Senior Systems Administrator Jobs in Baltimore, MD

1 - 20 of 29 Jobs

Senior Systems AdministratorJob Title - Senior Systems Administrator

Maximus, Inc.Company Name - Maximus, Inc.

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Maryland, USA

Full-time

Description & Requirements Serve as the System Administrator for a closed, restricted network and support other DoD guest systems at various classification levels. This position is on-site and requires an active TS/SCI clearance. Maximus TCS (Technology and Consulting Services) Internal Job Profile Code: TCS220, T4, Band 7 Job-Specific Minimum Responsibilities: Tasks include performing installation, troubleshooting, and other administrative tasks associated with ongoing maintenance and enhanceme

Senior Systems AdministratorJob Title - Senior Systems Administrator

CACI International, Inc.Company Name - CACI International, Inc.

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Annapolis, Maryland, USA

Full-time

Senior Systems Administrator Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS/SCI with Polygraph Employee Type: Regular Percentage of Travel Required: Up to 10% Type of Travel: Local * * * The Opportunity: CACI is seeking a Senior Linux Systems Administrator to provide support for implementation, troubleshooting and maintenance of Information Technology (IT) systems, manage IT system infrastructure and any processes related to these syste

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

Sr. Linux/Windows Systems Administrator - Linthicum MD - SECRET and higher - F-22, Keystone, Triton Programs - 14352Job Title - Sr. Linux/Windows Systems Administrator - Linthicum MD - SECRET and higher - F-22, Keystone, Triton Programs - 14352

ASD, Inc.Company Name - ASD, Inc.

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Linthicum Heights, Maryland, USA

Contract

Sr. Linux/Windows Systems Administrator to join its Classified Solutions team in Linthicum, MD. As a member of the classified solutions, IT you ll work in a fast-paced team environment alongside engineers and program managers to help support and make our technologies a reality. This position will serve on-site at our Linthicum, MD campus; this is not a remote work opportunity. Responsibilities: Perform as a Linux/Redhat Systems Administrator for a classified government contract. Perform as a Wi

Senior Systems AdministratorJob Title - Senior Systems Administrator

BlueHaloCompany Name - BlueHalo

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Annapolis, Maryland, USA

Full-time

Joining the BlueHalo team means immersing yourself in a dynamic environment, working alongside the brightest minds in technology through some of the toughest challenges facing our nation today. We are spearheading the future of global defense, with every BlueHalo employee playing a key role in our success. That's why our investment in you goes beyond competitive pay and a rewarding benefits package. We're committed to providing our people with the best opportunities to develop their skills, shar

Remote Senior Systems AdministratorJob Title - Remote Senior Systems Administrator

Global Channel Management, Inc.Company Name - Global Channel Management, Inc.

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Remote or Framingham, Massachusetts, USA

Full-time

Remote Senior Systems Administrator needs 10+ years as a Systems Administrator Remote Senior Systems Administrator requires: Logistics experience Project management required Retail experience Hands on system experience; issue logging and tracking and communicating with stakeholders System testing Trade compliance (ex: Datecart) experience is a plus Remote Senior Systems Administrator duties: Assist with application deployments and on-boarding Maintain functional knowledge of Logistics processe

Senior Linux Systems AdministratorJob Title - Senior Linux Systems Administrator

LeidosCompany Name - Leidos

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Columbia, 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

Sr Systems AdministratorJob Title - Sr Systems Administrator

Sierra Nevada CorporationCompany Name - Sierra Nevada Corporation

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Remote or Lone Tree, Colorado, USA

Full-time

Do you have an eye for detail and a passion for developing innovation solutions? Join our team! As a Sr Systems Administrator, you will be using your skills and expertise to assist in the analysis, development, and configuration of our existing software and systems that address business requirements and processes. You'll be responsible for evaluating the interface between hardware and software, operational requirements, and characteristics of our systems, establishing and documenting system para

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

LeidosCompany Name - Leidos

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Columbia, Maryland, USA

Full-time

Senior Systems Administrator, Senior Desktop EngineerJob Title - Senior Systems Administrator, Senior Desktop Engineer

Mass General BrighamCompany Name - Mass General Brigham

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Remote or Somerville, Massachusetts, USA

Full-time

Site: Mass General Brigham Incorporated At Mass General Brigham, we know it takes a surprising range of talented professionals to advance our mission-from doctors, nurses, business people and tech experts, to dedicated researchers and systems analysts. As a not-for-profit organization, Mass General Brigham is committed to supporting patient care, research, teaching, and service to the community. We place great value on being a diverse, equitable and inclusive organization as we aim to reflect t

Senior Infrastructure and Systems AdministratorJob Title - Senior Infrastructure and Systems Administrator

PeratonCompany Name - Peraton

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College Park, Maryland, USA

Full-time

Responsibilities This position is an integral member of the Peraton Labs Network Systems and Cyber Mission Sector team supporting a customer site in College Park and Laurel, MD. Primarily location is College Park with the option for 1-2 days a week in Laurel. Responsibilities may include: Implement, maintain, and enhance complex and diverse research infrastructure systems and their appropriate security posture.Perform Linux and Microsoft Windows system administration tasks.Windows and Linux se

Senior Systems and Network Administrator (US Remote)Job Title - Senior Systems and Network Administrator (US Remote)

Motorola SolutionsCompany Name - Motorola Solutions

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California, USA

Full-time

Company Overview At Motorola Solutions, we believe that everything starts with our people. We're a global close-knit community, united by the relentless pursuit to help keep people safer everywhere. Our critical communications, video security and command center technologies support public safety agencies and enterprises alike, enabling the coordination that's critical for safer communities, safer schools, safer hospitals and safer businesses. Connect with a career that matters, and help us buil

Systems Administrator, Senior AdvisorJob Title - Systems Administrator, Senior Advisor

PeratonCompany Name - Peraton

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Fort Meade, Maryland, USA

Full-time

Responsibilities Peraton is seeking a Senior Systems Administrator to join our team in the Fort Meade, MD / Annapolis Junction, MD area. Our dynamic team delivers information security solutions that facilitate secure data flows and the detection/prevention of unauthorized behaviors, performs system security vulnerability assessments and solution development, provide enterprise-level network, server, desktop, and application security services. Responsibilities may include: Support the design of

Linux Systems AdministratorJob Title - Linux Systems Administrator

LeidosCompany Name - Leidos

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Columbia, Maryland, USA

Full-time

Systems Administrator, SeniorJob Title - Systems Administrator, Senior

AmentumCompany Name - Amentum

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Aberdeen, Maryland, USA

Full-time

Amentum is now hiring for a Systems Administrator (Senior) position in support of the Field, Lab and Air Integration / Experimentation / Modeling and Risk Reduction office at Aberdeen Proving Grounds, MD and other locations. This project will provide the U.S. Army Combat Capabilities Development Command (DEVCOM), Command, Control, Computers, Communications, Cyber, Intelligence, Surveillance, and Research (C5ISR) Center services to include programmatic/business management services, engineering su

Senior IBMi Systems AdministratorJob Title - Senior IBMi Systems Administrator

Kforce Technology StaffingCompany Name - Kforce Technology Staffing

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Remote or San Diego, California, USA

Full-time

RESPONSIBILITIES: Kforce has a client in San Diego, CA that is seeking a Senior IBMi Systems Administrator. Responsibilities: * Install software and provide support of applications residing on servers as needed * Analyze and monitor network security access, conducting user access reviews as necessary * Assist in maintaining policies, practices, and SOX controls related to field of expertise; Properly document policies, practices, and controls for future reference, updating information as needed

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"

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

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

Systems AdministratorJob Title - Systems Administrator

QinetiQ USCompany Name - QinetiQ US

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Columbia, Maryland, USA

Full-time

Company Overview We are a world-class team of professionals who deliver next generation technology and products in robotic and autonomous platforms, ground, soldier, and maritime systems in 50+ locations world-wide. Much of our work contributes to innovative research in the fields of sensor science, signal processing, data fusion, artificial intelligence (AI), machine learning (ML), and augmented reality (AR). QinetiQ US's dedicated experts in defense, aerospace, security, and related fields a