Principal Linux Systems Administrator Jobs

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Systems Administrator, Senior (MSO)

General Dynamics

Livermore, California, USA

Full-time

Type of Requisition: Regular Clearance Level Must Currently Possess: Top Secret Clearance Level Must Be Able to Obtain: Top Secret/SCI Public Trust/Other Required: None Job Family: Systems Administration Job Qualifications: Skills: IT Networking, Networking, Networking Support Certifications: None Experience: 8 + years of related experience ship Required: Yes Job Description: Systems Administrator/Mission Support Operator - $10K Sign-on bonus *Classified work and therefore must be on-si

Senior Systems Administrator (Azure & On-Prem)

Maximus, Inc.

Pittsburgh, Pennsylvania, USA

Full-time

Description & Requirements We are seeking a skilled Hybrid Systems Engineer to design, implement, and manage integrated IT systems that span on-premise infrastructure and Microsoft Azure cloud environments. This role requires a deep understanding of hybrid architectures, ensuring seamless connectivity, security, and performance between on-premise systems and Azure cloud services. The ideal candidate will be a proactive problem-solver with hands-on experience in system administration, cloud deplo

Site Systems Security Administrator

Peraton

Herndon, Virginia, USA

Full-time

Responsibilities Job Description: Peraton is seeking an experienced senior Site Systems Security Administrator to join our national intelligence program that delivers engineering, application development, deployment, operations, upgrades and sustainment of products and services to achieve our client's global missions. Responsibilities: Implement and maintain security measures across IT systems, to include firewalls, intrusion detection systems, antivirus software, and other security protocols t

Senior Systems Administrator

SAIC

Colorado Springs, Colorado, USA

Full-time

Job ID: 2504319 Location: COLORADO SPRINGS, CO, US Date Posted: 2025-04-09 Category: Information Technology Subcategory: Sys Administrator Schedule: Full-time Shift: Day Job Travel: Yes, 10 % of the Time Minimum Clearance Required: TS/SCI Clearance Level Must Be Able to Obtain: TS/SCI with Poly Potential for Remote Work: No Description SAIC's Horizon 2 contract is seeking an energized and professional Senior Systems Administrator to support the contract's secure operating facilities i

Systems Administrator (Network Monitoring)

GovCIO

San Antonio, Texas, USA

Full-time

Overview GovCIO is currently hiring for a Systems Administrator (Network Monitoring) for Air Force Intel System. This position will be located in San Antonio, TX and will be an onsite position. Responsibilities Establishes and maintains smooth operation of computer systems (to include operating systems, software and hardware) in networked or stand-alone configurations, maintains system integrity, and upgrades systems and/or servers as required. May create and document new methods supporting n

SITEC - Systems Administrator (SR) -Camp H.M. Smith, HI

Peraton

Hawaii, USA

Full-time

Responsibilities Peraton requires Systems Administrators to support the Special Operation Command Information Technology Enterprise Contract (SITEC) - 3. Positions are located at the SOCOM Headquarters at MacDill, AFB FL, and at the TSOC and Component locations in the United States and abroad. Position is located at Camp H.M. Smith, Hawaii. The purpose of the Special Operations Forces Information Technology Enterprise Contract (SITEC) 3 Enterprise Operations and Maintenance (EOM) Task Order (TO

SITEC - Systems Administrator - Birmingham, AL

Peraton

Birmingham, Alabama, USA

Full-time

Responsibilities Peraton requires Systems Administrators to support the Special Operation Command Information Technology Enterprise Contract (SITEC) - 3. Positions are located at the SOCOM Headquarters at MacDill, AFB FL, and at the TSOC and Component locations in the United States and abroad. The role is located in Birmingham, AL. The purpose of the Special Operations Forces Information Technology Enterprise Contract (SITEC) 3 Enterprise Operations and Maintenance (EOM) Task Order (TO) is to p

Senior Systems Sustainment Administrator - Evening

SAIC

Suffolk, Virginia, USA

Full-time

Job ID: 2502771 Location: SUFFOLK, VA, US Date Posted: 2025-03-05 Category: Information Technology Subcategory: IT Systems Engineer Schedule: Full-time Shift: Evening Job Travel: Yes, 25 % of the Time Minimum Clearance Required: Secret Clearance Level Must Be Able to Obtain: None Potential for Remote Work: No Description SAIC is looking for a Senior Systems Engineer to serve as a Senior Systems Administrator with experience in US Navy IT networks to support the sustained operation and

Systems Sustainment Administrator - Evening

SAIC

Suffolk, Virginia, USA

Full-time

Job ID: 2502776 Location: SUFFOLK, VA, US Date Posted: 2025-03-05 Category: Information Technology Subcategory: IT Systems Engineer Schedule: Full-time Shift: Evening Job Travel: Yes, 25 % of the Time Minimum Clearance Required: Secret Clearance Level Must Be Able to Obtain: None Potential for Remote Work: No Description SAIC is looking for a Systems Engineer to serve as a Systems Administrator with experience in US Navy IT networks to support the sustained operation and maintenance o

Systems Sustainment Administrator - Day

SAIC

Suffolk, Virginia, USA

Full-time

Job ID: 2502774 Location: SUFFOLK, VA, US Date Posted: 2025-03-05 Category: Information Technology Subcategory: IT Systems Engineer Schedule: Full-time Shift: Day Job Travel: Yes, 25 % of the Time Minimum Clearance Required: Secret Clearance Level Must Be Able to Obtain: None Potential for Remote Work: No Description SAIC is looking for a Systems Engineer to serve as a Systems Administrator with experience in US Navy IT networks to support the sustained operation and maintenance of a

Systems Sustainment Administrator - Night

SAIC

Suffolk, Virginia, USA

Full-time

Job ID: 2502778 Location: SUFFOLK, VA, US Date Posted: 2025-03-05 Category: Information Technology Subcategory: IT Systems Engineer Schedule: Full-time Shift: Night Job Travel: Yes, 25 % of the Time Minimum Clearance Required: Secret Clearance Level Must Be Able to Obtain: None Potential for Remote Work: No Description SAIC is looking for a Systems Engineer to serve as a Systems Administrator with experience in US Navy IT networks to support the sustained operation and maintenance of

Systems Administrator

BlueHalo

Annapolis, Maryland, USA

Full-time

BlueHalo, an AV Company, is seeking a System Administrator to support a mission critical program in the Annapolis Junction, MD area. Our team seeks problem solvers, innovators, technologists, and operators looking to remain at the forefront of driving meaningful change and make an enduring impact on the national security mission. As a member of our team your work will align the most innovative solutions to evolve and transform how our customers accomplish their most complex challenges. You'd li

Systems Administrator- High Band (Entry)

Apex Systems

Hampton, Virginia, USA

Full-time

Job#: 2067618 Job Description: Systems Administrator (High Band) Location: Langley AFB Hampton, VA Travel: No Pay: $40-$54K Schedule: Shift Work (varies monthly) Type: Direct permanent hire w/ client Apply here: Please send your updated resume and relevant certifications to Emma at Qualifications: IAT II CompTIA Security+ certifiedAssociates Degree in Technical FieldHolds an Active TS/SCI Security Clearance1+ years of ELINT (Electronics Intelligence) experiencePreviorelevant systems admini

Systems Administrator - Hunt Valley

Textron, Inc.

Maryland, USA

Full-time

Job Summary: System Administrators collaborate with a diverse team to support classified information systems. Success in this role means you can develop, implement, and maintain secure, cost-efficient environments supporting the warfighters. Program teams rely on your collaboration and guidance to define computing requirements and develop solutions to solve infrastructure problems. Knowledge of Windows and Linux desktop and server operating systems is required. The System Administrator is respon

Systems Administrator- TS/SCI with Polygraph

General Dynamics

Springfield, Virginia, 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: Information Technology (IT), Linux, System Administration Certifications: Security+ CE - CompTIA Experience: 1 + years of related experience ship Required: Yes Job Description: Deliver simple solutions to complex problems as a Syste

Systems Administrator // MSP

Motion Recruitment Partners, LLC

Media, Pennsylvania, USA

Full-time

Job Description An IT consulting company based in Media, PA is seeking a Systems Administrator to join their team. In this client-facing role, you will be responsible for designing, deploying, and maintaining IT infrastructure solutions for a wide range of clients across various industries. You will work closely with clients to assess their needs and implement tailored solutions to optimize their IT environments, whether on-premises or in the cloud. This role is ideal for an engineer who thrive

Systems Administrator

Software Guidance & Assistance

New York, New York, USA

Contract

Software Guidance & Assistance, Inc., (SGA), is searching for a Systems Administrator for a RIGHT TO HIRE assignment with one of our premier Financial Services clients in mid-town Manhattan, NYC. Hybrid: 3+ days/week in office The successful candidate will play a pivotal role in maintaining and optimizing our company's IT infrastructure in our NYC office and offshore offices. The Systems Administrator should be proficient in monitoring, upkeeping, and implementing preventative maintenance for ou

Linux Information Systems Analyst, Sr / Secret / King of Prussia, PA

Lockheed Martin Corporation

King of Prussia, Pennsylvania, USA

Full-time

Job Description About Us: Our employees are the core of everything we do, and they are helping the future arrive. As a leading technology innovation company, our team of over 100,000 people works with partners around the world to bring proven performance to our customers' toughest challenges. Headquartered in Bethesda, MD, Lockheed Martin has employees based in all 50 states and more than 570 facilities that span 70 countries. This Lockheed Martin Enterprise Operations (EO) position will suppor

Systems Administrator

SAIC

Andover, Massachusetts, USA

Full-time

Job ID: 2501962 Location: ANDOVER, MA, US Date Posted: 2025-03-26 Category: Information Technology Subcategory: Sys Administrator Schedule: Full-time Shift: Day Job Travel: No Minimum Clearance Required: TS/SCI Clearance Level Must Be Able to Obtain: None Potential for Remote Work: No Description SAIC currently has a career opportunity for a Cyber Systems Administrator (SA) in our Andover, Massachusetts facility to support the US Space Force (USSF). Job Duties: Manage and maintain cur

Senior Systems Administrator

Leidos

Chantilly, Virginia, 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. The Leidos National Security Sector (NSS) combines technology-enabled services and mission software capabilities in th