senior network administrator jobs

Tampa, Florida

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Today

job summary: We are seeking a highly experienced and technically proficient Senior Network Engineer/Administrator to join a leading enterprise operations team. This critical role involves administering, monitoring, and maintaining complex voice and data infrastructure across a large-scale corporate and specialized utility environment. The ideal candidate will ensure the highest levels of availability, performance, and security while adhering to industry-leading standards (including NERC/SERC co

Full-time

USD115,000 - USD125,000

Senior Network Administrator (Active Secret Clearance)

Huntsville, Alabama

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Today

Description Advanced knowledge and appreciable latitude in decision-making, provide network infrastructure services at a contractor-provided NOSC. Support network communications, including data, voice, and video services, at locations throughout the CONUS and OCONUS location. Support 24/7 network performance monitoring, incident detection, network security functions and problem resolution. Design, develop, test, and maintain network communications, including data, voice, and video services, a

Full-time

USD 45.67 - 52.88 per hour

Sr. Network Administrator

San Marcos, Texas

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4d ago

Luna Data Solutions has an immediate contract FOR HIRE position opening (contract term approximately 6 months before converting to a full time employee of the client's) with our client located in San Marcos, TX. *This is a 100% onsite position. *Note: All candidates must be able to work on a W2 basis. Role: Sr. Network Administrator Positive Overview: The Senior Network Administrator with Engineering and Architecture responsibilities will design, engineer, secure, and maintain the instituti

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Contract

Depends on Experience

Senior Network Administrator - Placement

Fort Meade, Maryland

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Today

Job#: 3009485 Job Description: - Palo Alto Firewall / Network Administrator - (Ft. Meade, MD) ** $62.00 - $70.00 / Hourly ** Apex Systems has an Immediate Need for a Palo Alto Firewall / Network Administrator in FT Meade, MD !! This will be an "est. 6+ Month Contract to Possible Permanent Hire or Contract Extension", 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 Your Resume T

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Full-time

USD 62.00 - 70.00 per hour

EUCOM Sr. Network Administrator

Hayward, California

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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: Cisco Routers and Switches, DISA STIG, Network Administration Certifications: None Experience: 5 + years of related experience ship Required: Yes Job Description: Please take this opportunity to join one of GDIT's fastest long-standing growing pr

Full-time

USD 91,811.00 - 98,900.00 per year

Sr. Network Administrator

Florida

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Today

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: IT Infrastructure and Operations Job Qualifications: Skills: DISA STIG, Firewalls, Network Infrastructures, Routing and Switching Certifications: None Experience: 5 + years of related experience ship Required: Yes Job Description: Sr. Network Administrator SECRET MacDill AFB, FL Please take this opportunity to join one o

Full-time

USD 66,725.00 - 90,275.00 per year

Senior Network Administrator

No location provided

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Today

Type of Requisition: Regular Clearance Level Must Currently Possess: Secret Clearance Level Must Be Able to Obtain: Top Secret Public Trust/Other Required: None Job Family: IT Infrastructure and Operations Job Qualifications: Skills: Microsoft Windows, Network Administration, Network Infrastructures, Networking Certifications: Certified Network Professional Enterprise (CCNP) | Cisco - Cisco Experience: 5 + years of related experience ship Required: Yes Job Description: Advance how our cu

Full-time

USD 105,622.00 - 109,250.00 per year

Senior Network Administrator, Intelligence Systems

Reston, Virginia

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Today

Anduril Industries is a defense technology company with a mission to transform U.S. and allied military capabilities with advanced technology. By bringing the expertise, technology, and business model of the 21st century's most innovative companies to the defense industry, Anduril is changing how military systems are designed, built and sold. Anduril's family of systems is powered by Lattice OS, an AI-powered operating system that turns thousands of data streams into a realtime, 3D command and c

Full-time

USD 126,000.00 - 167,000.00 per year

SR. IT SPECIALIST - Sr. Network Administrator - Voice

San Antonio, Texas

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7d ago

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: Maintain centralized collaboration systems.Handle centralized network management.Deploy new network equipment and process break/fix requests.Monit

Full-time

Senior Network Operations Administrator

Brooklyn, New York

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15d ago

PERMANENT JOB LOCATION: NYC / ON SITE NO THIRD-PARTY RESUMES CISCO, LAN / WAN, WINDOWS SERVER, CHECKPOINT, ROUTERS AND SWITCHES ON SITE INTERVIEWS WE ARE LOOKING FOR EXPERIENCE WITH CISCO AND WINDOWS SERVER SUPPORT PRIMARY RESPONSIBILITIES Responsibility for working with network team in the implementation, management, and troubleshooting of the company computer networks. Configuring and maintaining local area networks(LANs), wide area networks (WANs), internet connections, and other data commun

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Full-time

130000 - 140000

Network Administrator Senior

Alexandria, Virginia

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Today

Overview GovCIO is currently hiring a Senior Network Administrator to manage secure network operations in support of the U.S. Coast Guard. This hybrid role is based in Alexandria, VA and requires significant on-site presence to ensure mission-critical network availability, security compliance, and performance optimization. Responsibilities Administer and maintain NIPRNet and SIPRNet network infrastructure, including routers, switches, firewalls, TACLANEs, and ensuring compliance with DoD and D

Full-time

USD 105,000.00 - 126,000.00 per year

Senior Network Admin

Houston, Texas

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8d ago

We are seeking a highly skilled Senior Network Administrator for a full-time, on-site position located in Houston. This opportunity is ideal for an experienced professional who thrives in dynamic environments and is passionate about designing, implementing, and supporting enterprise-level data network infrastructure. The successful candidate will play a pivotal role in maintaining network operations across data centers, WAN, LAN, wireless, and security systems, ensuring optimal performance and r

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Contract, Third Party

Depends on Experience

Network Administrator Senior - TS/SCI required

Hayward, California

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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 + Polygraph Public Trust/Other Required: None Job Family: IT Infrastructure and Operations Job Qualifications: Skills: Active Directory (AD), Microsoft Windows Server, Network Infrastructures Certifications: None Experience: 10 + years of related experience ship Required: Yes Job Description: Network Administrator Senior - TS/SCI required Advance how

Full-time

USD 80,750.00 - 109,250.00 per year

Network Administrator, Senior Analyst, Tucson, AZ - ONSITE

Tucson, Arizona

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Today

Date Posted: 2025-12-04 Country: United States of America Location: AZ201: RMS AP Bldg 801 1151 East Hermans Road Building 801, Tucson, AZ, 85756 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: Secret - Current Network Administrator, Senior Analyst (P2) Senior Analyst, Information Workplace Services Raytheon Digital Technology C

Full-time

USD 66,000.00 per year

Network Administrator, Sr / Secret / Onsite: Palmdale, CA

Palmdale, California

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Today

Job Description This position is to join the Classified Network Operations Team Supporting LM Aeronautics in Palmdale, CA. This position will support classified network infrastructure covering maintenance, troubleshooting and daily operations supporting a single program within Lockheed Martin Aeronautics Advanced Development Program. The candidate selected will need to be a self-starter, able to work in fast paced environment and display strong communication skills as well as administer and mai

Full-time

USD 85,500.00 - 150,765.00 per year

Senior Network and Computer Systems Administrator

Arlington, Virginia

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Today

Overview AMERICAN SYSTEMS is seeking a Senior Network and Computer Systems Administrator to join the NISSC3 Mission at The Pentagon. Step into the iconic halls of America's command center as part of the NISSC contract team. Here, your work safeguards national security and enables top-tier operations for the Department of Defense. Support and advance the NISSC mission, powering critical command, control, and communications that impact global defense. At the very heart of American strategy, be

Full-time

USD 108,100.00 per year

Senior Network and Computer Systems Administrator

Fairfield, Pennsylvania

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Today

Overview AMERICAN SYSTEMS is seeking a Senior Network and Computer Systems Administrator to Strengthen Resilience-NISSC at Raven Rock! Become the backbone of government continuity and national defense as a NISSC team member at Raven Rock. Your expertise will ensure critical systems and emergency operations remain secure at one of the nation's most vital underground facilities. Embody NISSC 's values of readiness and reliability-help drive communications, command, and crisis response from this

Full-time

USD 94,400.00 per year

Senior Network and Computer Systems Administrator (SECRET Clearance)

Orlando, Florida

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Today

ASE is looking for a Senior Network and Computer Systems Administrator to work in support of Naval Air Warfare Center Training Systems Division (NAWCTSD) in Orlando, Florida. To join our team of outstanding professionals, apply today! Responsibilities Installs, configures, and maintains an organization's local area network (LAN), wide area network (WAN), data communications network, operating systems, and physical and virtual servers.Performs system monitoring and verify the integrity and avail

Full-time

Senior Network and Computer Systems Administrator

South Burlington, Vermont

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Today

We are seeking an experienced Senior Network and Computer Systems Administrator to lead the administration, security, and optimization of the USCIS enterprise IT infrastructure. This role is critical in ensuring the availability, performance, scalability, and security of mission-critical network and systems services used to support USCIS operations nationwide. As a senior-level administrator, you will provide technical leadership and oversight of the network and server environments, support mode

Full-time

USD 100,000.00 - 115,000.00 per year

Specialist, Network Administrator

Rochester, New York

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Today

L3Harris is dedicated to recruiting and developing high-performing talent who are passionate about what they do. Our employees are unified in a shared dedication to our customers' mission and quest for professional growth. L3Harris provides an inclusive, engaging environment designed to empower employees and promote work-life success. Fundamental to our culture is an unwavering focus on values, dedication to our communities, and commitment to excellence in everything we do. L3Harris Technologie

Full-time

USD 68,000.00 - 126,000.00 per year

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senior network administrator jobs