Senior Systems Administrator Jobs

21 - 40 of 167 Jobs

Senior Systems AdministratorJob Title - Senior Systems Administrator

LeidosCompany Name - Leidos

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Laurel, Maryland, USA

Full-time

Leidos has a new and exciting opportunity for a Senior 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 immediate v

Senior Systems AdministratorJob Title - Senior Systems Administrator

Apex SystemsCompany Name - Apex Systems

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Herndon, Virginia, USA

Full-time

Job#: 2077484 Job Description: Apex Systems is seeking a Senior Systems Administrator to work fully onsite in Herndon, VA. For immediate consideration, please email your updated resume to Maren at with "Senior Systems Administrator Herndon, VA" in the subject line. #Clearance required: Active Full Scope Polygraph Summary: We are seeking a Senior Systems Administrator to join a Specialized Infrastructure Operations team within the Information Technology & Data Analytics (IT&DA) organization i

Sr. Systems AdministratorJob Title - Sr. Systems Administrator

Robert HalfCompany Name - Robert Half

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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

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 Administrator (Australia) - TS/SCI with PolygraphJob Title - Senior Systems Administrator (Australia) - TS/SCI with Polygraph

General Dynamics Information TechnologyCompany Name - General Dynamics Information Technology

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Independence, Kansas, 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: Linux, System Administration, Windows Applications Certifications: None Experience: 5 + years of related experience ship Required: Yes Job Description: General Dynamics Information Technology (GDIT) is seeking an IT Engineer with Mi

Senior Systems Administrator (Australia) - TS/SCI with PolygraphJob Title - Senior Systems Administrator (Australia) - TS/SCI with Polygraph

General Dynamics Information TechnologyCompany Name - General Dynamics Information Technology

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Independence, Kansas, 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: Active Directory (AD), Linux, Microsoft Windows, Operating Systems (OS) Certifications: None Experience: 5 + years of related experience ship Required: Yes Job Description: General Dynamics Information Technology (GDIT) is seeking

Senior Systems Administrator (Australia) - TS/SCI with PolygraphJob Title - Senior Systems Administrator (Australia) - TS/SCI with Polygraph

General Dynamics Information TechnologyCompany Name - General Dynamics Information Technology

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Independence, Kansas, USA

Full-time

Senior Systems Administrator (Australia) - TS/SCI with PolygraphJob Title - Senior Systems Administrator (Australia) - TS/SCI with Polygraph

General Dynamics Information TechnologyCompany Name - General Dynamics Information Technology

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Independence, Kansas, USA

Full-time

Senior Systems Administrator (Australia) - TS/SCI with PolygraphJob Title - Senior Systems Administrator (Australia) - TS/SCI with Polygraph

General Dynamics Information TechnologyCompany Name - General Dynamics Information Technology

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Independence, Kansas, USA

Full-time

Senior Systems AdministratorJob Title - Senior Systems Administrator

LeidosCompany Name - Leidos

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Chantilly, Virginia, USA

Full-time

Looking for an opportunity to make an impact? At Leidos, we deliver innovative solutions through the efforts of our diverse and talented people who are dedicated to our customers' success. We empower our teams, contribute to our communities, and operate sustainably. Everything we do is built on a commitment to do the right thing for our customers, our people, and our community. The Leidos National Security Sector (NSS) combines technology-enabled services and mission software capabilities in th

Senior Systems Administrator - TS/SCI with PolygraphJob Title - Senior Systems Administrator - TS/SCI with Polygraph

General Dynamics Information TechnologyCompany Name - General Dynamics Information Technology

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Fort Belvoir, Virginia, 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: Active Directory (AD), Incident Resolution, System Administration Certifications: None Experience: 3 + years of related experience ship Required: Yes Job Description: General Dynamics Information Technology (GDIT) is seeking an IT

Senior Systems Administrator - TS/SCI with PolygraphJob Title - Senior Systems Administrator - TS/SCI with Polygraph

General Dynamics Information TechnologyCompany Name - General Dynamics Information Technology

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Fort Belvoir, Virginia, 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: Active Directory (AD), Incident Resolution, System Administration Certifications: None Experience: 3 + years of related experience ship Required: Yes Job Description: General Dynamics Information Technology (GDIT) is seeking an IT E

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

LeidosCompany Name - Leidos

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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

Sr. Systems AdministratorJob Title - Sr. Systems Administrator

VC5 ConsultingCompany Name - VC5 Consulting

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Sugar Land, Texas, USA

Full-time

Company Job Description Responsibilities: Manage and support Azure cloud services, including virtual machines, networking, and storage. Administer Active Directory (AD) environments, group policies, and security settings. Monitor the performance and configuration of systems and perform routine maintenance and upgrades. Ensure that records of system downtime and equipment inventory are kept up to date. Implement and manage backup and disaster recovery solutions. Develop and maintain documentati

Senior Systems Administrator / New York, New York ( Hybrid), 3+ Months ContractJob Title - Senior Systems Administrator / New York, New York ( Hybrid), 3+ Months Contract

Suncap TechnologyCompany Name - Suncap Technology

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New York, New York, USA

Contract

Position: Senior Systems Administrator Definition: Individual responsible for upkeep, configuration and reliable operation of computer systems 2+ Months Contract Location: New York, New York 10005 (3 days a week in office) Client need she or he to know advanced Google admin, JAMF, Okta, Zoom, scripting, Service Now admin. Client need someone that can learn the environment by themselves in an possible adverse environment Reporting: The Systems Engineer will report directly to our Lead, Systems E

IT Sr Systems Administrator - virtualJob Title - IT Sr Systems Administrator - virtual

Alight Solutions LLCCompany Name - Alight Solutions LLC

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New Jersey, USA

Full-time

Are you a DevOps enthusiast looking for an exciting opportunity to showcase your skills? Look no further! We're on the lookout for a dynamic DevOps Engineer to join our team! Our Story At Alight, we believe a company's success starts with its people. At our core, we Champion People, help our colleagues Grow with Purpose and true to our name we encourage colleagues to "Be Alight." Our Values Champion People - be empathetic and help create a place where everyone belongs. Grow with purpose - b

Sr Systems AdministratorJob Title - Sr Systems Administrator

Scientific Research CorporationCompany Name - Scientific Research Corporation

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Colorado Springs, Colorado, USA

Full-time

Salary Statement Estimated Starting Salary Range: USD $132,250.00/Yr. - USD $220,400.00/Yr. Salary to be determined by the education, experience, knowledge, skills, and abilities of the applicant, internal equity, and alignment with market data. Description SRC is searching for a mid-level Windows System Administrator with experience in installation and configuration of Virtual Desktop Infrastructure (e.g. Citrix) to support United States Space Command (USSPACECOM) systems. These systems will

Senior Systems AdministratorJob Title - Senior Systems Administrator

Veeva SystemsCompany Name - Veeva Systems

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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

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. 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