Linux / Unix Systems Administrator Jobs in Baltimore, MD

21 - 40 of 573 Jobs

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

Modernization Cyber Systems Administrator - SA1Job Title - Modernization Cyber Systems Administrator - SA1

Lockheed Martin CorporationCompany Name - Lockheed Martin Corporation

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Maryland, USA

Full-time

Job Description Who You Are: Here, you are going to provide life-cycle services to advance mission in support of Cybersecurity and SIGINT midpoint collection. You will modernize and sustain capabilities to include providing new features and enhancements to Front End Solutions systems. This will allow for products to work at-scale with processing of target communications across multiple types of Midpoint accesses. You will propel the customer into the next phase of product suite modernization by

Modernization Cyber Systems Administrator - SA2Job Title - Modernization Cyber Systems Administrator - SA2

Lockheed Martin CorporationCompany Name - Lockheed Martin Corporation

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Maryland, USA

Full-time

Job Description The Work: We are seeking professionals interested in Systems Administration. Here, you are going to provide life-cycle services to advance mission in support of Cybersecurity and SIGINT midpoint collection. You will modernize and sustain capabilities to include providing new features and enhancements to Front End Solutions systems. This will allow for products to work at-scale with processing of target communications across multiple types of Midpoint accesses. You will propel t

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 Laurel, Maryland. Responsibilities include but are not limited to:Analyze and resolve complex problems associated with server hardware, applications, and software integration. Configure and manage LINUX and Solaris operating systems.Installs/loads operating systems software.Troubleshoot, maintain integrity of and configure network components.Implement operating systems enhancements to improve r

Systems AdministratorJob Title - Systems Administrator

ManTechCompany Name - ManTech

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Maryland, USA

Full-time

ManTech seeks a motivated, career and customer-oriented System Administrator, to join our team in Hanover, MD. The team delivers enterprise infrastructure capabilities for a global workforce performing a wide range of missions in defense of our Nation. This effort is the contract vehicle for the Enterprise Infrastructure Services organization overseeing MPO's Enterprise Information Technology (EIT). EIT is MPO's backbone- platform for all Enterprise users. Data Center & Compute Services is the

Senior Linux System AdministratorJob Title - Senior Linux System Administrator

Booz Allen HamiltonCompany Name - Booz Allen Hamilton

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Columbia, Maryland, USA

Full-time

Job Number: R0219640 Linux System Administrator, Senior The Opportunity: Your technical expertise makes you the team hero, solving one problem after another. What if you could use those skills to improve the technology supporting the Department of Defense? We're looking for a Cross Domain Platform System Administrator to help us design, deploy, and maintain Cross Domain Solutions for an enterprise environment that supports critical cybersecurity mission customers. As a Linux system administrato

Systems AdministratorJob Title - Systems Administrator

Base-2 Solutions, LLCCompany Name - Base-2 Solutions, LLC

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Annapolis, Maryland, USA

Full-time

Job Description Base-2 Solutions is seeking a Systems Administrator 3 who provides support for implementation, troubleshooting and maintenance of Information Technology (IT) systems. Manages IT system infrastructure and any processes related to these systems. Provides support to IT systems including day-to-day operations, monitoring and problem resolution for all of the client/server/storage/network devices, mobile devices, etc. Provides Tier 1 (Help Desk) and Tier 2 (Escalation) problem identi

ServiceNow Systems AdministratorJob Title - ServiceNow Systems Administrator

SAICCompany Name - SAIC

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Maryland, USA

Full-time

Job ID: 2504643 Location: ANNAPOLIS JUNCTION, MD, US Date Posted: 2025-04-17 Category: Information Technology Subcategory: Sys Administrator Schedule: Full-time Shift: Day Job Travel: No Minimum Clearance Required: TS/SCI with Poly Clearance Level Must Be Able to Obtain: TS/SCI with Poly Potential for Remote Work: No Description SAIC has an immediate opening for a ServiceNow Administrator in Annapolis Junction, on a very exciting program! In this role you will do many different things

Senior ServiceNow Systems AdministratorJob Title - Senior ServiceNow Systems Administrator

SAICCompany Name - SAIC

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Maryland, USA

Full-time

Job ID: 2504648 Location: ANNAPOLIS JUNCTION, MD, US Date Posted: 2025-04-15 Category: Information Technology Subcategory: Sys Administrator Schedule: Full-time Shift: Day Job Travel: No Minimum Clearance Required: TS/SCI with Poly Clearance Level Must Be Able to Obtain: TS/SCI with Poly Potential for Remote Work: No Description SAIC has an immediate opening for a ServiceNow Administrator in Annapolis Junction, on a very exciting program! In this role you will do many different things

Unix/Linux AdministratorJob Title - Unix/Linux Administrator

Parsons Services CompanyCompany Name - Parsons Services Company

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Remote

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: This job opening is for an experienced Unix/Linux Administrator to provide systems a

Systems AdministratorJob Title - Systems Administrator

ManTechCompany Name - ManTech

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Fort Meade, Maryland, USA

Full-time

ManTech seeks a System Administrator to join our team in the Ft. Meade, MD area. In this role, you will provide support for implementation, troubleshooting and maintenance of IT systems as well as manage IT system infrastructure and any processes related to these systems. Responsibilities include, but are not limited to: Responsible for providing support for implementation, troubleshooting and maintenance of IT systems while providing Tier 1 (Help Desk) problem identification, diagnosis and res

Linux System AdministratorJob Title - Linux System Administrator

Cymertek CorporationCompany Name - Cymertek Corporation

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Annapolis, Maryland, USA

Full-time

Linux System Administrator LOCATION Annapolis Junction, MD 20701 CLEARANCE TS/SCI Full Poly (Please note this position requires full U.S. Citizenship) KEY SUMMARY We are looking for a dedicated and skilled Linux Systems Administrator to join our team and play a vital role in managing and maintaining our Linux-based infrastructure. In this position, you will be responsible for deploying, configuring, monitoring, and troubleshooting Linux servers to ensure optimal performance, reliability, and s

Systems Infrastructure Engineer/Architect (Mainframe, AIX)Job Title - Systems Infrastructure Engineer/Architect (Mainframe, AIX)

DRC Systems USA LLCCompany Name - DRC Systems USA LLC

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New Jersey, USA

Full-time, Contract

Job Title: Systems Infrastructure Engineer/Architect (Mainframe, AIX) Location: Remote (Travel Requiured : 1 week at kickoff and maximum 1 week every 1-2 months at NYC.) Duration: Long-term We're seeking a Mainframe Infrastructure Engineer/Architect to join a team modernizing and supporting enterprise-grade systems. The ideal candidate has 10+ years of experience with CICS and zOS, and hands-on skills with AIX, LINUX, and IBM MQ. You'll lead CICS upgrades (v5.5 to 6.1), integrate monitoring t

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 Administrator 1Job Title - Systems Administrator 1

Realm OneCompany Name - Realm One

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Annapolis, Maryland, USA

Full-time

We're searching for talented individuals who provide intelligence, engineering, and mission management expertise for the Government. This program will maximize the effectiveness and efficiency of our country's most important missions both at home and abroad. If you are ready to support a high-performing team that truly makes a difference, then come join us! Job Description: Provides support for implementation, troubleshooting and maintenance of lnformation Technology (IT) systems. Manages IT s

Systems Administrator 2Job Title - Systems Administrator 2

Realm OneCompany Name - Realm One

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Annapolis, Maryland, USA

Full-time

Linux Systems AdministratorJob Title - Linux Systems Administrator

NTT DATA Americas, IncCompany Name - NTT DATA Americas, Inc

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Remote or Canton, Massachusetts, USA

Contract

Company Overview: Req ID: 331085 NTT DATA strives to hire exceptional, innovative and passionate individuals who want to grow with us. If you want to be part of an inclusive, adaptable, and forward-thinking organization, apply now. NTT DATA's Client is currently seeking a Linux Systems Administrator to join their team in REMOTE, Massachusetts (US-MA), United States (US). Job Description: Daily Responsibilities System Replacement Advisory Services. Develop system replacement approach and plan for

SAR/SCI Systems Administrator - Advanced 1Job Title - SAR/SCI Systems Administrator - Advanced 1

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 love solving complex technical problems in customized IT environments? Are you passionate about providing advanced system administration support for unique, mission-critical projects? Do you like contributing to innovative projects that directly impact national security? If so, we're looking for someone like you to join our team at APL. We are seeking a talented Tier 3 Systems Administrator to expertly manage, secure, and maintain customized Windows and Linux environments

SAR/SCI Systems Administrator - Advanced 1Job Title - SAR/SCI Systems Administrator - Advanced 1

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

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Laurel, Maryland, USA

Full-time

Senior Systems AdministratorJob Title - Senior Systems Administrator

LeidosCompany Name - Leidos

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Laurel, Maryland, USA

Full-time

Leidos has a new and exciting opportunity for a Senior 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 immediate v