Principal Linux Systems Administrator Jobs in Baltimore, MD

1 - 20 of 337 Jobs

Senior Linux Systems AdministratorJob Title - Senior Linux Systems Administrator

LeidosCompany Name - Leidos

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Columbia, Maryland, USA

Full-time

Leidos has a new and exciting opportunity for a Senior Linux Systems Administrator in our National Security Sector's (NSS) Cyber & Analytics Business Area (CABA). Our talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical Methods and Modeling, Signals Intelligence (SIGINT), and Cryptographic Key Management. At Leidos, we offer competitive benefits, including Paid Time Off, 11 paid Holidays, 401K with a 6% company match and immed

Senior Linux Systems Administrator 10k Sign on BonusJob Title - Senior Linux Systems Administrator 10k Sign on Bonus

LeidosCompany Name - Leidos

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Columbia, Maryland, USA

Full-time

Linux Systems AdministratorJob Title - Linux Systems Administrator

PeratonCompany Name - Peraton

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College Park, Maryland, USA

Full-time

Responsibilities This position is an integral member of the Peraton Labs Network Systems and Cyber Mission Sector team supporting a customer site in College Park and Laurel, MD. Primarily location is College Park with the option for 1-2 days a week in Laurel. Responsibilities may include: Implement, maintain, and enhance complex and diverse research infrastructure systems and their appropriate security posturePerform Linux and Microsoft Windows system administration tasksWindows and Linux serv

Systems Administrator - LINUX / ContainerizationJob Title - Systems Administrator - LINUX / Containerization

Lockheed Martin CorporationCompany Name - Lockheed Martin Corporation

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Maryland, USA

Full-time

Job Description This position is participating in our External Referral Program. If you know somebody who may be a fit, click here to submit a referral. If your referral is hired, you'll receive a $3000 payment! This position may be eligible for a $25K sign on bonus for external hires! Systems Administrator - LINUX / Containerization WHAT WE'RE DOING Lockheed Martin, Cyber & Intelligence invites you to step up to one of today's most daunting challenges: the evolving threat of cyber warfare.

Sr. Linux/Windows Systems Administrator - Linthicum MD - SECRET and higher - F-22, Keystone, Triton Programs - 14352Job Title - Sr. Linux/Windows Systems Administrator - Linthicum MD - SECRET and higher - F-22, Keystone, Triton Programs - 14352

ASD, Inc.Company Name - ASD, Inc.

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Linthicum Heights, Maryland, USA

Contract

Sr. Linux/Windows Systems Administrator to join its Classified Solutions team in Linthicum, MD. As a member of the classified solutions, IT you ll work in a fast-paced team environment alongside engineers and program managers to help support and make our technologies a reality. This position will serve on-site at our Linthicum, MD campus; this is not a remote work opportunity. Responsibilities: Perform as a Linux/Redhat Systems Administrator for a classified government contract. Perform as a Wi

RedHAT Certified Linux Administrator musto to have RHCSA/RHCE Active and Valid CertificationJob Title - RedHAT Certified Linux Administrator musto to have RHCSA/RHCE Active and Valid Certification

Unisoft Technology IncCompany Name - Unisoft Technology Inc

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Woodlawn, Maryland, USA

Third Party, Contract

RESOURCE QUALIFICATIONS Bachelor s degree, or postgraduate degree, in engineering, computer science, or related field Must have Red Hat Certified Systems Administrator. - Certification must be issued by Red Hat and include the resource s valid certification number. Ten (10) or more years of experience as a Red Hat system administrator. Ten (10) or more years of experience administering Unix (AIX) IBM pSeries systems. Fifteen (15) or more years of experience in the Information Technology (IT) fie

Direct Client REK - Certified Red Hat Linux System AdministratorJob Title - Direct Client REK - Certified Red Hat Linux System Administrator

Unisoft Technology IncCompany Name - Unisoft Technology Inc

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Annapolis, Maryland, USA

Third Party, Contract

Job Description: We are seeking an experienced Red Hat Enterprise Linux (RHEL) System Administrator to support our client in Woodlawn, MD. This is a highly specialized, onsite position requiring advanced expertise in Linux and Unix system administration, particularly in Red Hat and IBM pSeries (AIX) environments. Key Responsibilities: Install, configure, and maintain Red Hat Enterprise Linux (RHEL) servers across development, test, and production environments Perform system upgrades, patch manag

Red Hat Linux AdministratorJob Title - Red Hat Linux Administrator

DK ConsultingCompany Name - DK Consulting

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Annapolis, Maryland, USA

Third Party, Contract

Position: Red Hat Linux Administrator C2C rate: $80/hr Client: Administrative office of the Courts (AOC) Location: 189 Harry S Truman Parkway, Annapolis, MD 21401 (three days onsite, two days remote) Duration: Five years Interview mode: In person at 187 Harry S Truman Parkway, Annapolis, MD 21401. DK Consulting Overview: Founded in May 2003, DK Consulting, LLC, a woman-owned small business, was formed to provide management and technology solutions based on industry best practices. DK Consulting,

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

Salem InfotechCompany Name - Salem Infotech

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Annapolis, Maryland, USA

Full-time

Title: Senior Red Hat Linux AdministratorLocation: Annapolis, MD (HYBRID)Duration: Long Term Description: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 r

Linux / UNIX Systems Administrator (PeopleSoft / Oracle)Job Title - Linux / UNIX Systems Administrator (PeopleSoft / Oracle)

Cymertek CorporationCompany Name - Cymertek Corporation

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Annapolis, Maryland, USA

Full-time

Linux / UNIX Systems Administrator (PeopleSoft / Oracle) 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 skilled and motivated Linux / UNIX Systems Administrator (PeopleSoft / Oracle) to join our team and support the administration and optimization of our critical systems. In this role, you will manage and maintain Linux/UNIX environments, ensuring the stability, security, and performance o

Linux / Unix Systems AdministratorJob Title - Linux / Unix Systems Administrator

Cymertek CorporationCompany Name - Cymertek Corporation

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Annapolis, Maryland, USA

Full-time

Linux / Unix Systems Administrator 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 dedicated and detail-oriented Linux / Unix Systems Administrator to join our team and ensure the stability, security, and efficiency of our systems infrastructure. In this role, you will be responsible for managing, monitoring, and maintaining Linux and Unix servers, troubleshooting system issues, and impleme

Senior Linux Administrator (Hybrid)Job Title - Senior Linux Administrator (Hybrid)

SYSCOM, Inc.Company Name - SYSCOM, Inc.

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Annapolis, Maryland, USA

Full-time

SYSCOM, Inc. provides specialized information technology resources that possess the requisite skills and capabilities to deliver enterprise level solutions that help our client s achieve their objectives. At SYSCOM, we have a proven process that brings the best and brightest resources into our organization. Our teammates have excellent verbal and written communication skills as well as coordination and organization skills. The objective of our approach is to ensure a high level of customer sat

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

Navitas Business Consulting IncCompany Name - Navitas Business Consulting Inc

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Annapolis, Maryland, USA

Contract

Job Description: Administrator consultant. The Senior Red Hat Linux Administrator will manage and optimize the client 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 practices. Scope Of Work: Installing, configuring, and maintaining Red Hat Enter

Senior Red Hat Linux Administrator ConsultantJob Title - Senior Red Hat Linux Administrator Consultant

Cogent Data Solutions LlcCompany Name - Cogent Data Solutions Llc

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Annapolis, Maryland, USA

Third Party, Contract

Hello Professionals, Cogent Data Solutions LLC is hiring for a Senior Red Hat Linux Administrator Consultant position with one of our direct clients. Check out the details listed below. I look forward to hearing back from you. Have a great day! Job Title:Senior Red Hat Linux Administrator ConsultantExperience: 15+yearsClient Name:Maryland Judiciary (STATE OF MARYLAND)Job Location:Annapolis, MD - (Hybrid - 2 days remote and 3 days onsite) Job ID:PORFP K23-0094-25L-7Interview: In person Job Requir

Senior Red Hat Linux Administrator consultantJob Title - Senior Red Hat Linux Administrator consultant

GreyMatter SolutionsCompany Name - GreyMatter Solutions

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Annapolis, Maryland, USA

Contract

Job Title: Senior Red Hat Linux Administrator consultant. Location: Annapolis, MD ( Two (2) days remote and 3 days on site.) Interview: in-person The Senior Red Hat Linux Administrator will manage and optimize the 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 s

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

Mansai CorporationCompany Name - Mansai Corporation

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Annapolis, Maryland, USA

Full-time

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 to streamline system administration tasks.Configuring and maintaining Red Hat Satel

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

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

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

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

Third Party, Contract

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