principal linux systems administrator Jobs

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Sr. Systems Engineer

Leidos

Fort Belvoir, Virginia, USA

Full-time

Description Leidos is seeking a Sr. Systems Engineer to support large-scale migration and operations on a large, high-profile DOD contract. The I3TS program provides enterprise-wide IT support to enable DTRA's Information Management & Technology Directorate (ITD) to consolidate, modernize, and continuously innovate the delivery of IT services and mission capabilities to DTRA's internal and external mission partners operating in CONUS and OCONUS locations. The Sr Systems Engineer will deploy new

Cloud Infrastructure Engineer AWS

Infinite Computer Solutions (ICS)

Alpharetta, Georgia, USA

Full-time

Job Title: Cloud Infrastructure Engineer AWS Location: Alpharetta, GA or Berkeley Heights, NJ(Fully Onsite) Full-time / W2 - with Infinite Computer Solutions Position Summary: We are seeking a highly skilled Cloud Infrastructure Engineer with deep expertise in Amazon Web Services (AWS). The ideal candidate will be responsible for designing, implementing, and maintaining scalable, secure, and automated cloud infrastructure to support enterprise applications and workloads. This role will involve i

System Administrator (SA1) (Government)

AT&T Inc.

Columbia, Maryland, USA

Full-time

Job Description: AT&T Global Public Sector is a trusted provider of secure, IP enabled, cloud-based, network solutions and professional services to the Federal Government. We are dedicated to recruiting, developing and empowering a diverse, high-performing workforce that is passionate about what they do, committed to our shared values and dedicated to our customers' mission. MAROONMIDNIGHTS (MMN) Provide IT support and solutions developed for National Cryptologic University classified training

Pc Technician Support

TEKsystems c/o Allegis Group

Chicago, Illinois, USA

Full-time

Top Skills Troubleshooting and configuring hardware for Windows and Mac OS.Experience using ticketing systems, especially ServiceNow.Installing and setting up software and operating systems.Strong communication skills and a customer-first mindset. Responsibilities Diagnose and resolve hardware, software, and application issues.Keep users informed about ticket progress.Maintain accurate ticket updates and escalate when needed.Perform routine maintenance on desktops and laptops.Track and manage I

Linux & UNIX Virtualization Engineer

Entergy

Little Rock, Arkansas, USA

Full-time

Work Place Flexibility: Hybrid Legal Entity: Entergy Services, LLC This is a hybrid position and can be located in New Orleans, LA, Little Rock, AR, The Woodlands, TX or Jackson, MS. Relocation assistance and sponsorship is not provided. Position Summary Entergy is seeking an IT Consultant - UNIX/Linux with a technical expertise to help shape and our hybrid cloud transformation. As a critical member of our Infrastructure Hosting Team, you will manage our on-premise and AWS-based Linux computing

Senior Software Engineer - Hardware Diagnostics

Cisco Systems, Inc.

San Jose, California, USA

Full-time

The application window has been extended and is expected to close on: 08/30/25 Job posting may be removed earlier if the position is filled or if a sufficient number of applications are received. Meet the Team Be part of the Data Center team inside Cisco's Common Hardware Group (CHG). This team works on the CISCO Nexus 9000 network switches and routers based on Cisco SiliconOne ASIC and features application awareness to make the network infrastructure flexible and agile for multi-layered resp

Data Center Deployment engineer- Remote

Calance

Remote or Denver, Colorado, USA

Contract

Role Overview: Support and augment the cloud and infrastructure deployment team by participating in large-scale server and platform deployments across multiple data centers. Work closely with internal teams and post-sales resources to improve deployment efficiency, automation, and process optimization. Key Responsibilities: Remotely manage and execute server and platform deployments, including OS installation, platform validation, and network configuration. Troubleshoot deployment issues, coord

Staff Engineer - Silicon Validation Engineer

Marvell Semiconductor Inc.

Santa Clara, California, USA

Full-time

About Marvell Marvell's semiconductor solutions are the essential building blocks of the data infrastructure that connects our world. Across enterprise, cloud and AI, automotive, and carrier architectures, our innovative technology is enabling new possibilities. At Marvell, you can affect the arc of individual lives, lift the trajectory of entire industries, and fuel the transformative potential of tomorrow. For those looking to make their mark on purposeful and enduring innovation, above and be

Senior Software Engineer - Client Application Runtime

Bloomberg L.P.

New York, New York, USA

Full-time

Description & Requirements Bloomberg has created a reliable and performant JavaScript runtime to build applications for the Terminal. This framework, known as R+, is based on Chromium and Node.js. R+ is used by teams at Bloomberg to build feature-rich applications, including the Terminal browser itself. The R+ Kernel team provides the core APIs that package all the essential Bloomberg libraries required to build complex applications. We own the C++ infrastructure used to run JavaScript/TypeScri

Senior Embedded Software Engineer

Fortinet

Sunnyvale, California, USA

Full-time

Job Description Job Responsibilities: Develop Secured Enterprise Wireless products and features Linux kernel/driver development of popular Wifi chipsets Wifi security protocol implementation Job Requirements: Proficient C programming skill Basic networking protocols and system design knowledge Passion and talent on Linux Kernel and application development Highly motivated, positive, detail oriented and responsible Good team player and good communication skills 802.11, 802.1x and Enterprise Wi

Senior Software Engineer - Client Application Runtime

Bloomberg

New York, New York, USA

Full-time

Senior Software Engineer - Client Application Runtime Location New York Business Area Engineering and CTO Ref # 10044997 Description & Requirements Bloomberg has created a reliable and performant JavaScript runtime to build applications for the Terminal. This framework, known as R+, is based on Chromium and Node.js. R+ is used by teams at Bloomberg to build feature-rich applications, including the Terminal browser itself. The R+ Kernel team provides the core APIs that package all the essential B

Infrastructure / Networking Engineer II

RTX Corporation

Utah, USA

Full-time

Date Posted: 2025-07-17 Country: United States of America Location: UT207: 1127 West 2320 South , West Valley City, UT, 84119 USA Position Role Type: Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirements: Active and transferable U.S. government issued security clearance is required prior to start date.Security Clearance: TS/SCI without Polygraph Raytheon Company Managed by Collins Aerospace. This role is primarily On-Site, with flexibility at hiring manager discretion. Applie

Infrastructure/Networking Engineer II

RTX Corporation

Annapolis, Maryland, USA

Full-time

Date Posted: 2025-07-14 Country: United States of America Location: MD231: 306 Sentinel Drive Suite100 AJ 306 Sentinel Drive Suite 100, Annapolis Junction, MD, 20701 USA Position Role Type: Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirements: Active and transferable U.S. government issued security clearance is required prior to start date.Security Clearance: TS/SCI without Polygraph Raytheon Company Managed by Collins Aerospace. This role is primarily On-Site, with flexibili

Computer Systems Engineer/Architect

Parsons Services Company

Maryland, USA

Full-time

In a world of possibilities, pursue one with endless opportunities. Imagine Next! When it comes to what you want in your career, if you can imagine it, you can do it at Parsons. Imagine a career working with exceptional people sharing a common quest. Imagine a workplace where you can be yourself. Where you can thrive. Where you can find your next, right now. We've got what you're looking for. Job Description: Parsons is seeking an exceptional Computer Systems Engineer/Architect to provide a v

Systems Administrator

General Dynamics

Albuquerque, New Mexico, USA

Full-time

Type of Requisition: Regular Clearance Level Must Currently Possess: None Clearance Level Must Be Able to Obtain: None Public Trust/Other Required: None Job Family: Systems Administration Job Qualifications: Skills: Monitoring Tools, Network Monitoring, System Monitors, System Performance Certifications: None Experience: 5 + years of related experience ship Required: Yes Job Description: Transform technology into opportunity as an IT Systems Administrator - Systems Monitoring with GDIT.

Cloud System Administrator and Engineer

Booz Allen Hamilton

Bethesda, Maryland, USA

Full-time

Job Number: R0223484 Cloud System Administrator and Engineer The Opportunity: Your combination of people skills and system administrator knowledge makes you the team hero, solving one problem after another. What if you could use those skills to improve the technology supporting mission-critical infrastructure? We're looking for a system administrator who can understand and design networks and systems to help us maintain and upgrade mission hardware and sof tware applications. As a system admini

Sr Principal C++ Software Engineer

Cadence Design Systems Inc

Burlington, Massachusetts, USA

Full-time

At Cadence, we hire and develop leaders and innovators who want to make an impact on the world of technology. We are looking for a remarkably talented Software Engineer to join the Palladium Software Development team. You will work closely with a small team of exceptional engineers that are heavyweights in Cadence and EDA while developing the next generation Palladium emulation platform. The team brings a unique focus to quality and innovation while designing state-of-the-art Cadence emulation

Systems Engineer Sr

Lockheed Martin Corporation

King of Prussia, Pennsylvania, USA

Full-time

Job Description The Lockheed Martin Mission Processing team is seeking a driven Senior Systems Integration & Test Engineer to join the team testing software that will enable us to deliver the best quality product to our customer. In this position you will develop test plans, implement tests, develop test documentation, and maintain solutions for the integration and testing of individual software components, subsystems, and/or systems. Basic Qualifications System level test experience Experie

Senior Specialist, Cyber Infrastructure Systems Engineer TS/SCI- Vandenberg, CA

Harris Corporation

Lompoc, California, USA

Full-time

L3Harris is dedicated to recruiting and developing high-performing talent who are passionate about what they do. Our employees are unified in a shared dedication to our customers' mission and quest for professional growth. L3Harris provides an inclusive, engaging environment designed to empower employees and promote work-life success. Fundamental to our culture is an unwavering focus on values, dedication to our communities, and commitment to excellence in everything we do. L3Harris Technologie

Sr. Manager, Information Security Systems Engineer ($15,000 Sign On Bonus)

L3Harris Technologies

Greenville, Texas, USA

Full-time

L3Harris is dedicated to recruiting and developing high-performing talent who are passionate about what they do. Our employees are unified in a shared dedication to our customers' mission and quest for professional growth. L3Harris provides an inclusive, engaging environment designed to empower employees and promote work-life success. Fundamental to our culture is an unwavering focus on values, dedication to our communities, and commitment to excellence in everything we do. L3Harris Technologie