Senior Linux & Windows SysAdmin - Onsite
Raytheon
Raytheon is seeking a Principal Specialist for Linux & Windows Systems Administration in Plano, TX. The successful candidate will be responsible for IT systems administration across both Microsoft Windows and Linux environments, ensuring integration and security requirements are met. This is a full-time, onsite position requiring an active Top Secret security clearance and a strong background in both Linux and Windows server administration. Applicants should have a minimum of 5 years of experience in related fields and experience with virtualization technologies. Raytheon offers a competitive salary range and various benefits. #J-18808-Ljbffr Raytheon
- Senior Principal Engineer, Infrastructure Platform Architect Platform Engineering group... ...programs. Location Plano, Texas (Onsite). Relocation offered based on eligibility... ...integrating infrastructure platform services on Linux and Windows operating systems. Experience with...SeniorWindowsRelocation
$86.8k - $165.2k
Linux & Windows Systems Administrator, Principal Specialist Location: US‑TX‑PLANO‑465 - 465 Independence Pkwy, Independence Date Posted:... ...6-08 Country: United States of America Position Role Type: Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirements...WindowsFull timeTemporary workWork experience placementRelocationFlexible hours- ...Principal Specialist P3 Systems Administrator in Plano, TX. This role involves IT systems administration primarily in a Microsoft Windows and Linux environment, security management, and advanced user support. Qualified candidates will have a university degree and extensive...SeniorWindowsFlexible hours
- Raytheon in Plano, TX is looking for a Principal Specialist Systems Administrator (Windows). This role demands active Top Secret clearance and is focused on delivering IT systems administration across diverse environments while ensuring system availability. The ideal candidate...SeniorWindows
$107.5k - $204.5k
...defense. We are seeking an experienced Senior System Administrator that will be... ...platform and multi‑disciplined Microsoft Windows and RedHat Enterprise Linux environment. The candidate is... ...programs. This role is a full time 100% Onsite position. **This is onsite position...SeniorWindowsFull timeWork experience placement- ...Collins Aerospace is seeking a Senior System Administrator in McKinney, Texas. This full-time position involves managing systems and supporting classified programs within a multi-platform environment. The ideal candidate will have a University Degree, significant experience...SeniorWindowsFull time
$86.8k - $165.2k
...Pkwy ~ INDEPENDENCE Position Role Type: Onsite U.S. Citizen, U.S. Person, or... ...world. Raytheon has an opportunity for a Senior Platform Engineer with well-rounded Infrastructure... ...and/or Ansible Experience with Linux/Windows Operating Systems and Virtualization technologies...SeniorWindowsFull timeTemporary workWork at officeRemote workWorldwideRelocationFlexible hours$86.8k - $165.2k
...Posted 2026-05-19 Position Systems Administrator (Windows), Principal Specialist P3 - Location: Plano, TX (Onsite) U.S. citizenship required. Active, transferable Top... ...Microsoft Windows and RedHat Enterprise Linux environment. Manage Windows Server fundamentals including...WindowsTemporary workFlexible hours- ...IntegraMSP is looking for a Senior Sysadmin who thrives on complex escalations, leads infrastructure... ...365, Entra ID, Azure (IaaS/PaaS), Windows Server, Active Directory, SharePoint,... ...Hybrid: remote, in-office, and client onsite across DFW. ~ Certification and training...SeniorWindowsWork at officeRemote work
- ...a dynamic environment. This role requires expertise in networking, Linux, and Windows Server, along with strong troubleshooting skills. Located in Allen, Texas, candidates must be willing to work onsite. This is a 6-month contract position with potential for extension....WindowsContract workWeekday work
- Senior Software Quality Assurance Engineer - Richardson, Texas (Onsite) Collins Aerospace, an RTX company, is looking for an experienced Software QA Engineer to... ...Kubernetes and containerization. Proficiency in Unix/Linux and Windows operating systems. Strong knowledge of data...Windows
- ...requires 2 to 3+ years of experience and expertise in networking, Linux, and troubleshooting to provide high-level technical support.... ...support calls, and collaborating with product teams. The position is onsite and is a 6-month contract with potential for extension....Contract workWeekday work
$86.8k - $165.2k
Job Summary Senior Platform Engineer at RTX - a leading aerospace and defense company... ...automation technologies. Location Plano, TX - onsite. Applicants must be in the area or be... ...and/or Ansible. Experience with Linux and Windows operating systems and virtualization technologies...SeniorWindowsTemporary workRelocationRelocation packageFlexible hours- ...perform desktop configurations, provide customer service, and offer technology audits in McKinney, Texas. The role entails onsite solutions for both Windows and Apple systems, alongside networking tasks. Ideal candidates will have 2-5 years of experience with hardware and...Windows
- ...telecommunications company is seeking a Systems & Applications Administrator to manage and optimize its hybrid infrastructure across Linux, Windows, virtualization, and containerized environments. This role requires strong skills in Linux and Windows administration, along...SeniorWindows
- Prattwhitney is looking for a Senior Principal Engineer in Plano, Texas, to architect and maintain enterprise infrastructure platforms... ...requires extensive engineering experience, particularly with Linux and Windows operating systems. The ideal candidate will lead cross-...SeniorWindowsRelocation package
$78.04 - $86.04 per hour
...Senior Ci/Cd Automation Engineer - Hybrid Genesis10 is currently seeking a Senior CI/... ...traditional VM-based environments (RHEL/Windows). The position also contributes to the development... ...of a minimum of 3 days per week onsite Desired Skills: Automation-first...SeniorWindowsHourly payContract work3 days per week- A global wireless solutions provider is hiring a Senior Lab Manager in Plano, TX. This role involves managing Airspan's advanced... ...Bachelor's degree with 5+ years of experience in IP networks, Windows, and Linux administration. Candidates should be able to work cross-functionally...SeniorWindows
- ...while collaborating with IT teams in a fast-paced FinTech environment. Ideal candidates will possess strong knowledge of Windows OS, RedHat Linux, SQL/Oracle, and relevant technologies, ensuring business continuity and meeting SLAs in a dynamic operational environment...SeniorWindows
- ...Raise The Bar! Job Description The Senior IT Support Manager delivers fast,... ..., and critical business events Manage onsite and remote desktop support across corporate... ...Strong proficiency supporting Mac/Apple and Windows devices, with a strong emphasis on...SeniorWindowsRemote work
$140k - $200k
Clutch Canada is looking for a skilled Windows Desktop Application Developer to lead the design and architecture of native applications. You will define best practices, collaborate with cross-functional teams, and drive efforts in accessibility, ensuring products are user...SeniorWindowsRemote job- Photronics is looking for a Windows Systems Administrator in Allen, TX to manage the Windows platform while supporting global infrastructure. This role demands expertise in Windows Server, Active Directory, and Microsoft Azure, ensuring secure operations across multiple...SeniorWindows
- Are you a skilled and organized Senior System Administrator looking to make an impact?... ...Position Highlights Location : Plano, TX (onsite work at a datacenter as needed)... ...Java scripting. Proficient in server OS (Windows & Linux) administration, with hands‑on experience...SeniorWindowsContract work
$86.8k - $165.2k
...Electronics Design Department, Raytheon. Location: Plano, TX (onsite). Eligibility: U.S. Citizen with Active Secret DoD Clearance. The... ...switch configurations. Operate and troubleshoot within the Windows operating system environment. Review and approve software-related...SeniorWindowsTemporary workFlexible hours$86.8k - $165.2k
...Cityline Dr ~ CITYLINE C17 Position Role Type: Onsite U.S. Citizen, U.S. Person, or Immigration... ...more secure world. Raytheon is hiring a Senior Database Engineer to support our teams in... ...databases. Experience using Linux command line to perform database administration...SeniorRelocation packageFlexible hours- ...timely IT ticket resolution. The ideal candidate should have 3+ years of experience in a corporate IT support role with proficiency in Windows 11 and Office 365. The company offers a supportive environment with comprehensive benefits and a vibrant office culture. #J-18808-...WindowsWork at office
- ...proficiency in Splunk's search head and indexer clustering and requires experience in shell scripting and system administration on both Linux and Windows platforms. The ideal candidate will also have some knowledge of programming languages like Java and Python. This is an...SeniorWindowsFull time
$132.4k - $251.6k
...Location Richardson, TX (on-site) or Cedar Rapids, IA (on-site) Position Senior Principal Systems Engineer – Strategic Defense Solutions (SDS) – Onsite What You’ll Do Lead systems engineering activities across the full development lifecycle for complex aerospace and defense...SeniorRelocation package$86.8k - $165.2k
...reviews Opportunity to travel for customer collaboration This job is onsite in Plano, TX; applicants must be in the area or willing to... ...or closely related software languages. Development experience on Linux‑based systems. Active and transferable Secret U.S. government issued...SeniorTemporary workRelocationFlexible hours$323.28 per day
...(preferred) Experience Five years of hands on experience with SQL Server as a database administrator Five years of experience with Windows Server administration, tuning and troubleshooting Five years of experience with SQL Server backup/restore, schedulers, etc. Five years...SeniorWindows
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