Permanent Senior Network Administrator Job Vacancies

13 of 13 Permanent Senior Network Administrator Jobs

Senior Network Administrator

Hounslow, London, United Kingdom
Hybrid / WFH Options
Ashdown Group
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 ❯
Employment Type: Permanent, Work From Home
Salary: £60,000
Posted:

Senior Network Administrator with Security Clearance

Herndon, Virginia, United States
ManTech International
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 ❯
Employment Type: Permanent
Salary: USD Annual
Posted:

Senior Network Administrator

Hounslow, England, United Kingdom
Hybrid / WFH Options
Ashdown Group
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. If your skills, experience, and qualifications match those in this job overview, do not More ❯
Posted:

Senior Network Analyst/Senior System Administrator with Security Clearance

Fort Belvoir, Virginia, United States
Agile Defense, Inc
advanced technologies, elite minds, and unparalleled agility-leveraging a foundation of speed, flexibility, and ingenuity to strengthen and protect our nation's vital interests. Requisition #: 763 Job Title: Senior Network Analyst/Senior System Administrator Location: Fort Belvoir, Virginia Clearance Level: Active DoD - Top Secret SCI Required Certification(s): • Microsoft Certified Solutions Expert(MCSE) and … Security Command (INSCOM), a Direct Reporting Unit to Headquarters, Department of the Army, G-2, conducting intelligence, security and information operations for military commanders and national decision makers. The Senior Network Analyst/Senior System Administrator is the senior technical expert for MS applications design, development and management. JOB DUTIES AND RESPONSIBILITIES • Accountable for all … security enclaves, travel, stand-alone networks and single purpose devices (i.e. Virus Scanners and Data Transfers). • Responsible for building and maintaining software sanctuary and deployment packages using SCCM. Senior technical expert for all VMWare systems/servers on all networks. • Responsible for server virtualization administration and maintenance for virtual environments. • Provides problem resolution for the supported infrastructure in More ❯
Employment Type: Permanent
Salary: USD Annual
Posted:

Sr Network Administrator with Security Clearance

Vicksburg, Mississippi, United States
TEKsystems c/o Allegis Group
troubleshooting • Previous experience working in a classified SIPR environment • Self-starter/Go-getter. Want someone looking for self growth Secondary Skills - Nice to Haves TACLANE Data center Infrastructure Network engineering Vpn Network architecture Job 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 USACE 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, at USACE locations throughout the CONUS and OCONUS locations. Analyze, plan, and propose network solutions to meet the as-is environment's bandwidth needs; scale appropriately in the event of a surge. Configure network to ensure highest security while providing efficient flow of data; manage installs, moves, adds, changes, and de-installs; maintain USACE network infrastructure IAW current technology standards and all applicable Federal and DoD regulations; provide support to accommodate More ❯
Employment Type: Permanent
Salary: USD Annual
Posted:

Senior Network Administrator / Engineer - TS/SCI with Polygraph with Security Clearance

Washington, Washington DC, United States
General Dynamics Information Technology
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 ❯
Employment Type: Permanent
Salary: USD Annual
Posted:

Senior Network Administrator with Security Clearance

Vicksburg, Mississippi, United States
TEKsystems c/o Allegis Group
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 ❯
Employment Type: Permanent
Salary: USD Annual
Posted:

Senior Network Administrator with Security Clearance

Fort Shafter, Hawaii, United States
TEKsystems c/o Allegis Group
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 ❯
Employment Type: Permanent
Salary: USD Annual
Posted:

Sr. Network Administrator with Security Clearance

Quantico, Virginia, United States
Nationwide IT Service, Inc
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 ❯
Employment Type: Permanent
Salary: USD Annual
Posted:

Sr Network Administrator with Security Clearance

Honolulu, Hawaii, United States
TEKsystems c/o Allegis Group
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 ❯
Employment Type: Permanent
Salary: USD Annual
Posted:

Sr. System Administrator- Network Operations Center- with Security Clearance

Springfield, Virginia, United States
RTX
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 ❯
Employment Type: Permanent
Salary: USD Annual
Posted:

Senior Network and Computer Systems Administrator-Alternate-Site with Security Clearance

Arlington, Virginia, United States
IPTA
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 ❯
Employment Type: Permanent
Salary: USD Annual
Posted:

Sr. Network Administrator with Security Clearance

Lehi, Utah, United States
FUSE Engineering
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 ❯
Employment Type: Permanent
Salary: USD Annual
Posted:
Senior Network Administrator
10th Percentile
£53,250
25th Percentile
£54,375
Median
£57,500
75th Percentile
£59,375
90th Percentile
£59,750