3,788 Results for

Systems Administrator Jobs in Columbia, MD

Jobs

Linux System Administrator Johns Hopkins Applied Physics Laboratory (APL)

Laurel, MD

In this role, you will apply Risk Management Framework (RMF) principles, develop new IT capabilities in secure networks, and provide advanced system administration across complex classified infrastructures, helping drive innovation, security, and operational excellence. Have demonstrated experience working with the following operating systems and technologies: Windows Server 2022, Windows 11, and Red Hat Enterprise Linux 8, 9, and 10 or greater, Active Directory integration and authentication services, and DNS, Group Policy and cross-platform access issues.

3 days ago

Systems Engineer – Data & Analysis Infrastructure Johns Hopkins Applied Physics Laboratory (APL)

Laurel, MD

Possess a BS degree in systems engineering, computer science, computer engineering, engineering science, or related field, or have relevant certifications (such as CompTIA Network+, CompTIA Server+, Linux certifications, etc.) and equivalent experience in systems engineering responsibilities including: developing use cases and requirements, test planning, and performing analysis to balance cost, schedule, and risk. The Signal and Systems Analysis Group (KTA) provides data-driven design and analytical assessments of Anti-Submarine Warfare (ASW) operator in-the-loop system performance to advance the warfighting capabilities of developmental and fielded systems across multiple US Navy domains.

4 days ago

Warehouse Clerical Support Administrator - 2nd Shift Best Buy

Curtis Bay, MD

$18.72–$26.20 / hour

Certain roles, where market norms demand it, are eligible for various forms of incentive pay to drive performance and offer recognition for achieving financial and strategic results. Best Buy provides different types of leaves of absence (LOA) and potential pay sources to employees based on eligibility.

Today

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

DRSN Engineer/Administrator Govcio LLC

Herndon, VA

$110,000–$125,000 / year

Possesses expert-level IT field support and leadership skills, enabling the management and direction of complex service request fulfillment and network/computer systems administration across multiple operating systems. Exhibits leadership in evaluating service performance, actively managing and documenting tickets, ensuring high-quality resolution, system optimization, and recommending significant changes for overall service delivery.

3 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.

20 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

Senior Linux/Windows Systems Administrator Ascension Federal Services

Springfield, Virginia

Location: Springfield, VA Clearance: TS/SCI Position Overview: The Linux/Windows Systems Administrator is responsible for the design, implementation, maintenance, and security of the organization's Linux and Windows server infrastructure. Scripting and Automation: Develop and maintain scripts using Bash, Python, or PowerShell to automate routine tasks, streamline processes, and improve system efficiency.

30+ days ago

Windows Systems Administrator Bart & Associates

Alexandria, VA

$140,000–$200,000 / year

B&A is proud to offer three robust individual and family medical plans to full time employees, including a Health Savings Account (HSA) option as well as two tiers of dental coverage, vision, life & AD&D, disability, accident, hospital indemnity, and critical illness insurance. In recognition of all these efforts, B&A has been named a Companies as Responsive Employers (CARE) award recipient by Northern Virginia Family Services and nominated by the Northern Virginia Chamber of Commerce for Outstanding Corporate Citizenship Award.

30+ days ago

Windows Systems Administrator Bart & Associates Inc

Alexandria, VA

$140,000–$200,000 / year

In recognition of all these efforts, B&A has been named a Companies as Responsive Employers (CARE) award recipient by Northern Virginia Family Services and nominated by the Northern Virginia Chamber of Commerce for Outstanding Corporate Citizenship Award. B&A is proud to offer three robust individual and family medical plans to full time employees, including a Health Savings Account (HSA) option as well as two tiers of dental coverage, vision, life & AD&D, disability, accident, hospital indemnity, and critical illness insurance.

30+ days ago

Windows Systems Administrator - TS/SCI w/Polygraph General Dynamics Information Technology

McLean, Virginia

Demonstrated experience with Windows systems engineering and administration, including MSSQL databases, Active Directory Certificate Services (ADCS), VM clusters, Hyper-V, Data Protection Manager, and PowerShell scripting. To ensure our employees are able to protect their income, other offerings such as short and long-term disability benefits, life, accidental death and dismemberment, personal accident, critical illness and business travel and accident insurance are provided or available.

4 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.

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.

24 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.

24 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

Senior AWS Windows Systems Administrator VTG

Springfield, Virginia

Full time

This pivotal role focuses on the end-to-end installation, management, and optimization of the Windows-based servers hosting this platform within a secure Amazon Web Services (AWS) cloud environment. Overview: We are seeking a highly skilled and motivated Senior Windows Systems Administrator to join our project team delivering and supporting a COTS platform for our government customer in Springfield, VA.

16 days ago

Windows Systems Administrator - TS/SCI w/Polygraph GD Information Technology

McLean, Virginia

4 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

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Systems Administrator Jobs in Columbia, MD

Linux System Administrator Johns Hopkins Applied Physics Laboratory (APL)

Systems Engineer – Data & Analysis Infrastructure Johns Hopkins Applied Physics Laboratory (APL)

Warehouse Clerical Support Administrator - 2nd Shift Best Buy

Dialysis Facility Administrator U.S. Renal Care

DRSN Engineer/Administrator Govcio LLC

Systems Administrator Amentum

Sr. Windows Systems Administrator Astrion

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

Senior Linux/Windows Systems Administrator Ascension Federal Services

Windows Systems Administrator Bart & Associates

Windows Systems Administrator Bart & Associates Inc

Windows Systems Administrator - TS/SCI w/Polygraph General Dynamics Information Technology

Linux/Windows Systems Administrator - Secret Clearance PROLIM Global Corporation

Windows Systems Administrator (Journeyman) Active Secret Peraton

Sr. Windows Systems Administrator TS/SCI Poly Leidos

Windows Systems Administrator The Josef Group

Senior AWS Windows Systems Administrator VTG

Windows Systems Administrator - TS/SCI w/Polygraph GD Information Technology

Sr. Windows Systems Administrator Axient LLC

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