Windows/Linux System Administrator Jobs

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Sr. Software Engineer-Automated Test Framework TS/SCI Poly

Leidos

Maryland, USA

Full-time

Description Leidos has a new and exciting opportunity for an Automated Test Framework 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% c

Senior Lead Engineer, Software

Celestica

Richardson, Texas, USA

Full-time

Job DescriptionThe Senior Lead Engineer, Software will support in managing and administering the lab environments on the Richardson site. The engineer will also support in managing the VMs as well as resolving VM issues in a timely manner. They will leverage their proficiency in administering network devices, automating infrastructure provisioning, and developing scripts for system administration and automated builds to ensure efficient and reliable lab operations. Detailed Description Perform t

Desktop Support Technician

TEKsystems c/o Allegis Group

Waukesha, Wisconsin, USA

Full-time

Desktop Support Technician (Part-Time) Location: Onsite in the Waukesha, WI area Schedule: Flexible part-time (choose between 4 hrs/day, 5 days/week or 8 hrs/day, 2 days/week) Hours: Must fall within Monday-Friday, 8 AM-5 PM Travel: 2 weeks of paid training in Indianapolis About the Role Join a collaborative support team where you'll play a key role in resolving overflow technical issues and ensuring smooth day-to-day operations for end users. You'll work closely with a team of experienced te

Systems Engineer

Robert Half

Mequon, Wisconsin, USA

Full-time

Description Robert Half is currently seeking a Systems Engineer with Data Center experience for our client near Mequon, WI. While the position will require regular onsite work, the company offers some flexibility in scheduling to support work-life balance. This organization services a diverse, worldwide customer base and specializes in delivering advanced application and data processing solutions. This is a Direct/Permanent Hire role. Responsibilities for this role include: Performing hardware

Senior Android Vulnerability Research Engineer and Developer

Booz Allen Hamilton

Quantico, Virginia, USA

Full-time

Job Number: R0221762 Android Vulnerability Research Engineer and Developer, Senior Key Role: Conduct research and analysis to identify vulnerabilities and potential threat vectors into systems and networks, develop computer network operations ( CNO) and computer network exploitation (CNE) exploits, enable capabilities, and engineer attack methodologies. Apply leading-edge principles, theories, and technologies and contribute to the development of new cyber operations concepts and tradecraft. Wo

Senior iOS Vulnerability Research Engineer and Developer

Booz Allen Hamilton

Quantico, Virginia, USA

Full-time

Job Number: R0221763 iOS Vulnerability Research Engineer and Developer, Senior Key Role: Conduct research and analysis to identify vulnerabilities and potential threat vectors into systems and networks, develop computer network operations (CNO) and computer network exploitation (CNE) exploits, enable capabilities, and engineer attack methodologies. Apply leading-edge principles, theories, and technologies and contribute to the development of new cyber operations concepts and tradecraft. Work on

System Services Manager

SPECTRAFORCE TECHNOLOGIES Inc.

Milwaukee, Wisconsin, USA

Contract

Systems Services Manager Milwaukee, WI (Hybrid - 3 days in the office per week) Contract to hire Position Purpose: The Systems Services Manager leads the team responsible for all system services for client. They are responsible for the design, implementation, management, support, and continual improvement of Windows Servers, Linux Servers, DNS, DHCP, Storage, Active Directory, Virtualization, Backup, Restoration, Cloud environments, and related services. The Systems Manager also leads the Opera

Help Desk Engineer

SAIC

Princeton, New Jersey, USA

Full-time

Job ID: 2507291 Location: PRINCETON, NJ, US Date Posted: 2025-07-10 Category: Customer Support Subcategory: Call Center Support Schedule: Full-time Shift: Night Job Travel: No Minimum Clearance Required: None Clearance Level Must Be Able to Obtain: Public Trust Potential for Remote Work: No Description SAIC is seeking a Help Desk Technician resource to support a 24x7 data center and its users at a customer site in Princeton, NJ. The candidate will help manage the operation of the supe

Infrastructure Engineer

TEKsystems c/o Allegis Group

Southfield, Michigan, USA

Full-time

TEKsystems has a client that is looking for an Infrastructure Engineer to help with a 12 month engagement. The role is open due to a recent acquisition of another company and some of the other Infrastructure Engineers are helping to build out an AI framework that is taking up about 50% of their day. This Infrastructure Engineer will be helping with day to day tasks, but could also help with the migration to Azure. Currently, they are using standard Azure owned migration tools. We are seeking a

Senior SQL Database Administrator

Dew Softech Inc

New York, New York, USA

Full-time, Part-time, Third Party, Contract

Database Administrator Location: New York, NY (Hybrid) Duration: 12 month with possible extension Job Description: We are looking for a Senior SQL Database Administrator for a 12-month+ contract opportunity that is hybrid in New York, NY. The ideal candidate will provide services to build and maintain MS SQL-Servers, SSIS, SSAS with the latest version. What You'll Do: SME (L3 or above only) DBA consultant with ten plus years of experience will provide enterprise services to build, maintain MS

Senior Vulnerability Researcher

Booz Allen Hamilton

Fort Meade, Maryland, USA

Full-time

Job Number: R0221503 Vulnerability Researcher, Senior Key Role: Conduct research and analysis to identify vulnerabilities and potential threat vectors into systems and networks, develop CNO and CNE exploits, enable capabilities, and engineer attack methodologies. Apply leading-edge principles, theories, and technologies and contribute to the development of new cyber operations concepts and tradecraft. Work on unusually complex national security problems and provide highly innovative solutions.

Senior Security Engineer

Compunnel Inc.

Charlotte, North Carolina, USA

Contract

; Job Summary: The Senior Security Engineer will support both Linux and Windows environments from an OS standpoint, with a focus on Dell PowerMax and PowerScale storage systems. The individual will be responsible for provisioning, patching, maintaining, and monitoring storage to ensure capacity and security compliance. This role also includes maintaining Taniuma real-time endpoint visibility and control platformto ensure vulnerability remediation and system patching. ; ; Job Responsibilities:

Splunk Consulting Engineer

Kforce Technology Staffing

Milpitas, California, USA

Contract

RESPONSIBILITIES: Kforce is immediately seeking an experience Splunk Consulting Engineer in support of our enterprise networking and cloud solutions client in Milpitas, CA. Project requirements: * Splunk Consulting Engineer will assist in migration of the security/observability logging solution in Webex Contact Center Enterprise (WxCCE) production environment from Exabeam to Splunk Cloud Enterprise Security Secure Information Event Management (SIEM) system * Lead and/or assist with deployment o

Modeling and Simulation Engineer

Parsons Services Company

Colorado, 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 looking for an amazingly talented Modeling and Simulation Engineer to joi

Senior Software Cloud Developer

Qualcomm Technologies

San Diego, California, USA

Full-time

Company: Qualcomm Technologies, Inc. Job Area: Engineering Group, Engineering Group > Software Engineering General Summary: This individual independently plans, performs the moderately-defined responsibility for the design, development and support of tools used to test mobile phone, base station and display products that are leveraged by both internal and external customers. Works on the development and support in .NET 4.0, C#, WPF, ASP .Net MVC3, Xml and SQL 2008/2012 for both windows forms

Information Security Analyst I

Kratos Defense and Security Solutions, Inc.

San Diego, California, USA

Full-time

Job Description Kratos is looking for an Information Security Analyst in the San Diego, CA area to work remote. Kratos Defense & Security Solutions, Inc. (NASDAQ:KTOS) develops and fields transformative, affordable technology, platforms, and systems for United States National Security related customers, allies, and commercial enterprises. At Kratos, we encourage an entrepreneurial spirit balanced with discipline. We work hard, and take care of our customers, employees and families. Recognized

Senior CyberArk Engineer

Adva IT Services, Inc..

Mexico City, Mexico City, Mexico

Contract

Senior CyberArk Engineer with a strong background in designing and implementing CyberArk PAM and Secrets Management Solutions. Design and implement CyberArk PAM Architecture, including Vault, PVWA, CPM, and PSM ensuring scalability, resilience, and secure access for privileged users across platforms.Architect and Engineer CyberArk Secrets Manager solutions, including Conjur and Secrets Hub, and integrate them with CI/CD pipelines, containerized platforms, and cloud native applications.Establish

Enterprise Server Lead

NuAxis LLC

Washington, District of Columbia, USA

Full-time

We are a federal IT company on a mission to make customer experience (CX) the center of every government solution. Technology is our Passion. People are our Purpose. We know tech, but we love people. NuAxis is home to thinkers and feelers, engineers and artists. We work hard and support each other along the way. Teamwork is more than just a buzzword for us, it's a state of mind. We believe happy employees do amazing work, so join our team NOW! We are currently seeking a talented and motivated E

System Software Engineer - GPU and SOC

NVIDIA Corporation

Santa Clara, California, USA

Full-time

NVIDIA is searching for a highly motivated, creative engineer to join the GPU Software team. As a GPU/SOC system software engineer, you will work with a team of very talented software and hardware engineers involving a wide variety of technologies. As someone who is hardworking and passionate about their work, you will craft and debug key aspects of our production GPU and SOC kernel drivers and embedded SW, focusing on platform performance, power savings, and robustness. You should demonstrate t

System Engineer II

TEKsystems c/o Allegis Group

Honolulu, Hawaii, USA

Full-time

Aloha! One of Hawaii's largest healthcare companies is seeking a System Engineer to add to their Server team. The ideal candidate would have enterprise back up administration experience, VMware, and Linux. Preferred tools for backup experience would include Veritas NetBackup, Veeam, Commvault, Cohesity, etc.) **This client is a hospital organization so the candidate will need to be vaccinated, pass 2 step TB test, and 10-panel drug test. JOB SUMMARY/RESPONSIBILITIES: Provides infrastructure supp