3,074 Results for

Systems Administrator Jobs in Clifton, MD

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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.

6 days ago

Systems Administrator - multiple levels - FULLY CLEARED with POLYGRAPH REQUIRED Constellation Technologies

Annapolis Junction, Maryland

$172,000–$210,000 / year

The benefits package: • Affordable healthcare options with 80% employer paid premium PLUS a company-funded HSA • Comprehensive Dental insurance • Vision with 80% employer paid premium • Employer paid Life insurance 100% • Employer paid Short-term and Long-term disability 100% • Annual training, continued education, and professional memberships reimbursement • Unlimited access to Red Hat Enterprise Linux and AWS training and accreditation • Annual reimbursement for technology i.e. phones, computers, printers, etc. Linux, Windows, VMWare, Active Directory, Security+, Server Maintenance, Networking Due to federal contract requirements, United States citizenship and an active TS/SCI security clearance and polygraph are required for the position.

2 days ago

Systems Administrator III TAP Engineering

College Park, MD

Full time

This role supports the availability, reliability, and performance of mission-critical systems and infrastructure while working closely with agency management, internal customers, and technical teams to resolve complex issues. Bachelor’s degree in a related discipline with 15+ years of related experience, or 20+ years of related experience in lieu of a degree.

1 day ago

Systems Administrator - Level 01 - FULLY CLEARED with POLYGRAPH REQUIRED Constellation Technologies

Columbia, Maryland

$90,000–$120,000 / year

The benefits package: • Affordable healthcare options with 80% employer paid premium PLUS a company-funded HSA• Dental insurance with 100% employer paid premium• Vision with 80% employer paid premium• Employer paid Life insurance 100%• Employer paid Short-term and Long-term disability 100%• Annual training, continued education, and professional memberships reimbursement• Unlimited access to Red Hat Enterprise Linux, AWS, and NetApp training and accreditation• Annual reimbursement for technology i.e. phones, computers, printers, etc. The benefits package: • Affordable healthcare options with 80% employer paid premium PLUS a company-funded HSA • Comprehensive Dental insurance • Vision with 80% employer paid premium • Employer paid Life insurance 100% • Employer paid Short-term and Long-term disability 100% • Annual training, continued education, and professional memberships reimbursement • Unlimited access to Red Hat Enterprise Linux and AWS training and accreditation • Annual reimbursement for technology i.e. phones, computers, printers, etc.

4 days ago

HPC Systems Administrator, CNO Infrastructure Bitwise

Annapolis Junction, Maryland

$232,500–$273,500 / year

You'll use configuration management tools like Ansible to build repeatable, scalable deployment playbooks and create precise documentation of procedures, configurations, and lessons learned that allows any engineer to step in seamlessly. You'll work directly with users and distributed support teams to identify gaps in onsite support coverage, recommend improvements to reduce downtime, and optimize workflows.

4 days ago

Systems Administrator - FULLY CLEARED with POLYGRAPH REQUIRED Constellation Technologies

Hanover, Maryland

$125–$175 / hour

The benefits package: • Affordable healthcare options with 80% employer paid premium PLUS a company-funded HSA • Comprehensive Dental insurance • Vision with 80% employer paid premium • Employer paid Life insurance 100% • Employer paid Short-term and Long-term disability 100% • Annual training, continued education, and professional memberships reimbursement • Unlimited access to Red Hat Enterprise Linux and AWS training and accreditation • Annual reimbursement for technology i.e. phones, computers, printers, etc. Configure and manage UNIX and Windows operating systems and installs/loads operating system software, troubleshoots, maintain integrity and configure network components along with implementing operating systems enhancements to improve reliability and performance.

6 days ago

Systems Administrator (SA) Skill Level 3 Wyetech

Fort Meade, MD

$86.55–$117.21 / hour

Candidates must meet one (1) of the following education and experience combinations: Bachelor's degree in a technical discipline from an accredited college or university, plus fifteen (15) years of Systems Administration experience in programs and contracts of similar scope, type, and complexity. The Systems Administrator will support the installation, configuration, and sustainment of Commercial Off-the-Shelf (COTS), Government Off-the-Shelf (GOTS), and Free and Open-Source Software (FOSS) solutions while ensuring compliance with established security policies and operational requirements.

5 days ago

Systems Administrators - multiple levels - FULLY CLEARED with POLYGRAPH REQUIRED Constellation Technologies

Annapolis Junction, Maryland

$85,000–$240,000 / year

This position is open to multiple levels of years of experience; two (02) years within the last five (05) years must be directly related to Systems Administration: o Level 04 requires a minimum fifteen (15) years of experience o Level 03 requires a minimum twelve (12) years of experience o Level 02 requires a minimum nine (09) years of experience o Level 01 requires a minimum six (06) years of experience Minimum of High School Diploma. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.

6 days ago

Senior Systems Administrator Dixon Group Services LLC

Chestertown, MD

$80,000–$120,000 / year
Part time

In this role, you will play a key role in supporting and enhancing the organization's technology environment, including VMware, Microsoft 365, Azure, storage, networking, and cybersecurity systems. Strong ability to work independently and collaboratively to address incidents, problems, provide access management, and contribute to infrastructure enhancement projects.

6 days ago

Linux Infrastructure / Systems Administrator CACI International Inc.

Bethesda, MD

$86,600–$181,800 / year

Pay Range: There are a host of factors that can influence final salary including, but not limited to, geographic location, Federal Government contract labor categories and contract wage rates, relevant prior work experience, specific skills and competencies, education, and certifications. As a valued team member, you'll be part of a high-performing group dedicated to our customer's missions and driven by a higher purpose - to ensure the safety of our nation.

5 days ago

Windows Infrastructure / Systems Administrator CACI International Inc

Bethesda, MD

$86,600–$181,800 / year

Pay Range: There are a host of factors that can influence final salary including, but not limited to, geographic location, Federal Government contract labor categories and contract wage rates, relevant prior work experience, specific skills and competencies, education, and certifications. Responsibilities: MECM Infrastructure: Architect and maintain the MECM hierarchy, including Primary Sites, Distribution Points, and Management Points, Recast Server, WSUS server, and SQL server.

6 days ago

Windows Infrastructure / Systems Administrator CACI

Bethesda, Maryland

$86,600–$181,800 / year

Job Title: Windows Infrastructure / Systems AdministratorJob Category: Information TechnologyTime Type: Full timeMinimum Clearance Required to Start: Top SecretEmployee Type: RegularPercentage of Travel Required: NoneType of Travel:* * * The Opportunity: Support NSWC Carderock by maintaining their Microsoft Windows infrastructure. Patch & Vulnerability Management: Orchestrate enterprise-wide deployments of Microsoft "Patch Tuesday" updates Administer Recast Infrastructure: Install, configure, manage, and troubleshoot Recast Management Servers integrated with the MECM environment.

6 days ago

Linux Infrastructure / Systems Administrator CACI

Bethesda, Maryland

Pay Range : There are a host of factors that can influence final salary including, but not limited to, geographic location, Federal Government contract labor categories and contract wage rates, relevant prior work experience, specific skills and competencies, education, and certifications. As a valued team member, you’ll be part of a high-performing group dedicated to our customer’s missions and driven by a higher purpose – to ensure the safety of our nation.

6 days ago

Network Administrator/System Administrator Diné Development Corporation

Washington, District of Columbia

The compensation range listed for this position represents the good faith salary range Diné Development Corporation (DDC) and its subsidiaries reasonably expect to pay for the role, in accordance with applicable state and local pay transparency laws. Diné Development Corporation (DDC) is a Navajo Nation–owned family of companies that provides government agencies and commercial organizations with high-quality IT, professional, environmental, and research and development services.

8 days ago

Operational Technology Systems Administrator SME Deloitte Touche Tohmatsu Ltd

Washington, DC

$137,500–$183,300 / year

Required:Required: Bachelor Degree in Computer Science, Information Systems, Cybersecurity, Electrical Engineering, or Computer Engineering, and 12+ years of direct experience supporting Department of Defense (DoD) or Federal Government systems, including system administration of Federal hardware and software. Serving federal, state, & local government clients as well as public higher education institutions, our team of professionals brings fresh perspective to help clients anticipate disruption, reimagine the possible, and fulfill their mission promise.

7 days ago

Systems Administrator Chickasaw Nation Industries, Inc.

Aberdeen, MD

$100,000–$130,000 / year

System & Network Administration: Perform daily system administration tasks on Windows and/or Linux servers, including user account management, patching, and applying Security Technical Implementation Guides (STIGs). Chickasaw Nation Industries, Inc. serves as a holding company with multiple subsidiaries engaged in several lines of business (Business Services, Health, Infrastructure and Engineering, Mission Optimization, Technology and Transportation) for the federal government and commercial enterprises.

8 days ago

Assistant Computer Systems Administrator United States Courts

Baltimore, MD

$85,447–$102,415 / year

Court Name/Organization Maryland Federal Public Defender Location Baltimore, MD Opening and Closing Dates 10/26/2026 - 11/20/2026 Appointment Type Permanent Classification Level/Grade JS 11-12 Salary $85,447 - $102,415 Link to Job Announcement.

1 day ago

Linux Systems Administrator CACI International Inc

fort meade, MD

$120,800–$265,800 / year

The successful candidate will provide advanced systems administration, network infrastructure support, virtualization, automation, cybersecurity compliance, and enterprise systems maintenance while ensuring high availability, security, and operational readiness. Pay Range: There are a host of factors that can influence final salary including, but not limited to, geographic location, Federal Government contract labor categories and contract wage rates, relevant prior work experience, specific skills and competencies, education, and certifications.

10 days ago

Senior Linux Systems Administrator / Systems Engineer (Day, Night or Weekend Shift - TS/SCI with Polygraph required) Red Alpha

Annapolis Junction, Maryland

$175,000–$225,000 / year

Our total compensation package was strategically designed with our members in mind with the intention to: reward our members for their hard work and commitment to our customers' missions; allow members to share in Red Alpha's success as we continue to grow and expand our footprint; provide long-term career opportunities through stability and internal mobility; and provide the resources our members need to support themselves and their dependents in the form of a robust benefits package. Our approach in determining final salaries takes into consideration a number of factors such as education, certifications, total years of relevant professional experience, actual level of expertise, and the responsibilities of the role itself.

30+ days ago

Systems Administrator 3 Amentum

Hanover, Maryland

$195,000–$205,000 / year

Establishes and maintains contractor operating procedures, administration baselines, and repeatable maintenance practice consistent with Government direction; leads complex incident response and restoration; plans and coordinates maintenance events and upgrades; mentors administrators supporting servers, virtualization platforms, storage/backup, and supporting services. Execute and validate authorized maintenance activities (patching, upgrades, configuration changes) by developing technical implementation steps, performing pre/post validation, and capturing required evidence artifacts aligned to establishe3d change processes.

15 days ago

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Systems Administrator Jobs in Clifton, MD

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

Systems Administrator - multiple levels - FULLY CLEARED with POLYGRAPH REQUIRED Constellation Technologies

Systems Administrator III TAP Engineering

Systems Administrator - Level 01 - FULLY CLEARED with POLYGRAPH REQUIRED Constellation Technologies

HPC Systems Administrator, CNO Infrastructure Bitwise

Systems Administrator - FULLY CLEARED with POLYGRAPH REQUIRED Constellation Technologies

Systems Administrator (SA) Skill Level 3 Wyetech

Systems Administrators - multiple levels - FULLY CLEARED with POLYGRAPH REQUIRED Constellation Technologies

Senior Systems Administrator Dixon Group Services LLC

Linux Infrastructure / Systems Administrator CACI International Inc.

Windows Infrastructure / Systems Administrator CACI International Inc

Windows Infrastructure / Systems Administrator CACI

Linux Infrastructure / Systems Administrator CACI

Network Administrator/System Administrator Diné Development Corporation

Operational Technology Systems Administrator SME Deloitte Touche Tohmatsu Ltd

Systems Administrator Chickasaw Nation Industries, Inc.

Assistant Computer Systems Administrator United States Courts

Linux Systems Administrator CACI International Inc

Senior Linux Systems Administrator / Systems Engineer (Day, Night or Weekend Shift - TS/SCI with Polygraph required) Red Alpha

Systems Administrator 3 Amentum

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