UNKNOWN

FEED

In addition to extensive knowledge of Linux, this role requires excellent customer service skills, as the Unix branch supports system owners and users from most Divisions within the Bureau as well as other Branches within the Computer Services Division such as Backups, Virtualization, Storage and Enterprise Operations to name a few. Ignite IT is seeking a very experienced, senior-level Red Hat Linux Admin/Engineer to join and provide dedicated support to the Unix Management Branch of the Computer Services Division on our contract with US Census Bureau.

Ignite IT

Senior Linux Administrator

ea_via_bold

HOUR

We are seeking a self-motivated and highly experienced software engineering expert who can provide right technical direction and insights into the product development and facilitate their implementation. "A minimum of 15 years of experience in embedded software development with focus on OS internals, BSW development and low-level drivers on various platform architectures.

Since 1996, RJT has provided successful SAP, Oracle, and IT consulting solutions and staffing services to clients around the world. The new Apolis brings you the same personalized service fortified with a greater array of IT solutions, global expertise, and cost-management strategies.
We are a global IT consultancy that seamlessly integrates experts and leading-edge solutions into your organization so you can focus on what really matters.

Apolis

Senior Software Technical Expert: QNX and Embedded Linux systems

jobdiva

With our ingenuity, drive and deep curiosity we discover new insights, innovations, and solutions that efficiently and responsibly resolve complex natural resource, digital, energy transition and infrastructure challenges. This role supports Linux systems, storage platforms, and HPC infrastructure while working under the guidance of senior engineers.

Viridien SA

HPC Jr Linux IT Specialist

The specific demonstrated skills, as more fully set forth at each level may include: providing support for the implementation and operation of Red Hat Enterprise Linux-based Information Technology (IT) systems or Red Hat Derivative systems, installing and configuring Linux-based operating systems and their services, conducting day-to-day operations, such as account management, system health and status checks, and internal technical and security log review, identifying capacity, performance, and reliability issues and escalating them for resolution, applying patches and configuration changes according to provided direction, supporting the dispatching of hardware technicians, and performing hardware maintenance, managing the system as part of an integrated solution, assisting related administrators in troubleshooting and correcting network and storage subsystem issues, automating tasks and using tools in order to provide concurrent management of multiple systems, anticipating and proactively correcting deficiencies and errors related to capacity, performance, and reliability, and communicating status to agency management and internal customers. Our logo consists of the Greek letter, Omega, which represents our dedication to providing end solutions to our customers as well as a culture that empowers and inspires employees to become the best version of themselves in pursuit of a happy, healthy, and fulfilling life.

YEAR

Omega Enterprise Solutions

Linux System Administrator III

Our team works with DevOps technologies, systems automation, configuration management, Linux container technologies (Kubernetes, GitOps workflows), CI/CD pipelines, disaster recovery, performance tuning, and more. The SMX salary determination process takes into account a number of factors, including but not limited to, geographic location, Federal Government contract labor categories, relevant prior work experience, specific skills, education and certifications.

Cleared Onsite Linux Administrator (5647)

GreenHouseAPI

The SMX salary determination process takes into account a number of factors, including but not limited to, geographic location, Federal Government contract labor categories, relevant prior work experience, specific skills, education and certifications. Our delivery model and unique approaches harness our deep technical and domain knowledge, providing forward-looking insights and practical solutions to power secure mission acceleration.

Linux Systems Administrator (5589)

Own the day-to-day operational health of the Linux Center of Expertise by driving RHEL 8/RHEL 9 security remediation, coordinating with service owners, maintaining Puppet and Ansible automation, and ensuring timely execution of KTLO operational work across the OS Engineering organization. HonorVet Technologies is a veteran-owned IT staffing firm, ISO 9001 and ISO 27001 certified, working with federal agencies, state governments, and Fortune 500 enterprise clients across the US.

&nbsp;Is a leading Service Disabled Veteran Owned Small Business providing IT, Telecom and Medical Staffing.

HonorVet Technologies

Linux Administrator

This role is responsible for managing a team of infrastructure engineers and administrators delivering services across KVM virtualization, IBM AIX, Red Hat Enterprise Linux (RHEL), Oracle Linux, Tandem systems, IBM MQ, BIND DNS, and middleware technologies . If you are a US job seeker unable to review the job opportunities herein, or cannot otherwise complete your expression of interest, without additional assistance and would like to discuss a request for reasonable accommodation, please contact our Global Recruiting organization at GlobalRecruiting@unisys.com or alternatively Toll Free: 888-560-1782 (Prompt 4).

Unisys is a worldwide information technology company. We provide a portfolio of IT services, software, and technology that solves critical problems for clients.
We specialize in helping clients secure their operations, increase the efficiency and utilization of their data centers, enhance support to their end users and constituents, and modernize their enterprise applications. To provide these services and solutions, we bring together offerings and capabilities in outsourcing services, systems integration and consulting services, infrastructure services, maintenance services, and high-end server technology.

Unisys

Manager, Linux & Unix Infrastructure Services

Experience: Minimum of 3-5 years of hands-on experience in systems administration, with at least 2 years specifically supporting VMware HPE SimpliVity, production Red Hat Enterprise Linux (RHEL) environments, and production Solaris administration. HII's diverse workforce includes skilled tradespeople; artificial intelligence, machine learning (AI/ML) experts; engineers; technologists; scientists; logistics experts; and business administration professionals.

Huntington Ingalls Industries is America’s largest military shipbuilding company and a provider of professional services to partners in government and industry. For more than a century, HII’s Newport News and Ingalls shipbuilding divisions in Virginia and Mississippi have built more ships in more ship classes than any other U.S. naval shipbuilder. HII’s Technical Solutions division provides a wide range of professional services through its Fleet Support, Integrated Missions Solutions, Nuclear & Environmental, and Oil & Gas groups. Headquartered in Newport News, Virginia, HII employs nearly 37,000 people operating both domestically and internationally.

Huntington Ingalls Industries Inc

UNIX/LINUX SYSTEM ADMINISTRATOR LEVEL 3

The role splits its time between the Business Availability team, which designs highly available Linux and Unix infrastructure and reduces reliance on planned maintenance windows, and the Disaster Recovery practice, which validates that Linux and Unix solutions meet recovery objectives. If you are a US job seeker unable to review the job opportunities herein, or cannot otherwise complete your expression of interest, without additional assistance and would like to discuss a request for reasonable accommodation, please contact our Global Recruiting organization at GlobalRecruiting@unisys.com or alternatively Toll Free: 888-560-1782 (Prompt 4).

Principal UNIX/Linux System Administrator - Business Availability & Disaster Recovery

ADAPTED_NOW

Within this role, your primary objectives will include supporting new product development activities in a Product Development / R&D environment by researching and developing new materials, components/assemblies, methods, and/or processes utilizing engineering principles to meet User and Stakeholder Requirements while adhering to project objectives for quality, cost and delivery. CVI produces new products using advanced manufacturing methodologies while also serving as a factory service center providing expert customer service in the repair and refurbishment of Canon products.

Canon Virginia Inc

Engineer II - Electrical

jobtargetdirectftpin

Our Fabric architecture delivers a 10–100x improvement in energy efficiency for general-purpose computation, including AI, while supporting familiar programming languages and software frameworks—unlocking new possibilities for autonomous machines, intelligent infrastructure, wearables, and space systems. This includes device discovery and probe, MMIO register interfaces, interrupt handling, command and completion queue management, power management, firmware, chip diagnostics, logging and device health, as well as abstracting the user-space ABI with a HAL that the runtime depends on.

Efficient Computer

Senior Staff Software Engineer, Linux Kernel

Founded in Chicago by the creators of thinkorswim, acquired by London-based IG Group in 2021, we combine startup innovation with the backing of a FTSE 100 fintech operating across five continents serving over 1.3m customers and handling billions of dollars in transactions - built on scale, trust, and proof. From our headquarters in Chicago's Fulton Market, our team builds award-winning trading platforms, produces live financial education content daily, and creates technology that makes complex markets accessible.

tastytrade, Inc

Senior Linux Infrastructure Engineer

Fastly's edge cloud platform enables customers to create great digital experiences quickly, securely, and reliably by processing, serving, and securing our customers' applications as close to their end-users as possible - at the edge of the Internet. As a Staff engineer you own technical problems end to end: from a crash signature or a new NIC on the bench, through root cause and design, to a change that is upstreamed and safely running on thousands of servers.

Fastly Inc

Staff Software Engineer - Linux Kernel

Mission-oriented work at a non-profit that supports and protects our Nation's warfighters; as a non-profit, IDA employees are eligible for Public Service Loan Forgiveness (PSFL). Overview: The Institute for Defense Analyses (IDA) in Princeton, NJ has an immediate career opening for a Systems Engineer with expertise in the Linux operating system.

Institute for Defense Analyses

Systems Engineer

Original Posting: September 23, 2026 For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above. The Linux System Administrator will work within a team engineers, developers and system administrators, adding new capabilities to our enclaves, as well as ensuring the existing systems are secure and performing as intended.

SAIC is a premier Fortune 500® technology integrator driving our nation's digital transformation. Our robust portfolio of offerings across the defense, space, civilian, and intelligence markets includes secure high-end solutions in engineering, IT modernization, and mission solutions. Using our expertise and understanding of existing and emerging technologies, we integrate the best components from our own portfolio and our partner ecosystem to deliver innovative, effective, and efficient solutions that are critical to achieving our customers' missions.

We are a team of 26,000 strong driven by mission, united purpose, and inspired by opportunity. Headquartered in Reston, Virginia, SAIC has annual revenues of approximately $7.1 billion. For more information, visit saic.com.

Leidos Holdings Inc

Linux System Administrator

Smartronix

Linux Systems Administrator (5325)

FULL_TIME

In this role, you will manage the installation, maintenance, and proactive monitoring of hardware (servers, network switches, routers, workstations, hard drives, driver license readers, barcode readers, printers, digital scanners, etc.) and all customer applications (e.g., AD, System Center Configuration Manager/Post Administration Tool, Travel Document Issuance System, Passport Records Imaging System Management, Automated Cash Register System, and other locally installed customer applications). The SA will ensure confidentiality, integrity, availability, efficiency, and effectiveness of systems, software, hardware, and data; provide technical support for testing and evaluation, and execute regular data backups, restores, and purging procedures to ensure data availability; coordinate hardware/software upgrades, consolidations, and equipment retirements.

Empower AI Inc.

Linux/UNIX Systems Administrator

[AW]-iCims

With a shared desire to give back, grow the community, and do great work, the Set of X team is building an elite group of engineers with a strong sense of shared responsibility and ownership. Fringe Benefit Mall: Choose from perks like Uber rides, a beer of the month club, Amazon Prime, and Hello Fresh—whatever suits you best!

Set of X

partner JazzHR

Working knowledge of virtualization, storage, filesystems, host firewalls, TCP/IP networking, Domain Name System (DNS), Dynamic Host Configuration Protocol (DHCP), and diagnostic tools. Test and document changes, follow approval processes, communicate service impacts and risks, share knowledge, and implement improvements that reduce recurring incidents.

Linux Engineer Jobs in the United States

Senior Linux Administrator Ignite IT

Senior Software Technical Expert: QNX and Embedded Linux systems Apolis

HPC Jr Linux IT Specialist Viridien SA

Linux System Administrator III Omega Enterprise Solutions

Cleared Onsite Linux Administrator (5647) SMX

Linux Systems Administrator (5589) SMX

Linux Administrator HonorVet Technologies

Manager, Linux & Unix Infrastructure Services Unisys

UNIX/LINUX SYSTEM ADMINISTRATOR LEVEL 3 Huntington Ingalls Industries Inc

Principal UNIX/Linux System Administrator - Business Availability & Disaster Recovery Unisys

Engineer II - Electrical Canon Virginia Inc

Senior Staff Software Engineer, Linux Kernel Efficient Computer

Senior Linux Infrastructure Engineer tastytrade, Inc

Staff Software Engineer - Linux Kernel Fastly Inc

Systems Engineer Institute for Defense Analyses

Linux System Administrator Leidos Holdings Inc

Linux Systems Administrator (5325) Smartronix

Linux/UNIX Systems Administrator Empower AI Inc.

Linux System Administrator Set of X

Systems Administrator - Linux La Jolla Logic, Inc

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