Sr. Linux Systems Administrator
$110k - $130kDunhill Solutions
Salary - $110,000 - 130,000
Responsible for unique or complex information systems and/or information technology tasks within more than one discipline, such as application support, database administration, software quality assurance/quality control, software engineering, network telecommunications, and infrastructure operations of administration, analysis, engineering and design.• Manage Linux server infrastructure (RHEL, CentOS, Ubuntu) across all environments.
• Perform system provisioning, configuration, patching, and hardening.
• Monitor system health, performance, and capacity.
• Participate in 24x7 on-call rotation for Linux environment.
• Implement Linux automation using Ansible, Shell scripting, and Python.
• Manage Linux security compliance and STIG implementation.
• Support application teams with Linux infrastructure and troubleshooting.
• Maintain Linux documentation, runbooks, and configuration baselines.
• Perform log management and system performance tuning.
• Manage user access controls and authentication (LDAP/AD integration). Minimum Qualifications
• Bachelor's Degree in Information Technology, Computer Science or a related field or equivalent relevant experience; Master's Degree preferred.
• Red Hat Certified System Administrator (RHSCA) or equivalent
• 4+ years Linux systems administration experience.
• Public Trust clearance (or ability to obtain). No Dual Citizens Other Job Specific Skills
• Strong in: RHEL 7/8/9, shell scripting (Bash), package management (yum/dnf/apt).
• Knowledge: Ansible automation, security hardening (STIGs), monitoring tools, Apache/Nginx. #CJPOST
Vacancy posted 5 days ago
Similar jobs that could be interesting for youBased on the Sr. Linux Systems Administrator in United States vacancy
- ...MANTECH seeks a motivated, career-driven, and customer-focused Sr. Linux/VMWare System Administrator to join our team in Laurel, MD. This position supports the high-visibility Enterprise Infrastructure Services (EIS) organization, responsible for the delivery and security...SeniorWork at office
MANTECH
Laurel, MD11 hours ago $103.6k - $155.4k
...employees have incredible opportunities to work on revolutionary systems that impact people's lives around the world today, and for... ...making history.Northrop Grumman Defense Systems seeks a Linux Systems Administrator to join our diverse team, working on the Forward Area Air...SeniorFull timeRelocation packageShift work$107.5k - $204.5k
...deter aggression, creating a safer, more secure world. Join us and help shape the future of aerospace and defense.Sr. Principal Linux Systems Administrator, in Infrastructure Workplace Services, will lead and collaborate with a diverse team to support fast-paced, critical...SeniorTemporary workWork experience placementInterim roleWork at officeRemote workRelocationRelocation packageFlexible hours$111.7k - $167.5k
...have incredible opportunities to work on revolutionary systems that impact people's lives around the world today, and... ...Northrop Grumman CIDO Classified Solutions team is seeking a Sr. Principal Linux Systems Administrator to handle High Performance Computing (HPC) systems to...SeniorFull timeRemote workRelocation packageFlexible hoursShift workWeekend work$151k - $170k
...active TS/SCI with Polygraph is required for this position **Position OverviewWe are seeking a highly experienced Senior Linux System Administrator / System Engineer to support a high-visibility mission environment within the Intelligence Community. This role requires...Senior- 212986 Sr. Linux Systems Administrator Will be performing general Linux and network administration tasks. Must have a complete understanding of networking and Ubuntu server administration. This includes installation and configuration of switches, firewalls, LDAP, load...SeniorContract workH1bImmediate start
Procom
Santa Clara, CA3 days ago $145k - $165k
...Overview Senior Linux Systems Administrator LOCATION: Columbia, MD (Onsite) JOB STATUS: Full-time CLEARANCE: Active Top Secret / TS/SCI (Required) TRAVEL: Less than 10% SALARY RANGE: $145k - $165k Astrion has an exciting opportunity for a highly...SeniorFull timeMonday to FridayASTRION, INC.
Columbia, MD3 days ago- Overview Join to apply for the Sr Principal HPC Linux Systems Administrator - Secret - R10207064 role at Northrop Grumman . Relocation assistance may be available. Clearance type: Secret. Travel: Yes, 10% of the time. Note: Due to the classified nature of the work, this...SeniorRemote workRelocation package
$1,500 per month
...Sr. Linux Systems Administrator Clearance Level: Candidates must have an active Secret clearance to be considered. Must be US Citizen Location: Must live within 100 miles of Lexington, MA At Aquila Technology, you will see our team's passion every day, whether...SeniorFull timeRemote workWork from home2 days per weekAquila Technology
Lexington, MA4 days ago- ...powers unprecedented mission-critical analysis, scientific discovery, and scalable national security outcomes.As a Senior Linux System Administrator on this program, you will help deliver enhanced HPC capabilities across multi-vendor HPC servers, HPC clusters, and...SeniorContract workTemporary workLocal areaImmediate start
Vibrint
Hanover, MD7 days ago - ...Job Description Job Description Sr./Lead Linux Systems Administrator We are seeking an experienced Linux System Administrator who can provide solutions and be able to work independently and a good team player. Responsibilities: Responsible for administering...SeniorRemote work
The Rockridge Group
Milpitas, CA5 days ago $1,500 per month
Systems Administrator Clearance Level - Must have an Active Secret Clearance to be considered for this position - Must be US Citizen Location... .... The ideal candidate will have strong computer networking, Linux, and software programming skills that are backed up through...SeniorFull timeLocal areaRemote workWork from homeRelocation2 days per week$151k - $170k
...active TS/SCI with Polygraph is required for this position Position Overview We are seeking a highly experienced Senior Linux System Administrator / System Engineer to support a high-visibility mission environment within the Intelligence Community. This role requires...Senior- ...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
MANTECH
Laurel, MD11 hours ago - ...ILHybridFull Time$100k - $120kA leading institution in Chicago is hiring a Systems Administrator to support advanced computing systems within a fast-growing data science environment. This role focuses on Linux infrastructure, high performance computing clusters, and modern...SeniorFull time
- DescriptionSAIC is seeking a Senior Linux System Administrator for on-site to support the Advanced Scientific and Engineering Computer Center in Newport, RI.Job Duties: Responsible for providing day-to-day operational and maintenance support of the ASECC at Naval Undersea...Senior
$92.3k - $166.85k
...Department of War's (DoW) most critical high-performance computing environments?Leidos is seeking an experienced Senior Linux Systems Administrator to support our customer at Stennis Space Center, MS, home to one of the DoW's largest supercomputing centers. In this role...SeniorFull timeInterim role3 days per week$92.3k - $166.85k
...customers as they address evolving national security challenges.About the OpportunityLeidos is seeking an experienced Senior Linux Systems Administrator - Quality Assurance to support Linux environments that enable mission-critical testing, validation, and operational...SeniorFull time$103k - $155k
...for the full scope of computing infrastructure, end-user systems, servers, virtualization, cloud, networking, software services... ..., test, and engineering operationsTake ownership of Linux systems administration—deploying, configuring, automating, and maintaining production...Senior$135.86k - $186.81k
...Sierra Space, we build the missions and systems that keep our world secure in the domain... ...an extraordinary team.About the RoleThe Sr IT Systems Engineer is a senior-level role... ...with extensive experience in systems administration, cloud computing, and infrastructure design...SeniorFull timeContract workWork experience placement$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...SeniorFull timeContract workPart timeWork at officeLocal areaRemote work$114.6k - $151.9k
..., and control—into real operationsacross the DoD and Intelligence Community.Position DescriptionOur group seeks a Senior Linux Systems Administrator to become part of a team that builds and maintains IT computing and network infrastructure in an unclassified/classified...SeniorFull time$116.35k - $210.33k
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 Software, Analytical...SeniorFull timeImmediate startFlexible hours- ...Job Location: Brevard County, FL 32925 Job Description The Linux/UNIX System Administrator will manage and maintain AFTAC’s Linux-based systems, ensuring optimal performance, security, and reliability. This role involves managing system resources, performing proactive...Senior
Gcubed Enterprises
Florida, NY3 days ago $91k - $138.75k
Worker TypeRegularJob DescriptionSummaryThe Senior Linux Systems Administrator is responsible for designing, deploying, securing, automating, and maintaining enterprise Linux server infrastructure and developer workstation fleets across on-premises and multi-cloud environments...SeniorPermanent employmentFull timeContract workWork experience placementWork at officeLocal area$52 per hour
...Senior Unix/Linux Systems Administrator Location: US-VA-Dahlgren Overview Job specifications are intended to present a descriptive list of the range of duties performed by employees. Specifications are not intended to reflect all duties performed within the job. The Senior...SeniorHourly payContract workTatitlek Technologies, Inc (TTI)
Dahlgren, VA2 days ago- ...environment / service. Minimum of 10 years experience as a Linux System Admin / Eng. \ Required: Linux - (CentOS/RHEL) Linux admin... ...\ Scripting: Shell, Python preferred \\ Physical Server Administration \\ Top Secret Clearance with LS Poly \\ Currently holds...SeniorFull timeFor contractors
Cdit Llc
Remote11 hours ago - ...team supporting advanced, network-connected security screening systems. This is a hands-on role focused on stabilizing and enhancing production... ..., including multi-threading. Proven background working in Linux environments (must-have) Experience supporting distributed /...SeniorFull time
Analogic Jobs
Remote11 hours ago - ...availability, performance, and reliability of mission-critical systems. This role serves as the highest level of operational support, providing... ...to explain complex technical topics Strong understanding of Linux operating systems Availability to work extended hours and...Senior
Avenue Technologies Defunct
Dallas, TX2 days ago - ...Senior Linux Systems Administrator This position is open with a company in the space industry that is looking for a Senior Linux Systems Administrator to administer our Red Hat Linux systems, Dell switches, AWS environment, Azure, Openshift and Ansible environment....SeniorCasual workWeekend work
1872 Consulting
Colorado Springs, CO1 day ago
Do you want to receive more vacancies?
Subscribe and receive similar vacancies to Sr. Linux Systems Administrator. Be the first to apply!
Related searches
- linux administrator part time United States
- linux engineer United States
- linux windows systems administrator United States
- linux systems administrator United States
- remote linux administrator United States
- redhat linux administrator United States
- junior linux administrator United States
- senior linux systems engineer United States
- unix linux administrator United States
- linux support engineer United States