DevOps Network & Security Engineer Job at NTT DATA (Antony)

Network and Security DevOps Engineer

The Network and Security DevOps Engineer will be responsible for designing and s...

Location

France , Antony

Salary:

Not provided

NTT DATA

Expiration Date

Until further notice

Requirements

Deep understanding of RoCE v2, InfiniBand, and high-speed networking protocols
Experience with Dell/NVIDIA GPU infrastructure and switch management (Z9432F, S5248F)
Strong background in network security technologies and RDMA-aware security practices
Familiarity with OpenShift, Kubernetes, and container networking
Proven experience in network engineering: TCP/IP, routing, switching, VPN, VLANs, firewalls
Strong background in network security technologies (firewall palo alto)
Good knowledge of architecture and technologies of QoS for High-performance Datacenter (marking, Queing, WRED, smart/adaptative buffering, smart ECMP/multi-path load-balancing…etc…), and of lossless fabrics for AI/ML environnement AI/ML : PFC, DCQCN, le « RoCE Adpatative Routing », NVDIA etc…
Familiarity with AI/ML pipeline security and GPU orchestration platforms (RUN:AI, NVIDIA Enterprise)
Experience scripting with Python, Bash, or PowerShell
Understanding of web services, APIs, and HTTP security concepts

Job Responsibility

Design, deploy, and secure high-throughput network architectures supporting RoCE v2 fabrics for AI/ML workloads
Manage Dell/NVIDIA-based GPU networking environments, including backend and frontend switch configurations (e.g., Z9432F, S5248F)
Design, deploy, and manage secure, scalable network architectures (LAN/WAN, firewall Palo alto)
Implement and maintain network security controls across RDMA-enabled fabrics, ensuring isolation and integrity of GPU clusters
Manage DC fabrics like VXLAN-EVPN
Implementation of QoS for DC environment with very high performance (marking, Queing, WRED, smart/adaptative buffering, smart ECMP/multi-path load-balancing…etc…)
Configure and maintain network security devices including firewalls Palo Alto
Monitor and analyse traffic across 400G/800G fabrics using telemetry tools
Respond to security incidents, conduct root cause analysis, and support forensic investigations
Ensure compliance with industry security standards and regulatory requirements

Fulltime

Senior Cloud Network Security Engineer

The Senior Cloud & Network Security Engineer will be responsible for designing, ...

Location

Qatar , Doha

Salary:

Not provided

Codvo AI

Expiration Date

Until further notice

Requirements

Bachelor's degree in Computer Engineering, Cybersecurity, Information Systems, or related field
10+ years of experience in network and infrastructure security within large-scale enterprise IT or OT environments
Proven expertise in: Routing and switching (Cisco, Juniper, or equivalent)
Enterprise firewalls (Palo Alto, Fortinet, Cisco ASA)
Load balancers (F5, Azure Application Gateway, NGINX Plus)
Web Application Firewalls (WAF) and reverse proxy systems
VPN, IPSec, SSL/TLS, and Zero Trust network architectures
Cloud networking and security (Azure, GCP)
Network automation (Terraform, Ansible, ARM templates)
Experience with SIEM, SOAR, and threat intelligence platforms (e.g., Azure Sentinel, Chronicle, Splunk)

Job Responsibility

Design, deploy, and manage secure enterprise network architectures spanning on-premises data centers, field assets, and multi-cloud environments (Azure and GCP)
Configure and maintain routing and switching infrastructure, including VLANs, BGP, OSPF, and WAN/LAN connectivity
Manage enterprise firewalls, VPNs, load balancers (F5, Azure Application Gateway), WAFs, and IDS/IPS systems to ensure end-to-end network security
Implement and enforce network segmentation, access control lists (ACLs), and zero trust network policies to secure sensitive environments
Ensure availability, performance, and scalability of network services through continuous monitoring, optimization, and proactive capacity planning
Integrate network telemetry and logs into enterprise SIEM platforms to support threat detection, visibility, and response
Collaborate with DevOps, Cloud, and Infrastructure teams to embed security principles within all network and infrastructure deployments
Ensure compliance with internal cybersecurity frameworks and external standards such as ISO 27001, NIA Qatar, and energy sector security mandates
Design and enforce cloud network topologies and security configurations using native controls such as Azure Virtual Networks, Network Security Groups (NSGs), Firewalls, Private Endpoints, and Google VPC Service Controls
Secure interconnectivity between on-premises and cloud through ExpressRoute, VPN gateways, and hybrid peering

Fulltime

Network Security Engineer

Join a large-scale transformation program within the energy sector, focused on b...

Location

Germany , Frankfurt am Main

Salary:

Not provided

Cyclad Sp. z o.o.

Expiration Date

Until further notice

Requirements

Senior-level experience in Security Engineering and Delivery within enterprise and large-scale data center environments
Strong expertise in designing secure network architectures (LAN/WAN, Zero Trust, network segmentation/micro-segmentation)
Proven experience leading security assessments, projects, and policy development
Hands-on experience with network security technologies: Firewalls (Palo Alto, Checkpoint, Fortinet, Cisco), IDS/IPS, NAC, proxies, VPNs, Load balancers (F5, A10, Radware), SD-WAN, DDoS protection, SASE, Network virtualization (VXLAN/EVPN, SDN, ACI, NSX)
Strong troubleshooting and network performance optimization skills
Solid knowledge of DNS architecture and experience with: Infoblox or similar platforms, Linux-based DNS (e.g., BIND), Enterprise/hybrid DNS management
Experience with automation (Ansible) and scripting (Python)
Familiarity with security and compliance standards (ISO 27001, NIST, GDPR, SOC2)
Experience working in cross-functional environments with multiple stakeholders
Fluent English (C1 or higher)

Job Responsibility

Design and implement secure infrastructure solutions in line with architectural and operational requirements
Develop and execute detailed security deployment plans, including timelines, phases, and required resources
Configure and deploy security solutions, ensuring alignment with best practices and defined security standards
Build and maintain script-based and automated security implementations to improve efficiency and reduce manual errors
Create and maintain comprehensive technical documentation, including configurations, protocols, and decision rationale
Continuously update documentation to reflect system changes and improvements
Monitor and validate implementation processes to ensure effectiveness and alignment with organizational goals
Identify gaps, inefficiencies, and risks, and propose corrective and optimization actions
Collaborate with Architects, DevOps teams, and other stakeholders to ensure a security-by-design approach
Support auditability and compliance by maintaining clear documentation and process traceability

What we offer

Private medical care with dental care (covering 70% of costs). Family package option possible
Multisport card (also for an accompanying person)
Life insurance
Work with talented engineers on large-scale, technically challenging projects

Fulltime

Senior Network DevOps Engineer

We are seeking a skilled Senior Network DevOps Engineer who will be responsible ...

Location

Australia , Sydney

Salary:

Not provided

FinXL

Expiration Date

Until further notice

Requirements

Senior Network DevOps Engineer background
Terraform Certified with deep knowledge of the HashiCorp toolset - Vault, Terraform, Packer
Experience in deploying Terraform in highly secure, multi-datacentre environments
Experience in Cisco networking infrastructure covering both Local Area Networks - LANs and Wide Area Networks WANs
Experience in Firewalls Cisco and/or Palo Alto & applicable management tools to manage ie Cisco Security Manager (CSM)
Experience in data-voice-video infrastructure experience
Experience in Python and relevant scripting languages to automate activities
Experience Network management tools - ie Cisco DNA Centre, Statseeker & Infoblox
Experience in applying DevOps principles, drive automation using Infrastructure as Code (IaC) via Terraform
Experience in the provisioning, maintenance, security hardening, capacity planning and performance testing of network (data, storage) systems infrastructure

Job Responsibility

Responsible for the transition and operationalisation of the new infrastructure platforms currently being implemented

Network Security Engineer

Airbus Helicopters Information Management is looking for a dynamic, skilled and ...

Location

Spain , Albacete

Salary:

Not provided

Airbus

Expiration Date

Until further notice

Requirements

Between 3 and 5 years of experience as a Network Security Engineer implementing and operating enterprise level networking and security equipment
Bachelor’s degree or higher in computer science or electronics and communication engineering
Experience in network security is mandatory (Checkpoint, Palo Alto, Stormshield, Proxies and Cisco ASA firewalls)
Experience designing and building complex data center network with Software Defined Networking (SDN) solutions such as Cisco ACI and Cisco SDA would be appreciated
Knowledge of DevOps & CI/CD tech & tooling such as Git, Ansible, Terraform etc.
Experience using APIs, REST and SOAP web services
Programming & scripting experience (examples: Python, YAML, JSON)
Understanding of IT services (Active Directory, SCCM, IAM, ..) and Virtualization technologies (vmWare and Microsoft Hyper-V)
Good understanding of monitoring & logging tools along with the underlying principles
Knowledge of cybersecurity challenges and the basics of how to protect against threats

Job Responsibility

Manage and support all subsidiaries worldwide from Network Security point of view
Security means configuration (Firewalls, Proxies, Wan Accelerators, VPN, SASE, ZTNA,..)
Networking and IP Management (IPAM, monitoring tools, CMDB)
Infrastructure, networking and security issues root cause analysis and remediation in a time critical environment
Plan for future growth needs in advance
Automate security configuration and management using Ansible and Git
Write of technical documentation of new and existing network designs, implementations, processes and tooling
Support other applications or projects

What we offer

Vacation days plus additional days-off along the year (Apróx. 35 days per year in total)
Attractive salary
Hybrid model of working
Collective transport service subject to working calendar/home location
Benefits such as life insurance, health insurance, employee stock options, retirement plan, or study grants
On-site facilities (among others): free canteen, kindergarten, medical office
Possibility to collaborate in different social and corporate social responsibility initiatives
Excellent upskilling opportunities and great development prospects in a multicultural environment
Option to access special rates in products & benefits

Fulltime

Network Security Engineer

As a Network Security Engineer at OpenAI, you will play a critical role in archi...

Location

United States , San Francisco

Salary:

293000.00 - 342000.00 USD / Year

OpenAI

Expiration Date

Until further notice

Requirements

Strong experience with Cisco IOS, Cisco Meraki, Palo Alto or similar Enterprise network vendors
Strong Routing and Switching experience including routing protocols (BGP, OSPF and MPLS)
Experience with Network monitoring tools/protocols and logging pipelines like SNMP, Syslog, Netflow, Elasticsearch (ELK Stack) and Grafana
Strong understanding of network security principles including ACLs, Firewalls, VPN, 802.1x authentication, profiling and RBAC
Proficiency in a modern programming language (Python, Golang, Ruby, etc.)
Strong knowledge of and experience with cloud platforms (Azure, AWS, GCP) and infrastructure management
Experience managing corporate infrastructure at scale with Infrastructure-as-Code (IaC) practices & GitOps workflows (Terraform, Ansible, Chef, etc.) as well as cloud automation best practices
Experience integrating corporate IT infrastructure with CI/CD pipelines and DevOps workflows
Proven track record of developing and maintaining internal tools to streamline IT operations and business processes
Demonstrated experience developing internal automation solutions, such as Slack bots and integrations

Job Responsibility

Design, build, implement, and maintain secure, scalable, and performant network infrastructure, automation workflows, and network security solutions
Drive critical network and IT automation through software development and first-party tooling to optimize network operations, streamline infrastructure management, and enhance IT service delivery
Leverage modern Infrastructure-as-Code (IaC) methodologies and GitOps-driven automation to orchestrate network infrastructure, enforce configuration consistency, and scale IT workflows efficiently
Build and maintain CI/CD pipelines for IT infrastructure, deploying to progressively tested environments across multiple clouds (Azure, AWS, GCP)
Design and implement scalable, network-focused internal tools and dashboards to streamline network operations, optimize network workflows, and provide real-time visibility into network performance
Collaborate with security teams to align IT automation initiatives with Zero Trust principles and compliance frameworks
Implement role-based access controls (RBAC) and mitigate security risks through automated policies
Work cross-functionally to identify areas for IT service improvement and implement self-service solutions
Manage multiple projects and initiatives, ensuring efficiency and alignment with business objectives

What we offer

Medical, dental, and vision insurance for you and your family, with employer contributions to Health Savings Accounts
Pre-tax accounts for Health FSA, Dependent Care FSA, and commuter expenses (parking and transit)
401(k) retirement plan with employer match
Paid parental leave (up to 24 weeks for birth parents and 20 weeks for non-birthing parents), plus paid medical and caregiver leave (up to 8 weeks)
Paid time off: flexible PTO for exempt employees and up to 15 days annually for non-exempt employees
13+ paid company holidays, and multiple paid coordinated company office closures throughout the year for focus and recharge, plus paid sick or safe time (1 hour per 30 hours worked, or more, as required by applicable state or local law)
Mental health and wellness support
Employer-paid basic life and disability coverage
Annual learning and development stipend to fuel your professional growth
Daily meals in our offices, and meal delivery credits as eligible

Fulltime

Staff Security DevOps Engineer

Fivetran is seeking a Staff Security DevOps Engineer to bolster and improve the ...

Location

United States , Oakland

Salary:

196033.00 - 245041.50 USD / Year

Fivetran

Expiration Date

Until further notice

Requirements

Deep expertise in Docker image creation, optimization, and vulnerability mitigation, particularly for Java applications
Experienced in working across all three major cloud providers—AWS, GCP, and Azure—with a deep understanding of their respective services, security models, and deployment patterns
Extensive experience with Kubernetes: deploying, running, debugging, securing, and performance tuning in production environments
Senior-level experience with Java codebases: building, running, profiling, and optimizing Java applications in secure environments
Strong understanding of cloud-native networking, ingress controllers, service meshes, and firewall configurations
Experience with IaC tools such as Terraform, Helm, or Ansible for managing infrastructure at scale
Proficiency in scripting or programming languages (e.g., Bash, Python, Go) to automate processes and integrate tools
Familiarity with Security tooling for CI/CD security, container scanning, dependency analysis, and infrastructure compliance
Excellent problem-solving and troubleshooting skills, with the ability to work independently in fast-paced environments
Strong communication skills with the ability to effectively collaborate across engineering, infrastructure, and security teams

Job Responsibility

Build, optimize, and maintain secure and efficient Docker images, with a strong focus on Java-based applications
Debug, tune, and secure Java applications across development and production environments, partnering with developers to optimize runtime performance and minimize risk
Develop and maintain automation scripts and infrastructure-as-code (IaC) configurations to streamline and secure Kubernetes deployments
Configure, run, and debug Kubernetes clusters across multiple cloud service providers, proactively identifying performance and security improvements
Collaborate with engineering teams to build scalable, reliable, and secure CI/CD pipelines, integrating automated testing, scanning, and monitoring throughout the development lifecycle
Perform advanced networking configuration and troubleshooting across cloud environments, implementing least-privilege access and network segmentation policies
Work directly with developers and infrastructure teams to integrate secure deployment practices and remediate risks in build pipelines and runtime environments
Contribute to vulnerability and misconfiguration detection in container images, Java application dependencies, and infrastructure components, automating detection and response workflows
Collaborate with infrastructure and engineering teams to implement consistent security controls, monitoring, and alerting across Fivetran Platform
Contribute to broader security initiatives, including threat and risk assessments, architecture reviews, incident response, compliance support, and internal tooling improvements

What we offer

100% employer-paid medical insurance
Generous paid time-off policy (PTO), plus paid sick time, inclusive parental leave policy, holidays, and volunteer days off
RSU stock grants
Professional development and training opportunities
Company virtual happy hours, free food, and fun team-building activities
Monthly cell phone stipend
Access to an innovative mental health support platform that offers personalized care and resources in areas such as: therapy, coaching, and self-guided mindfulness exercises for all covered employees and their covered dependents

Fulltime

Staff Security DevOps Engineer

Fivetran is seeking a Staff Security DevOps Engineer to bolster and improve the ...

Location

United States , Denver

Salary:

171389.00 - 214236.00 USD / Year

Fivetran

Expiration Date

Until further notice

Requirements

Deep expertise in Docker image creation, optimization, and vulnerability mitigation, particularly for Java applications
Experienced in working across all three major cloud providers—AWS, GCP, and Azure—with a deep understanding of their respective services, security models, and deployment patterns
Extensive experience with Kubernetes: deploying, running, debugging, securing, and performance tuning in production environments
Senior-level experience with Java codebases: building, running, profiling, and optimizing Java applications in secure environments
Strong understanding of cloud-native networking, ingress controllers, service meshes, and firewall configurations
Experience with IaC tools such as Terraform, Helm, or Ansible for managing infrastructure at scale
Proficiency in scripting or programming languages (e.g., Bash, Python, Go) to automate processes and integrate tools
Familiarity with Security tooling for CI/CD security, container scanning, dependency analysis, and infrastructure compliance
Excellent problem-solving and troubleshooting skills, with the ability to work independently in fast-paced environments
Strong communication skills with the ability to effectively collaborate across engineering, infrastructure, and security teams

Job Responsibility

Build, optimize, and maintain secure and efficient Docker images, with a strong focus on Java-based applications
Debug, tune, and secure Java applications across development and production environments, partnering with developers to optimize runtime performance and minimize risk
Develop and maintain automation scripts and infrastructure-as-code (IaC) configurations to streamline and secure Kubernetes deployments
Configure, run, and debug Kubernetes clusters across multiple cloud service providers, proactively identifying performance and security improvements
Collaborate with engineering teams to build scalable, reliable, and secure CI/CD pipelines, integrating automated testing, scanning, and monitoring throughout the development lifecycle
Perform advanced networking configuration and troubleshooting across cloud environments, implementing least-privilege access and network segmentation policies
Work directly with developers and infrastructure teams to integrate secure deployment practices and remediate risks in build pipelines and runtime environments
Contribute to vulnerability and misconfiguration detection in container images, Java application dependencies, and infrastructure components, automating detection and response workflows
Collaborate with infrastructure and engineering teams to implement consistent security controls, monitoring, and alerting across Fivetran Platform
Contribute to broader security initiatives, including threat and risk assessments, architecture reviews, incident response, compliance support, and internal tooling improvements

What we offer

100% employer-paid medical insurance
Generous paid time-off policy (PTO), plus paid sick time, inclusive parental leave policy, holidays, and volunteer days off
RSU stock grants
Professional development and training opportunities
Company virtual happy hours, free food, and fun team-building activities
Monthly cell phone stipend
Access to an innovative mental health support platform that offers personalized care and resources in areas such as: therapy, coaching, and self-guided mindfulness exercises for all covered employees and their covered dependents

Fulltime

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DevOps Network & Security Engineer

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