system administrator Jobs in maryland

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System Administrator (SA2) with Poly

Lockheed Martin Corporation

Annapolis, Maryland, USA

Full-time

Job Description THE WORK This role involves comprehensive technical planning and execution across the full system lifecycle, including system integration, verification and validation, cost and risk analysis, and sustainment. Proficiency or exposure to Linux is a plus as many systems rely on Linux-based environments for development, deployment, and operational support. WHO WE ARE At Lockheed Martin, we're a leading aerospace and defense company that's shaping the future of cyber and intelligen

System Administrator

Mitchell Martin, Inc.

Remote or New York, New York, USA

Full-time, Contract

Title: System AdministratorLocation: Remote Employment Type: ContractCompensation Pay Range:$34.68-$51.00/HrsDescription Provide operational support with a U.S.-based and offshore resource for 24-hour coverage. Deploy configuration updates and manage releases across various instances. Create, modify, and audit users, groups, and roles. Install, upgrade, and retire modules as needed. Maintain and enhance existing integrations with project management and development tools. Design and implement new

Senior System Administrator

Resourcesoft, Inc.

Baltimore, Maryland, USA

Contract

Requirements: 5+ years in Microsoft Active Directory administration Proficiency in Windows Server and Desktop environments Experience with VMware ESXi virtualization platforms Experience in managing MikroTik routers, switches, and network configuration Experience with OpenVPN and secure remote access solutions Experience in Microsoft SQL Server installation and maintenance Strong communication skills for cross-functional collaboration Responsibilities: Manage and support enterprise Active Direct

Cloud System Administrator and Engineer

Booz Allen Hamilton

Bethesda, Maryland, USA

Full-time

Job Number: R0223484 Cloud System Administrator and Engineer The Opportunity: Your combination of people skills and system administrator knowledge makes you the team hero, solving one problem after another. What if you could use those skills to improve the technology supporting mission-critical infrastructure? We're looking for a system administrator who can understand and design networks and systems to help us maintain and upgrade mission hardware and sof tware applications. As a system admini

System Administrator Level 3

General Dynamics Information Technology

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: Linux, ServiceNow Platform, Unix Certifications: None Experience: 15 + years of related experience ship Required: Yes Job Description: Provides support for implementation, troubleshooting and maintenance of information Technology (

Senior System Administrator

Booz Allen Hamilton

Catonsville, Maryland, USA

Full-time

Job Number: R0222587 System Administrator, Senior The Opportunity: Your combination of people skills and system administrator expertise makes you the team hero, solving one problem after another. What if you could use those skills to improve the technology supporting our client? As a System Administrator on our project, you'll support the operation, maintenance, and design of information technology resources within a laboratory for High Performance Computing ( HPC ) technology and data analytic

Restore System Administrator - TS/SCI w/Poly

General Dynamics Information Technology

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: Backup and Recovery (Software), Disaster Recovery (DR), Information Technology (IT) Systems Certifications: None Experience: 5 + years of related experience ship Required: Yes Job Description: Restore System Administrator Transform

Sr. System Administrator

Leidos

Odenton, Maryland, USA

Full-time

Description The Defense group at Leidos has a career opening for a System Administration Site Lead on a DISA contract. This role is primarily on the customer site at Ft. Meade, MD. The site lead will manage a team of 4-5 personnel providing support for assigned systems supporting Joint Worldwide Intelligence Communications System (JWICS). PRIMARY RESPONSIBILITIES:Directly report to Tier II/ Program Management on all technical and personnel concerns Utilize senior Linux sys admin experience to m

System Administrator (Top-Secret SCI CI Poly)

Take2 Consulting

Fort Meade, Maryland, USA

Full-time

System Administrator Overview We are seeking a skilled Senior-Level FSR/Developer with expertise across various IT disciplines, including virtualization, operating systems, networking, automation, and security. The ideal candidate will have hands-on experience in the following areas: Virtualization and Infrastructure (VMware/ESXi): Hands-on experience with virtualization and infrastructure (VMware/ESXi)Proficient in deploying and managing virtual machines (VMs) within vSphereStrong understanding

System Administrator I

General Dynamics Information Technology

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: Information Technology (IT), Information Technology (IT) Systems, Operating Systems (OS), Problem Resolution, Troubleshooting Certifications: None Experience: 4 + years of related experience ship Required: Yes Job Description: Syste

System Administrator II

General Dynamics Information Technology

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: Communication, Information Systems, Operating Systems (OS), System Security, Systems Software Certifications: None Experience: 4 + years of related experience ship Required: Yes Job Description: #ITPolyMD Provide support for implemen

System Administrator Level IV

General Dynamics Information Technology

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: Active Directory (AD), Operating Systems (OS), OS Configuration, PC Installation Certifications: None Experience: 10 + years of related experience ship Required: Yes Job Description: System Administrator Level IV Description: Manag

System Administrator I

General Dynamics Information Technology

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: Communication, Information Technology (IT), Network Components, Operating Systems (OS), Troubleshooting Certifications: None Experience: 4 + years of related experience ship Required: Yes Job Description: Provides support for implem

System Administrator

SAIC

Fort Meade, Maryland, USA

Full-time

Job ID: 2506155 Location: FORT MEADE, MD, US Date Posted: 2025-06-18 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: None Potential for Remote Work: No Description SAIC, a leading provider of systems engineering & integration, systems development & deployment, intelligence analysis and targeting, and training solutions for the Intelligence

Sr. System Administrator

Leidos

Odenton, Maryland, USA

Full-time

The Defense group at Leidos has a career opening for a System Administration Site Lead on a DISA contract. This role is primarily on the customer site at Ft. Meade, MD. The site lead will manage a team of 4-5 personnel providing support for assigned systems supporting Joint Worldwide Intelligence Communications System (JWICS). PRIMARY RESPONSIBILITIES: Directly report to Tier II/ Program Management on all technical and personnel concernsUtilize senior Linux sys admin experience to maintain and

Senior Linux System Administrator

Booz Allen Hamilton

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

Sr. System Administrator TS/SCI Poly

Leidos

Annapolis, Maryland, USA

Full-time

Leidos has a new and exciting opportunity for a System 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 vesting,

System Administrator IV - HPC

Leidos

Annapolis, Maryland, USA

Full-time

The Digital Modernization Sector at Leidos currently has an immediate need for an experienced System Administrator - IV HPC for a new customer on a strategic High-Performance Computing (HPC) program. The Senior System Administrator will need to be a self-starter with excellent analytical and problem-solving skills, flexibility, good judgment, and the ability to work within a team to mature the HPC capabilities of our customer. Primary Responsibilities: Manage essential infrastructure services,

Linux System Administrator

Booz Allen Hamilton

Aberdeen Proving Ground, Maryland, USA

Full-time

Job Number: R0221928 Linux System Administrator The Opportunity: Your combination of people skills and system administrator knowledge makes you the team hero, solving one problem after another. What if you could use those skills to improve the technology supporting the U.S. Government? We're looking for a system administrator who specializes in Linux with skills in Linux FIPS mod, full disk encryption using LUKS, TANG, Clevis, VMWare, and Active Directory. As a Linux system administrator on our

System Administrator Level IV

General Dynamics Information Technology

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: Computer Servers, Linux, Microsoft Windows, Troubleshooting Certifications: None Experience: 9 + years of related experience ship Required: Yes Job Description: System Administrator Level IV Transform technology into opportunity as