14 of 14 Senior Network Administrator Jobs

A global leader in the insurance markets is seeking a highly experienced Senior Network Administrator with a strong focus on cloud-based infrastructure, particularly Microsoft Azure. Experience with Palo Alto's extended security suite is also essential to be considered for this role. Its a remote/working from home role, with office visits (London/Heathrow … depending on experience). The company offers fantastic benefits including 8% pension, 25 days holiday and private healthcare. In this role youll: Architect, deploy, and manage Azure-based network infrastructure, including VNets, Azure Firewall, Application Gateway, NSGs, Load Balancers, Private Endpoints, VPN, and ExpressRoute. Support and lead network migration and transformation initiatives, especially from on-prem to Azure … Alto firewalls and application-layer security. Cloud Networking: Advanced knowledge of cloud networking components and architecture. (Azure preferred) Cloud Migration/Transition Projects: Demonstrated success in leading or supporting network transition efforts to Azure or hybrid environments. Palo Alto Ecosystem: Deep experience with Palo Alto firewalls, Panorama, Prisma Access, GlobalProtect, Cortex Data Lake, and DLP. Application Layer Security: Proven More ❯

ManTech seeks a motivated, career and customer-oriented Senior Network Administrator to join our team in Herndon, VA. Responsibilities include but are not limited to: Design, i nstall, maintain, and configure L2 and L3 network equipment (routers, switches, etc .) Develop strategic plans for network development and expansion. Coordinate installation of new hardware/software … Monitor network performance to identify and resolve issues quickly and effectively utilizing network management systems and tools Assist with incident management, problem management, and change management tickets. Will also train and offer guidance/direction to less experienced network administrators. Develop and implement disaster recovery programs. Follow organizational IT security procedures for network setup, installing firewalls … Minimum Qualifications: 9+ years of related experience and a bachelor's degree in information technology , computer science, finance, business management, or related degree An IAT II certification Understanding of Network Protocols Strong Troubleshooting skills Good communication Preferred Qualifications: Any of the following certifications: CCNA, Agile, ITIL Clearance Requirements: Must have a current/active Secret clearance with the ability More ❯

As a Sr. Network Administrator, you'll support all areas of secure network technologies in a dynamic operational IT environment within the Department of state, including maintenance, provisioning, and deployment functions. You will use network monitoring tools to troubleshoot, analyze and resolve technical problems. You will also play a critical role in troubleshooting network issues … you'll do: Supervise daily shift activities (6:00 AM - 2:30 PM) and coordinate other shift analysts for a seamless handover. Responsible for evaluating, maintaining, and improving the network reliability, availability and performance Continuously monitor network performance, availability, and security using NOC monitoring tools. Respond to network alerts, diagnose failures, and implement corrective actions. Develop and … update NOC processes, playbooks, and incident response plans. Apply security patches, updates, and firewall configurations. Maintain up-to-date network diagrams, documentation, and inventory records. Manage and configure routers, switches, firewalls, and other network devices. Conduct thorough security audits and assessments to identify vulnerabilities, weaknesses, and areas for improvement. Investigate security incidents to determine root causes and implement More ❯

A global leader in the insurance markets is seeking a highly experienced Senior Network Administrator with a strong focus on cloud-based infrastructure, particularly Microsoft Azure. Experience with Palo Alto's extended security suite is also essential to be considered for this role. Its a fully remote role (with occasional team meet-ups/socials) in the More ❯

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 network and unclassified lab of both juniper and cisco devices to include routers, firewalls, and switches. Working with server team to assist with any network needs to include VLAN changes … IP management, and firewall rule changes. Leading activities to architect, design, build, and test network systems and components. Evaluating network product usability, affordability, functionality, security, and performance to assess suitability for integration into classified environment. Maintaining compliance with customer requirements. Building and maintaining robust documentation. Network Operations. Qualifications Required Experience: Bachelor's Degree and 5+ years of … experience may be considered in lieu of a degree. Must be a US Citizen with an active TS/SCI with a Poly. 2+ years of experience as a Network Engineer. Ability to obtain CISSP or CASP within six months of employment. 2+ years Intelligence Community or DOD supporting networks. Understanding of Cisco and/or Juniper network More ❯

Transform technology into opportunity a Network Administrator with GDIT. A career in enterprise IT means connecting and enhancing the systems that matter most. At GDIT you'll be at the forefront of innovation and play a meaningful part in improving how agencies operate. At GDIT, people are our differentiator. As a Network Administrator, you will help … ensure today is safe and tomorrow is smarter. HOW A NETWORK ADMINISTRATOR WILL MAKE AN IMPACT: Install, configure, and support an organization's local area network (LAN), wide area network (WAN), and Internet systems or a segment of a network system. Monitor network to ensure network availability to all system users and may … perform necessary maintenance to support network availability. May monitor and test Web site performance to ensure Web sites operate correctly and without interruption. May assist in network modeling, analysis, planning, and coordination between network and data communications hardware and software. May supervise computer user support specialists and computer network support specialists. May administer network security More ❯

We are seeking an experienced Network Administrator to support the U.S. Army Corps of Engineers (USACE) at a contractor-provided Network Operations and Security Center (NOSC). This role requires advanced technical expertise, strong documentation skills, and the ability to operate independently in a classified SIPR environment. Key Responsibilities: • Provide 24/7 network monitoring, incident … detection, and resolution. • Design, develop, test, and maintain data, voice, and video communications across CONUS and OCONUS locations. • Analyze and propose scalable network solutions to meet bandwidth and performance needs. • Configure and maintain secure network infrastructure in compliance with DoD and Federal regulations. • Support installs, moves, adds, changes (IMACs), and infrastructure modernization. • Conduct requirements analysis to ensure optimal … INMARSAT, VSAT). • Provide reach-back support and troubleshoot issues using ITIL-based ticketing processes. Key Skills & Qualifications: • Advanced Networking Knowledge: Strong grasp of routing, switching, VLANs, subnetting, and network protocols. • SIPR/NIPR Administration: Experience managing classified networks. • Information Assurance (IA): Skilled in documenting IA policies and ensuring compliance. • ITIL Process Familiarity: Ability to manage and resolve tickets More ❯

R&S refreshing experience and have interest in learning emerging networking technologies Job Description 2x openings - 1 at Fort Shafter Flats/1 at Schofield Barracks. Cisco environment - The Senior Network Administrator - Senior will report to the Engineering team, where they will assist in the engineering, deployment, troubleshooting, and integration of new networking gear in the … environment. • Analyzes user's requirements, concept of operations documents, and high level system architectures to develop network requirements specifications • Guides users in formulating requirements, advises alternative approaches, and conducts feasibility studies • Analyzes network requirements and capacity and leads design and development activities • Provides technical leadership for the integration of network requirements, design, and technology • Incorporates new network plans, designs and systems into ongoing operations • Develops network architecture and network design documentation • Guides network development and implementation planning through assessment or preparation of network engineering management plans and network integration and test plans • Design and perform integration of new technologies into local and wide area networks • Provide advanced troubleshooting and problem resolution More ❯

Community, is seeking creative and dedicated professionals to fulfill their career goals and objectives while delivering mission excellence on programs of national importance. We are seeking a highly motivated Network Administrator to join our National Intelligence Program supporting the operations, maintenance of a complex, hybrid on-premises and cloud enterprise IT environment. As a Network Administrator supporting Network Operations, you'll be challenged with enterprise support problems where you will coordinate with other NOC and operational staff to address break fix, minor configuration update, schedule add moves and changes, technology upgrades, and installs for network routers and switches. As an experienced Network team members, you will be expected to coordinate ticket acceptance … and resolutions. You will support the development of technical resolution reports for critical outages in the Network. Key Responsibilities Perform System patching and IAVA patches to network routers and switches Conduct approved minor network changes (vlan, ACL and port assignment) You will perform IOS and Software upgrades, switch and router installs, upgrades to ensure smooth operations of the More ❯

Sr. Network Administrator Position Overview: Nationwide IT Services (NIS) seeks a Senior Network Administrator to manage network infrastructure operations, maintenance, and administration across multiple enclaves, data centers, regional field offices, and AWS GovCloud environments. This role supports DCSA IT modernization and One IT initiatives to enhance flexibility and scalability in enterprise IT. Work Schedule … days a week if required. Work Hours: . Security & Certification Requirements: TS/SCI eligibility is required. IAT-II Certification (CCNA-Security, CySA+, CND, or Security+ CE). Applicable Network Environment (NE) Certification is required. Key Performance Objectives (KPOs) Network Operations & Administration Ensure 99.9% uptime across all managed networks. Implement and maintain secure, scalable, and optimized infrastructure. Support … cloud migrations and transitions from AT&T MPLS to DISA MPL Security & Compliance: Perform weekly/monthly patching & security updates, ensuring 100% compliance. Harden network systems per DoD DISA STIG guidance. Conduct vulnerability assessments and trend analysis to mitigate risks. Infrastructure & Asset Management Maintain bench stock of equipment to sustain optimized network operations. Ensure lifecycle maintenance & compliance with More ❯

TEKsystems is seeking a TS/SCI cleared Sr. Network Administrator that is CCNA certified here in Hawaii, in support a high level contract with software defined networking. Exciting, long term opportunity with cutting edge technologies and various projects. There is significant promotion and advancement potential within the contract. Before releasing any requirement, they try to promote from … team. Responsibilities include: • Be responsible as the Node Site Coordinator (IAW DISA Directives for Node Site Coordinators) for the Fort Shafter, Hawaii nodes; Pacific Region. • Responsible to provide the network with local site assistance/troubleshooting in case of any node hardware failure or circuit degradation or outages. • Responsible for the accountability of all node site equipment. • Coordinate and … processes related to these systems. • Provide support to IT systems including day-to-day operations, monitoring and problem resolution for all of the client/server/storage/network devices, mobile devices, etc. • Provide Tier 1 and Tier 2 problem identification, diagnosis and resolution of problem. • Provide support for the escalation and communication of status to agency management More ❯

prior to start date. U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance Security Clearance: TS/SCI with CI Poly - Current Sr. System Administrator - Network Operations Center -Springfield, VA, must have active TS/SCI CI Poly clearance, we offer relocation! This position will work a " Panama Schedule" for 24/… problems. To achieve the mission of our customers , we strive to empower people with authority and responsibility and provide access to tools and resources that enable this Sr. System Administrator- Network Operations Center employee to continuously improve their technical and leadership competencies while achieving professional and personal goals. What You Will Do : You will be supporting a Raytheon … program in a classified environment as a Network Operations Center (NOC) System Administrator. This position is responsible for monitoring the Infrastructure Service Provider (ISP) hosting equipment and services consisting of computers (server), networks, storage, and backup & archive, all in a fast-paced environment. Tasks include answering and managing calls in a 24x7 monitoring center, providing prompt and professional responses More ❯

Senior Network and Computer Systems Administrator-Alternate-Site Support On-site: Arlington, VA IPTA is passionate about providing our customers with technical solutions that satisfy their business needs. Through collaborative interactions with customers, team members, subject matter experts (SMEs), technical leaders, and partners we design practical solutions that solve real problems for major government and business organizations. … system, and networking problems. Schedules, performs, and monitors system backups and, when necessary, performs data recoveries. Responsibilities differ from those of an Operating Systems Programmer in that the Systems Administrator is not responsible for altering operating system's software codes. Recommends hardware and software upgrades according to growth statistics and disk space forecasts. Schedules, plans, and performs system upgrades More ❯

Description SENIOR NETWORK ADMINSTRATOR shall have a Bachelor's Degree in Computer Science (CS), Information Systems, or Network Engineering and at least five (5) years of demonstrable experience in network (LAN/WAN) configuration, monitoring, security, and protection. Or the individual shall have five (5) years of full time CS work that can be substituted for … the Bachelor' s degree and at least five (5) years of demonstrable experience in network (LAN/WAN) configuration, monitoring, security, and protection. IAT Level 2 Certification Required Requirements Active TS/SCI w/Polygraph security clearance required More ❯