senior network administrator Jobs

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Sr Network AdministratorJob Title - Sr Network Administrator

Ledgent TechnologyCompany Name - Ledgent Technology

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Rancho Cordova, California, USA

Contract

A regional bank is seeking a Sr. Network Administrator to support enterprise systems across multiple locations in a 24/7 environment. This role blends hands-on network/server work with project leadership and team mentoring. Contract-to-Hire | Rancho Cordova | 100% Onsite Duties: Maintain Windows/Linux servers, virtualization, and backups Support LAN/WAN, firewalls, switches, and remote connectivity Administer O365, Active Directory, and server applications Lead disaster recovery and system optim

Sr Network AdministratorJob Title - Sr Network Administrator

Ledgent TechnologyCompany Name - Ledgent Technology

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Rancho Cordova, California, USA

Full-time

Sr. Network AdministratorJob Title - Sr. Network Administrator

Luna Data Solutions, Inc.Company Name - Luna Data Solutions, Inc.

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Austin, Texas, USA

Contract

Luna Data Solutions has an immediate contract position opening (contract term approximately 6 months with possible extension and/or possible conversion to a FTE at some point) for a Sr. Network Administrator resource for our client in San Marcos, TX. *This is a 100% onsite position, with on call rotation responsibilities. *Note: All candidates must be able to work on a W2 basis; No C2C is allowed. Role: Sr. Network Administrator Role Description: This resource will be working onsite supporti

Senior Network AdministratorJob Title - Senior Network Administrator

Oak Ridge National LaboratoryCompany Name - Oak Ridge National Laboratory

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Oak Ridge, Tennessee, USA

Full-time

Requisition Id 15056 Overview: As a U.S. Department of Energy (DOE) Office of Science national laboratory, ORNL has an impressive 80-year legacy of addressing the nation's most pressing challenges. Our team is made up of over 7,000 dedicated and innovative individuals! Our goal is to create an environment where a variety of perspectives and backgrounds are valued, ensuring ORNL is known as a top choice for employment. These principles are essential for supporting our broader mission to drive sci

Senior Network AdministratorJob Title - Senior Network Administrator

General DynamicsCompany Name - General Dynamics

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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

Apex SystemsCompany Name - Apex Systems

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Dahlgren, Virginia, USA

Full-time

Job#: 2076524 Job Description: (40% Remote / Dahlgren, VA) - Sr. Network Administrator - ** $135,000 - $140,000 ** Apex Systems has an Immediate Need for a (40% Remote) Sr. Network Administrator in Dahlgren, VA !! This will be an "est. 6 Month Contract to Permanent Hire" opportunity, supporting one of our Largest DoD / Government Clients on the East Coast & Nationwide! Please See Below for all Position Details & How To Apply. HOW TO APPLY Email a Resume to: - Job Title: Sr. Network Adminis

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

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

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

Network Administrator Senior Advisor - Secure Communications ServicesJob Title - Network Administrator Senior Advisor - Secure Communications Services

General DynamicsCompany Name - General Dynamics

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Washington, District of Columbia, USA

Full-time

Type of Requisition: Regular Clearance Level Must Currently Possess: Top Secret Clearance Level Must Be Able to Obtain: Top Secret Public Trust/Other Required: None Job Family: Network Engineering Job Qualifications: Skills: Network Engineering, Network Infrastructures, Networking Hardware, Network Systems Certifications: None Experience: 10 + years of related experience ship Required: Yes Job Description: Transform technology into opportunity as a Network Administrator Senior Advisor wi

Senior Network and Computer System AdministratorJob Title - Senior Network and Computer System Administrator

ALTA IT ServicesCompany Name - ALTA IT Services

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Washington, District of Columbia, USA

Full-time

Job Title: Senior Network and Systems Administrator Salary Range: $110,000.00 - $130,000.00 per year Clearance Requirement: Must already possess a DoD Secret or above clearance Job Location: Washington, DC (on-site) Responsibilities At least 4-8 years managing and administering complex and mixed network environments Demonstrated experience and abilities administering network, Web and communication system, including LAN and WAN systems. Demonstrated experience administering , installing, manag

Network Administrator Senior - TS/SCI requiredJob Title - Network Administrator Senior - TS/SCI required

General DynamicsCompany Name - General Dynamics

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North Carolina, 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 + Polygraph Public Trust/Other Required: None Job Family: Network Administration Job Qualifications: Skills: Network Configurations, Networking Hardware, Network Software Certifications: None Experience: 10 + years of related experience ship Required: No Job Description: Network Administrator Senior - TS/SCI required Transform technology into opportu

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

Senior Wide Area Network (WAN) Administrator (Government)Job Title - Senior Wide Area Network (WAN) Administrator (Government)

AT&T Inc.Company Name - AT&T Inc.

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Bellevue, Nebraska, USA

Full-time

Job Description: This position requires office presence of a minimum of 5 days per week and is only located at customer's site. No relocation is offered. AT&T Global Public Sector is a trusted provider of secure, IP enabled, cloud-based, network solutions and professional services to the Federal Government. We are dedicated to recruiting, developing and empowering a diverse, high-performing workforce that is passionate about what they do, committed to our shared values and dedicated to our cus

Network Administrator (No Network Engineer Candidates)Job Title - Network Administrator (No Network Engineer Candidates)

CulinovoCompany Name - Culinovo

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Austin, Texas, USA

Contract

Job Title: Network Administrator (No Network Engineer Candidates) Location: Austin, TX 78701 (100% Onsite, 5 Days a Week) Position Type: Long-Term Contract (W2 Only) Eligibility: s, s, L2 Austin, Texas-based candidates only (No relocation or out-of-state candidates) No C2C or Corp-to-Corp Candidates Job Summary: We are seeking an experienced Network Administrator to join our team for a long-term onsite contract role in Austin, Texas. The ideal candidate must have a minimum of 10+ years of hand

Network AdministratorJob Title - Network Administrator

Robert HalfCompany Name - Robert Half

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New Orleans, Louisiana, USA

Full-time

Description We are looking for an experienced Network Administrator to oversee and enhance the performance, security, and reliability of our organization's IT infrastructure. This role requires a proactive individual capable of managing hardware, software, and network systems while ensuring seamless connectivity and optimal functionality across all platforms. The ideal candidate will thrive in a dynamic environment and demonstrate expertise in various technologies, including Citrix, cloud servic

Mid Level Network AdministratorJob Title - Mid Level Network Administrator

Apex SystemsCompany Name - Apex Systems

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Franklin, Wisconsin, USA

Full-time

Job#: 2076669 Job Description: ur great client in Milwaukee, WI has an immediate opening for a Network Administrator. If you are interested please apply with resume to . Onsite Mon, Tue, Wed in Milwaukee. Remote Thu and Friday. SENIOR NETWORK ENGINEER Local candidates only as this is a hybrid position onsite at our corporate office downtown Milwaukee. Hybrid schedule: Onsite Mon, Tue, and Wed. Remote Thur and Fri Contract through end of 2025 Job Responsibilities: As a member of the Networ

Network AdministratorJob Title - Network Administrator

ALTA IT ServicesCompany Name - ALTA IT Services

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Montgomery, Alabama, USA

Full-time

Network Engineer Secret clearance is required to start Montgomery, AL - ONSITE $80,000-82,000 annually 3 different shifts available (Midnights - 11pm -7am, Afternoons - 3-11pm, Days 7am - 3pm) Must be Security+ certified Must obtain CCNA within 90 days of hire Requirements: 5+ years experience with: installing, configuring, troubleshooting, upgrading, patching, and hardening routers, serial consoles, load balancers, and switches. Responsibilities: Analyzes and simulates network traffic to ai

Network AdministratorJob Title - Network Administrator

SAICCompany Name - SAIC

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Chantilly, Virginia, USA

Full-time

Job ID: 2505563 Location: CHANTILLY, VA, US Date Posted: 2025-07-18 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