Windows/Linux System Administrator Jobs

3,261 - 3,280 of 4,327 Jobs

Job Title: Engineer Work Place Flexibility: Hybrid Legal Entity: Entergy Operations, Inc.-EOI This positon may be filled in any of our Louisiana, Texas, Arkansas or Mississippi service territories. This position will be filled as an Engineer , or Senior based on qualifications and experience of the selected candidate Job Summary/Purpose This position is a system-level individual contributor who provides system level support, leadership, and representation for the Distribution Asset Planning

SQL Server Database Administrator (on-premises) - TS/SCI with PolygraphJob Title - SQL Server Database Administrator (on-premises) - TS/SCI with Polygraph

General Dynamics Information TechnologyCompany Name - General Dynamics Information Technology

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Chantilly, Virginia, USA

Full-time

Type of Requisition: Regular Clearance Level Must Currently Possess: Top Secret SCI + Polygraph Clearance Level Must Be Able to Obtain: Top Secret SCI + Polygraph Public Trust/Other Required: None Job Family: Database Analysis/Design Job Qualifications: Skills: Database Administration, DISA STIG, Microsoft SQL Server Certifications: None Experience: 3 + years of related experience ship Required: Yes Job Description: We are GDIT. The people supporting and securing some of the most comple

Senior Kubernetes Software EngineerJob Title - Senior Kubernetes Software Engineer

LeidosCompany Name - Leidos

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Columbia, Maryland, USA

Full-time

Job Description Leidos has a new and exciting opportunity for a Principal Software Engineer in our National Security Sector's (NSS) Cyber & Analytics Business Area (CABA). Our talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical Methods and Modeling, Signals Intelligence (SIGINT), and Cryptographic Key Management. At Leidos, we offer competitive benefits, including Paid Time Off, 11 paid Holidays, 401K with a 6% company match

Network EngineerJob Title - Network Engineer

LeidosCompany Name - Leidos

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Odenton, Maryland, USA

Full-time

The Digital Modernization Sector at Leidos has an opening for a senior Network Engineer on the DISA Defense Red Switch Network team in support of an enterprise VoIP management system - GSM-O II contract at Fort Meade, MD. The successful candidate will have a Network Engineering background responsible for the design, document, test, deployment and maintenance of the IP network solutions within an enterprise environment on a high-paced, fast-moving program. As a Network Engineer, the successful c

Sr Systems Engineer - Mid CareerJob Title - Sr Systems Engineer - Mid Career

Lockheed Martin CorporationCompany Name - Lockheed Martin Corporation

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Littleton, Colorado, USA

Full-time

Job Description WHO WE ARE Lockheed Martin is a global leader in aerospace, defense, and technology solutions, dedicated to pushing the boundaries of innovation and shaping the future of the industry. With a rich legacy of excellence and a commitment to delivering advanced capabilities to our customers, we are proud to be at the forefront of cutting-edge technology and engineering. WHAT WE'RE DOING At Lockheed Martin, we're revolutionizing the aerospace and defense sector through groundbreakin

Network EngineerJob Title - Network Engineer

SAICCompany Name - SAIC

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Remote

Full-time

Job ID: 2506496 Location: REMOTE WORK, VA, US Date Posted: 2025-07-22 Category: Information Technology Subcategory: Network Engineer Schedule: Full-time Shift: Day Job Travel: Yes, 10 % of the Time Minimum Clearance Required: Secret Clearance Level Must Be Able to Obtain: None Potential for Remote Work: Yes Description SAIC is seeking a Network Engineer (Fleet Support) to join our TACNET ISEA team. This position is a fully remote position supporting dedicated distance support to US Na

Senior Site Reliability EngineerJob Title - Senior Site Reliability Engineer

NVIDIA CorporationCompany Name - NVIDIA Corporation

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Santa Clara, California, USA

Full-time

Join our team in Santa Clara, CA, USA as a Senior Site Reliability Engineer. At NVIDIA, you'll be part of the team shaping the future of computing and guaranteeing the smooth operation of our brand-new technologies. Our mission is to leverage AI's power to build outstanding and pioneering solutions that have a significant impact on the world. What you'll be doing: Own the solutions you build, collaborating with cross-functional teams to successfully implement them.Collaborate with various teams

Senior Level O365 Exchange AdminJob Title - Senior Level O365 Exchange Admin

Kforce Technology StaffingCompany Name - Kforce Technology Staffing

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Davie, Florida, USA

Contract

RESPONSIBILITIES: Kforce has a client seeking a Senior Level O365 Exchange Admin in Fort Lauderdale, FL. Key Responsibilities: * Administer and support Microsoft Exchange Online (Office 365), including hybrid Exchange environments * Manage the lifecycle of mailboxes, distribution groups, public folders, and shared mailboxes * Configure and maintain email security, including anti-spam, anti-malware, and data loss prevention (DLP) policies * Monitor and troubleshoot mail flow issues, ensuring hig

Workday HCM Integration Lead and DeveloperJob Title - Workday HCM Integration Lead and Developer

Apex SystemsCompany Name - Apex Systems

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Hampton, Virginia, USA

Full-time

Job#: 2082215 Job Description: Position: Workday HCM Integration Lead/Developer (Contractor) Job Summary: The Workday Integration Lead/Developer primary responsibility will be to provide lead support, development, testing and management of integrations of our Workday Implementation Project. Additional responsibilities to include reporting, forms, security administration, monitoring and auditing. Workday Integration Lead/Developer to lead/manage with implementation partner integration workstr

Systems Operations EngineerJob Title - Systems Operations Engineer

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

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Chandler, Arizona, USA

Full-time

Outstanding long-term contract opportunity! A well-known Financial Services Company is looking for a Systems Operations Engineer in Chandler, AZ, Charlotte, NC or Dallas, TX (Hybrid). Work with the brightest minds at one of the largest financial institutions in the world. This is long-term contract opportunity that includes a competitive benefit package! Our client has been around for over 150 years and is continuously innovating in today's digital age. If you want to work for a company that is

Automation EngineerJob Title - Automation Engineer

Motorola SolutionsCompany Name - Motorola Solutions

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Chicago, Illinois, USA

Full-time

Company Overview At Motorola Solutions, we believe that everything starts with our people. We're a global close-knit community, united by the relentless pursuit to help keep people safer everywhere. Our critical communications, video security and command center technologies support public safety agencies and enterprises alike, enabling the coordination that's critical for safer communities, safer schools, safer hospitals and safer businesses. Connect with a career that matters, and help us buil

Senior Systems Administrator - TS/SCI with PolyJob Title - Senior Systems Administrator - TS/SCI with Poly

LeidosCompany Name - Leidos

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Aurora, Colorado, USA

Full-time

Leidos is seeking a highly skilled Senior Systems Administrator to support mission-critical operations across various laboratory environments. This role focuses on acquiring, configuring, and maintaining computer servers, operating systems, networks, and network file systems to address complex mission-specific challenges. The Senior Systems Administrator will work in dynamic lab settings, providing technical expertise, troubleshooting, and support to ensure reliable and secure IT infrastructure

System Software Architect, HPC NetworkingJob Title - System Software Architect, HPC Networking

NVIDIA CorporationCompany Name - NVIDIA Corporation

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Santa Clara, California, USA

Full-time

Our technology has no boundaries! Nvidia is building the world's most groundbreaking and state of the art GPU platforms for the world to use. It's because of our work that scientists, researchers and engineers can advance their ideas. At its core, our visual computing technology not only enables an amazing computing experience, but it is also energy efficient! We pioneered a supercharged form of computing loved by the most demanding computer users in the world - scientists, designers, artists, a

Tech Leader-Testing, Network OSJob Title - Tech Leader-Testing, Network OS

Cisco Systems, Inc.Company Name - Cisco Systems, Inc.

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Boxborough, Massachusetts, USA

Full-time

THIS is a HYBRID ROLE LOCATED IN BOXBOROUGH, MA. There is a minimum requirement of 2 days onsite in the office per week. Meet the Team We are looking for a self-motivated development test engineer to join our software engineering team working on commercial products for Cable Service Provider applications. We are a small agile team, but we interact within a product team, with other product teams within Cisco, with vendors, and help reproduce and solve customer cases. Your Impact The Tech Lead

Information Assurance System Security Engineer (ISSE) IIIJob Title - Information Assurance System Security Engineer (ISSE) III

General DynamicsCompany Name - General Dynamics

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Manassas, Virginia, USA

Full-time

Type of Requisition: Regular Clearance Level Must Currently Possess: Top Secret/SCI Clearance Level Must Be Able to Obtain: Top Secret SCI + Polygraph Public Trust/Other Required: None Job Family: Information Security Job Qualifications: Skills: Information Assurance, Information Security, Information Systems Certifications: None Experience: 15 + years of related experience ship Required: Yes Job Description: Transform technology into opportunity as an Information Assurance System Securi

Network & Systems AdministratorJob Title - Network & Systems Administrator

SNI TechnologyCompany Name - SNI Technology

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Colorado Springs, Colorado, USA

Contract

Job Details SNI Technology's top client located in Colorado Springs, CO is seeking to hire a talented IT Network & Systems Administrator for an exciting contract-to-hire opportunity! Please note this is a full-time, 40-hour-per-week position with a hybrid work environment (i.e., 1 week onsite, 1 week remote rotating schedule) working out of their Colorado Springs office location. This position is open to candidates interested in relocating to Colorado Springs. Relocation assistance can also be

Cloud Developer SeniorJob Title - Cloud Developer Senior

JacobsCompany Name - Jacobs

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Washington, District of Columbia, USA

Full-time

We are searching for a Top Secret cleared Cloud Developer (Senior) to join our team in Washington, DC. You will be working in an organization that's mission is to accelerate operations through data and new analytical insights. In this role you will support ongoing maintenance of multiple Virtual Private Clouds across enclaves, including managing backups, patching, upgrades, developer workstations, monitoring, and overall security posture. The entire section leverages agile and works to provide

Microsoft Azure Architect Data/AI CloudJob Title - Microsoft Azure Architect Data/AI Cloud

IBMCompany Name - IBM

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Alexander, Illinois, USA

Full-time

Introduction A career in IBM Consulting is rooted by long-term relationships and close collaboration with clients across the globe. You'll work with visionaries across multiple industries to improve the hybrid cloud and AI journey for the most innovative and valuable companies in the world. Your ability to accelerate impact and make meaningful change for your clients is enabled by our strategic partner ecosystem and our robust technology platforms across the IBM portfolio; including Software an

Network Engineer III (Government)Job Title - Network Engineer III (Government)

AT&T Inc.Company Name - AT&T Inc.

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Chantilly, Virginia, 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. Our National Security Team supports the intelligence community by providing, operating, and assuring critical voice, v

Architecture Engineer (NE II) (Government)Job Title - Architecture Engineer (NE II) (Government)

AT&T Inc.Company Name - AT&T Inc.

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Centennial, Colorado, USA

Full-time