windows linux systems administrator - ts/sci with polygraph Jobs

221 - 240 of 747 Jobs

System Administrator IIJob Title - System Administrator II

General DynamicsCompany Name - General Dynamics

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Annapolis, Maryland, 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: Systems Administration Job Qualifications: Skills: Communication, Information Systems, Operating Systems (OS), System Security, Systems Software Certifications: None Experience: 4 + years of related experience ship Required: Yes Job Description: #ITPolyMD Provide support for implemen

Cybersecurity EngineerJob Title - Cybersecurity Engineer

LeidosCompany Name - Leidos

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Tewksbury, Massachusetts, USA

Full-time

Leidos Security Enterprise Solutions (SES) is seeking a highly skilled Cybersecurity Engineer to work onsite at our Security Enterprise Solutions (SES) facility in Tewksbury, MA. This role offers the chance to make a significant impact on aviation security while advancing your career. We're looking for someone with: Self-starting individual with the right attitude, aptitude to identify, take ownership of and solve challenging problemsInterest in continual learning and development of the team an

LINUX Sr Principal Systems Engineer - Active Top Secret RequiredJob Title - LINUX Sr Principal Systems Engineer - Active Top Secret Required

General DynamicsCompany Name - General Dynamics

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Washington, District of Columbia, USA

Full-time

Type of Requisition: Regular Clearance Level Must Currently Possess: Top Secret Clearance Level Must Be Able to Obtain: Top Secret/SCI Public Trust/Other Required: None Job Family: Systems Engineering Job Qualifications: Skills: Computer Engineering, Linux, Red Hat Enterprise Linux (RHEL) Certifications: None Experience: 10 + years of related experience ship Required: Yes Job Description: Job Description Senior Principal Systems Engineer - Linux Design, deploy, integrate and maintain Li

Senior Infrastructure Engineer / Hybrid / Austin, TXJob Title - Senior Infrastructure Engineer / Hybrid / Austin, TX

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

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Austin, Texas, USA

Full-time

This is a full-time, hybrid opportunity in Austin, TX to join a fast-paced infrastructure team supporting hybrid environments and large-scale cloud migration initiatives. You'll work across AWS and Azure while managing Fortinet-based on-prem infrastructure. The team is looking for an engineer with deep networking roots who has successfully transitioned into cloud infrastructure and can lead efforts across both traditional and modern systems. As a Cloud Infrastructure Engineer, you'll be responsi

Field Service Engineer IJob Title - Field Service Engineer I

Scientific Research CorporationCompany Name - Scientific Research Corporation

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Charleston, South Carolina, USA

Full-time

Description Acting as a CSRR Subject Matter Expert (SME) Providing technical support of the Common Submarine Radio Room (CSRR) and components Testing, troubleshooting, removing, rebuilding and/or replacing, re-installing and re-testing Submarine Communication Systems and equipment to include hardware, cabling, and software Providing support during Pre-Installation Test and Checkout (PITCO) and System Operational and Verification Testing (SOVT) to include a complete end-to-end test of the radio

Senior Systems Administrator (Endpoint Technology)Job Title - Senior Systems Administrator (Endpoint Technology)

GarminCompany Name - Garmin

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Olathe, Kansas, USA

Full-time

Overview We are seeking a full-time Senior Systems Administrator in our Olathe, KS location. In this role, you will be responsible for overseeing and administering endpoint technologies associated with managing, patching and securing Windows, Mac and Linux endpoints across the enterprise. Serves as escalation point for problems and issues which are not resolved by first tier support personnel. Shares knowledge and mentors other IT associates. Essential Functions Designs and develops complex, in

Systems AdministratorJob Title - Systems Administrator

IES Holdings, Inc.Company Name - IES Holdings, Inc.

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Tempe, Arizona, USA

Full-time

Must have - Microsoft Azure, On-Prem Security, and PowerShell Scripting Job Summary: Under the direction of the IT Manager, the IT Administrator will be responsible for a Windows domain, multiple network, multi-location infrastructure management and operations. Duties will also include maintaining servers, workstations, and provide help desk support to end users. Job Duties and Responsibilities: Set up and maintain basic network operations, including assembly of network hardware and provide as

Junior Cybersecurity Systems AdministratorJob Title - Junior Cybersecurity Systems Administrator

SAICCompany Name - SAIC

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Kirtland Air Force Base, New Mexico, USA

Full-time

Job ID: 2508280 Location: KIRTLAND AFB, NM, US Date Posted: 2025-08-08 Category: Information Technology Subcategory: Sys Administrator Schedule: Full-time Shift: Day Job Travel: Yes, 10 % of the Time Minimum Clearance Required: Top Secret Clearance Level Must Be Able to Obtain: TS/SCI Potential for Remote Work: No Description SAIC is seeking Junior Cybersecurity Systems Administrator eager to work with our cybersecurity subject matter experts on site at Kirtland AFB in Albuquerque, N

Modernization Cyber Systems Administrator - SA1Job Title - Modernization Cyber Systems Administrator - SA1

Lockheed Martin CorporationCompany Name - Lockheed Martin Corporation

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Maryland, USA

Full-time

Job Description Who You Are: Here, you are going to provide life-cycle services to advance mission in support of Cybersecurity and SIGINT midpoint collection. You will modernize and sustain capabilities to include providing new features and enhancements to Front End Solutions systems. This will allow for products to work at-scale with processing of target communications across multiple types of Midpoint accesses. You will propel the customer into the next phase of product suite modernization by

System Administrator IIJob Title - System Administrator II

General Dynamics Information TechnologyCompany Name - General Dynamics Information Technology

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Maryland, USA

Full-time

IT Technician - 1st shiftJob Title - IT Technician - 1st shift

BoschCompany Name - Bosch

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Lincolnton, North Carolina, USA

Full-time

Company Description Robert Bosch Tool Corporation is an outstanding company with excellent benefits. We are growing rapidly and need top-notch technicians to work on state-of-the-art equipment and controls. We are building a world-class team of technicians to be the best maintenance crew in this area. We believe in training and promoting from within as much as possible. We want motivated, energetic people who have a passion for excellence to join our team and grow to the limits of their capabil

Global Operations Level 2 Lead (25-287) E3 / COS-MJob Title - Global Operations Level 2 Lead (25-287) E3 / COS-M

Apex SystemsCompany Name - Apex Systems

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Colorado Springs, Colorado, USA

Full-time

Job#: 2076033 Job Description: Global Operations Level 2 Lead Top Secret/SCI IAT - Level II #cleared #clearance Our teams are committed to developing and delivering innovative solutions addressing our customers most complex challenges, including cyber-resilient mission systems, within an Agile work environment. This position will be the Level II Systems Lead for HTS and act as a liaison between operations and multiple teams to include integration, dev, and fielding. This position will report t

Systems EngineerJob Title - Systems Engineer

Balyasny Asset ManagementCompany Name - Balyasny Asset Management

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Chicago, Illinois, USA

Full-time

Overview: BAM is looking for a System Engineer to support BAM's global technology infrastructure. The ideal candidate will have a broad understanding of many aspects of infrastructure, including compute, storage, and networking, both on-premise and in the cloud. Infrastructure Engineers manage all aspects of the firm's technology infrastructure and works with business and technology teams to address infrastructure related requests and troubleshoot complex issues. As an Infrastructure Engineer at

Advanced Systems Administration Specialist & DevOps AdministratorJob Title - Advanced Systems Administration Specialist & DevOps Administrator

General DynamicsCompany Name - General Dynamics

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Dedham, Massachusetts, USA

Full-time

Basic Qualifications Bachelor's degree in Computer Science, a related field or equivalent experience is required plus a minimum of 5 years of relevant experience; or Master's degree plus 3 years of relevant experience. CLEARANCE REQUIREMENTS: Department of Defense Secret security clearance is required at time of hire. Applicants selected will be subject to a U.S. Government security investigation and must meet eligibility requirements for access to classified information. Due to the nature of w

Analyst II, Systems OperationsJob Title - Analyst II, Systems Operations

Intercontinental Exchange Holdings, Inc.Company Name - Intercontinental Exchange Holdings, Inc.

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Atlanta, Georgia, USA

Full-time

Overview Job Purpose Intercontinental Exchange, Inc. (ICE) presents an opportunity for a full-time Analyst II, Systems Operations to join our SRE Team, responsible for stability of the Mortgage Technology platform. DevOps promotes a culture of trust and risk-sharing between team members. It encourages teams to continuously experiment with the aim of improving the company's products and services. That way, both development and operations teams are enabled to research new customer needs and develo

Cloud EngineerJob Title - Cloud Engineer

GovCIOCompany Name - GovCIO

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Remote

Full-time

Overview GovCIO is currently hiring for a Hybrid Remote Cloud Administrator to configure, deploy, refine, and administer AWS-based resources using both Microsoft Windows and Red Hat Enterprise Linux. This position will be a Hybrid Remote position, location Hanover, MD. Responsibilities Configure, deploy, improve, and administer AWS-based resources. Build, install, configure, STIG, test and deploy AWS infrastructure and DevSecOps platform components as new requirements arise. Build, install,

System Administrator (SA2) with PolyJob Title - System Administrator (SA2) with Poly

Lockheed Martin CorporationCompany Name - Lockheed Martin Corporation

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Annapolis, Maryland, USA

Full-time

Job Description THE WORK This role involves comprehensive technical planning and execution across the full system lifecycle, including system integration, verification and validation, cost and risk analysis, and sustainment. Proficiency or exposure to Linux is a plus as many systems rely on Linux-based environments for development, deployment, and operational support. WHO WE ARE At Lockheed Martin, we're a leading aerospace and defense company that's shaping the future of cyber and intelligen

Engineer, Information Security Threat IntelligenceJob Title - Engineer, Information Security Threat Intelligence

Intercontinental Exchange Holdings, Inc.Company Name - Intercontinental Exchange Holdings, Inc.

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Atlanta, Georgia, USA

Full-time

Overview Job Purpose An IS Intelligence professional is part of a global team responsible for the ICE's Information Security program. This position requires technical proficiency as well as an eager attitude, professionalism, and solid communication skills. Responsibilities Assisting in the day-to-day maintenance and management of threat intelligence workflows, including vulnerability management, threat hunting, coordinating with incident response to provide contextual intelligence, and triaging

System AdministratorJob Title - System Administrator

NightwingCompany Name - Nightwing

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Remote or Sterling, Virginia, USA

Full-time

Nightwing provides technically advanced full-spectrum cyber, data operations, systems integration and intelligence mission support services to meet our customers' most demanding challenges. Our capabilities include cyber space operations, cyber defense and resiliency, vulnerability research, ubiquitous technical surveillance, data intelligence, lifecycle mission enablement, and software modernization. Nightwing brings disruptive technologies, agility, and competitive offerings to customers in th

Windows AdministratorJob Title - Windows Administrator

GovCIOCompany Name - GovCIO

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San Mateo, California, USA

Full-time

Overview GovCIO is currently hiring forWindows Administrator to support our customer, USPS' Network and Compute Technology (NCT) group. Network and Compute Technology (NCT) is responsible for the planning, development, implementation, and support of the USPS network and compute technology infrastructure. NCT enhances the postal network by implementing network segmentation, which divides the network into smaller parts to mitigate cybersecurity risks and improve performance. The NCT department m