Network Infrastructure Specialist Jobs

Infrastructure Engineer - Network Specialist

We are currently recruiting an exciting opportunity on our IT Infrastructure tea...

Location

United Kingdom , London

Salary:

Not provided

Transact

Expiration Date

Until further notice

Requirements

A minimum of 5 years in a network infrastructure engineering role, ideally within Financial Services
Advanced experience with Azure Virtual Network (VNet) design (including subnetting, peering, and NSGs)
Extensive hands-on experience designing and managing Core and Top-of-Rack (ToR) switching environments, including resilience technologies like VSX or other MC-LAG protocols
Proven experience implementing network access control (NAC) and zero-trust principles
Working knowledge of configuration management and orchestration tools such as Ansible

Job Responsibility

Design, and deploy end-to-end network solutions, including LANs, WANs, WLAN and SD-WAN Solutions, both on-premise and within cloud infrastructure
Serve as the subject matter expert for all Azure networking components, leading integration, security, and governance efforts
Drive cross-functional collaboration, partnering closely with architecture, cybersecurity, and change delivery teams to ensure network designs and implementations are secure, compliant, and fully aligned with business and technical objectives
Drive network automation initiatives, identifying opportunities and implementing solutions (e.g. Ansible) to streamline provisioning, management, and monitoring
Manage and monitor networks, servers, and systems to ensure optimal performance. This includes troubleshooting network issues and performing regular maintenance and upgrades
Lead network security design and configuration to protect the organisation's data and systems, including setting up firewalls, VPNs, policy-based routing, and zero-trust network security principles
Translating High-Level Designs (HLDs) and business requirements into practical conceptual models, while taking full ownership for the creation, documentation, and implementation of detailed Low-Level Designs (LLDs)
Proactively managing the capacity and performance of the hybrid network infrastructure, with a focus on Data Center fabric scalability, and raising strategic design proposals for continuous improvement in line with business demands
Owning the network infrastructure lifecycle strategy, including vulnerability management, patching governance, and maintenance planning
Providing where necessary out of hours support of the IT systems

What we offer

company discretionary bonus
excellent pension contributions
an attractive staff share scheme
BUPA health insurance
buying and selling of annual leave
sponsorship of relevant professional qualifications

Fulltime

Infrastructure Security and Network Specialist

The Infrastructure Security and Network Specialist is a hands-on position respon...

Location

United States , Scottsdale

Salary:

Not provided

Computer Guidance

Expiration Date

Until further notice

Requirements

3+ years of enterprise Information Security experience is required
5+ years of network / firewall experience in a Cisco hardware environment is required
8+ years of technical experience in Windows server environment is required
8+ years of technical experience in Windows workstation environment is required
In-depth knowledge of security and risk frameworks (NIST 800-53, ISO-27001 etc.) required

Job Responsibility

Oversee, evaluate, and support the documentation, validation, assessment, and authorization processes necessary to assure that existing and new information technology systems meet the organization's cybersecurity and risk requirements
Ensure appropriate treatment of risk, compliance, and assurance requirements from internal and external perspectives
Analyze and develop the integration, testing, operation, and maintenance of system security
Develop new and/or enhance existing policies to support organizational cybersecurity initiatives
Respond to security events within the pertinent domain to mitigate immediate and potential threats. Use mitigation, response and recovery approaches, as needed, to maximize preservation of information security. Investigate and analyze all relevant response activities
Analyze digital evidence and investigate computer security incidents to derive useful information in support of system/network vulnerability mitigation
Network Security: Responsible for Firewalls, switches, IPS/IDS, Proxies, URL Filtering, IP Whitelist/Blacklisting, Geo-fencing, DDoS protection, VPNs, and other security technologies
System Security: Responsible for maintain existing structure or create new, secured environments. A thorough knowledge of Microsoft domains, including Active Directory, IIS, DHCP, DNS, Kerberos, Group Policy, Scripting, Patch Management, Endpoint Management, AV & EDR Tools, SNMP/WMI/Syslog management and monitoring
SIEM/SOC Security: Responsible for SIEM tools feeding SOC operations, including ongoing management, tuning, alert thresholds, initial investigation and validation of threats, and building functional reports to relay threat analytics to stakeholders in a digestible format

What we offer

Competitive salary
Company-paid healthcare coverage for individuals & their families
Work-from-home policies
Challenging work designed to leverage and rapidly expand your skill set

Infrastructure specialist

As our ICT Infrastructure Support Engineer, you will play a crucial role in supp...

Location

Netherlands , Rijswijk

Salary:

Not provided

Euro Pool System

Expiration Date

Until further notice

Requirements

Minimum of 4 years of experience of working in ICT infrastructure engineering
Secondary Vocational education degree in Information or equivalent education
Medior skills on Microsoft: Windows 10/11, Office 365, Azure, Intune, teams
Networking: Wi-Fi-hotspots, LAN/WAN networking, network printing TCP/IP, firewalls, ICT Security
Project administration skills
Willing and able to travel to provide onsite support throughout Europe
Excellent verbal and written communication skills in English and Dutch

Job Responsibility

Support and maintain technical ICT infrastructure alongside ICT provider
Ensure optimal functioning of modern workplace with Office 365 and Intune, and network LAN and WAN (Cisco Meraki)
Provide hands-on support to business and partners for connection requests
Provide hands-on support to users in Head Office and throughout Europe
Collaborate with ICT partners to maintain on-premises and cloud (Azure) infrastructures
Install, configure, and maintain workstations, laptops, and servers
Assist with LAN and WAN changes
Plan maintenance activities, conduct health checks, and oversee contractor and vendor service quality
Analyse and troubleshoot incidents
Execute test plans for system upgrades or releases

What we offer

A competitive salary and a good pension scheme
25 vacation days per year (based on fulltime employment)
Many opportunities to develop yourself within the organization

Fulltime

IT Specialist – Client Networking and Cybersecurity Consultant

This position will play a pivotal role in advising clients on optimizing their w...

Location

United States , Central Indiana

Salary:

Not provided

Wessler Engineering

Expiration Date

Until further notice

Requirements

Bachelor’s degree in Computer Science, Information Technology, or a related field
Proven experience in client networking and cybersecurity consulting
Strong knowledge of networking principles, including TCP/IP, DNS, DHCP, and VLANs
Proficiency in configuring and managing networking equipment such as routers, switches, and access points
Experience with cybersecurity tools and technologies, including antivirus software, intrusion detection systems, and penetration testing tools
Excellent problem-solving skills and the ability to analyze complex technical issues
Strong communication and interpersonal skills, with the ability to build rapport with clients and work effectively in a team environment

Job Responsibility

Conduct thorough assessments of clients’ existing network infrastructure and cybersecurity posture
Collaborate with clients to understand their business objectives and tailor networking and cybersecurity solutions to meet their specific needs
Design and implement secure network architectures, including firewalls, VPNs, and intrusion detection systems
Perform security audits and vulnerability assessments to identify and address potential weaknesses in clients’ systems
Provide support and troubleshooting for network and cybersecurity issues, ensuring minimal disruption to clients’ operations
Inform and advise on the latest developments in networking technologies and cybersecurity threats, and make recommendations for continuous improvement
Educate clients on cybersecurity best practices and provide training to their employees as needed
Communicate effectively with clients to explain technical concepts and recommendations in a clear and concise manner

Network Specialist

We are working with a leading quantitative investment firm to hire an experience...

Location

United Kingdom , London

Salary:

150000.00 GBP / Year

Hunter Bond

Expiration Date

Until further notice

Requirements

7+ years of enterprise network engineering experience, ideally within high-performance or latency-sensitive environments
Expertise in core routing and switching protocols: OSPF, BGP, EVPN, STP, MLAG/vPC, VLAN/VxLAN
Proficiency in multicast technologies: PIM, IGMP, MSDP, SSM
Strong familiarity with Cisco and Arista platforms
Proven experience with data center and office network buildouts
Deep understanding of network security concepts: AAA, control planes, device hardening
Cloud networking experience (AWS, Azure, or GCP)
Strong scripting and automation capabilities (Python, Ansible, Git)
Familiarity with observability and orchestration tools (Prometheus, CVP, Elastic, Grafana)
Relevant certifications: CCNP required, CCIE preferred

Job Responsibility

Architect and implement deterministic, highly available network infrastructure across LAN, WAN, data center, and cloud environments
Translate complex business and technical requirements into resilient and scalable network designs
Lead end-to-end project delivery, including planning, execution, and vendor coordination
Evaluate emerging technologies to enhance performance, security, and operational efficiency
Provide escalation support (L3) for critical incidents affecting network performance or availability
Contribute to automation and monitoring initiatives, continuously improving network observability and reliability
Produce high-quality documentation and network diagrams to support operational transparency and future development

What we offer

Bonus/Perks

Fulltime

Infrastructure systems specialist

The System Specialist is an entry level role responsible for assisting with LAN ...

Location

India , Chennai

Salary:

Not provided

Citi

Expiration Date

Until further notice

Requirements

1-3 years of prior work experience in a related field
Demonstrated technical knowledge
Ability to work in a team oriented environment
Effective written and verbal communication skills
High School diploma or equivalent

Job Responsibility

Resolve basic to moderately complex end user problems, escalating as needed
Work with engineering and/or applications development area(s) to resolve more complex issues
Simulate or recreate user problems to resolve operating difficulties
Operate and monitor console systems and equipment such as printers, disk drives and tape readers
Maintain records and production reports
Provide informal technical assistance / training to new team members
Select appropriate procedures to resolve various issues
Exchange moderately complex information within team and with others
Appropriately assess risk when business decisions are made, demonstrating particular consideration for the firm's reputation and safeguarding Citigroup, its clients and assets, by driving compliance with applicable laws, rules and regulations, adhering to Policy, applying sound ethical judgment regarding personal behavior, conduct and business practices, and escalating, managing and reporting control issues with transparency

Fulltime

Client Service Specialist - IT Networking

Atris Technology seeks a cheerful client and network support specialist for full...

Location

United States , Gainesville

Salary:

Not provided

Atris Technology

Expiration Date

Until further notice

Requirements

High School Diploma or Equivalent
Valid Florida Drivers License
2 Years IT support Experience
CompTIA A+ and Net+ Certifications a plus
Professional appearance and telephone presence
Excellent oral and written communication skills
Customer first attitude
At least 2 years experience in an IT environment
Drive to learn new technologies
Ability to perform under pressure

Job Responsibility

Telephone support
Email support
On-site support
Remote implementation of custom software, hardware and networks at local and remote customer sites
On-site implementation of custom software, hardware, and infrastructure equipment at local and remote customer sites
User training
Documentation as necessary
Business related travel
Software testing
Implementation and support of custom software, hardware and networks

What we offer

Strong compensation package
Career growth position

Fulltime

Network Operations Center Specialist

We are seeking a dedicated and detail-oriented Network Operations Center (NOC) S...

Location

Poland , Łódź

Salary:

Not provided

Robert Bosch Sp. z o.o.

Expiration Date

Until further notice

Requirements

Primary support for WAN, LAN, WiFi issues
Familiarity with IT Network basic topics
Knowledge of IT infrastructure
Proficiency in English language
Good communication skills
Team player (international environment)
Stress-resistance
Willingness to learn

Job Responsibility

Solving, escalating and tracking of system incidents according to the defined Service Levels
Analyzing, assessing and investigating alerts, warnings and errors generated by the corporate IT systems, applications and infrastructure components and issued by users
Performing operational tasks connected with corporate IT infrastructure (Remote Infrastructure Management)
Cooperation with other support teams within entire organization
Building-up and contributing to Knowledge Base

What we offer

Competitive salary + annual bonus
Hybrid work with flexible working hours
Referral Bonus Program
Copyright costs for IT employees
Complex environment of working, professional support and possibility to share knowledge and best practices
Ongoing development opportunities in a multinational environment
Broad access to professional trainings (incl. language courses), conferences and webinars
Private medical care and life insurance
Cafeteria System with multiple benefits (incl. MultiSport, shopping vouchers, cinema tickets, etc.)
Prepaid Lunch Card

Fulltime

Network Infrastructure Specialist

Hewlett Packard Enterprise

Location:
United States, Spring

Category:
IT - Software Development

Contract Type:
Not provided

Salary:

Job Description:

Job Responsibility:

Requirements:

Nice to have:

Additional Information:

Job Posted:
June 04, 2025

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