2,729 Results for

Systems Administrator Jobs in Patterson, MD

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Dialysis Facility Administrator U.S. Renal Care

Bowie, MD

Continuously monitor to ensure that a safe and sanitary physical environment is maintained throughout the facility; that all equipment is maintained and functions properly; and that adequate and appropriate inventory levels of all supplies are available and used correctly. STAFF DEVELOPMENT/ RETENTION Ensure all staff meet required qualifications for position held and perform duties within limitations established by and in accordance with company policy/procedures, health care professionals practice acts, applicable state and federal laws and regulations.

30+ days ago

Systems Administrator Amentum

Hanover, Maryland

$140,000–$190,000 / year

The Windows Systems Administrator will be involved in the testing, preparation and deployment of Active Directory GPO’s and RBAC as well as automated server and workstation imaging and patching utilizing Windows MCM. responsible for completing all training requirements and fulfilling all self-aid/buddy aid responsibilities, participating in emergency response tasks and serving on safety committees and teams.

30+ days ago

Sr. Windows Systems Administrator Astrion

Columbia, Maryland

$145,000–$165,000 / year

Astrion has an exciting opportunity for a highly experienced Senior Windows Administrator to build, secure, and sustain the Windows Server estate, the Windows 11 workstation fleet, and the Active Directory and Windows network services that run across three or more isolated classified networks supporting Department of Defense/Department of War (DoD/DoW) environments in Columbia, MD. The ideal candidate brings deep Windows Server and Active Directory expertise, extensive experience operating inside closed and air-gapped classified enclaves, and a proven record of building and maintaining systems in compliance with Risk Management Framework (RMF) , DoD STIG , and Comply-to-Connect (C2C) requirements.

19 days ago

Sr. Windows Systems Administrator TS/SCI Poly Leidos Holdings Inc

Annapolis Junction, MD

$116,350–$210,325 / year

This role also includes supporting server, router, and firewall configuration, as well as performing security management and application performance optimization activities in an environment made up of VMware server hosts, Windows and Linux guest servers, and Virtual Desktop Infrastructure (VDI). Managing Information Assurance Vulnerability Alerts (IAVAs) and system security scanning in accordance with applicable System Security Plans, ensuring vulnerabilities are identified and remediated quickly and accurately.

30+ days ago

Windows Systems Administrator (Journeyman) Active Secret Peraton

Beltsville, Maryland

$112,000–$179,000 / year
Full time

Must hold (or obtain prior to start) at least one approved certification, maintained as a condition of employment: CASP+ CE, CCNA Cyber Ops, CCNA‑Security, CCNP Security, CEH, CFR, CISA, CISSP (or Associate), Cloud+, CySA+, GCED, GCIA, GCIH, GICSP, SCYBER, VCA‑DCV, PPDA, Agile IC, or SNOW App Dev. Experience with enterprise technologies such as Windows Server, Active Directory, virtualization platforms (e.g., Nutanix), and monitoring tools (e.g., Splunk, SolarWinds), along with basic familiarity with Linux operating systems given the primarily Linux-based environment.

23 days ago

Sr. Windows Systems Administrator Axient LLC

Columbia, MD

$145,000–$165,000 / year

Astrion has an exciting opportunity for a highly experienced Senior Windows Administrator to build, secure, and sustain the Windows Server estate, the Windows 11 workstation fleet, and the Active Directory and Windows network services that run across three or more isolated classified networks supporting Department of Defense/Department of War (DoD/DoW) environments in Columbia, MD. The ideal candidate brings deep Windows Server and Active Directory expertise, extensive experience operating inside closed and air-gapped classified enclaves, and a proven record of building and maintaining systems in compliance with Risk Management Framework (RMF), DoD STIG, and Comply-to-Connect (C2C) requirements.

30+ days ago

Windows Systems Administrator The Josef Group

Columbia, Maryland

Required: Bachelor’s degree in a technical discipline and 15 years’ experience as a System Administrator, OR High school diploma and 20 years’ experience as a System Administrator. Ability to demonstrate cyber/IT related experience with attention to detail, customer service, oral and written communication, and problem solving.

30+ days ago

Linux/Windows Systems Administrator - Secret Clearance PROLIM Global Corporation

Maryland, MD

Maintain smooth operation of all computer infrastructure in a multi-user computer system environment, including coordination of efforts with systems, software, and electrical design engineers, Information Systems Security Officers, PC desktop technicians, end users, network engineers, program/project managers, and IT management. Current DoD Secret security clearance (at a minimum), to include a closed investigation date completed within the last 6 years, or must be enrolled in the DoD Continuous Evaluation (CE) Program, in order to be considered; the required security clearance must be maintained as a condition of continued employment.

4 days ago

Sr. Windows Systems Administrator TS/SCI Poly Leidos

Annapolis Junction, Maryland

This role also includes supporting server, router, and firewall configuration, as well as performing security management and application performance optimization activities in an environment made up of VMware server hosts, Windows and Linux guest servers, and Virtual Desktop Infrastructure (VDI). • Managing Information Assurance Vulnerability Alerts (IAVAs) and system security scanning in accordance with applicable System Security Plans, ensuring vulnerabilities are identified and remediated quickly and accurately.

23 days ago

Windows Systems Administrator (Journeyman) Active Secret Peraton Inc

Beltsville, MD

$112,000–$179,000 / year

22 days ago

Senior Windows Systems Administrator NIH-NCBI

Bethesda, MD

The ideal candidate will possess deep technical proficiency across the Microsoft server ecosystem, including Active Directory, Entra ID, ADFS, IIS, SQL Server, Hyper-V, and MECM, while bringing strong hands-on administration experience in multi-cloud environments spanning Amazon Web Services (AWS) and Google Cloud Platform (GCP). In this role, you will maintain our primary Microsoft environment, plan unified infrastructure deployment strategies via Microsoft Configuration Manager (MECM/SCCM), and serve as an expert-level technical resource providing backup and primary support for complex Active Directory (AD DS) duties.

30+ days ago

System Engineer / System Administrator SE1orSA2 - (UNIX, Windows, IT Systems) Akina

Annapolis Junction, Maryland

Bachelor’s degree in System Engineering, Computer Science, Information Systems, Engineering Science, Engineering Management, or related discipline from an accredited college or university is required. Provide 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.

8 days ago

Senior Windows Systems Administrator Black Canyon Consulting

Bethesda, MD

17 days ago

Senior Systems Administrator IV Caelum Research Corporation

Aberdeen, Maryland

Core Responsibilities & Technical Qualifications Windows Systems Administration: Install, configure, and manage Microsoft server operating systems, with a heavy emphasis on Windows Server operating systems, Active Directory (AD) configuration, Group Policy (GPO) management, and associated middleware. Security & Compliance: Apply Defense Information Systems Agency (DISA) Security Technical Implementation Guides (STIGs) to harden systems, remediate advanced security vulnerabilities, manage identity and access configurations, and ensure overall system security compliance.

25 days ago

Epic Certified Systems Administrator (ECSA) - Sr Systems Engineer Johns Hopkins Hospital

Hanover, MD

Establish and oversee backup/archive schedules and procedures, and lead maintenance activities (patching, upgrades, recoveries, account management) to ensure data/media recoverability and operational continuity. Monitor, tune, and report on system performance, integrity, and capacity using management/monitoring tools; detect incidents, perform root cause analysis, and drive corrective actions.

7 days ago

Windows Systems Administrator Leidos

Arlington, VA

$73,450–$132,775 / year

Apply today to become part of theLeidos team that is assisting CESO as they migrate to a high security cloud environment by providing network and communication services, monitoring services, and system administration. This program is establishing a modern secure web service (SWS) operation as part of a state-of-the-art, highly automated platform capable of supporting a rapidly expanding customer population.

22 days ago

Windows Systems Administrator Tetrad Digital Integrity LLC

Arlington, VA

Full time

This program is establishing a modern secure web service (SWS) operation as part of a state-of-the-art, highly automated platform capable of supporting a rapidly expanding customer population. Apply today to become part of the Leidos team that is assisting CESO as they migrate to a high security cloud environment by providing network and communication services, monitoring services, and system administration.

30+ days ago

MD-Windows Systems Administrator - TS/SCI w/ Polygraph Sunayu

Annapolis Junction, MD

This role also includes supporting server, router, and firewall configuration, as well as performing security management and application performance optimization activities in an environment made up of VMware server hosts, Windows and Linux guest servers, and Virtual Desktop Infrastructure VDI. Must have at least 5 years of experience with each of the following: Implementing and managing Windows Active Directory and DNS environments Creating and managing Group Policy Objects GPOs Microsoft SCCM Microsoft Exchange administration and Exchange Management Shell.

30+ days ago

Systems Administrator – Linux & Windows Mission Infrastructure Vibrint

Annapolis Junction, MD

Full time
Quick Apply

Candidates must meet one of the following education and experience combinations:A high school diploma, plus twenty (20) years of systems administration experience; orA bachelor's degree, plus fifteen (15) years of systems administration experience. As a Systems Administrator, you will sustain Linux and Windows infrastructure supporting DevOps and live mission systems across three backend environments at different classification levels.

7 days ago

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Systems Administrator Jobs in Patterson, MD

Dialysis Facility Administrator U.S. Renal Care

Systems Administrator Amentum

Sr. Windows Systems Administrator Astrion

Sr. Windows Systems Administrator TS/SCI Poly Leidos Holdings Inc

Windows Systems Administrator (Journeyman) Active Secret Peraton

Sr. Windows Systems Administrator Axient LLC

Windows Systems Administrator The Josef Group

Linux/Windows Systems Administrator - Secret Clearance PROLIM Global Corporation

Sr. Windows Systems Administrator TS/SCI Poly Leidos

Windows Systems Administrator (Journeyman) Active Secret Peraton Inc

Senior Windows Systems Administrator NIH-NCBI

System Engineer / System Administrator SE1orSA2 - (UNIX, Windows, IT Systems) Akina

Senior Windows Systems Administrator Black Canyon Consulting

Senior Systems Administrator IV Caelum Research Corporation

Epic Certified Systems Administrator (ECSA) - Sr Systems Engineer Johns Hopkins Hospital

Windows Systems Administrator Leidos

Windows Systems Administrator Tetrad Digital Integrity LLC

MD-Windows Systems Administrator - TS/SCI w/ Polygraph Sunayu

Systems Administrator – Linux & Windows Mission Infrastructure Vibrint

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