Windows/Linux System Administrator Jobs in Baltimore, MD

101 - 120 of 715 Jobs

Systems Administrator 2Job Title - Systems Administrator 2

Apex SystemsCompany Name - Apex Systems

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Linthicum Heights, Maryland, USA

Full-time

Job#: 2071515 Job Description: Apex Systems is immediately seeking a Systems Administrator II (Linux/Windows) to join our large government integrators client's Mission Systems sectors Classified Solutions team in Linthicum, MD. ** If you or someone you know is interested in learning more about this, please send an up-to-date resume to Kalya Ivey-Russell at ** Position: Linux/Windows Systems Administrator Location: Linthicum, MD Duration: 6m CTH Compensation: Hourly rate on Apex's W2 ranges f

Sr. Software Engineer-Automated Test Framework TS/SCI PolyJob Title - Sr. Software Engineer-Automated Test Framework TS/SCI Poly

LeidosCompany Name - Leidos

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Annapolis, Maryland, USA

Full-time

Leidos has a new and exciting opportunity for an Automated Test Framework Software Engineer 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

Mobile Device EngineerJob Title - Mobile Device Engineer

BOOZ, ALLEN & HAMILTON, INC.Company Name - BOOZ, ALLEN & HAMILTON, INC.

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Fort Meade, Maryland, USA

Full-time

Mobile Device Engineer Key Role: Support mobile device and operating system Tier functions within a classified environment. Perform security and functional tests on secure mobile smartphones and tablets using sound testing principles and a variety of custom and this party tools. Configure devices and operating systems for use on unclassified and classified systems, including issuance and installation of X.509 Certificates and provisioning devices to an enterprise mobile management system. Lead

Active Directory EngineerJob Title - Active Directory Engineer

Booz Allen HamiltonCompany Name - Booz Allen Hamilton

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Fort Meade, Maryland, USA

Full-time

Job Number: R0221710 Active Directory Engineer Key Role: Design, install, configure, and maintain the organization's Windows Server and Active Directory ( AD ) based environments to meet the business needs. Apply advanced skills, extensive technical expertise, and full industry knowledge to manage and maintain the current IDM, Linux, and AD infrastructure. Develop innovative solutions to complex problems such as improving the current server configuration and infrastructure and migrating servers

Data ScientistJob Title - Data Scientist

Booz Allen HamiltonCompany Name - Booz Allen Hamilton

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Fort Meade, Maryland, USA

Full-time

Job Number: R0221143 Data Scientist The Opportunity: As a data scientist, you're excited at the prospect of unlocking the secrets held by a data set, and you're fascinated by the possibilities presented by IoT, machine learning, and artifi cia l intelligence. In an increasingly connected world, massive amounts of structured and unstructured data open new opportunities. As a data scientist at Booz Allen, you can help turn these complex data sets into useful information to solve global challenges.

REMOTE Cloud EngineerJob Title - REMOTE Cloud Engineer

ALTA IT ServicesCompany Name - ALTA IT Services

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Remote or Greenbelt, Maryland, USA

Full-time

ALTA IT has a Direct Hire position open for a Cloud Engineer. If you or anyone you know is interested in learning more, please send your updated resume to Looking forward to working with you! REMOTE Cloud Engineer ship is required Active Treasury clearance is preferred Responsibilities: Design, implement, and manage secure cloud architectures on platforms such as AWS, Azure, and/or Google Cloud Platform. Utilize extensive system administration experience to ensure seamless operations and hig

Systems EngineerJob Title - Systems Engineer

LeidosCompany Name - Leidos

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Odenton, Maryland, USA

Full-time

The Digital Modernization Sector at Leidos has an opening for an experienced Systems Engineer on the DISA Defense Red Switch Network team in support of an enterprise VoIP management system - GSM-O II contract at Fort Meade, MD. The successful candidate will have a systems engineering background responsible for system integration on a high-paced, fast-moving program. The candidate will be a member of a team that interacts with technical and non-technical individuals including customers and vendor

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

Software Cyber Engineer - SWE 0Job Title - Software Cyber Engineer - SWE 0

Lockheed Martin CorporationCompany Name - Lockheed Martin Corporation

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Maryland, USA

Full-time

Job Description This position may be eligible for a $25K sign on bonus for external hires! What We're Doing: Lockheed Martin, Cyber & Intelligence invites you to step up to one of today's most daunting challenges: the use of advanced electronics to undermine our way of life. You'll develop innovative offensive cyber capabilities that help protect the nation and the world. Cyber Lockheed Martin Who we are: Are you driven by the thrill of outsmarting even the most advanced security systems and

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

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

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

Sr. Cyber Security Analyst - Incident ResponseJob Title - Sr. Cyber Security Analyst - Incident Response

T. Rowe PriceCompany Name - T. Rowe Price

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Remote or Owings Mills, Maryland, USA

Full-time

At T. Rowe Price, we identify and actively invest in opportunities to help people thrive in an evolving world. As a premier global asset management organization with more than 85 years of experience, we provide investment solutions and a broad range of equity, fixed income, and multi-asset capabilities to individuals, advisors, institutions, and retirement plan sponsors. We take an active, independent approach to investing, offering our dynamic perspective and meaningful partnership so our clien

System Integration Engineer - Clearance RequiredJob Title - System Integration Engineer - Clearance Required

Lockheed MartinCompany Name - Lockheed Martin

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Fort Meade, Maryland, USA

Full-time

Job ID: 687931BR Date posted: Jun. 10, 2025 Description:This position may be eligible for up to $25K sign on bonus for external hires! What We're Doing: Lockheed Martin, Rotary Mission Systems Cyber & Intelligence invites you to step up to one of today's most daunting challenges: the use of advanced electronics to undermine our way of life. As a cyber security professional at Lockheed Martin, you'll protect the networks that our citizens and the world depend upon each minute: Financial assets

System Integration Engineer - Clearance RequiredJob Title - System Integration Engineer - Clearance Required

Lockheed MartinCompany Name - Lockheed Martin

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Fort Meade, Maryland, USA

Full-time

Application Engineer 4Job Title - Application Engineer 4

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: We are seeking a skilled and motivated Application Engineer with hands-on experience in Linux/Windows environments, data

CNO Cloud Exploiter TS/SCI FSPJob Title - CNO Cloud Exploiter TS/SCI FSP

Mission Box SolutionsCompany Name - Mission Box Solutions

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Laurel, Maryland, USA

Full-time

Our client is seeking a Principal CNO Cloud Exploiter to provide technical expertise supporting mission-critical software and systems for a large U.S. Government contract. This full-time role offers the opportunity to work on cutting-edge projects, providing mission-centric solutions in close collaboration with analysts, operators, data scientists, and other software engineers. Responsibilities: Analyze, design, develop, prototype, modify, and integrate solutions to achieve mission results.Work

DevOps Engineer IIJob Title - DevOps Engineer II

LeidosCompany Name - Leidos

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Fort Meade, Maryland, USA

Full-time

Description Job Description Leidos has a new and exciting opportunity for a DevOps Engineer 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

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

Systems Administrator - IntermediateJob Title - Systems Administrator - Intermediate

Johns Hopkins University AppliedPhysicsLaboratoryCompany Name - Johns Hopkins University AppliedPhysicsLaboratory

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Laurel, Maryland, USA

Full-time

Description Are you ready to advance your IT career by taking on a wide-ranging role that spans from frontline technical support to more intricate system administration tasks? We are looking for a skilled Intermediate Systems Administrator who will ensure the reliability, security, and performance of our broad IT environments-including stand-alone systems, networked infrastructures, and AWS cloud solutions in specialized SAR and SCI facilities. This position is vital to maintaining operationa