Principal Linux Systems Administrator Jobs in Philadephia, PA

1 - 20 of 216 Jobs

Sr. Linux Systems Administrator (TS/SCI Clearance Required)Job Title - Sr. Linux Systems Administrator (TS/SCI Clearance Required)

Lockheed Martin CorporationCompany Name - Lockheed Martin Corporation

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King of Prussia, Pennsylvania, USA

Full-time

Job Description What We're Doing: Lockheed Martin's Spectrum Convergence is part of Lockheed Martin's Rotary & Mission Systems business area. As the company's center of excellence for end-to-end radio frequency mission solutions, this market segment focuses on developing technologies that help the warfighter stay ahead of threats in the electromagnetic spectrum. You'll draw on all your education and experience as well as the resources of Lockheed Martin to keep the threats at bay. Who we are:

Sr. Windows/Linux Systems Administrator (Secret Clearance Required)Job Title - Sr. Windows/Linux Systems Administrator (Secret Clearance Required)

Lockheed Martin CorporationCompany Name - Lockheed Martin Corporation

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King of Prussia, Pennsylvania, USA

Full-time

Job Description What We're Doing: As part of Lockheed Martin Rotary & Mission Systems business area, our team supports multiple software applications in the Tactical Tomahawk Weapons Control System (TTWCS). We develop and maintain the foundational layer of TTWCS, including networking infrastructure and process management, in addition to Tactical Command and Control applications handling mission planning and missile communication. In a nutshell, our team ensures the United States Navy has the t

Systems Administrator, Linux - School of MedicineJob Title - Systems Administrator, Linux - School of Medicine

Penn MedicineCompany Name - Penn Medicine

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Philadelphia, Pennsylvania, USA

Full-time

Description Penn Medicine is dedicated to our tripartite mission of providing the highest level of care to patients, conducting innovative research, and educating future leaders in the field of medicine. Working for this leading academic medical center means collaboration with top clinical, technical and business professionals across all disciplines. Today at Penn Medicine, someone will make a breakthrough. Someone will heal a heart, deliver hopeful news, and give comfort and reassurance. Our e

Systems Administrator // Windows and LinuxJob Title - Systems Administrator // Windows and Linux

Motion Recruitment Partners, LLCCompany Name - Motion Recruitment Partners, LLC

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King of Prussia, Pennsylvania, USA

Full-time

A marketing services provider company in King of Prussia, PA is looking to hire a full-time Systems Administrator. You will be working in a mixed Windows and Linux enterprise environment doing server builds, upgrades, and patching, Linux Ubuntu, physical and virtual servers, VMWare ESXi, vCenter/vSphere, SQL servers, and SAN storage. You will also be working with DNS, DHCP, Active Directory GPO's, and Automation. Any experience with Azure or AWS is needed since you will be helping them move thei

Systems Administrator - Mid-CareerJob Title - Systems Administrator - Mid-Career

Lockheed Martin CorporationCompany Name - Lockheed Martin Corporation

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Moorestown, New Jersey, USA

Full-time

Job Description WHAT WE'RE DOING At Lockheed Martin Rotary and Mission Systems, we're on a mission to drive innovation and uphold the highest standards of business ethics. We believe that by pushing the boundaries of visionary thinking, we can achieve exceptional results. As a Lockheed Martin employee, you'll have the opportunity to make a meaningful impact while working in an environment that values integrity and excellence. THE WORK Responsible for the installation, configuration, maintenanc

Linux L3 Systems Engineer - Infrastructure Security, VP (C13)Job Title - Linux L3 Systems Engineer - Infrastructure Security, VP (C13)

CitiCompany Name - Citi

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Remote or New Castle, Delaware, USA

Full-time

About Citi: Citi, the leading global bank, has approximately 200 million customer accounts and does business in more than 160 countries and jurisdictions. Citi provides consumers, corporations, governments, and institutions with a broad range of financial products and services, including consumer banking and credit, corporate and investment banking, securities brokerage, transaction services, and wealth management. As a bank with a brain and a soul, Citi creates economic value that is systemic

Systems Administrator // MSPJob Title - Systems Administrator // MSP

Motion Recruitment Partners, LLCCompany Name - Motion Recruitment Partners, LLC

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Media, Pennsylvania, USA

Full-time

Job Description An IT consulting company based in Media, PA is seeking a Systems Administrator to join their team. In this client-facing role, you will be responsible for designing, deploying, and maintaining IT infrastructure solutions for a wide range of clients across various industries. You will work closely with clients to assess their needs and implement tailored solutions to optimize their IT environments, whether on-premises or in the cloud. This role is ideal for an engineer who thrive

Linux Information Systems Analyst, Sr / Secret / King of Prussia, PAJob Title - Linux Information Systems Analyst, Sr / Secret / King of Prussia, PA

Lockheed Martin CorporationCompany Name - Lockheed Martin Corporation

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King of Prussia, Pennsylvania, USA

Full-time

Job Description About Us: Our employees are the core of everything we do, and they are helping the future arrive. As a leading technology innovation company, our team of over 100,000 people works with partners around the world to bring proven performance to our customers' toughest challenges. Headquartered in Bethesda, MD, Lockheed Martin has employees based in all 50 states and more than 570 facilities that span 70 countries. This Lockheed Martin Enterprise Operations (EO) position will suppor

Linux System AdministratorJob Title - Linux System Administrator

Sun Technologies,Inc.Company Name - Sun Technologies,Inc.

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Remote

Contract

Job Title: Linux System Administrator Duration: up to 12 months contract (with the possibility of extension) Location: Fort Worth, TX 76108 Pay Rate: $60/hr - $70/hr on W2 [the pay rate may differ depending on your skills, education, experience, and other qualifications] Featured Benefits: Medical Insurance in compliance with the ACA401(k)Sick leave in compliance with applicable state, federal, and local laws Skills Required: The Linux Systems Administrator will be a member of the Enterprise IT

Linux System AdministratorJob Title - Linux System Administrator

GovCIOCompany Name - GovCIO

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Remote

Full-time

Overview GovCIO is hiring a Windows and Linux System Administrator to support Veterans Affairs operational needs . The role requires AWS, Windows, and Linux administration experience, with strong database management skills, to maintain infrastructure and ensure system security and performance. This position is fully remote within the United States. Responsibilities Plan the transition of development and/or production environments to new technologies . Ensure data integrity and facilitate elec

Linux Administrator/Support Desk Analyst - UJMSJob Title - Linux Administrator/Support Desk Analyst - UJMS

GovCIOCompany Name - GovCIO

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Remote

Full-time

Overview GovCIO is currently hiring for a Linux Administrator/Support Desk Analyst (SDA) provides service desk and application and security management services for the Unified Jury Management System (UJMS). The analyst will be required to have troubleshooting, analytical, and decision-making skills to provide support and resolution to end-user issues or questions. The incumbent will provide operational and technical support to resolve software application, security, and technical issues associa

Linux Administrator - Red HatJob Title - Linux Administrator - Red Hat

Convene Inc.Company Name - Convene Inc.

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Remote

Contract

About Convene Inc. Convene, Inc. is a Tampa based, award-winning technology services organization with offices and resources throughout the US, Mexico, and India. We have successful, referenceable customers, competitive benefits, and high-growth opportunities.Linux Administrator - Red Hat Duties will include but not limited to the following: Able to deploy and set up Red Hat Enterprise Linux on physical or virtual servers. Able to implement security policies, managing firewalls, and monitoring

Hybrid Systems Engineer, Sr (Windows / Linux) / Onsite: COJob Title - Hybrid Systems Engineer, Sr (Windows / Linux) / Onsite: CO

Lockheed Martin CorporationCompany Name - Lockheed Martin Corporation

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Remote or Littleton, Colorado, USA

Full-time

Job Description Our employees are the core of everything we do, and they are helping the future arrive. As a leading technology innovation company, our team of over 100,000 employees work with our partners around the world to bring the latest technology to our customers' toughest challenges. Headquartered in Bethesda, MD, Lockheed Martin has employees based in all 50 states and more than 570 facilities that span 70 countries. This Enterprise Operations (EO) position supports the Lockheed Marti

Systems Administrator 3Job Title - Systems Administrator 3

Kforce Technology StaffingCompany Name - Kforce Technology Staffing

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Remote or Redmond, Washington, USA

Contract

RESPONSIBILITIES: Kforce has a client that is seeking a highly skilled Systems Administrator 3 in Redmond, WA. Key Responsibilities: * Systems Administrator 3 will maintain, configure, and troubleshoot Ubuntu Linux systems in production and development environments * Administer and manage Perforce (Helix Core) version control, Swarm code review systems, including user management, service configuration via SDP, Helix authentication service (HAS), replication, backups, disaster recovery, and upgr

Systems Administrator / SS&C or Advent or similar exp req(remote)Job Title - Systems Administrator / SS&C or Advent or similar exp req(remote)

KelltonCompany Name - Kellton

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Remote

Contract

IT Systems Administration / Wealth Management Client Midtown- Hybrid Long term contract and possible Contract to hire Role Summary Our Wealth Management client is seeking anIT Systems Administration to provide hands-on management of our on-premises IT infrastructure. This is a contract-to-hire position (initial two-year contract) based in New York City with a hybrid work structure. Reporting directly to the Chief Operating Officer (COO), the Director will ensure that all critical systems inclu

Principal IT Systems EngineerJob Title - Principal IT Systems Engineer

Commonspirit HealthCompany Name - Commonspirit Health

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Remote or Englewood, Colorado, USA

Full-time

Overview Inspired by faith. Driven by innovation. Powered by humankindness. CommonSpirit Health is building a healthier future for all through its integrated health services. As one of the nation's largest nonprofit Catholic healthcare organizations, CommonSpirit Health delivers more than 20 million patient encounters annually through more than 2,300 clinics, care sites and 137 hospital-based locations, in addition to its home-based services and virtual care offerings. CommonSpirit has more tha

Network/Systems AdministratorJob Title - Network/Systems Administrator

GovCIOCompany Name - GovCIO

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Remote

Full-time

Overview GovCIO is currently hiring for a Systems Administrator IV to support the Department of Veterans Affairs by maintaining and optimizing server and client operating systems across a remote enterprise environment. This position will be fully remote within the United States. Responsibilities Establishes and maintains smooth operation of computer systems (to include operating systems, software and hardware) in networked or stand-alone configurations, maintains system integrity, and upgrade

Systems Support Administrator - USJob Title - Systems Support Administrator - US

PearsonCompany Name - Pearson

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Remote

Full-time

Position Summary: Pearson Virtual Schools (PVS), is hiring a Systems Administrator, local to Baltimore Maryland, who will join the team who manages our School IT Services for our customers nationwide. Candidates should have practical experience in the support and administration of various IT services. We are looking for someone who has the hands-on experience as well as the ability to manage and "get things done" in a highly technical environment. Professional customer service skills and indepen

Systems Administrator Intern - Summer 2025Job Title - Systems Administrator Intern - Summer 2025

CACI International, Inc.Company Name - CACI International, Inc.

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Remote

Part-time

Systems Administrator Intern - Summer 2025 Job Category: Intern/Co-op Time Type: Part time Minimum Clearance Required to Start: TS/SCI Employee Type: Part-Time On-Call Percentage of Travel Required: Up to 10% Type of Travel: Continental US * * * The Opportunity: CACI is seeking a motivated and tech-savvy intern to join our Service Desk team on the F3I program. This internship offers a unique opportunity to gain hands-on experience in IT support and systems administration. This position w

Sr. Backup & Restore Systems Administrator- Onsite in Ft. WorthJob Title - Sr. Backup & Restore Systems Administrator- Onsite in Ft. Worth

Lockheed Martin CorporationCompany Name - Lockheed Martin Corporation

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Remote or Fort Worth, Texas, USA

Full-time

Job Description As a Backup and Data Protection Specialist, you will be tasked with the management, configuration, and maintenance of our backup and recovery systems. The backup infrastructure you will be responsible for supports the Development Networks utilized by the Aeronautics business area to develop software for air combat platforms like the F-16, F-22 and F-35. You will ensure data protection and integrity, implement disaster recovery plans, and provide technical support for backup solu