Linux / Unix Systems Administrator Jobs in Baltimore, MD

1 - 20 of 568 Jobs

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

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

Systems Analyst - Unix/LinuxJob Title - Systems Analyst - Unix/Linux

Maximus, Inc.Company Name - Maximus, Inc.

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Maryland, USA

Full-time

Description & Requirements Maximus is seeking a Telecommunications Analyst to provide expertise to a federal client in support of their mission critical systems in defense of our Homeland. This person will work with a collaborative team to provide expertise in the design, implementation, and maintenance of systems and technologies for a federal client's critical communication needs. This position is on-site and requires a Secret Clearance. Maximus TCS (Technology and Consulting Services) Inter

Systems Analyst - Unix/LinuxJob Title - Systems Analyst - Unix/Linux

Maximus, Inc.Company Name - Maximus, Inc.

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Maryland, USA

Full-time

Linux System AdministratorJob Title - Linux System Administrator

BrooksourceCompany Name - Brooksource

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Baltimore, Maryland, USA

Contract

Jr. Linux Administrator Location: Hybrid (2-3 days a week onsite); Local to Baltimore, MD; Philadelphia, PA; Washington, DC; Chicago, IL 6 Month Contract to Hire Pay Rate: $30-32/hr. on W2 w/ benefits The TechOps team at one of our largest Fortune 100 Energy clients is seeking a Unix Admin to provide hands on support for the maintenance and delivery of IT solutions. The ideal Jr. Unix Administrator will work alongside senior team members to help support RedHat servers, assist with server setup

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

Classified Linux Systems AdministratorJob Title - Classified Linux Systems Administrator

Johns Hopkins Applied Physics Laboratory (APL)Company Name - Johns Hopkins Applied Physics Laboratory (APL)

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Laurel, Maryland, USA

Full-time

Description Do you thrive in a fast-paced, dynamic classified environment? Do you want to be empowered to take ownership and stake in the overall engineering and operations of the IT infrastructure? Are you interested in learning new technologies and creating new IT capabilities? If so, we're looking for someone like you to apply and join our team at APL! We are ranked as one of Computerworld 's Top Places to Work in IT for 6 years running, and we are seeking a Linux Systems Administrator to hel

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

LeidosCompany Name - Leidos

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Annapolis, Maryland, USA

Full-time

Linux Systems AdministratorJob Title - Linux Systems Administrator

ManTechCompany Name - ManTech

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Maryland, USA

Full-time

ManTech seeks a motivated, career- and customer-oriented Linux Systems Administrator to join our team in Hanover, MD. This role supports a global workforce executing mission-critical operations in defense of our Nation. As part of the Enterprise Infrastructure Services (EIS) organization, you will help manage core infrastructure and support the delivery of Enterprise Information Technology (EIT), the foundational platform for all MPO users. You will work closely with customers, Integrated Produc

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.

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

Senior Linux Administrator - TS/SCI w/PolyJob Title - Senior Linux Administrator - TS/SCI w/Poly

JacobsCompany Name - Jacobs

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Linthicum Heights, Maryland, USA

Full-time

Your Impact: Are you interested in using your skills to help shape the Cyber, Security, & Intel space? If so, look no further. We are seeking an Senior Linux Administrator to join our team of passionate individuals on our Prime contract based out of Linthicum, Maryland. In this role you will support challenging, mission-critical projects that make a direct impact on the nation's security and intelligence mission. Responsibilities: Provides technical management, operations, and maintenance of sp

Classified Linux Systems AdministratorJob Title - Classified Linux Systems Administrator

Johns Hopkins University AppliedPhysicsLaboratoryCompany Name - Johns Hopkins University AppliedPhysicsLaboratory

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Laurel, Maryland, USA

Full-time

Linux System AdministratorJob Title - Linux System Administrator

PANGIAM a BigBear.ai CompanyCompany Name - PANGIAM a BigBear.ai Company

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Maryland, USA

Full-time

BigBear.ai is seeking a Linux Systems Administrator to a fast-paced team of system administrators providing support for implementation, troubleshooting and maintenance of InformationTechnology (IT) systems for critical enterprise applications. This position will report on site to Annapolis Junction, MD and requires a TS/SCI w/poly. What you will do Manage IT system infrastructure and any processes related to these systems.Provide support to IT systems including day-to-day operations, monitoring

Senior Linux Systems AdministratorJob Title - Senior Linux Systems Administrator

LeidosCompany Name - Leidos

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Annapolis, Maryland, USA

Full-time

Linux System AdministratorJob Title - Linux System Administrator

ManTechCompany Name - ManTech

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Fort Meade, Maryland, USA

Full-time

ManTech seeks an experienced and passionate, career and customer-oriented Linux System Administrator to join our team located in the Fort Meade, MD area. Responsibilities include, but are not limited to: Design, engineer, and implement automated hardening scripts for internal servers adding scalability while circumventing manual process for new operating system rollout.Configure host-based intrusion detection systems.Monitor and troubleshoot/examine detected anomalies.Developed automation scrip

Mid Level Linux AdministratorJob Title - Mid Level Linux Administrator

JacobsCompany Name - Jacobs

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Maryland, USA

Full-time

Are you interested in using your skills to help shape the Cyber, Security, & Intel space? If so, look no further. Amentum is seeking a Mid Level Linux Administrator to join our team of passionate individuals in Hanover, MD. In this role you will support challenging, mission-critical projects that make a direct impact on the Nation's security and intelligence mission. Your Impact: Our contract supports more than 12 efforts with varying levels of hardware and software development requirements. O

Linux System AdministratorJob Title - Linux System Administrator

ManTechCompany Name - ManTech

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Laurel, Maryland, USA

Full-time

ManTech seeks a motivated, career and customer-oriented Linux System Administrator to join our team in the Laurel, Maryland location. Responsibilities include, but are not limited to: Design, deploy and administer virtualized platforms, using VMWare.Configure and manage Linux and Solaris operating systemsInstalls/loads operating systems softwareTroubleshoot, maintain integrity of and configure network components, along with implementing operating systems enhancements to improve reliability and

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

Systems AdministratorJob Title - Systems Administrator

ManTechCompany Name - ManTech

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Laurel, Maryland, USA

Full-time

ManTech seeks a motivated and career-oriented Systems Administrator with Linux expertise to join our team in Laurel, MD. You will be part of a dedicated team delivering enterprise infrastructure capabilities for a global workforce that supports a wide range of national defense missions. This role directly supports the Enterprise Infrastructure Services (EIS) organization-the foundation of all Enterprise Information Technology (EIT) for MPO. Responsibilities include, but are not limited to:Suppo