L1 Network Support Engineer Job at NTT DATA (Prague)

Technical Support L1 & L2 Engineer

We are on the quest to find a new team member who will take over some of key res...

Location

Salary:

Not provided

Loriot

Expiration Date

Until further notice

Requirements

Holder of at least a bachelor's degree in Computer Science or related field, or have an equivalent, demonstrable, relevant work experience
Solid bases on network protocols (OSI model, RSA, VPN configuration)
Linux deep knowledge (console, troubleshooting)
Experience managing databases as (MongoDB, Redis, Postgresql, Elasticsearch)
Script development languages (Python, Bash)
Cloud architecture mindset
Customer success oriented
Systematic and analytical thinking
Fluent in English
3 to 4 years of experience in a similar role

Job Responsibility

Respond to customer inquiries and technical issues in a timely and professional manner
Provide technical guidance and support to customers using our LPWAN platform
Identify, diagnose, and troubleshoot technical issues related to our platform
Prioritize and manage several open issues at one time
Ability to provide step-by-step technical help, both written and verbal
Work collaboratively with cross-functional teams to resolve complex technical issues
Ensure customer satisfaction by following up with customers to confirm the successful resolution of technical issues
Support the creation of technical documentation and user manuals
Participate in product testing and validation activities
Stay up-to-date with industry trends and emerging technologies related to LPWAN and IoT

What we offer

Flexible compensation matching your experience, perks and benefits
Flat hierarchy and appreciation of individual work
Trust, autonomy, and space for personal initiatives
Visibility of your work world-wide
Partially remote work
Working with motivated, passionate people and an international environment
Working with exciting, state-of-the-art technology for the Internet of Things
Udemy unlimited access

Application Trading Support Engineer

The role of Application Trading Support Engineer carries responsibility for the ...

Location

China , Hong Kong

Salary:

Not provided

Barclays

Expiration Date

Until further notice

Requirements

Degree in an IT, Engineering or Mathematics-related discipline
Minimum of 5 years of related experience as application trade support engineer providing L1 and L2 support
Experience in a business facing application support role in Investment Bank
Strong knowledge of supporting applications on Unix platforms, fluent user of the command line
Exposure to network connectivity investigation and diagnostics
Experience of client and exchange connectivity platforms with exposure to exchange APIs and protocols
Experience Bash/Perl scripting and/or Python/Java programming and with Autosys scheduling

Job Responsibility

Provide support for QPS applications and ready to cover early morning APAC hours
Develop specialist knowledge in relevant systems, sharing that knowledge, as required, with global teams
Liaise with Business users and IT counterparts on potential process improvements
Liaise with development teams on future applications and improvements
Take ownership of issues through to resolution or escalation, as appropriate
Pro-actively improve the quality of systems and service, and increase business value
Undertake projects as required, including, but not restricted to, the following areas: - capacity and performance management, monitoring initiatives, infrastructure upgrades, web based tools, reporting and documentation
Ensure that all activities and duties are carried out in full compliance with regulatory requirements, Enterprise Wide Risk Management Framework and internal Barclays Policies and Policy Standards

What we offer

Competitive holiday allowance
Life assurance
Private medical care
Pension contribution

Fulltime

L1 Service Desk Engineer

We are hiring an L1 Service Desk Engineer to support in a multi-tenant, identity...

Location

Salary:

Not provided

Zazz

Expiration Date

Until further notice

Requirements

Strong understanding of Windows desktop troubleshooting
Knowledge of networking basics (VPN, DNS, connectivity)
Experience working in a structured service desk environment
Ability to perform remote diagnostics and guide end users effectively
Familiarity with authentication, password management, and user access workflows
Clear communication and professional client-handling skills
Strong documentation habits and attention to detail
Ability to follow processes, SOPs, and compliance guidelines consistently
Comfortable working in a multi-tenant, high-compliance environment
Ability to stay calm under pressure and handle multiple tasks simultaneously

Job Responsibility

Manage incoming tickets in the service desk queue
Create a ticket for every call or interaction
Classify issues using correct urgency and impact
Follow defined SLAs for response and resolution
Use standard greeting/closing scripts and follow structured ticket closure procedures
Document all actions, findings, and resolutions clearly
Locate and connect to user devices through the service desk’s remote access system
Perform common troubleshooting (login issues, password issues, network connectivity, performance, application errors)
Transfer files/logs as required and guide users through resolution steps
Use the backup remote support method only when the primary is unavailable

What we offer

Thriving work environment
Opportunities for continuous learning
Chance to work with some of the best minds in the industry

Fulltime

Engineering Resolution Team (ERT) Engineer

We are looking for a seasoned L3 TAC Network Engineer to join our elite GSD Orga...

Location

Mexico , Guadalajara

Salary:

Not provided

Hewlett Packard Enterprise

Expiration Date

Until further notice

Requirements

Bachelor’s degree in Computer Science, Engineering, or a related field
5+ years of experience in enterprise network support or TAC engineering
Strong understanding of Layer 2/3 protocols, wireless technologies, and network security
Hands-on experience with Aruba products (wired, wireless, NAC, and cloud platforms)
Familiarity with enterprise authentication protocols (802.1X, RADIUS, TACACS)
Proficiency with tools like Wireshark, packet capture, and network diagnostics
Excellent problem-solving skills and a customer-first mindset

Job Responsibility

Provide expert-level troubleshooting and resolution for critical issues escalated from L1 and L2 TAC engineers, partners, and enterprise customers
Resolve complex issues involving ArubaOS switches (CX and legacy), Aruba wireless LAN controllers and APs, Aruba ClearPass (NAC), Aruba Central (cloud-based network management), SD-Branch, SD-WAN, and EdgeConnect platforms
Reproduce customer issues in lab environments and provide detailed root cause analysis
Collaborate with HPE R&D, QA, and Product Management teams to identify and escalate software bugs and feature enhancements
Write and maintain high-quality technical documentation and knowledge base articles
Lead technical bridges for major incidents and manage communications with stakeholders
Participate in on-call rotation for critical customer support
Mentor L1 and L2 engineers and contribute to process and tool improvements

What we offer

Health & Wellbeing benefits
Personal & Professional Development programs
Unconditional inclusion culture

Fulltime

Network and Security Engineer

We are seeking a talented and experienced Network and Security Engineer to join ...

Location

United Kingdom , London

Salary:

Not provided

AWTG

Expiration Date

Until further notice

Requirements

Bachelor’s degree in computer science, Information Security, or a related field (or equivalent work experience)
Proven experience as a Network and Security Engineer or similar role, with focus on IP network design, implementation, T-shoot and mobile network security
Understanding of 3GPP mobile network CORE and RAN architectures and security requirements
Strong knowledge of network security protocols, VPN, firewall management, and intrusion detection systems
Experience with security tools such as SIEM, IDS/IPS, and vulnerability scanners
Familiarity with regulatory standards and frameworks (e.g., GDPR, HIPAA, ISO 27001)
In-depth understanding of routers, switches, firewalls, and switching/routing protocols – such as VLAN, VTP, STP, RSTP, MST, OSPF, EIGRP and BGP
Monitoring solutions which include PRTG, SolarWinds and Zabbix, and also, knowledge of Virtualization technology such as EXSi, KVM, Proxmox and Hyper-V
Excellent analytical and problem-solving skills with the ability to troubleshoot complex issues
Strong communication skills and the ability to work effectively in a team environment

Job Responsibility

Design, configure and implement highly scalable L2/L3 networks using varieties of protocols and vendor equipment
Monitor network traffic and analyse security incidents to detect and respond to threats within mobile network environments
Diagnose and troubleshoot network related issues associated with L1-L7 using varieties of tools, ensuring quick recovery and minimum network downtime
Carry out periodic backups of network device operating system and configurations to ensure timely restoration of critical network services
Design and implement network security solutions such as Policies, IPS, SSLVPN, IPSec VPN and security profiles using Next-Gen Firewalls (FortiGate/Palo-Alto)
Develop and apply network segmentation strategies to strengthen security and safeguard sensitive information within the core network
Work closely with other teams to establish and enforce network access policies, ensuring that only authorized individuals and devices have the correct access privileges
Conduct vulnerability assessments and penetration testing to identify and address security weaknesses in mobile network architectures
Develop and enforce security policies and procedures to ensure compliance with industry standards and regulations
Design and implement security protocols and solutions to protect network infrastructure

Fulltime

Site Reliability Engineering Support Lead

Site Reliability Engineering Support Lead role focused on application support, d...

Location

Ireland , Dublin

Salary:

Not provided

Citi

Expiration Date

Until further notice

Requirements

Solid SRE process experience
5+ years of Leading high-performance, 24x7, DevOps or SysOps team
Proficiency in Windows administration, Office 365, Exchange, SharePoint, Active Directory, Backup, Networking and Infrastructure
Experience with Microsoft OS Windows & Server
Experience in ticket tracking and resolving on time
Hands-on experience on ticketing tools (ServiceNow)
Excellent verbal, written, presentation and interpersonal communication skills
Ability to make complex technical matters easy-to-comprehend for non-technical persons.

Job Responsibility

Taking end-to-end Ownership of Application Support for Production Systems Issues resolution
Implementing, monitoring, and maintaining CI/CD frameworks
Developing new capabilities, coordinating implementation across a large number of teams including infrastructure, developer tools and information security
Influencing a culture of Site Reliability Engineering. Engaging in training and mentoring to help develop other engineers with SRE mind set
Providing the first line of after-deployment technical support at L1 and L2 level for applications and and/or associated production systems diagnostics, and network health monitoring
Coordination and/or for deploying hands-on fixes, patches and software updates at the application level, and as appropriate at the network level
Managing a team of technical support engineers who provide technical support to users
Escalating complex problems to the L3 level of expertise within organization, along with observations from investigative and diagnostic assessments
Co-ordinating in the investigation of repeated technical issues affecting user system and seeing through to resolution
Escalating, resolving, guiding team, and tracking production incidents to closure

What we offer

Competitive base salary (which is annually reviewed)
Hybrid working model (up to 2 days working at home per week)
Additional benefits to support you and your family to be well, live well and save well.

Fulltime

Engineering Resolution Team (ERT) Engineer

We are looking for a seasoned L3 TAC Network Engineer to join our elite GSD Orga...

Location

Mexico , Guadalajara

Salary:

Not provided

Hewlett Packard Enterprise

Expiration Date

Until further notice

Requirements

Bachelor’s degree in Computer Science, Engineering, or a related field
5+ years of experience in enterprise network support or TAC engineering
Strong understanding of Layer 2/3 protocols, wireless technologies, and network security
Hands-on experience with Aruba products (wired, wireless, NAC, and cloud platforms)
Familiarity with enterprise authentication protocols (802.1X, RADIUS, TACACS)
Proficiency with tools like Wireshark, packet capture, and network diagnostics
Excellent problem-solving skills and a customer-first mindset

Job Responsibility

Provide expert-level troubleshooting and resolution for critical issues escalated from L1 and L2 TAC engineers, partners, and enterprise customers
Resolve complex issues involving ArubaOS switches (CX and legacy), Aruba wireless LAN controllers and APs, Aruba ClearPass (NAC), Aruba Central (cloud-based network management), SD-Branch, SD-WAN, and EdgeConnect platforms
Reproduce customer issues in lab environments and provide detailed root cause analysis
Collaborate with HPE R&D, QA, and Product Management teams to identify and escalate software bugs and feature enhancements
Write and maintain high-quality technical documentation and knowledge base articles
Lead technical bridges for major incidents and manage communications with stakeholders
Participate in on-call rotation for critical customer support
Mentor L1 and L2 engineers and contribute to process and tool improvements

What we offer

Comprehensive suite of benefits that supports physical, financial, and emotional wellbeing
Specific programs catered to career development
Inclusive culture focused on innovation, customer success, and continuous learning

Fulltime

Engineering Resolution Team (ERT) Engineer

This role acts as the final escalation point for complex and high-priority techn...

Location

Mexico , Guadalajara

Salary:

Not provided

Hewlett Packard Enterprise

Expiration Date

Until further notice

Requirements

Bachelor’s degree in Computer Science, Engineering, or a related field
5+ years of experience in enterprise network support or TAC engineering
Strong understanding of Layer 2/3 protocols, wireless technologies, and network security
Hands-on experience with Aruba products (wired, wireless, NAC, and cloud platforms)
Familiarity with enterprise authentication protocols (802.1X, RADIUS, TACACS)
Proficiency with tools like Wireshark, packet capture, and network diagnostics
Excellent problem-solving skills and a customer-first mindset

Job Responsibility

Provide expert-level troubleshooting and resolution for critical issues escalated from L1 and L2 TAC engineers, partners, and enterprise customers
Resolve complex issues involving ArubaOS switches (CX and legacy), Aruba wireless LAN controllers and APs, Aruba ClearPass (NAC), Aruba Central (cloud-based network management), SD-Branch, SD-WAN, and EdgeConnect platforms
Reproduce customer issues in lab environments and provide detailed root cause analysis
Collaborate with HPE R&D, QA, and Product Management teams to identify and escalate software bugs and feature enhancements
Write and maintain high-quality technical documentation and knowledge base articles
Lead technical bridges for major incidents and manage communications with stakeholders
Participate in on-call rotation for critical customer support
Mentor L1 and L2 engineers and contribute to process and tool improvements

What we offer

Comprehensive suite of benefits supporting physical, financial and emotional wellbeing
Specific programs catered to helping you reach career goals
Unconditionally inclusive work environment
Flexibility to manage work and personal needs

Fulltime

L1 Network Support Engineer

NTT DATA

Location:
Czechia , Prague

Category:
IT - Administration

Contract Type:
Not provided

Salary:

Job Description:

Job Responsibility:

Requirements:

Additional Information:

Job Posted:
February 06, 2026

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Job Posted:
February 06, 2026