senior it systems administrator Jobs

101 - 120 of 6,095 Jobs

Sr. Systems AdministratorJob Title - Sr. Systems Administrator

RTX CorporationCompany Name - RTX Corporation

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Tucson, Arizona, USA

Full-time

Date Posted: 2025-06-19 Country: United States of America Location: AZ888: RMS AP Bldg 928 1151 East Hermans Road Building 928, Tucson, AZ, 85706 USA Position Role Type: Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirements: Active and transferable U.S. government issued security clearance is required prior to start date.Security Clearance: DoD Clearance: Top Secret At Raytheon, the foundation of everything we do is rooted in our values and a higher calling - to help our nation

Senior IT System Administrator/System AnalystJob Title - Senior IT System Administrator/System Analyst

JacobsCompany Name - Jacobs

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Houston, Texas, USA

Full-time

Are you passionate about human space exploration, understanding the origins of the universe, and working with a passionate and diverse team to make a difference? If you are, we need you! We need your talent, teamwork, and energy to help us achieve great things that inspire people all over the globe. We need you to bring creative ideas and diverse backgrounds to help us envision, shape, and deliver systems that will enable the exploration of space while benefiting people here on Earth. We are exc

Senior IT Systems Solution Architect IV (System Architect)Job Title - Senior IT Systems Solution Architect IV (System Architect)

General DynamicsCompany Name - General Dynamics

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Remote

Full-time

Type of Requisition: Regular Clearance Level Must Currently Possess: Secret Clearance Level Must Be Able to Obtain: Secret Public Trust/Other Required: None Job Family: Systems Engineering Job Qualifications: Skills: Architecture Principles, Complex Systems, Complex Systems Design Certifications: None Experience: 10 + years of related experience ship Required: Yes Job Description: GDIT is the leading systems integrator in the Zero Trust Defense sector market-developing and delivering inn

Systems AdministratorJob Title - Systems Administrator

Robert HalfCompany Name - Robert Half

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Franklin, Wisconsin, USA

Full-time

Description We are looking for a Senior Systems Administrator to join our team in Franklin, Wisconsin. This Contract-to-Permanent position offers an exciting opportunity to manage and optimize IT infrastructure, including both cloud and on-premises systems. The ideal candidate will bring extensive expertise in enterprise environments, a strong focus on automation, and a commitment to ensuring security and scalability. Responsibilities: Design, implement, and maintain IT infrastructure, includin

Junior Systems Administrator/onsiteJob Title - Junior Systems Administrator/onsite

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

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Trenton, New Jersey, USA

Full-time

A rapidly growing company in Central NJ is looking to bring on a Junior Systems Administrator to join their IT operations team. This is a full-time opportunity ideal for candidates looking to develop their infrastructure skills while working with a broad range of technologies including Windows, MacOS, Microsoft 365, and endpoint management tools like Intune. Looking to grow your IT career in a supportive environment? This is the perfect entry point for someone who's eager to learn and get hands-

Systems Engineer - Information Technology SeniorJob Title - Systems Engineer - Information Technology Senior

Lockheed Martin CorporationCompany Name - Lockheed Martin Corporation

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Orlando, Florida, USA

Full-time

Job Description WHAT WE'RE DOING Rotary and Mission Systems' Training, Logistics and Simulation (TLS) business is Lockheed Martin's center of excellence for training and logistics products and services, serving the U.S. military and more than 65 international customers around the world. Based in Orlando, TLS develops programs that teach service men and women skills to accomplish their most challenging missions - flying the world's most advanced fighter aircraft, navigating ships and driving ar

Senior Systems Administrator (Windows/Linux)Job Title - Senior Systems Administrator (Windows/Linux)

American Systems CorporationCompany Name - American Systems Corporation

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Washington, District of Columbia, USA

Full-time

Overview AMERICAN SYSTEMS is an employee-owned federal government contractor supporting national priority programs through our strategic solutions in the areas of Information Technology, Test & Evaluation, Program Mission Support, Engineering & Analysis, and Training. THIS POSITION INCLUDES A $5,000 SIGN-ON BONUS! Responsibilities As a Senior Systems Administrator, you will: Support on-premises Windows and Linux infrastructure and applications.Provide Tier II support for production and devel

Sr. ERP and CRM Systems AdministratorJob Title - Sr. ERP and CRM Systems Administrator

EclaroCompany Name - Eclaro

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Remote

Contract

ECLARO is a company that delivers talent. We provide fully customizable, comprehensive talent acquisition and management of seasoned professionals through a number of business models, including: Consulting, Professional Hire, Global Integrated Delivery and Managed Services. Kindly email with a Word resume along with the position ID number, your hourly rate and availability. This is Homer Ballega. I am a Recruiter with ECLARO. We are first tier suppliers of technical services to several Fortune 5

Senior Systems Administrator-Web SystemsJob Title - Senior Systems Administrator-Web Systems

Penske Truck LeasingCompany Name - Penske Truck Leasing

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Reading, Pennsylvania, USA

Full-time

You may know Penske for our big yellow trucks. But did you know we're an industry-leading technology innovation company? At Penske we have a 50-year history of leading the transportation and supply-chain industry, delivering world-class and award-winning technology solutions. And, it starts with our associates. No matter what your skills or technology stack, our IT team is for you. You'll work and grow alongside great people and on really cool projects. We inspire our IT experts to push the boun

Systems AdministratorJob Title - Systems Administrator

InterSources Inc.Company Name - InterSources Inc.

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The Bronx, New York, USA

Full-time, Contract

Title: Systems Administrator Location: Bronx, NY 10451 Duration: 24-month contract Position Job Description Under the general supervision of the Senior Manager for Systems Administration and the CIO for IT, the selected candidate will play a crucial role in maintaining and optimizing the college's IT infrastructure. This position requires technical expertise, independent problem-solving skills, and the ability to ensure the seamless operation of our systems. Key Responsibilities Maintain and sup

Senior Systems AdministratorJob Title - Senior Systems Administrator

Decisionpoint CorporationCompany Name - Decisionpoint Corporation

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Elizabeth City, North Carolina, USA

Full-time

Overview DecisionPoint Corporation is seeking a Senior Systems Administrator to join our team on an upcoming contract to support the Unites States Coast Guard USCG) Aviation Logistics Center (ALC) Information Systems Division (ISD) in Elizabeth City, North Carolina. The USCG ALC ISD provides development, security, and operations (DevSecOps) IT support for products and services for the Coast Guard Information Officer (CIO), Commandant, and Coast Guard Cyber Command through a geo-dispersed workfor

Senior Systems Engineer, IT InfrastructureJob Title - Senior Systems Engineer, IT Infrastructure

tax.comCompany Name - tax.com

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Remote or Manila, Metro Manila, Philippines

Full-time

Why Ryan? Flexible Work EnvironmentAward-Winning CultureWorld-Class Benefits and CompensationAccelerated Career PathCommunity OutreachMentorship OpportunitiesWellness-Centric Benefits The Senior Systems Engineer demonstrates superb technical competency and time management skills to deliver mission-critical infrastructure and ensure the highest levels of availability, performance, and security. Duties and Responsibilities: People: Act as a technical reference for staff on existing and upcoming

Systems Administrator (IT Program Services)Job Title - Systems Administrator (IT Program Services)

NightwingCompany Name - Nightwing

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Annapolis, Maryland, 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

Systems Administrator 3-HybridJob Title - Systems Administrator 3-Hybrid

Judge Group, Inc.Company Name - Judge Group, Inc.

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Providence, Rhode Island, USA

Contract

Location: Providence, RI Salary: $35.00 USD Hourly - $40.00 USD Hourly Description: Our client is currently seeking a Systems Administrator 3-Hybrid The Systems Administrator will play a critical role in the design, deployment, and support of enterprise IT systems across both on-premise and cloud environments. As a senior member of the newly formed Core & Identity group, you will be responsible for maintaining the integrity, security, and performance of identity and infrastructure services

Junior Systems Administrator // MSPJob Title - Junior Systems Administrator // MSP

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

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Philadelphia, Pennsylvania, USA

Full-time

Job Description A Wilmington, DE-based IT consulting company is seeking a Junior Systems Administrator to join their growing team. This is an excellent opportunity for a technically skilled and motivated individual early in their IT career to gain hands-on experience supporting diverse client environments across various industries. In this client-facing role, you will assist in the deployment, maintenance, and support of IT infrastructure solutions, both on-premises and in the cloud. Under the

Monitoring and Performance Administrator, IT InfrastructureJob Title - Monitoring and Performance Administrator, IT Infrastructure

tax.comCompany Name - tax.com

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Remote or Manila, Metro Manila, Philippines

Full-time

Why Ryan? Flexible Work EnvironmentAward-Winning CultureWorld-Class Benefits and CompensationAccelerated Career PathCommunity OutreachMentorship OpportunitiesWellness-Centric Benefits At Ryan, we pride ourselves on maintaining a robust and efficient IT infrastructure that supports our dynamic business operations. We are seeking a dedicated Monitoring and Performance Administrator to join our team and ensure the optimal performance and reliability of our systems and networks. The Monitoring and

Sr. Systems Administrator/Task Lead/ManagerJob Title - Sr. Systems Administrator/Task Lead/Manager

General DynamicsCompany Name - General Dynamics

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Florida, 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 Public Trust/Other Required: None Job Family: Systems Administration Job Qualifications: Skills: Information Technology (IT) Systems, Mentorship, People Management Certifications: None Experience: 5 + years of related experience ship Required: Yes Job Description: GDIT has an immediate opening for a Senior Systems Administrator/Task Lead/Manager to fi

IT Applications Administrator LeadJob Title - IT Applications Administrator Lead

Harris CountyCompany Name - Harris County

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Houston, Texas, USA

Full-time

Salary: Depends on Qualifications Location : Houston, TX Job Type: Regular Full-time Job Number: 15204 Department: Institute of Forensic Sciences Division: Systems Support Services Opening Date: 07/01/2025 Closing Date: 9/29/2025 11:59 PM Central Max Number of Applicants: 100 Position Description Mission The Mission of the Harris County Institute of Forensic Sciences is to provide medical examiner and crime laboratory services of the highest quality in an unbiased manner with uncompromised inte

Manager IT AdministratorJob Title - Manager IT Administrator

Lifespace Communities IncCompany Name - Lifespace Communities Inc

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Dallas, Texas, USA

Full-time

Community: Texas Home Office Address: 3501 Olympus Boulevard Dallas, Texas 75019 Pay Range $35.35-$48.61+ Hourly Live your purpose. Grow your career. Thrive through teamwork. Create meaningful, personalized experiences. At Lifespace, team members are at the center of delivering a purpose driven experience for our residents! We provide an environment where each team member can live their aspirations, developing in their career, making a difference, and being a part of a meaningful mission.

Windows Systems AdministratorJob Title - Windows Systems Administrator

SAICCompany Name - SAIC

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Adelphi, Maryland, USA

Full-time

Job ID: 2507346 Location: ADELPHI, MD, US Date Posted: 2025-07-08 Category: Information Technology Subcategory: Sys Administrator Schedule: Full-time Shift: Day Job Travel: No Minimum Clearance Required: Top Secret Clearance Level Must Be Able to Obtain: None Potential for Remote Work: No Description SAIC is seeking a proven Windows Systems Administrator to join the Army Research Laboratory (ARL) Information Technology (IT) Modernization program and support the full range of Enterpris