Senior IT Systems Administrator Jobs

101 - 120 of 6,139 Jobs

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

GovCIOCompany Name - GovCIO

•

Remote

Full-time

Overview GovCIO is hiring for a Senior Systems Administrator (Linux and Windows) to provide on-going support for the administration of the core system applications and perform operational tasks such as monitoring system resources and perform routine maintenance tasks in support of 24x7 life cycle applications to include on-call support. Work location is in Washington, DC and will be a hybrid remote with periodic onsite customer work activities. Must be willing to work nights, have an active Sec

Senior Systems Administrator - TS/SCI with PolyJob Title - Senior Systems Administrator - TS/SCI with Poly

LeidosCompany Name - Leidos

•

Aurora, Colorado, USA

Full-time

Leidos is seeking a highly skilled Senior Systems Administrator to support mission-critical operations across various laboratory environments. This role focuses on acquiring, configuring, and maintaining computer servers, operating systems, networks, and network file systems to address complex mission-specific challenges. The Senior Systems Administrator will work in dynamic lab settings, providing technical expertise, troubleshooting, and support to ensure reliable and secure IT infrastructure

Systems Administrator SeniorJob Title - Systems Administrator Senior

General DynamicsCompany Name - General Dynamics

•

Hayward, California, 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, System Administration, VMware Certifications: None Experience: 5 + years of related experience ship Required: Yes Job Description: Please take this opportunity to join one of GDIT's fastest long-standing growing program

Senior Red Hat Systems AdministratorJob Title - Senior Red Hat Systems Administrator

Harris CorporationCompany Name - Harris Corporation

•

Anaheim, California, USA

Full-time

L3Harris is dedicated to recruiting and developing high-performing talent who are passionate about what they do. Our employees are unified in a shared dedication to our customers' mission and quest for professional growth. L3Harris provides an inclusive, engaging environment designed to empower employees and promote work-life success. Fundamental to our culture is an unwavering focus on values, dedication to our communities, and commitment to excellence in everything we do. L3Harris Technologie

Linux Systems Administrator, Senior - Top Secret Clearance RequiredJob Title - Linux Systems Administrator, Senior - Top Secret Clearance Required

American Systems CorporationCompany Name - American Systems Corporation

•

Crane, Indiana, 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. Responsibilities This job requisition is for potential upcoming work at AMERICAN SYSTEMS and does not represent a current opening. Qualified candidates will be contacted when the work becomes available. As a Senior Linux Syst

Sr Systems AdministratorJob Title - Sr Systems Administrator

Irvine Technology Corporation (ITC)Company Name - Irvine Technology Corporation (ITC)

•

Dallas, Texas, USA

Full-time

Sr. Systems Administrator We have an immediate need for a Sr. Systems Administrator to join our client for a full-time, direct hire position that is fully onsite in Dallas, NYC, Phoenix or Austin. This position will support a 90% virtualized environment within Azure and AWS. Location: Onsite in Dallas, NYC, Phoenix or Austin This job expects to pay about $110,000-130,000 benefits What You ll Do: Participate in on-call rotation, after-hours maintenance, and incident response to ensure system ava

Manager, IT/Senior Systems AnalystJob Title - Manager, IT/Senior Systems Analyst

Thermo Fisher ScientificCompany Name - Thermo Fisher Scientific

•

Massachusetts, USA

Full-time

Work Schedule Standard (Mon-Fri) Environmental Conditions Office Job Description COMPANY: Thermo Fisher Scientific Inc. LOCATION: 168 Third Avenue, Waltham, MA 02451 TITLE: Manager, IT/Senior Systems Analyst HOURS: Monday to Friday, 8:00 am to 5:00 pm DUTIES: Support Thermo Fisher's integration of Tracelink (Track and Trace Solution) and Thermo Fisher's downstream partners to ensure Thermo Fisher is compliant with Serialization and Track and Trace requirements and detailing the technical

IT Analyst / Systems AdministratorJob Title - IT Analyst / Systems Administrator

Modern Technology SolutionsCompany Name - Modern Technology Solutions

•

Fort Belvoir, Virginia, USA

Full-time

Overview Own Your Future. Modern Technology Solutions, Inc. (MTSI) is seeking a IT Analyst/Systems Administrator in Ft. Belvoir, Va. Why is MTSI known as a Great Place to Work? Interesting Work: Our co-workers support some of the most important and critical programs to our national defense and security. Values: Our first core value is that employees come first. We challenge our co-workers to provide the highest level of support and service, and reward them with some of the best benefits in the

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

GovCIOCompany Name - GovCIO

•

Remote

Full-time

Sr. Systems AdministratorJob Title - Sr. Systems Administrator

Arena Technical ResourcesCompany Name - Arena Technical Resources

•

Redstone Arsenal, Alabama, USA

Full-time

Job DescriptionJob Title: Sr Systems Administrator Job Location: Redstone Arsenal, Alabama Eligibility/Clearance: Secret Clearance is required. This position supports a government contract Job Description: We are seeking a Systems Administrator that will work within a cohesive team environment and is responsible for the effective provisioning, installation/configuration, operation, and maintenance of systems hardware and software and related infrastructure. This role is critical for ensuring

Senior Linux Systems AdministratorJob Title - Senior Linux Systems Administrator

LeidosCompany Name - Leidos

•

Columbia, Maryland, USA

Full-time

Leidos has a new and exciting opportunity for a Senior Linux Systems Administrator 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% company match and immed

Systems AdministratorJob Title - Systems Administrator

ManTechCompany Name - ManTech

•

San Diego, California, USA

Full-time

MANTECH seeks a motivated, career and customer-oriented Systems Administrator to join our team onsite in San Diego, California. This is an onsite position. Responsibilities include but are not limited to: Provide Tier 3 technical remote and onsite support and guidance to NCTE Range end-users, addressing IT-related issues and inquiries in a timely and professional mannerDiagnose and resolve complex technical issues related to system configurations and network connectivity for Range POR systemsEn

Systems AdministratorJob Title - Systems Administrator

Robert HalfCompany Name - Robert Half

•

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

Systems AdministratorJob Title - Systems Administrator

ManTechCompany Name - ManTech

•

Jacksonville, Florida, USA

Full-time

MANTECH seeks a motivated, career and customer-oriented Systems Administrator to join our team onsite in Jacksonville, FL. Responsibilities include but are not limited to: Provide Tier 3 technical remote and onsite support and guidance to NCTE Range end-users, addressing IT-related issues and inquiries in a timely and professional mannerDiagnose and resolve complex technical issues related to system configurations and network connectivity for Range POR systemsEnsure compliance with security pol

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

tax.comCompany Name - tax.com

•

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

Systems Administrator SeniorJob Title - Systems Administrator Senior

Northwestern UniversityCompany Name - Northwestern University

•

Evanston, Illinois, USA

Full-time

Department: MCC Information Technology Salary/Grade: ITS/81 Job Summary: Completes efforts and projects related to the design, installation, operation, support, upgrades and maintenance of infrastructure, including software, servers, networking and storage. Administers, maintains and supports complex and critical infrastructure. Provides user support for server hosting requests, problem resolution, system changes and upgrades. Analyzes infrastructure performance and resolves problems or makes ap

Linux Systems Administrator, Sr / Secret / Onsite: Sunnyvale, CAJob Title - Linux Systems Administrator, Sr / Secret / Onsite: Sunnyvale, CA

Lockheed Martin CorporationCompany Name - Lockheed Martin Corporation

•

Sunnyvale, California, USA

Full-time

Job Description Join our Lockheed Martin team! Our employees are the core of everything we do, and they are helping the future arrive. As a leading technology innovation company, our team of over 100,000 people works with partners around the world to bring proven performance to our customers' toughest challenges. Headquartered in Bethesda, MD, Lockheed martin has employees based in all 50 states and more than 570 facilities that span more than 70 countries. We are hiring a Linux System Adminis

Systems Administrator SeniorJob Title - Systems Administrator Senior

General Dynamics Information TechnologyCompany Name - General Dynamics Information Technology

•

Tampa, 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: Infrastructure Management (IM), Microsoft Windows Server, System Administration Certifications: None Experience: 3 + years of related experience ship Required: Yes Job Description: Transform technology into opportunity as a Systems Administrator Senior wi

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

JacobsCompany Name - Jacobs

•

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

Systems Administrator IIIJob Title - Systems Administrator III

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

•

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 in RI or remote out of state- Both options are available 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