Windows/Linux System Administrator Jobs in Baltimore, MD

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81 - 100 of 715 Jobs

Senior Vulnerability Researcher

Booz Allen Hamilton

•

Fort Meade, Maryland, USA

Full-time

Job Number: R0221503 Vulnerability Researcher, Senior Key Role: Conduct research and analysis to identify vulnerabilities and potential threat vectors into systems and networks, develop CNO and CNE exploits, enable capabilities, and engineer attack methodologies. Apply leading-edge principles, theories, and technologies and contribute to the development of new cyber operations concepts and tradecraft. Work on unusually complex national security problems and provide highly innovative solutions.
Posted 12 days ago | Updated 4 hours ago

Systems Administrator

ManTech

•

Laurel, Maryland, USA

Full-time

ManTech seeks a motivated and career-oriented Systems Administrator with Linux expertise to join our team in Laurel, MD. You will be part of a dedicated team delivering enterprise infrastructure capabilities for a global workforce that supports a wide range of national defense missions. This role directly supports the Enterprise Infrastructure Services (EIS) organization-the foundation of all Enterprise Information Technology (EIT) for MPO. Responsibilities include, but are not limited to:Suppo
Posted 34 days ago | Updated 14 hours ago

System Engineer

ManTech

•

Fort Meade, Maryland, USA

Full-time

ManTech seeks an experienced and passionate, career and customer-oriented System Engineer to join our team located in the Ft. Meade, MD area. Responsibilities include, but are not limited to: Leverage IT automation to perform daily tasks associated with data repositories on air-gapped networks.Bash shell scriptingDemonstrate experience creating and managing virtual environmentsExperience configuring and maintaining storage and file systemsExperience in developing and delivering briefings, techn
Posted 34 days ago | Updated 14 hours ago

Associate Systems Engineer

Kratos Defense and Security Solutions, Inc.

•

Lanham, Maryland, USA

Full-time

Job Description Ready for What's Next? At Kratos, we encourage an entrepreneurial spirit balanced with discipline. We work hard, and take care of our customers, employees, and families. Recognized as thought leaders in our industry, we are motivated by creating and delivering innovative solutions to our nation and global customers. The Associate Systems Engineer is involved in the design, development, integration, and testing of Satellite Ground Systems. The Associate Systems Engineer works wi
Posted 35 days ago | Updated moments ago

Systems Administrator 3

Realm One

•

Annapolis, Maryland, USA

Full-time

Are you ready to KANGAROO into action at RealmOne! RealmOne was built on the principle that people matter first and foremost. We believe in providing a strong work/life balance by investing in our employees and encouraging professional and personal growth. We do this by offering exceptional benefits, flexible schedules, and the tools necessary to achieve success through paid training, mentoring, and the opportunity to work alongside top-notch security professionals. Join us on this journey as w
Posted 52 days ago | Updated 3 hours ago

Test Software Engineer

Lockheed Martin Corporation

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Remote or Sunnyvale, California, USA

Full-time

Job Description Space is a critical domain, connecting our technologies, our security and our humanity. While others view space as a destination, we see it as a realm of possibilities, where we can do more - we can innovate, invest, inspire and integrate our capabilities to transform the future. At Lockheed Martin Space, we aim to harness the full potential of space to cultivate innovation, reduce costs, and push the boundaries of what technology can achieve. We're creating future-ready soluti
Posted 22 days ago | Updated 3 hours ago

Systems Engineer - 100% onsite

Calance

•

Baltimore, Maryland, USA

Contract

General Summary: The Sr. Systems Engineer will provide technical leadership, project management, and task execution for administration, programming, maintenance, and performance implementation of departmental platforms. This includes the installation of new software, operating systems, related utilities/services, and hardware products, as well as the integration of new products and software into the organization. The role requires knowledge of compute, storage, patching and backup technologies
Posted 49 days ago | Updated moments ago

Senior GCP Platform Engineer (449836)

Vaco by Highspring

•

Remote

Contract

Senior GCP Platform Engineer | 449836 DETAILS Location: 100% Remote Position Type: 6M C2H Hourly / Salary: to $145K JOB SUMMARY Vaco Technology is currently seeing a Senior GCP Platform Engineer for a 6M C2H opportunity that is 100% remote-based. The Senior GCP Platform Engineer must possess a strong understanding of Cloud-based Platforms, including GCP, AWS, and Azure, with specialization in GCP. The GCP Platform Engineer must possess extensive hands-on expertise in CloudDeployment Manager, Co
Easy Apply
Posted 14 days ago

Senior Systems Administrator

Leidos

•

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
Posted 29 days ago | Updated 3 hours ago

Senior System Engineer

SAIC

•

Fort Meade, Maryland, USA

Full-time

Job ID: 2506166 Location: FORT MEADE, MD, US Date Posted: 2025-06-24 Category: Engineering and Sciences Subcategory: Systems Engineer Schedule: Full-time Shift: Day Job Travel: No Minimum Clearance Required: TS/SCI with Poly Clearance Level Must Be Able to Obtain: None Potential for Remote Work: No Description SAIC, a leading provider of systems engineering & integration, systems development & deployment, intelligence analysis and targeting, and training solutions for the Intelligence
Posted 38 days ago | Updated 1 hour ago

Information Security Engineer

Zachary Piper Solutions, LLC

•

Columbia, Maryland, USA

Full-time

Piper Companies is seeking a dynamic Security Engineer for a hybrid (3 days onsite) to join a pioneering healthcare team located in Columbia, MD. Responsibilities of the Security Engineer: Perform security functions including IAM, vulnerability scanning, light pen testing, and daily review of security reports and systems. Generate internal threat intelligence and conduct threat hunting to enhance the security stack. Ensure adherence to information security policies and procedures and monit
Posted 28 days ago | Updated 20 days ago

Systems Administrator

ManTech

•

Maryland, USA

Full-time

ManTech seeks a motivated, career and customer-oriented System Administrator, to join our team in Hanover, MD. The team delivers enterprise infrastructure capabilities for a global workforce performing a wide range of missions in defense of our Nation. This effort is the contract vehicle for the Enterprise Infrastructure Services organization overseeing MPO's Enterprise Information Technology (EIT). EIT is MPO's backbone- platform for all Enterprise users. Data Center & Compute Services is the
Posted 60+ days ago | Updated 14 hours ago

Information Security Engineer

Zachary Piper Solutions, LLC

•

Columbia, Maryland, USA

Full-time

Piper Companies is seeking a dynamic Security Engineer for a hybrid (3 days onsite) role located in Columbia, MD. You will be responsible for safeguarding the Software Development Life Cycle (SDLC), as well as implementing and maintaining information security controls and countermeasures to ensure robust protection for a pioneering healthcare team. Requirements of the Security Engineer: Perform security functions including IAM, vulnerability scanning, light pen testing, and daily review of sec
Posted 24 days ago | Updated 20 days ago

System Integration Engineer - Clearance Required

Lockheed Martin

•

Fort Meade, Maryland, USA

Full-time

Job ID: 687929BR Date posted: Jun. 10, 2025 Description:This position may be eligible for up to $25K sign on bonus for external hires! What We're Doing: Lockheed Martin, Rotary Mission Systems Cyber & Intelligence invites you to step up to one of today's most daunting challenges: the use of advanced electronics to undermine our way of life. As a cyber security professional at Lockheed Martin, you'll protect the networks that our citizens and the world depend upon each minute: Financial assets.
Posted 3 days ago | Updated 7 hours ago

Mid-Level Network Administrator

Leidos

•

Odenton, Maryland, USA

Full-time

The Defense group at Leidos has a career opening for a Mid-Level Network Administrator on a DISA contract. This role is primarily on the customer site at Ft Meade, MD. Administrator will provide support for assigned systems supporting Joint Worldwide Intelligence Communications System (JWICS). PRIMARY RESPONSIBILITIES: Works with limited supervision to perform configuration of assets to include switches, load balancers, routers, and FirewallsPerform routine maintenance, troubleshooting, updates
Posted 18 days ago | Updated 3 hours ago

Product Technician

Metrea Management, LLC

•

Maryland, USA

Full-time

Company Overview Metrea is a defense company dedicated to translating commercial innovation into solutions for the hardest problems in national security. With deep mission expertise, Metrea focuses on delivering effects-as-a-service across Aerospace, Electromagnetic & Cyber, Digital & Synthetic domains via its capability groups. Metrea also consists of six support groups (Operations, People, Finance, Legal, Strategy and Solutions) that guide the development of specific capabilities that Metrea's
Posted 40 days ago | Updated moments ago

System Engineer

ManTech

•

Fort Meade, Maryland, USA

Full-time

ManTech seeks an experienced and passionate, career and customer-oriented System Engineer to join our team located in the Ft. Meade, MD area. Responsibilities include, but are not limited to:Analyze user needs, concept of operations, and architectures to develop system requirements.Analyze system requirements, evaluate alternative designs, and conduct feasibility studies.Develop technical documentation.Guide system development and planning and prepare system engineering management plans and sys
Posted 3 days ago | Updated 14 hours ago

System Engineer

ManTech

•

Fort Meade, Maryland, USA

Full-time

ManTech seeks an experienced and passionate, career and customer-oriented System Engineer to join our team located in the Ft. Meade, MD area. Responsibilities include, but are not limited to:Analyze user needs, concept of operations, and architectures to develop system requirements.Analyze system requirements, evaluate alternative designs, and conduct feasibility studies.Develop technical documentation.Guide system development and planning and prepare system engineering management plans and sys
Posted 3 days ago | Updated 14 hours ago

Splunk Administrator- 100% Remote

Motion Recruitment Partners, LLC

•

Remote or Arlington, Virginia, USA

Full-time

Splunk Administrator This company is seeking an experienced Splunk Administrator to manage and optimize their Splunk infrastructure. In this role, you'll ensure the performance, availability, and reliability of our data analytics platform. You'll work closely with cross-functional teams to implement monitoring solutions that enhance operational visibility and strengthen security across their IT environment. The company is located in Reston, VA and will remain 100% remote. What You Will Be Doing:
Easy Apply
Posted 6 days ago | Updated 12 hours ago

Systems Engineer (Contract)

Vaco by Highspring

•

Remote

Contract

Systems Engineer Data Center Operations The Systems Engineer will perform complex analytical and administrative tasks for VMware, Azure, and Terraform, playing a key role in implementing, maintaining, monitoring, and protecting the organizations infrastructure. This position requires the ability to work independently with minimal supervision. Roles and Responsibilities:Build, configure, and maintain VMware vSphere Private Cloud environments, including ESX, NSX, and vCenter across multiple geogr
Easy Apply
Posted 5 days ago