senior it systems administrator Jobs

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G2 Senior Systems Administrator | Active Top Secret clearance

General Dynamics

•

Remote

Full-time

Type of Requisition: Pipeline Clearance Level Must Currently Possess: Top Secret Clearance Level Must Be Able to Obtain: Top Secret Public Trust/Other Required: None Job Family: Systems Engineering Job Qualifications: Skills: Microsoft Windows Server, System Administration, Virtual Environments Certifications: None Experience: 6 + years of related experience ship Required: Yes Job Description: Transform technology into opportunity as a Senior Systems Administrator with GDIT. A career in
Posted 1 day ago | Updated 2 hours ago

Senior IT System Administrator

Electronic Consulting Services, Inc (ECS Federal)

•

Warner Robins, Georgia, USA

Full-time

Job Description ECS is seeking a Senior IT System Administrator to work in our Warner Robins, GA office. Please Note: This position is contingent upon additional funding. ECS is seeking a highly qualified Senior IT System Administrator with an active Top Secret/SCI Clearance and have a Security + CE certificate to work on our project at Robins Air Force Base, GA. The selected candidate will be able to communicate effectively (written/verbal), possess strong interpersonal skills, be self-moti
Posted 3 days ago | Updated 10 hours ago

Senior IT Project Manager

Vaco by Highspring

•

Cincinnati, Ohio, USA

Contract

Vaco is hiring several Sr. IT Project Managers for full-time opportunities in downtown Cincinnati, OH. These roles are 100% onsite in downtown Cincinnati JOB DESCRIPTION: The Sr. IT Project Manager is responsible for the day-to-day coordination and completion of enterprise level projects using a combination of disciplines (process, change, and business, technical). Manages a variety of medium to large scale, Enterprise-wide initiatives simultaneously while serving as the single point of contac
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Posted 7 days ago

Senior Systems Administrator (F2F INTERVIEW) :: W2 :: Dallas ,TX

Stellent IT LLC

•

Dallas, Texas, USA

Contract, Third Party

Job Title: Senior Systems Administrator (F2F interview) Location: On-Site Dallas, TX Role Type: Contract to Hire Visa- GC Length of Contract: 6 month W2 : Interview Process: 1st interview TEAMs with hiring manager 2nd interview TEAMs with hiring manager and others 3rd interview On-site **MUST HAVES** These are to be cut/pasted as part of your candidate submittal. Do not remove any of the items when submitting. If your candidate does not have all the must-haves, please indicate next t
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Posted 4 days ago | Updated moments ago

Senior IT Project Manager

Vaco by Highspring

•

Silver Spring, Maryland, USA

Full-time

Senior IT Project Manager Location:Near Takoma Park, MD(Hybrid schedule) Responsibilities: Manage large-scale, complex programs and projects with internal and external stakeholders.Develop and oversee project engagement including planning, vendor relationships, communications, resources, budget, risks, and issues.Define project goals, requirements, and success metrics in collaboration with stakeholders.Lead multidisciplinary teams through project lifecycles, ensuring alignment with industry best
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Posted 12 days ago

IT SPECIALIST - SR. IT SPECIALIST - Network Administrator

Southwest Research Institute

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San Antonio, Texas, USA

Full-time

Who We Are: Network Telecommunications Services: Responsible for connectivity and communications needs for the Institute. This includes network administration of routing, switching, unified communications, wireless and ISP connectivity. In addition, we manage AV operations and the telecom infrastructure inside/outside plant. Objectives of this Role: Handle centralized network management.Administer DNS/DHCP and wireless network systems.Cross-train into other network disciplines. Daily and Month
Posted 50 days ago | Updated 2 hours ago

IT Linux Systems Administrator - Top Secret Clearance

SpaceX

•

Hawthorne, California, USA

Full-time

SpaceX was founded under the belief that a future where humanity is out exploring the stars is fundamentally more exciting than one where we are not. Today SpaceX is actively developing the technologies to make this possible, with the ultimate goal of enabling human life on Mars. IT LINUX SYSTEMS ADMINISTRATOR - TOP SECRET CLEARANCE SpaceX is looking for an experienced Systems Administrator with deep knowledge and broad experience across Linux-based technologies and application support. The id
Posted 60+ days ago | Updated 2 hours ago

Sr Windows Systems Administrator

RTX Corporation

•

McKinney, Texas, USA

Full-time

Date Posted: 2025-07-02 Country: United States of America Location: TX190: 2501 West University, McKinney 2501 West University , McKinney, TX, 75070 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: Secret At Raytheon, the foundation of everything we do is rooted in our values and a higher calling - to help our nation
Posted 7 days ago | Updated 2 hours ago

Sr Windows Systems Administrator

RTX Corporation

•

El Segundo, California, USA

Full-time

Date Posted: 2025-07-02 Country: United States of America Location: CA222: 2006 E El Segundo Blvd BldgE04 2006 East El Segundo Boulevard Building E04, El Segundo, CA, 90245 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: Secret At Raytheon, the foundation of everything we do is rooted in our values and a higher calli
Posted 7 days ago | Updated 2 hours ago

Senior IT Systems Engineer

Judge Group, Inc.

•

New York, New York, USA

Contract

Location: New York City, NY Salary: $75.00 USD Hourly - $85.00 USD Hourly Description: Location: NYC Metro Area Title: Sr. IT Systems Engineer Job Type: Contract The Senior IT Workspace Engineer will play a pivotal role in shaping and executing our digital workplace strategy. This is a high-impact, hands-on position that combines technical leadership, and product ownership. You'll architect and deliver secure, scalable, and user-centric workspace solutions that drive productivity, mobilit
Posted 12 days ago | Updated 10 hours ago

IT Systems Administrator / Systems Analysis

Modern Technology Solutions

•

Chantilly, Virginia, USA

Full-time

Overview Modern Technology Solutions, Inc. (MTSI) is seeking multiple skill levels of IT Systems Admins. An active TS/SCI security clearance with a polygraph is required. 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
Posted 60+ days ago | Updated 12 days ago

Senior Systems Administrator

Veeva Systems

•

Phoenix, Arizona, USA

Full-time

Veeva Systems is a mission-driven organization and pioneer in industry cloud, helping life sciences companies bring therapies to patients faster. As one of the fastest-growing SaaS companies in history, we surpassed $2B in revenue in our last fiscal year with extensive growth potential ahead. At the heart of Veeva are our values: Do the Right Thing, Customer Success, Employee Success, and Speed. We're not just any public company - we made history in 2021 by becoming a public benefit corporation
Posted 15 days ago | Updated 2 hours ago

Systems Administrator II, IT Infrastructure

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 Systems Administrator II maintains and manages server computing and storage platforms, including, but not limited to, installation, configuration, preventive maintenance, operation, and problem-resolution activities. Duties and Responsibilities, as they align to Ryan's Key Results People: Create a positive te
Posted 60+ days ago | Updated 18 days ago

Sr. Systems Administrator

Robert Half

•

Asheville, North Carolina, USA

Contract

Description We are looking for an experienced Sr. Systems Administrator to join our team in Asheville, North Carolina. This is a long-term contract position that offers the opportunity to work with cutting-edge technologies and contribute to the stability and security of our IT infrastructure. The ideal candidate will have expertise in cloud-based systems, endpoint management, and automation tools. Responsibilities: Oversee and manage cloud technologies, including private endpoint setups and in
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Posted 23 days ago | Updated 10 hours ago

Sr Staff IT Systems Engineer

PaloAlto Networks

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Santa Clara, California, USA

Full-time

Company Description Our Mission At Palo Alto Networks everything starts and ends with our mission: Being the cybersecurity partner of choice, protecting our digital way of life. Our vision is a world where each day is safer and more secure than the one before. We are a company built on the foundation of challenging and disrupting the way things are done, and we're looking for innovators who are as committed to shaping the future of cybersecurity as we are. Who We Are We take our mission of
Posted 11 days ago | Updated 2 hours ago

Senior Linux Systems Administrator

Cornerstone Defense

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No location provided

Full-time

Type: Contract Job #3699 Senior Linux Systems Administrator Aurora, CO Active TS/SCI with Poly Compensation Range: $125,000 - $145,000 Company Overview: Cornerstone Defense is the Employer of Choice within the Intelligence, Defense, and Space communities of the U.S. Government. Realizing early on that our most prized assets are our employees, we continually focus our attention on improving the overall work/life experience they have supporting the mission. Our Team is pushed every day to use thei
Posted 24 days ago | Updated 2 hours ago

Senior IT Project Manager Grants System Implementation (Public Sector)

EITAcies, Inc.

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Remote or Hartford, Connecticut, USA

Full-time, Part-time, Contract, Third Party

Senior IT Project Manager Grants System Implementation (Public Sector) 100% Remote : EST Work Hours *Note: Hands-on experience rolling out a Grants Management System across multiple departments/agencies. We are looking for an experienced Information Technology Project Manager to lead the implementation of a statewide Grants Management System. This role involves overseeing the entire project lifecycle, coordinating across state agencies, managing vendors, and driving user adoption. You will be re
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Posted 7 hours ago | Updated moments ago

Senior Systems Engineer, IT Infrastructure

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 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
Posted 27 days ago | Updated 18 days ago

IT Business Services Senior Consultant

SAP Americas, Inc.

•

Newtown Square, Pennsylvania, USA

Full-time

Requisition ID: 427706 Work Area: Information Technology Expected Travel: 0% Career Status: Professional Employment Type: Regular Full Time Career Level: T3-3 Original Posting Date: 06/23/2025 Job Title: IT Business Services Senior Consultant Location: Newtown Square, PA Work Model: Hybrid work model Purpose and Objective: SAP America, Inc. seeks an IT Business Services Senior Consultant at our Newtown Square, PA location to cooperate closely with the customer's technology and business stakehol
Posted 19 days ago | Updated 2 hours ago

Senior Systems Administrator (Linux and Windows)

General Dynamics

•

Mary Esther, Florida, USA

Full-time

Type of Requisition: Regular Clearance Level Must Currently Possess: Interim Secret Clearance Level Must Be Able to Obtain: Top Secret/SCI Public Trust/Other Required: None Job Family: Systems Administration Job Qualifications: Skills: Linux, System Administration, Virtual Environments, Virtualization, VMware Certifications: None Experience: 3 + years of related experience ship Required: Yes Job Description: Job Description: Seize your opportunity to make a personal impact as a Senior S
Posted 10 days ago | Updated 2 hours ago