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$120k - $240k
...Build direct customer relationships to improve organizational feedback loop. Required Skills: Extensive RedHat (RHEL), CentOs Linux, and/or UNIX experience. Experience managing NiFi data flows. Experience with VMWare or associate technologies (ESX, NSX, VSAN...SuggestedFull timeWork at officeFlexible hours- OverviewSenior Linux Systems AdministratorLOCATION: Columbia, MD (Onsite)JOB STATUS: Full-timeCLEARANCE: Active Top Secret / TS/SCI (Required)TRAVEL: Less than 10%SALARY RANGE: $145k - $165kAstrion has an exciting opportunity for a highly experienced Senior Linux Systems...SuggestedMonday to Friday
- ...Booz Allen Hamilton in Columbia, MD, is seeking a Linux System Administrator to design, deploy, and maintain Cross Domain Solutions for a mission critical DoD environment. You will help improve security, reliability, and performance while following strict controls. The...Suggested
Booz Allen Hamilton
Columbia, MD1 day ago $98.1k - $174.8k
...professional services to the Federal Government. We are recruiting for a Linux Administrator to support Public Sector Solutions at a... ...remote work offered. The role involves designing architecture, developing solutions, and managing Linux instances in a hybrid cloud environment...SuggestedTemporary workWork at officeLocal areaRemote workRelocationCricket Wireless
Columbia, MD3 days ago$77.6k - $176k
...will play a key role in supporting critical cybersecurity missions. The ideal candidate will have substantial experience in Red Hat Linux systems and hold a TS/SCI clearance. A collaborative mindset, technical leadership, and a passion for modernizing networks are essential...SuggestedPhase2 Technology
Columbia, MD1 day ago$130k - $150k
...active TS/SCI with Polygraph is required for this position **Description:Red Arch Solutions is seeking a skilled and detail-oriented Linux System Administrator to join our IT infrastructure team in Annapolis Junction, Maryland. The ideal candidate will have strong...Suggested$135k
ManTech International seeks a Linux System Administrator to support critical national security missions. In this role, you will install, configure, secure, and maintain Linux servers supporting defense and intelligence customers. Responsibilities include system monitoring...SuggestedManTech International
Laurel, MD7 days ago- ...THE CYBERCORE TECHNOLOGIES TEAM.We are GROWING ! Bring your Technical Capabilities, Enthusiasm, and Team Focus.New Opportunity for a LINUX System Administrator - TS/SCI Poly.Job Responsibilities:Key Responsibilities: Seeking Linux Systems Administrator to join team in...Suggested
$116.35k - $210.33k
Linux Systems Administrators / Engineers are needed across several Leidos prime programs in our Intelligence Sector’s Cyber & Analytics Business Area (CABA). Our talented team is at the forefront of Security Engineering, Computer Network Operations (CNO), Mission Software...SuggestedFull timeImmediate startRelocation packageFlexible hours- ...administration, automation, and security hardening of Windows and Linux environments. You will play a key role in maintaining system... ...Implementation Guides (STIGs) across Windows and Linux systems. Develop and maintain automated provisioning workflows using Ansible,...SuggestedFull timeContract workFlexible hours
- ...The Johns Hopkins University Applied Physics Laboratory is seeking a Linux System Administrator to join the RF Engineering group. In this role, you will manage and secure Linux systems within classified environments. Your responsibilities will include maintaining infrastructure...Suggested
The Johns Hopkins University Applied Physics Laboratory
Laurel, MD1 day ago $92.3k - $166.85k
Leidos has a new and exciting opportunity for a Senior Linux Systems Administrator in our Intelligence Sector’s, Cyber & Analytics Business Area (CABA). Our talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical...SuggestedFull timeImmediate startFlexible hours- ...Power3 is seeking a Principal Systems Administrator (Linux) in Laurel, MD to join our infrastructure team. You will manage Linux VMs across OpenStack, AWS, and VMware environments, emphasize VM security, and work with DevOps tools like Ansible and Rancher to keep clusters...Suggested
Power3
Laurel, MD1 day ago $77.6k - $176k
Linux System Administrator, SeniorThe Opportunity:Install systems on dedicated infrastructure, ensure the infrastructure is functional and available, and update and patch critical systems. Provide customers with insight into their network through monitoring and performance...SuggestedFull timeContract workPart timeWork at officeLocal areaRemote work- ...a System Administrator Level 2 to manage and optimize enterprise IT systems. The ideal candidate will have extensive experience in Linux and Windows environments, strong troubleshooting skills, and proficiency in automation. Responsibilities include supporting daily operations...Suggested
Independent Software
Ellicott City, MD1 day ago - ...Linux Admin REQUIRES AN ACTIVE/EXISTING TS/SCI WITH FS POLYGRAPH - NO REMOTE WORK, MUST WORK ON SITE Job Duties Work in an environment where you can help design the architecture and develop solutions to meet organizational needs. Looking for an innovative, motivated individual...Remote work
DAn Solutions Inc
Laurel, MD4 days ago $119.5k - $275k
Federal HPC Linux System Administrator, (Clearance required TS/SCI with Poly) On-Site, MarylandThis role has been designed as ‘’Onsite... ...share troubleshooting techniques, new ideas, and utilities to help develop and grow organizational knowledge Manage software issues for...Full timeWork experience placementWork at office- ...Belay Technologies in Columbia, MD seeks a Mid-Level System Administrator (SA1/SA2) to join the intel team. The role focuses on Linux/Unix/Windows system administration, data transport, messaging services, and on-call coverage. The position requires TS/SCI with polygraph...
Belay Technologies
Columbia, MD1 day ago $81.6k - $143.87k
...configuring Transport Layer Security (TLS)• Windows 10/11 administration• Linux networking experience#RMSRM2026Clearance Level: TS/SCI w/Poly... ..., we provide diverse career opportunities designed to propel, develop, and boost agility. Our flexible schedules, competitive pay, and...Full timeTemporary workWork experience placementWork at officeRemote workFlexible hours- ...CACI International Inc seeks a Systems Administrator 3 to join our Infrastructure team, supporting Linux VMs across OpenStack, AWS, and VMware environments. You will manage VM health, certificate lifecycle, and software updates while aligning with security requirements...
CACI International
Laurel, MD1 day ago - ...ManTech seeks a motivated, career and customer-oriented Linux System Administrator 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...Work at office
ManTech
Laurel, MD1 day ago $48.51 - $84.9 per hour
...limitations.Participate in gathering business and product functional and performance requirementsResponsible for the administration of Linux systems, and Windows servers inclusive of applications, processes the system supportsDefine and design system specifications, input/...Full timeWork experience placementFlexible hours$88.4k - $154.7k
...needs of a multidisciplinary engineering team building custom hardware and software products.What You'll Be Doing:Support and maintain Linux and Windows builds on custom hardwareCreate, support, and manage virtual machinesProvide support for implementation, troubleshooting...Full timeImmediate startFlexible hours- ...index maintenance, and monitoring of data. Administers, maintains, develops and implements policies and procedures for ensuring the... ...DBA experience may be substituted for a bachelor's degree. Technical Skills Oracle OEM Management Red Hat Linux 7/ #J-18808-Ljbffr...Contract work
Wyetechllc
Columbia, MD3 days ago $61.9k - $141k
...for a systems administrator who specializes in Red Hat Enterprise Linux to help us build and maintain tailored virtual infrastructure... ...leadership and mentoring as you help the teamwork through challenges and develop new methodologies. As a technical leader, you’ll identify new...Full timeContract workPart timeWork at officeLocal areaRemote work$100k
...for someone like you to join our team at APL! We are seeking a Linux System Administrator to join the RF Engineering group to support... ...role, you will apply Risk Management Framework (RMF) principles, develop new IT security capabilities, and provide advanced system administration...Interim roleJohns Hopkins Applied Physics Lab
Laurel, MD4 days ago$38.67 - $58.05 per hour
The University of Maryland Medical System is looking for a dedicated team member to maintain and support the Enterprise Radiology PACS and related imaging systems. This role involves ensuring smooth clinical operations, training users, and managing system security. Qualified...University of Maryland Medical System
Columbia, MD1 day ago- Requires a minimum TS/SCI CI PolySenior Linux/Network AdministratorJob SummaryThe selected candidate will be responsible for performing daily system administration and O&M support activities in support of a complex network environment with geographically distributed systems...
$89.2k - $170k
...services to the Federal Government. We are dedicated to recruiting, developing and empowering a diverse, high-performing workforce that is... ...s) posted. No relocation is offered. Administrating day-to-day Linux and/or Windows IT systems to include system availability,...Temporary workWork experience placementWork at officeLocal areaRelocation$38.67 - $58.05 per hour
Job Requirements Under limited supervision, acts as a team member to support UMMS’s PACS and other radiology and clinical imaging systems, ensuring smooth clinical operations and an always‑on infrastructure. Principal Responsibilities And Tasks Maintain and support the...University of Maryland Medical System
Columbia, MD3 days ago
