Principal Linux Systems Administrator Jobs in Baltimore, MD

101 - 120 of 345 Jobs

System Administrator Level 2Job Title - System Administrator Level 2

Base-2 Solutions, LLCCompany Name - Base-2 Solutions, LLC

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Annapolis, Maryland, USA

Full-time

Job Description Provides support for implementation, troubleshooting, and maintenance of Information Technology (IT) systems. Manages IT system infrastructure and any processes related to these systems. Provides 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. Provides Tier 1 (Help Desk) and Tier 2 (Escalation) problem identification, diagnosis, and resolution of problems. Provid

Linux System AdministratorsJob Title - Linux System Administrators

LeidosCompany Name - Leidos

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Annapolis, Maryland, USA

Full-time

Leidos frequently has exciting opportunities for Linux System Administrators in the 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 ;/b>, including 4 or more weeks Paid Time Off, 11 paid Holidays, 401K with a 6% company

Network EngineerJob Title - Network Engineer

LeidosCompany Name - Leidos

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Baltimore, Maryland, USA

Full-time

The Digital Modernization Sector has an opening for a Network Engineer to work in Woodlawn, MD. This position requires onsite work in Woodlawn, MD five days a week. Day to Day Responsibilities: At Leidos, we deliver innovative solutions through the efforts of our diverse and talented people who are dedicated to our customers' success. We empower our teams, contribute to our communities, and operate sustainably. Everything we do is built on a commitment to do the right thing for our customers,

Senior System AdministratorJob Title - Senior System Administrator

PeratonCompany Name - Peraton

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Fort Meade, Maryland, USA

Full-time

Responsibilities We are seeking a Senior System Administrator to provide enterprise-focused engineering support to a Government Customer. You will provide system administration solutions to meet required capabilities, and you will create bills of materials, network designs and diagrams, and other documentation for new and updated installations. You will also work with network, storage, and server personnel to define new or modified solutions to complex problems; respond to requests for new syst

Cyber Range Network EngineerJob Title - Cyber Range Network Engineer

LeidosCompany Name - Leidos

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Annapolis, Maryland, USA

Full-time

Leidos has a new and exciting opportunity for a Cyber Range Network Engineer 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

Systems Engineer - TS/SCI w. PolygraphJob Title - Systems Engineer - TS/SCI w. Polygraph

General DynamicsCompany Name - General Dynamics

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Elkridge, 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 Engineering Job Qualifications: Skills: IT Systems Management, Microsoft Endpoint Configuration Manager, Microsoft Endpoint Configuration Manager Reporting Certifications: None Experience: 8 + years of related experience ship Required: Yes Job Description: *Position is currently located

Cybersecurity EngineerJob Title - Cybersecurity Engineer

LeidosCompany Name - Leidos

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Greenbelt, Maryland, USA

Full-time

Description Looking for an opportunity to make an impact? Unleash your potential at Leidos, where we deliver innovative solutions through the efforts of our diverse and talented people who are dedicated to our customer's success. We empower our teams, contribute to our communities, and operate sustainably. Everything we do is built on a commitment to do the right thing for our customers, our people, and our community. Our Mission, Vision, and Values guide the way we do business. If this sounds l

Linux Engineer - Lead (SE2) (Government)Job Title - Linux Engineer - Lead (SE2) (Government)

AT&T Inc.Company Name - AT&T Inc.

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Columbia, Maryland, USA

Full-time

Job Description: AT&T Global Public Sector is a trusted provider of secure, IP enabled, cloud-based, network solutions and professional services to the Federal Government. We are dedicated to recruiting, developing and empowering a diverse, high-performing workforce that is passionate about what they do, committed to our shared values and dedicated to our customers' mission. Intelink Services provide interagency information sharing, content discovery, and collaboration capabilities on the IC s

Cybersecurity EngineerJob Title - Cybersecurity Engineer

LeidosCompany Name - Leidos

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Greenbelt, Maryland, USA

Full-time

CLEARED Software Integration Engineer (DevOps)Job Title - CLEARED Software Integration Engineer (DevOps)

Motion Recruitment Partners, LLCCompany Name - Motion Recruitment Partners, LLC

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Maryland, USA

Full-time

Software Integration Engineer - Annapolis Junction, MD (Maryland TS/SCI FSP Required) Clearance Requirement: Active MD TS/SCI FSP (sponsorship ineligible) We are seeking a Software Integration Engineer with 8+ years of experience to develop tools and services in a PaaS Linux environment supporting an on-prem cloud with open-source technologies. This role requires expertise in containerized landlord/tenant environments, working with Docker, Kubernetes, Weka, Vault, and InfoBlox. Key Responsibili

Cybersecurity EngineerJob Title - Cybersecurity Engineer

LeidosCompany Name - Leidos

•

Greenbelt, Maryland, USA

Full-time

Looking for an opportunity to make an impact? Unleash your potential at Leidos, where we deliver innovative solutions through the efforts of our diverse and talented people who are dedicated to our customer's success. We empower our teams, contribute to our communities, and operate sustainably. Everything we do is built on a commitment to do the right thing for our customers, our people, and our community. Our Mission, Vision, and Values guide the way we do business. If this sounds like an envir

System Administrator Level IVJob Title - System Administrator Level IV

General Dynamics Information TechnologyCompany Name - General Dynamics Information Technology

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Maryland, USA

Full-time

Type of Requisition: Regular Clearance Level Must Currently Possess: Top Secret SCI + Polygraph Clearance Level Must Be Able to Obtain: Top Secret SCI + Polygraph Public Trust/Other Required: None Job Family: Systems Administration Job Qualifications: Skills: Computer Servers, Linux, Microsoft Windows, Troubleshooting Certifications: None Experience: 9 + years of related experience ship Required: Yes Job Description: System Administrator Level IV Transform technology into opportunity as

Security Information and Event Management EngineerJob Title - Security Information and Event Management Engineer

ApexonCompany Name - Apexon

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Remote

Full-time, Third Party

Required Skills: QRadar SIEM AQL Analytical Skills Redhat Linux administration Bash DSM Database Management Excellent Verbal Communication Skills IBM IBM QRadar SIEM Intrusion Detection System IDS Linux Network Engineering Networking Protocol Performance Monitoring and Metrics PostgreSQL Problem Solving Python (Programming Language) SIEM SOAR Scripting Security Operations Software Troubleshooting Ticketing Systems Use case creation Vulnerability Scanning Preferred Skills: Palo Alto XSIAM and X

System Administrator 2Job Title - System Administrator 2

Accenture LLPCompany Name - Accenture LLP

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Annapolis, Maryland, USA

Full-time

At Accenture Federal Services, nothing matters more than helping the US federal government make the nation stronger and safer and life better for people. Our 13,000+ people are united in a shared purpose to pursue the limitless potential of technology and ingenuity for clients across defense, national security, public safety, civilian, and military health organizations. Join Accenture Federal Services to do the work you love in a collaborative and caring community where you feel like you belong

System AdministratorJob Title - System Administrator

SAICCompany Name - SAIC

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Aberdeen, Maryland, USA

Full-time

Job ID: 2505510 Location: ABERDEEN, MD, US Date Posted: 2025-05-08 Category: Information Technology Subcategory: Sys Administrator Schedule: Full-time Shift: Day Job Travel: No Minimum Clearance Required: TS/SCI Clearance Level Must Be Able to Obtain: TS/SCI with Poly Potential for Remote Work: No Description SAIC is seeking a System Administrator to support the U.S. Army Combat Capabilities Development Command (CCDEVCOM), Engineering and Systems Integration (ESI) Directorate, Quick R

System Administrator 2 (SA2)Job Title - System Administrator 2 (SA2)

Realm OneCompany Name - Realm One

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Annapolis, Maryland, USA

Full-time

We're searching for talented individuals who provide intelligence, engineering, and mission management expertise for the Government. This program will maximize the effectiveness and efficiency of our country's most important missions both at home and abroad. If you are ready to support a high-performing team that truly makes a difference, then come join us! Job Description: This position is for System Administration support for development and production environments for a mission-critical Ide

OpenShift AdministratorJob Title - OpenShift Administrator

Sun Technologies,Inc.Company Name - Sun Technologies,Inc.

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Remote

Contract

Job Title: OpenShift Administrator Certifications Required: Red Hat Certified Specialist in OpenShift Administration Certified Kubernetes Administrator (CKA) Duration: up to 3 months contract (with the possibility of extension) Location: Remote Work / Work from Home Work Schedule: 4/10 Schedule Pay Rate: $96/hr on W2 Featured Benefits: Medical Insurance in compliance with the ACA401(k)Sick leave in compliance with applicable state, federal, and local laws Skills Required: Understanding of Op

System Administrator Level 3Job Title - System Administrator Level 3

General DynamicsCompany Name - General Dynamics

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Annapolis, Maryland, USA

Full-time

Type of Requisition: Regular Clearance Level Must Currently Possess: Top Secret SCI + Polygraph Clearance Level Must Be Able to Obtain: Top Secret SCI + Polygraph Public Trust/Other Required: None Job Family: Systems Administration Job Qualifications: Skills: Linux, ServiceNow Platform, Unix Certifications: None Experience: 15 + years of related experience ship Required: Yes Job Description: Provides support for implementation, troubleshooting and maintenance of information Technology (I

Information Security EngineerJob Title - Information Security Engineer

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

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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

IT Analyst SpecialistJob Title - IT Analyst Specialist

Johns Hopkins University AppliedPhysicsLaboratoryCompany Name - Johns Hopkins University AppliedPhysicsLaboratory

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Laurel, Maryland, USA

Full-time

Description Do you want to be empowered to take ownership and stake in the overall engineering and operations of the IT infrastructure? Are you interested in learning new technologies and creating new IT capabilities? If so, we 're looking for someone like you to join our team at APL. We are ranked as one of Computerworld 's Top Places to Work in IT 6 years running, and we are seeking a dedicated IT Support/Jr. Systems Administrator to help us protect APL 's information technology infrastruct