Network Security Engineer Job at NTT DATA (Diegem)

Performance Test Engineer, Network Security Cloud

We are seeking an experienced performance test engineer to validate the performa...

Location

United States of America , North America

Salary:

125000.00 - 153000.00 USD / Year

Corelight

Expiration Date

Until further notice

Requirements

3+ years as a quality engineering professional
2+ years performance/scalability/reliability (PSR) testing of network or distributed systems
2+ years professional coding (Python or Go preferred)
1+ year Ixia or Spirent or T-rex traffic generators experience
1+ years of network security
Effective communication skills, team spirit, problem-solving, positive attitude
Self-Starter – Continue to look for areas of possible improvement to assist business partners in achieving their goals

Job Responsibility

Validate the performance, reliability and scalability of the Corelight network sensor with a focus on testing in virtual and cloud environments at scale
Isolate the origin of issues from Linux network processing to traffic mix through to detection packages and exporting
Provide dashboards and self-service tooling for collaborators to confirm results in a fully automated fashion
Analyze and debug complex system performance issues, identify bottlenecks and optimize product/service performance to improve user experience
Collaborate with developers, engineering leaders and product managers on regular basis to review performance metrics
Support extended teams in troubleshooting problems

What we offer

Equity and additional benefits

Fulltime

Security Network Engineer

The successful candidate will be based in North, New Jersey and will play a cruc...

Location

United States , Newark, NJ

Salary:

Not provided

Robert Half

Expiration Date

Until further notice

Requirements

Implement and maintain security systems, focusing on Cisco Security products such as ASA firewalls, ISE, SourceFire, StealthWatch, and LANCope
Ensure understanding and application of security concepts such as S2S/RA, VPN, ACLs, NAT, VLANs, and ACS
Apply knowledge of network access control (NAC) systems, intrusion prevention systems, information security methodologies, and authentication protocols
Manage and respond to security incidents, leveraging experience with SIEM, vulnerability management, penetration testing, and log management products
Uphold network security standards and best practices, providing support to the Network team as required
Use skills in Border Gateway Protocol (BGP), Checkpoint, Cisco ASA, Cisco ASA Firewall, and Cisco Routers
Employ abilities in Authentication, Check Point, Checkpoint Firewall, Computer Hardware, and Configuration Management
Maintain the integrity of the network, ensuring the secure operation of all systems
Continually monitor the security landscape, staying up-to-date with the latest threats and security best practices
Assist in the design and implementation of network security policies and procedures

Job Responsibility

Implement and maintain security systems, focusing on Cisco Security products
Ensure understanding and application of security concepts
Apply knowledge of network access control (NAC) systems, intrusion prevention systems, information security methodologies, and authentication protocols
Manage and respond to security incidents
Uphold network security standards and best practices
Use skills in Border Gateway Protocol (BGP), Checkpoint, Cisco ASA, Cisco ASA Firewall, and Cisco Routers
Employ abilities in Authentication, Check Point, Checkpoint Firewall, Computer Hardware, and Configuration Management
Maintain the integrity of the network
Continually monitor the security landscape
Assist in the design and implementation of network security policies and procedures

What we offer

medical
vision
dental
life and disability insurance
401(k) plan

Fulltime

Network Security Engineer

This position involves working within Hewlett Packard Enterprise's innovative IT...

Location

India , Bangalore

Salary:

Not provided

Hewlett Packard Enterprise

Expiration Date

Until further notice

Requirements

BSc / BCA / BE / MCA / MSc or equivalent
Min 5 years of industry experience as a Network Security engineer on Design, Implementation, and troubleshooting multivendor network devices
Network Security (multi-vendor) experience - Cloud security (Native security controls in AWS / Azure / GCP) & security tool implementation in cloud platform will be an added advantage
Troubleshoot and fix high priority issues related to Firewalls, Load balancers, IPS/IDS, Proxy, Switching, Routing
Knowledge and experience in Incident, Change, Problem, Service request and Configuration Management Processes
Good understanding of enterprise-level Security-based infrastructure systems planning, operations, and maintenance
Good knowledge on Load Balancers monitoring, firmware upgrade, SSL offloading
Strong communication skills (written, verbal), problem-solving skills
Experience with Firewalls, Routers, Switches, Load balancers (LLB+SLB), Proxy systems, VPNs, Content Filtering, UTM, SIEM/SIM products, EDR products, and AAA services.

Job Responsibility

Day-to-day administration of network firewalls, Routers, Switches, Load balancers (LLB+SLB), and proxy systems
Ensure all Business-Critical Systems are monitored and escalate issues
Troubleshoot Site-to-Site VPN, Proxy-related issues & End-user remote access VPN issues
Document Pre & Post implementation logs
Work on assigned tickets within agreed Timeline/SLA
Upskill current technical knowledge through learning and certifications
Involve in change management processes for hardware replacement, config changes, etc.
Provide detailed Root cause summaries for Problem tickets.

What we offer

Comprehensive suite of benefits supporting physical, financial and emotional wellbeing
Investment in personal and professional development
Unconditional inclusion in the workplace.

Fulltime

Network Security Engineer

This role involves managing and troubleshooting network security infrastructure,...

Location

India , Bangalore

Salary:

Not provided

Hewlett Packard Enterprise

Expiration Date

Until further notice

Requirements

Min 5 years of industry experience as a Network Security engineer on Design, Implementation and troubleshooting multivendor network devices
Knowledge and experience in Incident, Change, Problem, Service request and Configuration Management Processes
Good understanding on Firewall and experience in handling security concepts using CMD line and CSM/GUI/Smart console
Good knowledge on Load Balancers monitoring and troubleshooting
Troubleshoot Site to Site VPN and Proxy related issues
Working on the assigned tickets within the agreed Timeline/SLA
Upskilling current technical knowledge by learning new Technologies on the job and obtaining relevant technical certifications
Strong communication skills
Client service-oriented and solution-oriented
Able to communicate fluently in English

Job Responsibility

Day-to-day administration of network firewalls, Routers, Switches, Load balancers, and proxy systems
Ensure all Business-Critical Systems are monitored and managed according to priority
Handle escalation calls and resolve issues
Work with HW Vendors/TAC for SW/HW related issues
Involve in change management process for HW replacement/ IOS upgrade/ Config change
Monitor ticket queue and maintain regular updates
Document pre & post-implementation logs & script for change
Design and update network diagrams.

What we offer

Health & wellbeing benefits
Personal & professional development programs
Inclusive environment celebrating individual uniqueness.

Fulltime

Network Security Engineer

HPE Operations is our innovative IT services organization. It provides the exper...

Location

India , Bangalore

Salary:

Not provided

Hewlett Packard Enterprise

Expiration Date

Until further notice

Requirements

Good knowledge on Load Balancers monitoring and troubleshooting, firmware upgrade, SSL offloading, Link Load Balancing Monitors, SLB’s, Service Weights & Service Groups
Troubleshoot and fix high priority issues related to Firewalls, Load balancers, IPS/IDS, Proxy, Switching, Routing
Work with the HW Vendors/TAC for the SW/HW related issues and provide the required fix
Troubleshoot Site to Site VPN (IPSEC/ GETVPN/ GRE/MGRE), Proxy related issue (In-house/Cloud Hosting) & End user remote access VPN issues
Involve in change management process for HW replacement/ IOS upgrade/ Config change/ BW upgrade/ Whitelisting or Blacklist URLs & FW Rule addition etc
Knowledge and experience in Incident, Change, Problem, Service request and Configuration Management Processes (ITIL certification is an added advantage)
Monitor the queue and maintain regular updates on the Tickets as per agreed SLAs, providing the detailed closure summary on the tickets
Detailed Root cause summary to be documented for the Problem tickets
Document Pre & Post implementation logs & Script for change
Network Diagram Design, Documentation and updates

Job Responsibility

Troubleshoot and fix high priority issues related to Firewalls, Load balancers, IPS/IDS, Proxy, Switching, Routing
Work with the HW Vendors/TAC for the SW/HW related issues and provide the required fix
Troubleshoot Site to Site VPN (IPSEC/ GETVPN/ GRE/MGRE), Proxy related issue (In-house/Cloud Hosting) & End user remote access VPN issues
Involve in change management process for HW replacement/ IOS upgrade/ Config change/ BW upgrade/ Whitelisting or Blacklist URLs & FW Rule addition etc
Monitor the queue and maintain regular updates on the Tickets as per agreed SLAs, providing the detailed closure summary on the tickets
Detailed Root cause summary to be documented for the Problem tickets
Document Pre & Post implementation logs & Script for change
Network Diagram Design, Documentation and updates
Working on the assigned tickets within the agreed Timeline/SLA as per the Ticket Priority/Severity and Adhere to the ITIL process with zero noncompliance
Upskilling current technical knowledge by learning new Technologies on the job and obtaining relevant technical certifications

What we offer

Health & Wellbeing
Personal & Professional Development
Unconditional Inclusion

Fulltime

Network & Security Engineer

Sopra Steria offers tailored technology and software solutions for digital trans...

Location

Belgium , Flanders/Brussels

Salary:

Not provided

Sopra Steria

Expiration Date

Until further notice

Requirements

Bachelor’s degree in computer science or a relevant equivalent
At least 2 years of experience as a Network Engineer
CCNA certification is a requirement, CCNP is a plus
Working knowledge of network security measures such as Firewall, network access control
Good knowledge of TCP/IP, DNS, DHCP, Proxy, IPSec, SSL and SNMP certificates
General basic knowledge of infrastructure such as server virtualization (VMware and Hyper-V), but also Linux (administration), IaaS environments, backup and disaster recovery
Fluent in English and Dutch/French

Job Responsibility

Automating and maintaining systems
Optimizing infrastructure and aligning cloud systems to serve business goals
Monitoring network traffic and conducting regular security audits
Managing firewalls, intrusion detection systems, and encryption technologies
Designing, implementing, and supporting scalable cloud environments
Streamlining deployment processes
Staying updated on the latest security and compliance regulations
Collaborating with other IT professionals and responding promptly to incidents

What we offer

Mobility options including a company car
Insurance coverage
Meal vouchers
Eco-cheques
Continuous learning opportunities through the Sopra Steria Academy
Access to more than 250 trainings
Opportunities to work among high-level professionals and on impactful projects
Team events

Fulltime

Network & Security Engineer

Network & Security Engineer role at Hewlett Packard Enterprise focusing on desig...

Location

India , Bangalore

Salary:

Not provided

Hewlett Packard Enterprise

Expiration Date

Until further notice

Requirements

4+ years of experience in network and security engineering
Strong knowledge of TCP/IP, DNS, DHCP, VPN, and routing protocols
Hands-on with firewalls (Palo Alto, Fortinet, Check Point), load balancers (F5, HAProxy)
Experience with SIEM/SOAR platforms and log monitoring tools
Familiarity with cloud networking (AWS, Azure, GCP)
Scripting/automation knowledge (Python, Bash, Ansible) is an advantage
Bachelor's degree in Computer Science, IT, Networking, or related field
Preferred certifications: CCNA/CCNP/CCSP, Fortinet NSE/Palo Alto PCNSE, Cloud networking/security certifications (AWS, Azure, GCP)

Job Responsibility

Configure and manage LAN, WAN, VPN, and firewall environments
Maintain routing, switching, and load balancing for enterprise networks
Troubleshoot network performance issues and optimize throughput
Manage firewalls, IDS/IPS, WAF, and network security appliances
Implement and monitor network access controls, RBAC, and Zero Trust policies
Support vulnerability scanning, patching, and remediation activities
Configure and secure cloud networking services (AWS VPC, Azure VNets, GCP VPC)
Apply security groups, NACLs, and micro-segmentation in cloud-native platforms
Integrate on-premises and cloud networks securely
Monitor network traffic for anomalies and potential threats

What we offer

Health & Wellbeing benefits
Personal & Professional Development programs
Unconditional Inclusion environment
Comprehensive suite of benefits supporting physical, financial and emotional wellbeing

Fulltime

Network Security Engineer

The Network Security Engineer will be responsible for architecting, implementing...

Location

United States , Palo Alto

Salary:

139340.00 - 160000.00 USD / Year

1X Technologies

Expiration Date

Until further notice

Requirements

Bachelor’s degree in Computer Science, Information Technology, or related field, or equivalent experience
Minimum 5 years of experience in network architecture, design, security, and troubleshooting
Solid expertise in wireless network security, including configuration and implementation
Strong knowledge of secure network design concepts (e.g. IPSEC, TLS), routing protocols (IGP & EGP), and hybrid (on‑prem / cloud) network environments
Proven experience with designing and managing secure network architectures across cloud providers and data centers
Excellent analytical and problem‑solving skills
ability to diagnose and resolve complex network security issues
Strong communication and interpersonal skills
ability to collaborate effectively across teams
Experience with RADIUS configuration and deployment

Job Responsibility

Architect, design, and implement secure and optimized network solutions for corporate offices, cloud infrastructure, data centers, and other 1X‑operated sites
Manage and execute site builds, including secure office network deployments
Secure, configure, implement, and manage wireless network environments, ensuring adherence to wireless network security best practices
Troubleshoot wired, wireless, and service provider connectivity issues to ensure maximum availability and performance
Continuously optimize network performance, scalability, reliability, and security
Collaborate with IT, business, and operations teams to define requirements and deliver robust networking solutions
Develop and maintain comprehensive documentation including network diagrams, configurations, procedures, and policies
Travel occasionally, both locally and domestically, to support site deployments or audits as needed

What we offer

Health, dental, and vision insurance
401(k) with company match
Paid time off and holidays

Fulltime

Network Security Engineer

NTT DATA

Location:
Belgium , Diegem

Category:
IT - Administration

Contract Type:
Not provided

Salary:

Job Description:

Job Responsibility:

Requirements:

Additional Information:

Job Posted:
January 26, 2026

Looking for more opportunities? Search for other job offers that match your skills and interests.

Similar Jobs for Network Security Engineer

Performance Test Engineer, Network Security Cloud

Security Network Engineer

Network Security Engineer

Network Security Engineer

Network Security Engineer

Network & Security Engineer

Network & Security Engineer

Network Security Engineer

Network Security Engineer

NTT DATA

Location:Belgium , Diegem

Category:IT - Administration

Contract Type:Not provided

Salary:

Job Description:

Job Responsibility:

Requirements:

Additional Information:

Job Posted:January 26, 2026

Looking for more opportunities? Search for other job offers that match your skills and interests.

Similar Jobs for Network Security Engineer

Performance Test Engineer, Network Security Cloud

Security Network Engineer

Network Security Engineer

Network Security Engineer

Network Security Engineer

Network & Security Engineer

Network & Security Engineer

Network Security Engineer

Location:
Belgium , Diegem

Category:
IT - Administration

Contract Type:
Not provided

Job Posted:
January 26, 2026