Principal Linux Systems Administrator Jobs in Maryland

21 - 40 of 375 Jobs

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

Linux Administrator/Support Desk Analyst - UJMSJob Title - Linux Administrator/Support Desk Analyst - UJMS

GovCIOCompany Name - GovCIO

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Remote

Full-time

Overview GovCIO is currently hiring for a Linux Administrator/Support Desk Analyst (SDA) provides service desk and application and security management services for the Unified Jury Management System (UJMS). The analyst will be required to have troubleshooting, analytical, and decision-making skills to provide support and resolution to end-user issues or questions. The incumbent will provide operational and technical support to resolve software application, security, and technical issues associa

Linux Administrator - Red HatJob Title - Linux Administrator - Red Hat

Convene Inc.Company Name - Convene Inc.

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Remote

Contract

About Convene Inc. Convene, Inc. is a Tampa based, award-winning technology services organization with offices and resources throughout the US, Mexico, and India. We have successful, referenceable customers, competitive benefits, and high-growth opportunities.Linux Administrator - Red Hat Duties will include but not limited to the following: Able to deploy and set up Red Hat Enterprise Linux on physical or virtual servers. Able to implement security policies, managing firewalls, and monitoring

Senior Red Hat Linux Administrator Consultant- Hybrid Annapolis, MDJob Title - Senior Red Hat Linux Administrator Consultant- Hybrid Annapolis, MD

Stellar IT SolutionCompany Name - Stellar IT Solution

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Annapolis, Maryland, USA

Contract, Third Party

5/5/2025 @4:30PM EST Position: Senior Red Hat Linux Administrator Consultant - PORFP K23-0094-25L-7 Location: 189 Harry S Truman Parkway, Annapolis, MD 21401 Onsite/ Remote: Hybrid Duration: Long-Term Submission Limit: 1 Can submit 1 candidate Must provide copy of degree & other evidence (i.e. transcript) Must provide copy of resources' Red Hat Certified Systems Administrator certification Signed Attachment O Resource Acknowledgement 2 days remote, 3 days on-site (Hybrid) Summary The AOC

Senior Red Hat Linux AdministratorJob Title - Senior Red Hat Linux Administrator

DTEL Engineering & Consultants IncCompany Name - DTEL Engineering & Consultants Inc

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Annapolis, Maryland, USA

Contract, Third Party

SCOPE OF WORK Offeror proposed resource shall be responsible for the following: a. Installing, configuring, and maintaining Red Hat Enterprise Linux (RHEL) servers across development, testing, and production environments.Performing system upgrades, patch management, and security hardening to ensure compliance with industry standards.Monitoring system performance and troubleshooting issues to minimize downtime and optimize efficiency.Implementing automation scripts using Ansible, Bash, or Python

Senior Red Hat Linux AdministratorJob Title - Senior Red Hat Linux Administrator

Trigint SolutionsCompany Name - Trigint Solutions

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Annapolis, Maryland, USA

Contract

The AOC is seeking proposals from prospective Offerors to provide one (1) Senior Red Hat Linux Administrator consultant. The Senior Red Hat Linux Administrator will manage and optimize the AOC s Red Hat Enterprise Linux (RHEL) environments. The resource will be responsible for ensuring system stability, security, and performance while supporting a range of enterprise applications. This role requires advanced expertise in Linux administration, automation, troubleshooting, and security best practi

Hybrid Systems Engineer, Sr (Windows / Linux) / Onsite: COJob Title - Hybrid Systems Engineer, Sr (Windows / Linux) / Onsite: CO

Lockheed Martin CorporationCompany Name - Lockheed Martin Corporation

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Remote or Littleton, Colorado, USA

Full-time

Job Description 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 employees work with our partners around the world to bring the latest technology 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 Enterprise Operations (EO) position supports the Lockheed Marti

Senior Red Hat Linux AdministratorJob Title - Senior Red Hat Linux Administrator

Chags Health Information Technology LLC (C-HIT)Company Name - Chags Health Information Technology LLC (C-HIT)

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Annapolis, Maryland, USA

Full-time

SUMMARY: Senior Red Hat Linux Administrator will manage and optimize the Client Red Hat Enterprise Linux (RHEL) environments. The resource will be responsible for ensuring system stability, security, and performance while supporting a range of enterprise applications. This role requires advanced expertise in Linux administration, automation, troubleshooting, and security best practices.QUALIFICATIONS: Resource that meet the following minimum qualifications: Bachelor s degree, or postgraduate deg

Linux Administrator - Scripting (SA2) (Government)Job Title - Linux Administrator - Scripting (SA2) (Government)

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

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Columbia, Maryland, USA

Full-time

Job Description: 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 customers' mission. Intelink Services provide interagency information sharing, content discovery, and collaboration capabilities on the IC s

Linux L3 Systems Engineer - Infrastructure Security, VP (C13)Job Title - Linux L3 Systems Engineer - Infrastructure Security, VP (C13)

CitiCompany Name - Citi

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Remote or New Castle, Delaware, USA

Full-time

About Citi: 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 systemic

Unix / Linux System Administrator with DevOpsJob Title - Unix / Linux System Administrator with DevOps

Cymertek CorporationCompany Name - Cymertek Corporation

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Annapolis, Maryland, USA

Full-time

Unix / Linux System Administrator with DevOps LOCATION Annapolis Junction, MD 20701 CLEARANCE TS/SCI Full Poly (Please note this position requires full U.S. Citizenship) KEY SUMMARY We are seeking a talented and motivated **Unix / Linux System Administrator with DevOps** expertise to join our team and manage the infrastructure that supports our applications and services. In this role, you will be responsible for maintaining, automating, and optimizing our Unix and Linux-based systems while int

Systems AdministratorJob Title - Systems Administrator

Booz Allen HamiltonCompany Name - Booz Allen Hamilton

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Fort Meade, Maryland, USA

Full-time

Job Number: R0219477 Systems Administrator The Opportunity: We're looking for a Linux systems administrator to be part of an Agile team supporting implementation, troubleshooting, and maintenance of mission critical systems. You'll perform systems administration responsibilities, including configuration, deployment, and management of RedHat-based operating systems and STN and STE hardening. You'll review and provide updates to System Security Plans, and manage IT system infrastructure virtualiza

Systems Administrator 3Job Title - Systems Administrator 3

Kforce Technology StaffingCompany Name - Kforce Technology Staffing

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Remote or Redmond, Washington, USA

Contract

RESPONSIBILITIES: Kforce has a client that is seeking a highly skilled Systems Administrator 3 in Redmond, WA. Key Responsibilities: * Systems Administrator 3 will maintain, configure, and troubleshoot Ubuntu Linux systems in production and development environments * Administer and manage Perforce (Helix Core) version control, Swarm code review systems, including user management, service configuration via SDP, Helix authentication service (HAS), replication, backups, disaster recovery, and upgr

Virtualization Systems AdministratorJob Title - Virtualization Systems Administrator

Johns Hopkins University AppliedPhysicsLaboratoryCompany Name - Johns Hopkins University AppliedPhysicsLaboratory

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Laurel, Maryland, USA

Full-time

Description Do you thrive in classified computing environments where you can apply your expertise in VMware and VDI. Are you passionate about virtualization technologies? If so, we're looking for someone like you to join our team at APL! As a Virtualization Systems Administrator you will do the following Installation, Configuration, Maintenance of ESXi/vSphere, vCenter.Administration of Omnissa Horizon.DoD/DISA STIG Implementation/Maintenance.Operational support of various VMware technologie

Linux Systems Engineer (TS Clearance Required)Job Title - Linux Systems Engineer (TS Clearance Required)

General DynamicsCompany Name - General Dynamics

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Annapolis, Maryland, USA

Full-time

Type of Requisition: Regular Clearance Level Must Currently Possess: Top Secret/SCI Clearance Level Must Be Able to Obtain: Top Secret SCI + Polygraph Public Trust/Other Required: None Job Family: Systems Engineering Job Qualifications: Skills: Complex Systems, High-Performance Computing (HPC) Systems, Linux, Management Tools, Systems Engineering Certifications: None Experience: 10 + years of related experience ship Required: Yes Job Description: Linux Systems Engineer GDIT is seeking a

Systems Administrator / SS&C or Advent or similar exp req(remote)Job Title - Systems Administrator / SS&C or Advent or similar exp req(remote)

KelltonCompany Name - Kellton

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Remote

Contract

IT Systems Administration / Wealth Management Client Midtown- Hybrid Long term contract and possible Contract to hire Role Summary Our Wealth Management client is seeking anIT Systems Administration to provide hands-on management of our on-premises IT infrastructure. This is a contract-to-hire position (initial two-year contract) based in New York City with a hybrid work structure. Reporting directly to the Chief Operating Officer (COO), the Director will ensure that all critical systems inclu

Systems Administrator with Poly Mid to SRJob Title - Systems Administrator with Poly Mid to SR

Lockheed Martin CorporationCompany Name - Lockheed Martin Corporation

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Annapolis, Maryland, USA

Full-time

Job Description THE WORK This senior role fosters collaboration with other senior engineers for the development of advanced data analytics solutions and agile development projects in support of a high-visibility mission. This position involves providing technical leadership and guidance on data analytics and agile development projects, as well as collaborating with cross-functional teams to drive mission objectives. WHO WE ARE At Lockheed Martin, we're a leading aerospace and defense company th

Senior Systems AdministratorJob Title - Senior Systems Administrator

CACI International, Inc.Company Name - CACI International, Inc.

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Annapolis, Maryland, USA

Full-time

Senior Systems Administrator Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS/SCI with Polygraph Employee Type: Regular Percentage of Travel Required: Up to 10% Type of Travel: Local * * * The Opportunity: CACI is seeking a Senior Linux Systems Administrator to provide support for implementation, troubleshooting and maintenance of Information Technology (IT) systems, manage IT system infrastructure and any processes related to these syste

Systems Administrator - TS/SCI with PolygraphJob Title - Systems Administrator - TS/SCI with Polygraph

General Dynamics Information TechnologyCompany Name - General Dynamics Information Technology

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Laurel, 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: IT Configuration Management, Linux Command, Linux Server Administration Certifications: None Experience: 10 + years of related experience ship Required: Yes Job Description: Transform technology into opportunity as a Systems Admini

Systems Administrator - TS/SCI with PolygraphJob Title - Systems Administrator - TS/SCI with Polygraph

General Dynamics Information TechnologyCompany Name - General Dynamics Information Technology

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Laurel, Maryland, USA

Full-time