Senior Red Hat Linux Administrator
Damco
Senior Red Hat Linux Administrator
Installing, configuring, and maintaining Red Hat Enterprise Linux (RHEL) servers across development, testing, and production environments.
Performing system upgrades, patch management, and security hardening to ensure compliance with industry standards.
Monitoring system performance and troubleshooting issues to minimize downtime and optimize efficiency.
Implementing automation scripts using Ansible, Bash, or Python to streamline system administration tasks.
Configuring and maintaining Red Hat Satellite, Identity Management (IdM), and other Red Hat Enterprise Linux (RHEL) ecosystem tools.
Collaborating with security teams to ensure systems are protected against vulnerabilities and comply with security policies.
Maintaining and optimizing storage, backup, and disaster recovery solutions.
Supporting application teams by providing guidance on best practices for Linux-based deployments.
Maintaining documentation for system configurations, procedures, and troubleshooting guides.
Participating in on-call support and incident resolution activities as required.
Setup Network File Server (NFS) and mount points.
Configuring Chron jobs for both systems and applications.
Experience with: Working in a complex networked system environment with strong networking. Administering Unix (AIX) IBM pSeries systems. Administering systems including, but not limited to, the applications below: Oracle WebLogic Servers Oracle Database Servers Progress 4GL/Database Servers/OpenEdge Apache Web Servers vSphere hosted RHEL Servers Rubrik backup systems Oracle Database backups PeopleSoft Mobius Elastic Search Oracle OBI CVS (Concurrent Version System) Red Hat performance tuning Load balancing, partitioning, back-up/recovery, and disaster recovery Working in an environment that requires 24/7 system availability Application development Red Hat Support Electronic Imaging Support
Skill Required Ability to: Work in a team environment. Communicate effectively with internal and external personnel. Demonstrate leadership skills. Interface with users and helpdesk for day-to-day support. Provide Backup/recovery and networking methodologies. Troubleshoot at the Operating System (OS), database, and application levels.
- ...SHOULD have active Red Hat Linux Administrator certificate Role: Senior Red Hat Linux Administrator Industry: Government & Public Sector Term: Contract (C2C) Empl Mode: US Citizen, Green Card, H1B, Work Permit Work Mode: Hybrid Location:...SeniorContract workH1bLocal area
Damco Solutions
Annapolis, MD5 days ago $135k - $155k
...Top Secret Telework Eligible? No What You’ll Do: As the Senior Linux System Administrator, you will be responsible for ensuring secure configurations... ..., patching, compliance checks, and reporting - using Red Hat Ansible Automation Platform, improving consistency and reducing...SeniorRemote work- Summary The Linux Administrator is responsible for all aspects of systems administration, including servers, applications, workstations, and systems engineering support for Red Hat Enterprise Linux (RHEL)-based systems in a multi-site, hybrid (on-premises, air-gapped,...SuggestedFor contractorsLocal areaWeekend work1 day per week
- Job Summary Leidos is seeking a highly experienced Linux-focused technical professional to support systems across cloud and on‑prem environments. This role requires deep expertise in Linux administration, infrastructure, security compliance, and troubleshooting within...SeniorImmediate startRelocation packageFlexible hours
$159k - $188k
...Description ACTIVE SECURITY CLEARANCE AT THE TS/SCI POLYGRAPH LEVEL IS REQUIRED We are looking for an innovative, motivated Linux Systems Administrator & Automation Engineer to join a small, tight-knit, and talented team operating in a hybrid cloud environment. In this...SeniorHourly payContract workWork experience placementImmediate startFlexible hours- ...but we love the work!) As the System Administrator, you'll get to be responsible for... ...Required Skills Experience using the Linux CLI and Linux Tools Experience developing... ...FC San storage Experience using Red Hat Satellite to automate the deployment,...SeniorVisa sponsorshipWork visa
Gigatec Engineering
Annapolis, MD1 day ago $116.35k - $210.33k
Description Leidos has a new and exciting opportunity for a Senior Linux Systems Administrator in our Intelligence Sector, Cyber & Analytics Business Area (CABA) . Our talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission...SeniorImmediate startFlexible hours$131.3k - $237.35k
...Leidos has an exciting opportunity for a Database Administrator within our National Security Sector's (NSS) Cyber & Analytics Business... ...Preferred Qualifications Oracle and OEM Management Red Hat Linux 7/8 Git, Puppet, VMware Docker and Kubernetes AWS...Immediate startFlexible hoursLeidos
Annapolis, MD3 days ago- ...Linux Systems Administrator 230K-260K TS/SCI and Full Scope Poly Annapolis Junction, MD Provide expert support in the administration and maintenance of the Enterprise Linux infrastructure. Provide support in information security system requirements...
thejosefgroup.com
Annapolis, MD10 hours ago - Unix / Linux System Administrator with DevOps Annapolis Junction, MD Unix / Linux System Administrator with DevOps LOCATION Annapolis Junction, MD 20701 Unix / Linux System Administrator with DevOps LOCATION Annapolis Junction, MD 20701 CLEARANCE TS/SCI Full Poly (Please...Temporary workFor contractorsImmediate startFlexible hours
$85.39k - $116.98k
...(SSG) is seeking a talented Senior Systems Engineer (Production... ...systems Strong proficiency in Linux/Unix and Windows operating... ...systems Experience with system administration tasks including user... ...certifications in relevant areas (e.g., Red Hat Certified Engineer, Microsoft...SeniorFull timeRemote workSyms Strategic Group, LLC (SSG)
Annapolis, MD4 days ago$120k - $157.5k
...Baltimore Business Journal's (BBJ) Best Places to Work 2026! Belay Technologies is seeking a System Administrator (SA) to join our Intel team. The SA will provide Linux systems administration and operational support for mission-critical environments, including command-...Contract workWork experience placementFlexible hoursBelay Technologies
Annapolis, MD2 days ago$150k - $205k
...Summary Seeking a Cloud Systems Administrator to sustain, administer, and optimize enterprise... ...support, troubleshooting complex Linux environments, and collaborating with engineering... ..., configure, provision, and maintain Red Hat Enterprise Linux (RHEL) and CentOS...Hourly payWork experience placementShift workMomentum Engineering
Annapolis, MD2 days ago$80k - $110k
RHEL Administrator Location: Annapolis Junction, MD Schedule: Full-time | Onsite Clearance: Active Secret clearance required Salary... ...00 annually The Opportunity We are hiring an experienced Red Hat Enterprise Linux (RHEL) Administrator to support secure, mission‑critical...Full timeContract work$202.3k - $273.7k
...Scripting Language), COTS Implementations, Linux Command, Python (Programming Language)... ...Yes Job Description: SYSTEMS ADMINISTRATOR Advance how our customers operate while... ...storage system components • Experience with Red Hat Satellite systems management solution...Temporary workImmediate startRemote workWorldwideFlexible hoursGeneral Dynamics Information Technology
Annapolis, MD3 days ago$131.3k - $237.35k
Description Leidos has an exciting opportunity for a Database Administrator within our National Security Sector’s (NSS) Cyber &... ...degree Preferred Qualifications Oracle and OEM Management Red Hat Linux 7/8 Git, Puppet, VMware Docker and Kubernetes AWS and AWS Managed...Immediate startFlexible hours- System Administrator (All Levels) Specializations: Network Engineers | Storage Engineers | Platform... ..., and optimization of complex Linux‑based infrastructures. We are seeking candidates... ...Linux operating systems, including: Red Hat Enterprise Linux (RHEL) CentOS Rocky Linux...Temporary work
- ...Senior System Administrator Be a member of a system administration team responsible for the design, deployment, installation, configuration and maintenance of Linux/UNIX-based server systems and software. Be able to learn quickly and work independently as well as collaborate...Senior
Implify
Annapolis, MD20 hours ago - ...is seeking a highly experienced Senior IBM Maximo Developer to design, develop... ..., business analysts, developers, administrators, infrastructure teams, and other... ...and operations involving Red Hat OpenShift, Kubernetes, Docker, Linux, Windows Server, and IBM WebSphere...SeniorFull timeContract workPart timeFor contractorsLocal areaFlexible hours
Serco
Annapolis, MD2 days ago $100k
...position, and receipt of authorization to proceed. The Senior Systems Administrator supports IT operations by designing, automating, testing,... ...Enterprise patch and upgrade management across Windows and/or Linux environments. ~ Experience remediating vulnerabilities...SeniorContract workRemote workMAXIMUS
Annapolis, MD5 days ago$230k - $262k
Position Description Red Arch Solutions is hiring a Systems Engineer to join our program... ...Tools Suite across the organization’s Linux environments. This role is responsible... ...processes Experience performing basic System Administration including installation, configuration,...SeniorLocal area$180k - $200k
...Polygraph is required for this position. Description: Red Arch Solutions is hiring a Senior Oracle Database Admin / Engineer to join our contract... ...Junction, Maryland. We are seeking a Sr. Oracle Database Administrator with 10+ years Oracle database administration...SeniorContract work$220k - $250k
Red Arch Solutions is hiring an experienced Systems Engineer on a priority program in Annapolis Junction,... ...mission focused systems. The position requires strong Linux CLI expertise and deep Jira Service Desk administration experience, with responsibility for driving cross‑...SeniorContract workWork experience placementLocal area$140k - $250k
...Description: The selected individual will provide system administration support for a large, complex network environment with... ...Nessus. Must have experience with and/or have knowledge of Red Hat and VMWare. Must have a solid understanding of advanced security...For subcontractorLocal areaFlexible hoursNavstar
Annapolis, MD2 days ago- ...Technologies Corporation is looking for a Systems Administrator to join a high performing agile team... .... Mid/Sr System Administrator - Senior Level preferred 8/12/26: There are 3... ...with and/or have knowledge of Red Hat and VMWare. Must have a solid understanding...Immediate start
Open Systems Technologies
Annapolis, MD5 days ago $190k - $210k
...Junction, Maryland Type: Contract Job #3710 Title: Senior System Administrator Location: Annapolis Junction, MD Compensation Range:... ..., Active Directory, and Group Policy Familiarity with Linux Server Administration Familiarity with Broadcom VMware/...SeniorContract workLocal areaCornerstone Defense
Annapolis, MD3 days ago$180k - $200k
...Polygraph is required for this position. Description Red Arch Solutions is hiring a Senior Oracle Database Admin / Engineer to join our contract... ...Junction, Maryland. We are seeking a Sr. Oracle Database Administrator with 10+ years Oracle database administration...SeniorContract workWork experience placementLocal area$150k - $165k
...curiosity. Join Team Karsun, and Find Your Next! Summary As a Senior Database Administrator, you will provide services for databases that support the... ...RDS or Aurora managed services. Deep understanding of Linux-based database environments and open-source database...SeniorWork experience placementWork at officeLocal area$115k - $175k
...Riverstone is seeking a motivated, career, and customer-oriented Senior Systems Administrator to join our team at Annapolis Junction, Maryland . This is... ...(10) years' experience as Systems Administrator including Linux, MongoDB, AWS, Kubernetes, Terraform and Ansible....SeniorHourly payContract workWork experience placement$170k - $250k
Job Description The System Administrator III is a senior technical contributor responsible for designing, implementing, securing, and maintaining... ...related storage solutions (SAN/NAS). Administer Windows and/or Linux server environments, including patching, hardening, and...SeniorPermanent employmentContract workWork experience placementLocal area
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