Systems Administrator
Prattwhitney
RTX, a leading aerospace and defense company, is seeking an IT Systems Administrator to support a DoD-program environment with Red Hat Linux and Windows infrastructure. You will manage server provisioning, storage, and cross-platform authentication, while coordinating with Cyber Security and Network Engineering teams. The role requires DoD security clearance eligibility, DoD 8140/8570 certifications within 6 months, and experience with VMware, AD, WSUS, and Linux/Windows administration. #J-18808-Ljbffr
Vacancy posted 3 days ago
Similar jobs that could be interesting for youBased on the Systems Administrator in Mckinney, TX vacancy
$68.9k - $131.1k
...creating a safer, more secure world. Join us and help shape the future of aerospace and defense.What You Will Do:Provide IT systems administration in a heterogeneous RedHat Enterprise/Microsoft Windows and environment.Participate in all phases of Engineering software...SuggestedTemporary workWork experience placementWork at officeRemote workFlexible hours- ...Our core competencies include systems engineering, program management, logistics, production support, aircraft maintenance, and aviation/aerospace services. We were founded in 2015 and since our establishment, we have been attracting the best talent in our fields of interest...SuggestedImmediate start
Polluxa, Inc.
Mckinney, TX2 days ago - ...Raytheon seeks an IT Systems Administrator to provision, operate, and maintain Linux/Windows infrastructure for classified programs at our McKinney site. The role requires collaboration with cybersecurity, network engineering, and program stakeholders and involves support...Suggested
Raytheon
Mckinney, TX3 days ago $68.9k - $131.1k
...IT Systems AdministratorAt RTX, the world's largest aerospace and defense company, 185,000 great minds are united by purpose and... ...of aerospace and defense.What You Will Do:Provide IT systems administration in a heterogeneous RedHat Enterprise/Microsoft Windows and environment...SuggestedFull timeTemporary workWork experience placementFlexible hoursRaytheon
Mckinney, TX5 days ago- ...RTX, a leading aerospace and defense company, is seeking an IT Systems Administrator to support a DoD-program environment with Red Hat Linux and Windows infrastructure. You will manage server provisioning, storage, and cross-platform authentication, while coordinating...Suggested
Prattwhitney
Mckinney, TX2 days ago $86.8k - $165.2k
Job Title Principal System Administrator (Principal Analyst, Information Workplace Services) Location US-TX-MCKINNEY-513WC, 2501 W University Dr, Wing C BLDG, McKinney, TX Security Clearance U.S. Citizenship required. Ability to obtain and maintain a DoD Secret clearance...Temporary workCasual workFlexible hours$68.9k - $131.1k
...aggression, creating a safer, more secure world. Join us and help shape the future of aerospace and defense.What You Will Do:As a System Administrator, you will play a critical role in managing and maintaining a dynamic and heterogeneous Red Hat Enterprise Linux environment...Temporary workWork experience placementWork at officeRemote workFlexible hours$68.9k - $131.1k
...System Administrator At RTX, the world's largest aerospace and defense company, 185,000 great minds are united by purpose and inspired to make a difference solving the world's most complex problems. With our three market leading businesses, world-class operations and...Temporary workWork experience placementFlexible hoursRaytheon
Mckinney, TX5 days ago- RTX is seeking a Senior Systems Administrator for a 100% onsite role in McKinney, Texas. The position requires an active secret clearance and US citizenship, with eligibility to access classified programs. You will deliver IT systems administration across Windows and Linux...
$86.8k - $165.2k
Join to apply for the Principal System Administrator role at Raytheon . Location: TX190: 2501 West University, McKinney, TX, 75070 USA Date Posted: 2026-01-08 What You Will Do Provide IT systems administration in a heterogeneous Microsoft Windows and Redhat Enterprise...Temporary workWork experience placementRelocationFlexible hours$86.8k - $165.2k
...tomorrow’s threat. Our team solves tough, meaningful problems that create a safer, more secure world. What You Will Do Provide IT systems administration in a heterogeneous RedHat Enterprise/Microsoft Windows environment. Lead and coordinate the RedHat Installation and...Full timeTemporary workWork experience placementWorldwideFlexible hours$86.8k - $165.2k
A leading defense contractor in McKinney, TX, is seeking a Principal System Administrator to manage IT systems in a mixed environment. Candidates should have extensive experience with Windows and Linux systems, along with a transferable U.S. government secret clearance...For contractors- RTX in McKinney, TX is seeking a Senior Systems Administrator for a 100% onsite role requiring an active Secret clearance. The candidate will administer Windows and Red Hat Linux systems, support cybersecurity requirements, and collaborate with program teams on computing...Relocation
$68.9k - $131.1k
Senior Systems Administrator, 100% onsite, McKinney, Texas, must have active secret clearance McKinney, Texas, United States Aug 25, 2026 $68,900 - $131,100/year Date Posted: 2026-08-25 Country: United States of America Location: US-TX-MCKINNEY-513WD ~ 2501 W University...Temporary workWork experience placementWork at officeRemote workRelocationFlexible hours$86.8k - $165.2k
Raytheon in McKinney, Texas is looking for a Principal System Administrator to utilize your expertise in system & service integration and security standards. The ideal candidate will have a minimum of 5 years of relevant experience or an advanced degree with 3+ years in...Flexible hours- RTX is seeking an IT Systems Administrator in McKinney, TX to provide administration for a mixed Red Hat Enterprise Linux and Windows environment. Responsibilities include leading Red Hat installation, software support, and collaborating with cybersecurity teams on security...
$30 - $33 per hour
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GBIT Inc
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Aimbridge Hospitality
Plano, TX2 days ago - ...aggression, creating a safer, more secure world. Join us and help shape the future of aerospace and defense. Sr. Principal Linux Systems Administrator, in Infrastructure Workplace Services, will lead and collaborate with a diverse team to support fast-paced, critical...Full timeTemporary workWork at officeRemote workFlexible hours
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Transcend Solutions, LLC
Plano, TX2 days ago $107.5k - $204.5k
...aggression, creating a safer, more secure world. Join us and help shape the future of aerospace and defense.Sr. Principal Linux Systems Administrator, in Infrastructure Workplace Services, will lead and collaborate with a diverse team to support fast-paced, critical...Full timeTemporary workWork experience placementWork at officeRemote workFlexible hours- TITLE: IT Strategy and Systems Administrator POSITION TYPE: Full Time LOCATION: Frisco, TX (Onsite) ABOUT WorldLink: WorldLink is a rapidly growing information technology company at the forefront of tech transformation. From custom software development to cloud hosting,...Full time
- Overview This position is responsible for the administration, maintenance, and support of the organization's server, directory, and cloud... ...This role ensures secure, reliable, and efficient operation of systems supporting business applications and end users, with a strong...Full timeWork at office
- ...Job Description SAGE Integration Holdings LLC Job Description Effective Date: Jan 2026 Supersedes: June 2020 Job Title: Systems Engineer Job Type: Full Time Job Summary: Sage Integration Holdings, LLC protects...Full timeNight shift
SAGE INTEGRATION HOLDING S LLC
Mckinney, TX2 days ago - ...Job Description Job Description JOB SUMMARY The Systems Engineer serves as a technical lead for projects associated with Linux... ...Root Cause Analysis (RCA) on outages. Performs complex administrative tasks building and supporting Linux-based systems, VMware vSphere...Work experience placementWork at officeHome officeFlexible hoursShift workNight shift
LEARN: Lonestar Education and Research Network
Mckinney, TX24 days ago $68.9k - $131.1k
...Do:Work within a cross‑functional team and interface with customers and program leadershipCreate and decompose requirements, define system interfaces, and determine verification and validation methodsSupport system performance analysis, integration, and test...Temporary workWork experience placementWork at officeRemote workRelocation packageFlexible hours- Benefit Harbor is a leading provider of benefits administration technology and compliance solutions, trusted by employers across the United... ...Support Administrator Summary/Objective As a member of the System Administration team, the ERP System Administrator focuses primarily...Full timeWork at officeRemote workHome officeMonday to FridayAfternoon shift
$68.9k - $131.1k
...aggression, creating a safer, more secure world. Join us and help shape the future of aerospace and defense.Raytheon is seeking a Systems Engineer II - Anti-Tamper / Program Protection (P2) to join our elite Systems Security Engineering (SSE) team within the Systems Engineering...Temporary workWork experience placementWork at officeRemote workRelocation packageFlexible hours
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