Senior Linux Systems Administrator
Jobtailor
Leverage Red Hat and Oracle Linux experience to deliver measurable results in a fast-paced, professionally challenging environment. Assist in troubleshooting complex issues that cross many functional areas. Perform Linux Administration using AAP, Satellite, and Puppet to automate system builds, upgrades, patching, and hardening. Provide T3 level support for the Red Hat Enterprise and Oracle Linux environments. Deliver technical and user documentation as required. Provide off-hours support. Train junior team members on patching and other O&M related tasks. Comply with certification and accreditation requirements. Create and maintain SOPs. Requirements Masters degree and 6 years of experience or Bachelors degree and 8 years of experience or Associates degree and 10 years of experience or High School diploma/equivalent and 12 years of experience. U.S. citizenship and an active SECRET Government Security Clearance. 5 years of experience in a similar role within a large, multi-site production environment. Strong knowledge of RHEL and/or Oracle Linux. In-depth knowledge of and real-world experience in automation. Ability to quickly troubleshoot and mitigate issues. Proficiency with Ansible. Experience working with Security teams to translate common vulnerability and exposures (CVE) into actionable mitigation and remediation steps. Core Competencies Demonstrates expertise in Linux Administration, particularly with Red Hat Enterprise and Oracle Linux, while leveraging automation tools like Ansible, AAP, and Puppet to enhance system efficiency and security. Capable of providing high-level support and training to team members, ensuring compliance with security standards and operational procedures. Highest-signal resume keywords Linux Administration Red Hat Enterprise Linux Oracle Linux Ansible Automation ATS Optimization Keywords Hard Skills Linux Administration Automation Troubleshooting System Builds Patching Hardening Technical Documentation SOP Maintenance User Documentation CVE Mitigation Soft Skills Training Collaboration Problem-Solving Certifications & Qualifications SECRET Government Security Clearance Industry Keywords Multi-Site Production Environment Certification and Accreditation Requirements Tools & Technologies AAP Satellite Puppet #J-18808-Ljbffr
- ...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...SeniorWork at office
- ...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...Senior
- ...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...Senior
$210k
...Senior Linux Systems AdministratorSenior Linux Systems Administrator Location: College Park, MD Clearance Required: Active TS/SCI with Full-Scope Polygraph Experience Required: 15+ years Employment Type: Full-time Status: Fully funded Compensation: $210K+ depending on...SeniorFull time- ...The Test and Training Enabling Architecture (TENA) program at Leidos is looking to add a Senior Linux System Administrator. Our mission is to develop tools for the United States Department of Defense test and training communities, to increase the speed of the development...SeniorWork at office
$100k
...Description Are you passionate about shaping secure, IT systems in classified environments? Do you want to influence system... ...someone like you to join our team at APL! We are seeking a Linux System Administrator to join the RF Engineering group to support Hardware‑in‑the...SeniorInterim role- ...Computational Physics, Inc. (CPI) is seeking a Senior Linux System Administrator to support our customers at the United States Naval Observatory (USNO) in the deployment and maintenance of its precise timing and astrometry networks. The USNO is responsible for the production...SeniorTemporary workRemote workFlexible hours
- ...Job Description Benefits: Competitive salary Opportunity for advancement Training & development Role: Senior Linux/UNIX System Administrator Location: Brevard County, FL 32925 Let’s Create Our Future Together at The AES Group! Position Overview...Senior
- Booz Allen Hamilton is seeking a System Administrator to design, deploy, and maintain Cross Domain Solutions for a DoD enterprise environment... ...teammates and leading modernization efforts. The role requires Linux expertise, DoD 8570.1 IAT II readiness, and a TS/SCI...Senior
- Leidos seeks a Senior Linux Systems Administrator to support USCG cloud modernization in Alexandria, VA. You will manage mission-critical RHEL and Windows systems across AWS and Azure, instrument automation with UiPath, and ensure security, high availability, and RMF/STIG...Senior
- Johns Hopkins Applied Physics Laboratory is seeking a Linux Systems Administrator in Laurel, Maryland. You will play a crucial role in shaping secure IT systems while collaborating with a team to improve system performance and security protocols. Your responsibilities include...Senior
- ...environment. Strong knowledge of RHEL and/or Oracle Linux. In-depth knowledge of and real-world experience in automation... .../TLS. Red Hat Certified Engineer; Red Hat Certified System Administrator. Peraton is seeking a Senior Linux Systems Administrator (Linux Sys Admin) to join...SeniorFor contractorsWork at officeRemote workOverseasMonday to FridayFlexible hours
- Black Canyon Consulting (BCC) is actively looking for Senior Linux System Administrator to support our work for the National Center for Biotechnology Information (NCBI) at the National Library of Medicine (NLM), an institute of the National Institutes of Health. This opportunity...SeniorFull timeWork at officeRemote work
$116.35k - $210.33k
...intelligence. We're the minds behind the mission-critical systems that keep our nation secure. Ready to engineer solutions... ...Digital Modernization Sector at Leidos is seeking a dynamic Sr Linux Systems Administrator to support cloud modernization initiatives for the United...SeniorFull time- Themis Insight seeks a Principal Systems Administrator (Linux) in Laurel, MD. You will lead Linux administration across OpenStack, AWS, and VMWare platforms, focusing on VM management, security, and DevOps tasks in a customer-facing environment. Ideal candidates have extensive...Senior
- ...Senior Linux EngineerWe are seeking a Senior Linux Engineer to administer, harden, and optimize... ...of Red Hat Enterprise Linux systems supporting critical agency operations,... ...Bash, Python, and Ansible for routine administration, patch deployment, and configuration drift...SeniorPermanent employment
- ...Senior Linux AdministratorLocation: Arlington, VA (On-Site)Citizenship: US onlyClearance:... ...Suitability required)Company: Argo Cyber Systems, LLC - Service-Disabled Veteran-Owned Small... ...with experience in Linux Systems Administrator to support the design, development, and...SeniorContract workFor contractorsLocal areaImmediate start
$146k - $234k
...security company based in Laurel, Maryland, is seeking a Senior Cloud & Distributed Systems Engineer. The role focuses on administering and optimizing... ...and Accumulo. Candidates should have at least 7 years of Linux experience and strong scripting skills. This position...Senior- 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...Senior
- A technology solutions provider in McLean, VA is seeking a System Administrator with a strong focus on Linux systems. Candidates must have a Bachelor's degree and at least 8 years of related experience. Responsibilities include managing laboratory computer systems, responding...Senior
- CA CI? CACI in Laurel, MD is seeking a Senior Systems Administrator to support mission-critical Linux environments across OpenStack, AWS, and VMware, focusing on VM management and DevOps. You will work with Ansible, Rancher, and kubectl to ensure cluster health. The role...Senior
$100k - $140k
...require a bachelors degree in a technical field plus 12+ years of systems administration experience, or an associates degree with 15 years of... ...initiatives. We require strong troubleshooting skills in a Linux Red Hat environment. We need extensive hands-on experience...SeniorFull timeWork at office- ...seeking a Software Development Engineer 3 to contribute to the Linux kernel and device drivers. This role focuses on low-level software... .... Work on cutting-edge technology and directly impact system stability and performance. This hybrid position offers both onsite...Senior
- ...Ignite IT is seeking a very experienced, senior-level Red Hat Linux Admin/Engineer to join and provide... ...skills, as the Unix branch supports system owners and users from most Divisions... ...Responsibilities Linux Platform Administration: Manage the complete lifecycle (...SeniorContract workTemporary workWork at officeFlexible hours
- ..., ATC is seeking a highly experienced Senior RHEL Administrator to provide enterprise‑level administration... ..., and support for mission‑critical Linux environments. The ideal candidate will... ...and optimize RedHat Enterprise Linux systems across physical and virtual environments...Senior
- Via Logic LLC in Alexandria, Virginia, is seeking a Senior Linux System Administrator. The role centers on maintaining Linux servers while leading migrations to hybrid cloud solutions, ensuring system security and performance. Candidates must have a Bachelor’s degree with...Senior
$77.6k - $176k
Phase2 Technology in Laurel, Maryland is seeking a Senior System Administrator to enhance technology for the Department of Defense. This role focuses... ...have at least 3 years of experience with Red Hat Linux and hold a TS/SCI clearance. Salary ranges from $77,600 to...Senior- ...ideal candidate should have at least 11 years of experience, a Bachelor's degree in a related field, and strong knowledge in Windows/Linux/Unix environments. Responsibilities include coordinating deployments, maintaining processes, and collaborating with various IT teams...Senior
- ManTech seeks a motivated Linux System Administrator to join our Laurel, MD team, delivering enterprise infrastructure capabilities for a national defense mission. You will support the Enterprise Infrastructure Services (EIS) as the backbone of IT for MPO, focusing on...Senior
- Black Canyon Consulting (BCC) is actively seeking a skilled Senior Linux System Administrator to support the National Center for Biotechnology Information (NCBI). This full-time position is based onsite in Bethesda, MD with options for remote work.' Candidates should have...SeniorRemote jobFull time
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