Senior Systems Administrator Jobs in Maryland

1 - 20 of 25 Jobs

Senior Systems AdministratorJob Title - Senior Systems Administrator

LeidosCompany Name - Leidos

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Laurel, Maryland, USA

Full-time

Leidos has a new and exciting opportunity for a Senior Systems 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 v

Senior Systems Administrator (Linux/Windows)Job Title - Senior Systems Administrator (Linux/Windows)

GovCIOCompany Name - GovCIO

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Remote

Full-time

Overview GovCIO is hiring for a Senior Systems Administrator (Linux and Windows) to provide on-going support for the administration of the core system applications and perform operational tasks such as monitoring system resources and perform routine maintenance tasks in support of 24x7 life cycle applications to include on-call support. Work location is in Washington, DC and will be a hybrid remote with periodic onsite customer work activities. Must be willing to work nights, have an active Sec

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

Senior Linux Systems AdministratorJob Title - Senior Linux Systems Administrator

LeidosCompany Name - Leidos

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Annapolis, Maryland, USA

Full-time

Leidos has a new and exciting opportunity for a Senior Linux Systems 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 immed

Senior Linux Systems AdministratorJob Title - Senior Linux Systems Administrator

LeidosCompany Name - Leidos

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Columbia, Maryland, USA

Full-time

Senior Linux Systems Administrator - 10k Sign on BonusJob Title - Senior Linux Systems Administrator - 10k Sign on Bonus

LeidosCompany Name - Leidos

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Annapolis, Maryland, USA

Full-time

Sr. ERP and CRM Systems AdministratorJob Title - Sr. ERP and CRM Systems Administrator

EclaroCompany Name - Eclaro

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Remote

Contract

ECLARO is a company that delivers talent. We provide fully customizable, comprehensive talent acquisition and management of seasoned professionals through a number of business models, including: Consulting, Professional Hire, Global Integrated Delivery and Managed Services. Kindly email with a Word resume along with the position ID number, your hourly rate and availability. This is Homer Ballega. I am a Recruiter with ECLARO. We are first tier suppliers of technical services to several Fortune 5

Senior Network/Systems AdministratorJob Title - Senior Network/Systems Administrator

GovCIOCompany Name - GovCIO

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Remote

Full-time

Overview GovCIO is currently hiring for a Senior Network/Systems Administrator with an active Secret clearance. This position will be located in Sterling, VA and will be a fully remote position. Responsibilities Establishes and maintains smooth operation of computer systems (to include operating systems, software and hardware) in networked or stand-alone configurations, maintains system integrity, and upgrades systems and/or servers as required. May create and document new methods supporting

IT Sr Systems Administrator - virtualJob Title - IT Sr Systems Administrator - virtual

Alight Solutions LLCCompany Name - Alight Solutions LLC

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New Jersey, USA

Full-time

Are you a DevOps enthusiast looking for an exciting opportunity to showcase your skills? Look no further! We're on the lookout for a dynamic DevOps Engineer to join our team! Our Story At Alight, we believe a company's success starts with its people. At our core, we Champion People, help our colleagues Grow with Purpose and true to our name we encourage colleagues to "Be Alight." Our Values Champion People - be empathetic and help create a place where everyone belongs. Grow with purpose - b

G2 Senior Systems Administrator | Active Top Secret clearanceJob Title - G2 Senior Systems Administrator | Active Top Secret clearance

General DynamicsCompany Name - General Dynamics

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Remote

Full-time

Type of Requisition: Pipeline Clearance Level Must Currently Possess: Top Secret Clearance Level Must Be Able to Obtain: Top Secret Public Trust/Other Required: None Job Family: Systems Engineering Job Qualifications: Skills: Microsoft Windows Server, System Administration, Virtual Environments Certifications: None Experience: 6 + years of related experience ship Required: Yes Job Description: Transform technology into opportunity as a Senior Systems Administrator with GDIT. A career in

G2 Directory Services Engineer / Senior Systems Administrator | Active Top Secret clearanceJob Title - G2 Directory Services Engineer / Senior Systems Administrator | Active Top Secret clearance

General DynamicsCompany Name - General Dynamics

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Remote

Full-time

Type of Requisition: Pipeline Clearance Level Must Currently Possess: Top Secret Clearance Level Must Be Able to Obtain: Top Secret Public Trust/Other Required: None Job Family: Systems Engineering Job Qualifications: Skills: Directory Services, System Administration, Technical Support Certifications: None Experience: 8 + years of related experience ship Required: Yes Job Description: Transform technology into an opportunity as a Directory Services Engineer / Senior Systems Administrator

Senior Systems Security AdministratorJob Title - Senior Systems Security Administrator

Johns Hopkins University AppliedPhysicsLaboratoryCompany Name - Johns Hopkins University AppliedPhysicsLaboratory

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Laurel, Maryland, USA

Full-time

Description Are you interested in creating new IT security capabilities and learning new cybersecurity technologies? Do you want to have a stake in the overall security posture and assessment of the IT infrastructure? If so, we're looking for someone like you to apply and join our team at APL! We are seeking a Senior Systems Security Administrator (SSA) to be part of APL 's Classified IT Services team. We provide technical expertise to meet compliance and security objectives in environments co

Lead Systems Administrator 3Job Title - Lead Systems Administrator 3

PANGIAM a BigBear.ai CompanyCompany Name - PANGIAM a BigBear.ai Company

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Columbia, Maryland, USA

Full-time

BigBear.ai is hiring a Lead Systems Administrator 3 for an exciting upcoming Cyber Operations contract award to support contracts that provide enterprise architecture and standards related systems engineering. You will be coordinating activities pertaining to the development, documentation, and maintenance of the enterprise architecture. Tasks will include providing system engineering, configuration management, deployment management, planning, scheduling, and related processes, tools, and practi

Network and Computer Systems Administrator Senior (Range Support) #603Job Title - Network and Computer Systems Administrator Senior (Range Support) #603

InDyneCompany Name - InDyne

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Maryland, USA

Full-time

InDyne is a full-service military, civilian and commercial operations company. Our Mission is to provide tailored cost effective, quality services and solutions. Our Vision is to exceed customer expectations by delivering results through agility, flexibility and responsiveness. Our Core Values include integrity, trust and loyalty. RT&T, a joint venture of InDyne, Inc. and Amentum Services, Inc. is the prime contractor to support the Atlantic Range Technical Support Services (ARTSS) for the Naval

Systems Administrator Senior - TS/SCI requiredJob Title - Systems Administrator Senior - TS/SCI required

General DynamicsCompany Name - General Dynamics

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Fort Meade, Maryland, USA

Full-time

Type of Requisition: Regular Clearance Level Must Currently Possess: Top Secret/SCI Clearance Level Must Be Able to Obtain: Top Secret SCI + Polygraph Public Trust/Other Required: None Job Family: Systems Administration Job Qualifications: Skills: Computing, IT Hardware, System Administration Certifications: None Experience: 10 + years of related experience ship Required: Yes Job Description: Systems Administrator Senior - TS/SCI required Transform technology into opportunity as a Syste

G2 SharePoint Systems Administrator | Active Top Secret clearanceJob Title - G2 SharePoint Systems Administrator | Active Top Secret clearance

General DynamicsCompany Name - General Dynamics

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Remote

Full-time

Type of Requisition: Pipeline Clearance Level Must Currently Possess: Top Secret Clearance Level Must Be Able to Obtain: Top Secret Public Trust/Other Required: None Job Family: Systems Engineering Job Qualifications: Skills: Microsoft SharePoint Administration, SharePoint Management, System Administration Certifications: None Experience: 6 + years of related experience ship Required: Yes Job Description: Transform technology into opportunity as a SharePoint / Systems Administrator with

Mid-Level C-17 Remote Sites Systems AdministratorJob Title - Mid-Level C-17 Remote Sites Systems Administrator

Boeing CompanyCompany Name - Boeing Company

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Washington, USA

Full-time

Mid-Level C-17 Remote Sites Systems Administrator Company: The Boeing Company The Boeing Company's Specialized United States (U.S.) Infrastructure Operations organization is currently seeking a Mid-Level C-17 Remote Sites Systems Administrator to join the team in Joint Base Lewis-McChord, WA. This position will require the individual to support users at remote U.S. Air Force locations and work with virtual teammates across multiple time zones. The selected candidate will perform a multi-discip

Systems Administrator with Network Skills - Clearance RequiredJob Title - Systems Administrator with Network Skills - Clearance Required

Lockheed Martin CorporationCompany Name - Lockheed Martin Corporation

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Annapolis, Maryland, USA

Full-time

Job Description This position is participating in our External Referral Program. If you know somebody who may be a fit, click here to submit a referral. If your referral is hired, you'll receive a payment! code-extrefer Senior Systems Network Administrator - Clearance Required WHAT WE'RE DOING Join Lockheed Martin Rotary and Mission Systems, Cyber & Intelligence, where we foster innovation and integrity. As a Senior Systems Network Administrator, you'll be empowered to create "new realities"

Sr. Systems AdminJob Title - Sr. Systems Admin

Zachary Piper Solutions, LLCCompany Name - Zachary Piper Solutions, LLC

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Aberdeen Proving Ground, Maryland, USA

Full-time

Piper Enterprise Solutions is seeking a Sr. Systems Admin - Linux for an on-site position located in Aberdeen, MD to join an amazing team responsible for providing technical and administrative support to support the DoD and other federal government agencies across all program activities. Responsibilities for the Sr. Systems Admin: Install, configure, and support the organization's local area network (LAN), wide area network (WAN), and Internet systems, ensuring seamless connectivity and perfor

Systems Administrator (IT Program Services)Job Title - Systems Administrator (IT Program Services)

NightwingCompany Name - Nightwing

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Annapolis, Maryland, USA

Full-time

Nightwing provides technically advanced full-spectrum cyber, data operations, systems integration and intelligence mission support services to meet our customers' most demanding challenges. Our capabilities include cyber space operations, cyber defense and resiliency, vulnerability research, ubiquitous technical surveillance, data intelligence, lifecycle mission enablement, and software modernization. Nightwing brings disruptive technologies, agility, and competitive offerings to customers in th