Principal Linux Systems Administrator Jobs in Baltimore, MD

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Software Engineer

BlueHalo

Annapolis, Maryland, USA

Full-time

At BlueHalo, an AV Company our Cyber experts operate at the mission's edge. Using advanced cyber techniques, our team of technologist and analysts employ capabilities spanning traditional computing environments to Internet of Things (IoT), including offensive and defensive cyber operations and analysis, signals intelligence (SIGINT) discovery, and data science. Our team is expanding to do the big things that have never been done before - the things the nation and the world are counting on us to

System Administrator Level 3

General Dynamics

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

Senior DevOps Engineer

CCS Global Tech

Maryland, USA

Full-time

CCS Global Tech is a rapidly growing Information Technology company with a diverse portfolio of technology products and services and a large network of industry partnerships. With over 22 years of being a successful business with a global talent pool and presence, CCS is a certified Microsoft Gold Partner and specializes in delivering expert Microsoft based solutions for technical and business needs. We have been recognized by Inc. 500 Magazine as one of the fastest growing small companies in th

Information System Security Manager (ISSM)

Accenture LLP

Fort Meade, 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, a technology company and part of global Accenture, to do work that matters in a collaborative

Backup & Recovery Administrator

Maximus, Inc.

Maryland, USA

Full-time

Description & Requirements Maximus is seeking a BUR Administrator to provide expertise to a federal client in support of their mission critical systems in defense of our Homeland. We are seeking an experienced Backup and Recovery (BUR) Administrator to join our team. As a BUR Administrator, you will be responsible for managing and maintaining our organization's enterprise backup solutions. Your role will involve configuration, monitoring, administration, and maintenance of a large environment of

Mid Software Engineer

Booz Allen Hamilton

Fort Meade, Maryland, USA

Full-time

Job Number: R0220998 Software Engineer, Mid The Opportunity: Are you looking for an opportunity to combine your te chn ical skills with big-picture thi nk ing to serve as the lead to modernizing a client-critical mission system? You'll have the chance to contribute to transitioning mission data flows from legacy systems to a modernized data flow architecture, defining te chn ical and process improvements to achieve improved mission performance and compliance, and defining improved decision logi

Cyber Software Engineer Stf. - DevOps

Lockheed Martin

Fort Meade, Maryland, USA

Full-time

Job ID: 690600BR Date posted: Jul. 07, 2025 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 $3000 payment! code-extrefer WHAT WE'RE DOING Lockheed Martin, Cyber & Intelligence invites you to step up to one of today's most daunting challenges: the evolving threat of cyber warfare. As a cyber security professional at Lockheed Martin, you'll protect the

System Administrator I

General Dynamics Information Technology

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: Communication, Information Technology (IT), Network Components, Operating Systems (OS), Troubleshooting Certifications: None Experience: 4 + years of related experience ship Required: Yes Job Description: Provides support for imple

System Administrator 1

Realm One

Annapolis, Maryland, USA

Full-time

RealmOne is the GOAT - where your career can reach the greatest heights! 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 u

IT Support Technical Instructor

Per Scholas

Baltimore, Maryland, USA

Full-time

Job DescriptionABOUT PER SCHOLAS: For 30 years, Per Scholas has been on a mission to drive mobility and opportunity in the ever-advancing technology landscape by unlocking the untapped potential of individuals, uplifting communities, and meeting the needs of employers through rigorous tech training. By teaming up with dynamic employer partners, ranging from Fortune 500 companies to innovative startups, we're forging inclusive tech talent pipelines, fulfilling an ever-increasing need for skilled

Digital Services Web Server Administrator - TS/SCI w/Poly

General Dynamics

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: Scripting, Web Servers, Web Services Certifications: None Experience: 3 + years of related experience ship Required: Yes Job Description: #ITPolyMD Digital Services Web Server Administrator Transform technology into opportunity as

System Administrator 2

Realm One

Annapolis, Maryland, USA

Full-time

RealmOne is the GOAT - where your career can reach the greatest heights! 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 u

Junior Systems Engineer

Leidos

Annapolis, Maryland, USA

Full-time

Leidos has a new and exciting opportunity for a Junior Systems 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 vestin

HPC Linux Admin

Apex Systems

Fort Meade, Maryland, USA

Full-time

Job#: 2066052 Job Description: Apex Systems is seeking a passionate and skilled Linux Systems Administrator to provide system management, daily monitoring and optimization. In this role, you will provide technical leadership and execution, and be supporting HPE's mission-critical customers, providing pre-installation configuration, on-site integration, administration, and customer enablement of HPE's computing solution. TS/SCI with Poly clearance REQUIRED ship is required Location: Onsite Ann

System Administrator I

General Dynamics Information Technology

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: Communication, Information Technology (IT), Network Components, Operating Systems (OS), Troubleshooting Certifications: None Experience: 4 + years of related experience ship Required: Yes Job Description: Provides support for implem

System Administrator II

General Dynamics Information Technology

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: Communication, Information Systems, Operating Systems (OS), System Security, Systems Software Certifications: None Experience: 4 + years of related experience ship Required: Yes Job Description: #ITPolyMD Provide support for imple

Linux Admin with GPU

Laiba Technologies LLC

Remote

Contract

(GPU- Graphics Processing Unit), Storage Setup, RAID Position-3 "What We'll Expect From You: Significant experience administering Linux servers o Familiarity with deb packaging, archive administration or image building is a plus Moderate experience with Python, Ruby, or Golang Familiarity with Git ww Familiarity with Shell Scripting Familiarity with continuous integration systems and concepts o Familiarity with Git-hub Actions or Concourse is a plus ww An interest in contributing work upstream

System Administrator II

General Dynamics Information Technology

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: Communication, Information Systems, Operating Systems (OS), System Security, Systems Software Certifications: None Experience: 4 + years of related experience ship Required: Yes Job Description: #ITPolyMD Provide support for implemen

Ellucian Banner Developer

Paradigm Infotech

Remote

Contract

100% remote role Must be located within USA . We can work on CTC . Directly supervise Banner Support Specialists, Banner Functional Support Specialists, Enterprise System Integrators, and other programming positions.Assist the Dean of Institutional Technology with management of IT projects, including tracking, scheduling, prioritization, and organization of resources.Support the maintenance of Ellucian Banner Course Modules and enterprise-level services and related integrations, in collaboration

Security Engineer - Encryption

VLink Inc

Remote

Contract

Job Title: Encryption Engineer Location: Remote - working EST hours Employment Type: Contract Duration: 6 month initial contract About VLink: Started in 2006 and headquartered in Connecticut, VLink is one of the fastest growing digital technology services and consulting companies. Since its inception, our innovative team members have been solving the most complex business, and IT challenges of our global clients. Job Description: *Need expertise with Encryption technologies. Key techs: Encryp