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UNIX Systems Administrator (Senior Linux Engineer)

Ocoee, Florida

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10d ago

Job Title: UNIX Systems Administrator (Senior Linux Engineer) Location - Ocoee FL or Boca Raton FL. . On-Site position Duration- 12 months Job Description: UNIX Operations team is searching for a candidate who is proficient within a LINUX (Red Hat). The ideal candidate will have 10+ years of experience within systems administration. This candidate will provide LINUX support of around 300 servers. We are looking for an effective communicator and a problem-solving individual with good organization

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Contract, Third Party

Depends on Experience

Systems Administrator, Senior

Tucson, Arizona

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14d ago

Sentinel Technologies is seeking a Senior Systems Administrator for one of our partners in Tucson, AZ. As the Senior System Admin, you are responsible for this highly available environment. Your responsibilities will include systems and some network servers, system security and data integrity. The ideal candidate will be able to offer guidance and project direction to staff and management as a subject matter expert. In building out this environment, you will also be tasked with creating process

Contract

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Systems Administrator, Senior

Tucson, Arizona

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14d ago

Contract

0 - 0

Systems Administrator Senior

Remote

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Today

Type of Requisition: Pipeline Clearance Level Must Currently Possess: None Clearance Level Must Be Able to Obtain: None Public Trust/Other Required: BI Full 6C (T4) Job Family: IT Infrastructure and Operations Job Qualifications: Skills: Containerization, Linux, Shell Scripting Certifications: None Experience: 3 + years of related experience ship Required: Yes Job Description: GDIT has a requirement for an experienced Systems Administrator Senior to join our Scientific Modeling, Applicat

Full-time

USD 96,569.00 - 130,651.00 per year

Linux Systems Administrator, Senior

Crane, Indiana

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Today

Overview AMERICAN SYSTEMS, a 100% employee-owned federal government contractor, is seeking a Senior Linux Systems Administrator with an active Top Secret clearance to support a mission-critical classified program at Naval Surface Warfare Center Crane Division, IN. This role supports a secure, closed Linux enclave responsible for protecting and recovering highly sensitive mission data. The ideal candidate brings strong Red Hat Linux experience, enterprise system administration skills, and a des

Full-time

USD 80,100.00 - 133,700.00 per year

Function Systems Administrator - Senior

Miami, Florida

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Today

As a Senior FSA at the 513 EWS you will maintain a fully operational and reliable computer system to include fixing network issues, managing sufficient workflow capability; as well as updating equipment, configuration and software. Essential Job Functions: Performs engineering work concerned with the design, evaluation, planning, testing and operation of information technology equipment and systems for commercial, government, military and/or scientific uses Monitors and tunes systems to achieve

Full-time

Network and Computer Systems Administrator Advanced / Senior (*2878)

Baltimore, Maryland

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11d ago

PSI Pax is an Economically Disadvantaged Woman-Owned Small Business (EDWOSB) Headquartered in California, MD. We are recognized as key contributors to our DOD Customer's mission specializing in Information Technology, enterprise resource planning, business and financial management, acquisition, and logistics. PSI Pax is at the forefront of innovation in supporting our DOD customer's complex requirements. We help our customers nationwide coordinate services across their enterprises, enhance effic

Full-time

Senior Systems Linux Administrator

Fremont, California

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22d ago

Maxonic maintains a close and long-term relationship with our direct client. In support of their needs, we are looking for a Senior Systems Administrator Job Description: Job Title: Senior Systems Administrator Job Type: Fulltime Job Location: Fremont, CA Work Schedule: Onsite 5 days a week Salary: $00/Yearly The Systems Engineering team is responsible for architecting, building, automating, and managing our server Infrastructure at our campus in Fremont, CA and our public cloud providers. As a

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Full-time

Depends on Experience

NAVAIR Systems Administrator, Senior - TOP SECRET

Maryland

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Today

Overview AMERICAN SYSTEMS is an employee-owned federal government contractor supporting national priority programs through our strategic solutions in Information Technology, Test & Evaluation, Program Mission Support, Engineering & Analysis, and Training. As a Systems Administrator supporting NAVAIR, you'll collaborate with talented professionals to create innovative, mission-critical solutions that empower naval aviation and defense operations. Your expertise will help shape cutting-edge syst

Full-time

USD 91,600.00 per year

NSIPS Sr Systems Administrator | Secret Clearance

New Orleans, Louisiana

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Today

Type of Requisition: Regular Clearance Level Must Currently Possess: Interim Secret Clearance Level Must Be Able to Obtain: Secret Public Trust/Other Required: None Job Family: IT Infrastructure and Operations Job Qualifications: Skills: Computer Systems, Operating Systems (OS), Software Installations, VMware VDI Certifications: None Experience: 3 + years of related experience ship Required: Yes Job Description: Systems Administrator, Senior - Identity Management Systems Deliver simple

Full-time

USD 96,050.00 - 129,950.00 per year

Senior Linux Systems Administrator

Fayetteville, North Carolina

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Today

Job Number: R0231879 Linux Systems Administrator, Senior The Opportunity: Your combination of people skills and system administrator expertise makes you the team hero, solving one problem after another. What if you could use those skills to improve the technology supporting the DoD? We're looking for a system administrator who spe cia lizes in Linux systems to help us engineer and maintain government systems. Your system administrator expertise will be vital as you identify problem areas and opp

Full-time

USD 77,500.00 - 176,000.00 per year

Senior Linux Systems Administrator

Florida

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Today

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: IT Infrastructure and Operations Job Qualifications: Skills: Linux, RedHat, System Administration Certifications: None Experience: 3 + years of related experience ship Required: Yes Job Description: MEANINGFUL WORK AND PERSONAL IMPACT As a Senior Linux Systems Administrator, the work you'll do at GDIT wil

Full-time

USD 97,750.00 - 132,250.00 per year

Senior Systems Administrator

Wilmington, Delaware

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Today

Seeking a Senior Systems Administrator to lead and maintain enterprise infrastructure and core applications across hybrid, cloud, and on-prem environments. This role oversees critical systems, ensures reliability and security, and provides technical leadership and mentorship to system administration staff. Key Responsibilities Design, implement, and maintain servers, storage, virtualization, networking, and cloud infrastructure. Lead deployment, monitoring, and lifecycle management of enterprise

Full-time

USD 140,000.00 per year

Senior Systems Administrator

Chantilly, Virginia

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Today

Job ID: 2600637 Location: CHANTILLY, VA, US Date Posted: 2026-01-29 Category: Information Technology Subcategory: Sys Administrator Schedule: Full-time Shift: Day Job Travel: No Minimum Clearance Required: TS/SCI with Poly Clearance Level Must Be Able to Obtain: None Potential for Remote Work: No Description SAIC has an immediate opening for a Senior Systems Administrator to work on a very exciting program in Chantilly. In this role you will perform high-level, day-to-day operational

Full-time

Senior Systems Administrator

Hybrid in Saint Paul, Minnesota

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4d ago

We are seeking a highly experienced Senior Systems Administrator / Systems Engineer to join our client's team. This role requires a hands-on professional who can hit the ground running, providing advanced systems administration, engineering, and operational support across enterprise and critical infrastructure environments. The ideal candidate will have strong experience with virtualization, cloud infrastructure, Windows server environments, containerization, and automation, along with the abili

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Contract

Depends on Experience

Senior Systems Administrator

Schaumburg, Illinois

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Today

Description We are looking for an experienced Senior Systems Administrator to join our team in Schaumburg, Illinois. In this contract role, you will play a key part in managing and securing system environments while addressing user needs through effective troubleshooting and system administration. This position offers an excellent opportunity to work on a balanced mix of help desk and systems tasks. Responsibilities: Manage and maintain Active Directory environments, including implementing secu

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Contract

USD 55.00 - 65.00 per hour

Senior Systems Administrator

Orange, Connecticut

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Today

Senior Systems Administrator Department: Information Technology Reports to: Senior Manager - IT Infrastructure Location: In Office, Orange CT The base salary range for this position is dependent upon experience and location, ranging from: $106,000 - $132,500 Job Summary We are seeking a seasoned and proactive Windows System Administrator with 5+ years of experience in enterprise IT environments. This role requires deep expertise in Windows Server administration, virtualization, hypervisor-l

Full-time

USD 106,000.00 - 132,500.00 per year

Senior Systems Administrator

Arlington, Virginia

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Today

Overview GovCIO is currently hiring for a Senior Systems Administrator with an active Secret clearance to manage large-scale Windows-based environments, commercial off-the-shelf applications, and government-developed enterprise applications . This position will be located in Arlington, VA, and will be a hybrid position. Responsibilities Works with large-scale Windows-based environments, commercial off-the-shelf applications, and government-developed enterprise applications Provides F5 LTM adm

Full-time

USD 115,000.00 - 135,000.00 per year

Senior Systems Administrator

Coral Gables, Florida

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Today

RESPONSIBILITIES: Kforce has a client in Coral Gables, FL that is seeking an experienced Senior Systems Administrator with deep expertise in hybrid cloud environments, enterprise directory services, and virtualized infrastructure. This role requires a technical professional who can manage complex systems across on-premises and cloud platforms while maintaining optimal performance, security, and reliability. Key Responsibilities: * Administer Azure Enterprise Applications including SSO configura

Contract

$55 - $60 hourly

Senior Systems Administrator

Gaithersburg, Maryland

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Today

Leidos National Security Sector combines technology-enabled services and mission software capabilities in the areas of cyber, logistics, security operations, and decision analytics to support our defense and intel customers' mission to defend against evolving threats around the world. Our team's focus is to ensure our customers have the right tools, technologies, and tactics to keep pace with an ever-evolving security landscape and succeed in their pursuit to protect people and critical assets.

Full-time

USD 92,300.00 - 166,850.00 per year

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