Senior Network Administrator Jobs

1 - 20 of 48 Jobs

Onsite - Senior Network Administrator (10+ years of experience is required)Job Title - Onsite - Senior Network Administrator (10+ years of experience is required)

ThinkBeyond IncCompany Name - ThinkBeyond Inc

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Jackson, Mississippi, USA

Contract

The Mississippi Department of Employment Security is seeking a Senior Network Administrator. Under the direction of the Office of Technology Support and Innovation Director, this position directs the operations of the Agency data network. Provide Agency with network infrastructure to support the business needs of the organization and to meet and exceed the expectations of the user base. JOB TITLE: Network Administrator WORK LOCATION: 1235 Echelon Parkway Jackson, MS 39215 AGENCY: Mississippi De

Sr Network AdministratorJob Title - Sr Network Administrator

Dia Software SolutionsCompany Name - Dia Software Solutions

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Austin, Texas, USA

Third Party, Contract

Hi, Greetings from DIA SOFTWARE SOLUTIONS LLC! We reaching out about an exciting Direct client opportunity with one of our clients. Please review the requirements and let me know if you are interested in this position? Direct client Req:: Need Sr Network Administrator TX, Onsite PLEASE SEND THE RESUMES TO SKUMAR AT DIASOFTWARESOLUTIONS DOT COM ! Job Description: The Network Administrator is responsible for installing, configuring, maintaining, and supporting the organization s network infrastruc

Senior Network AdministratorJob Title - Senior Network Administrator

Navtech, LLCCompany Name - Navtech, LLC

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Austin, Texas, USA

Contract

Job SummaryThe Senior Network Administrator is responsible for installing, configuring, maintaining, and supporting the organization s network infrastructure, including local area networks (LANs), wide area networks (WANs), wireless networks, and Internet systems. This position ensures network availability, performance, and security by monitoring, maintaining, and troubleshooting network hardware, software, and related systems. Key ResponsibilitiesAdminister and manage Windows Server environment

Senior Network AdministratorJob Title - Senior Network Administrator

General Dynamics Information TechnologyCompany Name - General Dynamics Information Technology

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Falls Church, Virginia, USA

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: Network Administration Job Qualifications: Skills: Border Gateway Protocol (BGP), Cisco Routers and Switches, MPLS Networking, Network Security, Network Services Certifications: None Experience: 5 + years of related experience ship Required: Yes Job Description: Network Administrator position supporting the Army National

Senior Network AdministratorJob Title - Senior Network Administrator

General Dynamics Information TechnologyCompany Name - General Dynamics Information Technology

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Falls Church, Virginia, USA

Full-time

Senior Network AdministratorJob Title - Senior Network Administrator

SAICCompany Name - SAIC

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Chantilly, Virginia, USA

Full-time

Job ID: 2505563 Location: CHANTILLY, VA, US Date Posted: 2025-07-02 Category: Information Technology Subcategory: Network Engineer Schedule: Full-time Shift: Day Job Travel: Yes, 10 % of the Time Minimum Clearance Required: TS/SCI with Poly Clearance Level Must Be Able to Obtain: None Potential for Remote Work: No Description SAIC has an opening for a Senior Network Administrator. This position is based on site in Chantilly, VA. Duties include: Configuring and maintaining a classified

Senior Network AdministratorJob Title - Senior Network Administrator

SAICCompany Name - SAIC

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Reston, Virginia, USA

Full-time

Job ID: 2415343 Location: RESTON, VA, US Date Posted: 2025-04-18 Category: Information Technology Subcategory: Network Engineer 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, a leading provider of systems development & deployment, targeting & intelligence analysis, systems engineering & integration, and training capabilities and solutions for the Int

Senior Network AdministratorJob Title - Senior Network Administrator

LeidosCompany Name - Leidos

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Saratoga Springs, Utah, USA

Full-time

The Digital Modernization Sector at Leidos currently has an immediate need for an experienced Senior Network Administrator for a new customer on a strategic High-Performance Computing (HPC) program. The Senior Network Administrator will need to be a self-starter with excellent analytical and problem-solving skills, flexibility, good judgment, and the ability to work within a team to mature the HPC capabilities of our customer. Primary Responsibilities: Provides Network support that requires sy

Sr. Network AdministratorJob Title - Sr. Network Administrator

LeidosCompany Name - Leidos

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Shiloh, Illinois, USA

Full-time

The Defense group at Leidos has a career opening for a Senior Network Administrator on a DISA contract. This role is primarily on the customer site at Scott AFB, IL. Administrator will provide support for assigned systems supporting Joint Worldwide Intelligence Communications System (JWICS). PRIMARY RESPONSIBILITIES: Works independently to perform configuration of assets to include switches, load balancers, routers, and FirewallsPerform routine maintenance, troubleshooting, updates and implemen

Senior Network AdministratorJob Title - Senior Network Administrator

General DynamicsCompany Name - General Dynamics

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Falls Church, Virginia, USA

Full-time

Senior Network AdministratorJob Title - Senior Network Administrator

General DynamicsCompany Name - General Dynamics

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Hawaii, 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: Network Administration Job Qualifications: Skills: ITSM, Multicasting, Routing and Switching Certifications: None Experience: 10 + years of related experience ship Required: Yes Job Description: Check out this great opportunity to join one of GDIT's fastest long-standing growing programs! US Battlefield In

Senior Network Administrator (TS/SCI with Poly Clearance Required)Job Title - Senior Network Administrator (TS/SCI with Poly Clearance Required)

FluorCompany Name - Fluor

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Aurora, Colorado, USA

Full-time

Job Description This position requires an active (or ability to obtain) TS/SCI with Polygraph Clearance The Senior Network Administrator has advanced knowledge within designated Information Technology (IT) area of responsibility that is applied to broad and diverse assignments and associated requirements. This role plans and coordinates activities related to the design, development, implementation and integration of IT solutions. The Network Administrator analyzes, evaluates, and recommends

IT SPECIALIST - SR. IT SPECIALIST - Network Administrator/SpecialistJob Title - IT SPECIALIST - SR. IT SPECIALIST - Network Administrator/Specialist

Southwest Research InstituteCompany Name - Southwest Research Institute

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San Antonio, Texas, USA

Full-time

Who We Are: Ongoing threats to national security require timely intelligence data, including signal intelligence obtained through electronic surveillance. Since the 1940s, SwRI has supported U.S. and friendly foreign governments, as well as commercial clients. Objectives of this Role: Responsible for handling centralized network management.Administer DNS/DHCP and wireless network systems.Cross-train into other network disciplines. Daily and Monthly Responsibilities: Configuration of routing an

Senior Network Operations AdministratorJob Title - Senior Network Operations Administrator

LeidosCompany Name - Leidos

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Lorton, Virginia, USA

Full-time

The Multi Domain Solutions Division at Leidos is looking for a Senior Network Operations Administrator to support a fast-paced program with the Air Force Life Cycle Management Center. This role involves supporting the delivery of comprehensive IT and support services to ensure mission success while adhering to DoD standards and regulations. The Senior Network Operations Administrator will ensure accounts for the enterprise solution are created and managed across multiple classification levels. P

Sr. Network / Systems Administrator - 243542Job Title - Sr. Network / Systems Administrator - 243542

Medix IT Staffing SolutionsCompany Name - Medix IT Staffing Solutions

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Remote

Full-time

Job Title: Sr. Network / Systems Administrator - 243542 Work Location: Remote - must reside in the state of California Onsite Requirements: This role will be required to be onsite in Palm Springs several times / month Compensation: Starting around $100K + ABOUT OUR CLIENT / ABOUT THIS ROLE Medix is currently seeking a Sr. Network / Systems Administrator for a full-time career opportunity with one of our top Healthcare clients in Riverside County. This is a permanent, full-time position with i

Sr. System Administrator- Network Operations CenterJob Title - Sr. System Administrator- Network Operations Center

RaytheonCompany Name - Raytheon

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Springfield, Virginia, USA

Full-time

Date Posted: 2025-05-19 Country: United States of America Location: VA141: 8350 Alban Road, Springfield 8350 Alban Road Suite 700, Springfield, VA, 22150 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: TS/SCI with CI Poly - Current Sr. System Administrator- Network Operations Center-Springfield, VA, must have active TS/SCI CI

IT SPECIALIST - SR. IT SPECIALIST - Network AdministratorJob Title - IT SPECIALIST - SR. IT SPECIALIST - Network Administrator

Southwest Research InstituteCompany Name - 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

Sr. System Administrator- Network Operations Center-Job Title - Sr. System Administrator- Network Operations Center-

RTX CorporationCompany Name - RTX Corporation

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Springfield, Virginia, USA

Full-time

Date Posted: 2025-05-15 Country: United States of America Location: VA141: 8350 Alban Road, Springfield 8350 Alban Road Suite 700, Springfield, VA, 22150 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: TS/SCI with CI Poly - Current Sr. System Administrator- Network Operations Center-Springfield, VA, must have active TS/SCI CI Poly

Network Administrator Senior _TS/SCI with PolygraphJob Title - Network Administrator Senior _TS/SCI with Polygraph

General DynamicsCompany Name - General Dynamics

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Springfield, 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: Network Administration Job Qualifications: Skills: Network Configurations, Network Performance, Network Upgrades Certifications: None Experience: 3 + years of related experience ship Required: Yes Job Description: Transform technology into opportunity as a Network Administrator Seni

Senior Network/Systems AdministratorJob Title - Senior Network/Systems Administrator

GovCIOCompany Name - GovCIO

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Remote

Full-time

Overview GovCIO is currently hiring for a Senior Network/Systems Administrator with an active Secret clearance. This position will be located in Sterling, VA and will be a fully remote position. Responsibilities Establishes and maintains smooth operation of computer systems (to include operating systems, software and hardware) in networked or stand-alone configurations, maintains system integrity, and upgrades systems and/or servers as required. May create and document new methods supporting