haves: PowerShel

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

Modeling and Simulation System AdministratorJob Title - Modeling and Simulation System Administrator

LeidosCompany Name - Leidos

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Huntsville, Alabama, USA

Full-time

Looking for an opportunity to make an impact? At Leidos, we deliver innovative solutions through the efforts of our diverse and talented people who are dedicated to our customers' 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. Your greatest work is ahead! Leidos' Defense Systems L

System AdministratorJob Title - System Administrator

CCS Global TechCompany Name - CCS Global Tech

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Reston, Virginia, USA

Full-time

CCS Global Tech is a rapidly growing Information Technology company with a diverse portfolio of technology products and services and a large network of industry partnerships. With over 22 years of being a successful business with a global talent pool and presence, CCS is a certified Microsoft Gold Partner and specializes in delivering expert Microsoft based solutions for technical and business needs. We have been recognized by Inc. 500 Magazine as one of the fastest growing small companies in th

System Administrator/Network EngineerJob Title - System Administrator/Network Engineer

Lockheed MartinCompany Name - Lockheed Martin

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Jacksonville, Arkansas, USA

Full-time

Job ID: 691833BR Date posted: Apr. 24, 2025 Description:WHO WE ARE Lockheed Martin is a global leader in aerospace, defense, and technology solutions, dedicated to pushing the boundaries of innovation and shaping the future of the industry. With a rich legacy of excellence and a commitment to delivering advanced capabilities to our customers, we are proud to be at the forefront of cutting-edge technology and engineering. WHAT WE'RE DOING At Lockheed Martin, we're revolutionizing the aerospace

Research Infrastructure System AdministratorJob Title - Research Infrastructure System Administrator

Harvard UniversityCompany Name - Harvard University

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Boston, Massachusetts, USA

Full-time

Position Description The Research Infrastructure System Administrator will be responsible for supporting and maintaining Research Storage and related systems. You will be part of a Tier storage team, where you will assist in planning and independently conduct storage administration duties, as well as implement and maintain solutions to keep up with the pace of complex research problems. This role will work with senior staff to monitor and maintain the integrity of Research systems and provide

System AdministratorJob Title - System Administrator

SAICCompany Name - SAIC

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North Charleston, South Carolina, USA

Full-time

Job ID: 2500962 Location: NORTH CHARLESTON, SC, US Date Posted: 2025-04-16 Category: Information Technology Subcategory: Sys Administrator Schedule: Full-time Shift: Day Job Travel: Yes, 10 % of the Time Minimum Clearance Required: Secret Clearance Level Must Be Able to Obtain: None Potential for Remote Work: No Description SAIC has a contingent opening for a System Administrator supporting a large highly visible Naval Information Warfare Center Atlantic Data Center and Cloud Hosting

System Administrator Associate_TS/SCI with PolygraphJob Title - System Administrator Associate_TS/SCI with Polygraph

General DynamicsCompany Name - General Dynamics

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Aurora, Colorado, 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: Hardware Support, Information Technology (IT) Infrastructure, Technical Support, Troubleshooting Certifications: None Experience: 0 + years of related experience ship Required: Yes Job Description: Transform technology into opportun

Customer Service Engineer (System Administrator) (ESOM)Job Title - Customer Service Engineer (System Administrator) (ESOM)

KentroCompany Name - Kentro

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Lebanon, Pennsylvania, USA

Full-time

Description Thank you for considering IT Concepts dba Kentro, where innovation drives opportunity and collaboration leads to success. Our dynamic community of experts is fully committed to advancing our customers' missions, fostering professional growth, and making a positive impact on our communities. Our transition to Kentro in 2025 reflects a rich legacy built upon the foundation of IT Concepts. Rather than leaving ITC behind, we confidently embrace a future centered around the Core of More

System Administrator, Linux SME - TS/SCI RequiredJob Title - System Administrator, Linux SME - TS/SCI Required

Akima, LLCCompany Name - Akima, LLC

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Honolulu, Hawaii, USA

Full-time

Akima Systems Engineering (ASE) is looking for a System Administrator, Linux SME to work in Honolulu, HI. The System Administrator, Linux SME is responsible for the comprehensive management of over 60 servers across various networks and security classifications. This role is crucial in maintaining the operations, confidentiality, integrity, and availability of information assets in accordance with established IT standards and procedures. To join our team of outstanding professionals, apply toda

System AdministratorJob Title - System Administrator

LeidosCompany Name - Leidos

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Chantilly, Virginia, USA

Full-time

Are you ready to make an impact? Leidos Chief Information Security Office within our Digital Modernization sector is seeking a System Administrator at our Liberty Center location in Chantilly, VA. You must currently have a TS/SCI clearance and be willing and able to pass and maintain a polygraph clearance. What will you do in this role? In this role you will provide technical analysis in Microsoft Server and Workstation planning, engineering, and design. This is an exciting opportunity to use

Modeling and Simulation System AdministratorJob Title - Modeling and Simulation System Administrator

LeidosCompany Name - Leidos

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Huntsville, Alabama, USA

Full-time

Description Looking for an opportunity to make an impact? At Leidos, we deliver innovative solutions through the efforts of our diverse and talented people who are dedicated to our customers' 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. Your greatest work is ahead! Leidos' Defen

System AdministratorJob Title - System Administrator

General DynamicsCompany Name - General Dynamics

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Liberty, North Carolina, 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: Backup and Recovery (Software), Operating Systems (OS), Software Updates, Troubleshooting, Virtual Environments Certifications: CompTIA - Security+ - CompTIA Experience: 3 + years of related experience ship Required: Yes Job Description: Systems Administrator Seni

System AdministratorJob Title - System Administrator

AkkodisCompany Name - Akkodis

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Dallas, Texas, USA

Full-time

Akkodis is seeking a System Administrator for a contract job with a client in Dallas, TX(Hybrid). Responsibilities include managing and optimizing network performance, ensuring seamless wireless connectivity, and implementing Quality of Service (QoS) policies. Rate Range: $50/hour to $65 hour; The rate may be negotiable based on experience, education, geographic location, and other factors. System Administrator job responsibilities include: Configuring, managing, and troubleshooting Cisco swit

SCCM/MECM System AdministratorJob Title - SCCM/MECM System Administrator

LeidosCompany Name - Leidos

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Alexandria, Virginia, USA

Full-time

Leidos is seeking a Senior 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 indiv

Senior Linux System AdministratorJob Title - Senior Linux System Administrator

Parsons Services CompanyCompany Name - Parsons Services Company

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Aberdeen, Maryland, 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 Senior Linux Systems Administrator to j

ALIS System Administrator - level 2Job Title - ALIS System Administrator - level 2

Lockheed Martin CorporationCompany Name - Lockheed Martin Corporation

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Fort Worth, Texas, USA

Full-time

Job Description What You Will Be Doing At Lockheed Martin Aeronautics, we are driven by innovation and integrity. We believe that by applying the highest standards of business ethics and visionary thinking, everything is within our reach - and yours as a Lockheed Martin employee. Joining the Lockheed Martin ALIS team immediately opens a world of educational and experiential development opportunities for you. With experience, leadership opportunities become available as squadron leads, technica