Senior Infrastructure & Network Administrator Job at Feel IT Services (Paris)

Senior Network Administrator

We are looking for an experienced Senior Network Administrator to support and en...

Location

United States , Portland

Salary:

Not provided

Robert Half

Expiration Date

Until further notice

Requirements

Demonstrated experience in network administration within complex enterprise environments
Strong hands-on expertise with Cisco routers, Cisco networking, and firewall technologies
Proven ability to manage and support Fortinet firewalls in a production setting
Working knowledge of LAN, WAN, and SD-WAN design, support, and troubleshooting
Experience with Microsoft Azure networking concepts and hybrid infrastructure connectivity
Background in system administration, including support for Active Directory environments
Ability to diagnose technical issues efficiently and communicate solutions clearly with stakeholders

Job Responsibility

Oversee the stability, performance, and security of LAN and WAN infrastructure across the organization
Configure, maintain, and troubleshoot Cisco routers and broader Cisco networking components to ensure dependable connectivity
Administer Fortinet firewall solutions, including policy updates, access controls, and threat protection measures
Support SD-WAN operations by monitoring links, optimizing traffic flow, and resolving connectivity issues between sites and services
Manage Active Directory and related system administration tasks that support network access and user connectivity
Collaborate with internal teams to address network incidents, implement improvements, and reduce service disruptions
Assist with Azure-connected networking components and help maintain secure integration between cloud and on-premises environments
Document network configurations, operational procedures, and technical changes to support ongoing maintenance and compliance

What we offer

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

Senior Network Administrator

We are looking for an experienced Senior Network Administrator to oversee and ma...

Location

United States , Salem

Salary:

95000.00 - 105000.00 USD / Year

Robert Half

Expiration Date

Until further notice

Requirements

Minimum of 5+ years of experience in network administration or a related field
Must know the Cisco ecosystem, Cisco routers switches and networking solutions
Palo Alto and Fortinet firewalls are a plus
Solid understanding of networking principles and best practices
Ability to Lead a team of 2 to solve complex technical issues
Strong analytical and problem-solving skills with attention to detail
Legally authorized to work in the United States

Job Responsibility

Manage and optimize local and wide area network infrastructure, including servers, routers, switches, firewalls, and wireless devices
Ensure the security and functionality of network systems through regular monitoring and updates
Coordinate and execute installations of interconnected systems, such as internet connections and host computer networks
Implement and maintain firewall technologies to protect sensitive data and prevent unauthorized access
Troubleshoot network issues promptly to minimize downtime and maintain operational efficiency
Collaborate with team members to design and deploy network solutions that align with organizational needs
Perform routine maintenance and upgrades to ensure network components are operating at peak performance
Support Active Directory management, including user accounts and permissions
Document network configurations and procedures for future reference and training purposes
Stay updated on emerging networking technologies to continuously improve system capabilities

What we offer

Access to top jobs
Competitive compensation
Benefits including medical, vision, dental, and life and disability insurance
401(k) plan enrollment
Free online training

Fulltime

Senior Systems and Network Administrator

This is a newly created role to support a growing pipeline of infrastructure pro...

Location

United States , Providence

Salary:

Not provided

Robert Half

Expiration Date

Until further notice

Requirements

Multi‑site Active Directory administration
AD replication health and troubleshooting
Group Policy, Certificate Authority, file services
AD to Entra ID sync (Entra Connect / AAD Connect)
Patch management, OS upgrades, server rebuilds
Exposure to Microsoft Azure (infrastructure, backup, DR concepts)
Microsoft 365 administration: Entra ID (Azure AD), Exchange Online, SharePoint Online, Teams
Strong Layer 2/3 networking fundamentals
DHCP, DNS administration
Firewall experience (Meraki preferred): Rules, traffic flows, site‑to‑site and client VPNs

Job Responsibility

Lead and support infrastructure modernization projects (server, network, cloud)
Maintain and improve on‑prem and hybrid environments
Act as a senior escalation point for Windows, AD, and networking issues
Support an Azure migration in partnership with an MSP and manage the environment post‑implementation
Assist with VMware decommissioning (planned for late Q3/Q4)
Participate in after‑hours support as needed
Mentor team members and assist with lower‑level support when required

What we offer

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

Senior Linux Systems Administrator – Datacenter Infrastructure

The consultant will oversee a robust estate of over 2,500 Red Hat Enterprise Lin...

Location

United States , Somerset

Salary:

49.50 - 81.25 USD / Hour

ClearBridge Technology Group

Expiration Date

Until further notice

Requirements

Minimum 10 years of hands-on experience in enterprise-level Linux system administration and technical operations
Prior experience in financial services
Proven expertise in RHEL 7/8, including deep familiarity with KVM virtualization and system internals
Advanced knowledge of HPE ProLiant server architecture, diagnostics, and lifecycle management
Demonstrated proficiency in security operations, including EDR/SIEM agent management and vulnerability remediation
Experience with HPE SAN technologies, including fabric zoning, Primera/Alletra storage systems, and fiber channel networking
Working knowledge of Puppet and Cobbler for configuration and provisioning automation
Proficient in scripting languages: Python, Perl, and Bash
capable of developing scalable automation solutions

Job Responsibility

Lead advanced administration, configuration, and performance optimization of Red Hat Enterprise Linux (RHEL) systems
Design and manage RHEL KVM virtualization environments, including provisioning, troubleshooting boot issues, and fine-tuning for optimal performance
Oversee lifecycle management of HPE ProLiant hardware, including upgrade analysis, firmware upgrades, component replacements, and remote diagnostics via iLO
Design and execute robust processes for infrastructure patching, reboot orchestration, and content lifecycle management
Administer and enhance security posture through deployment and maintenance of EDR and SIEM agents, ensuring compliance with CVE remediation SLAs
Analyze and resolve kernel-level system bottlenecks and network latency, delivering actionable performance tuning strategies
Manage HPE storage platforms (Primera, Alletra), including SAN zoning, volume provisioning, LVM configuration, and fiber channel switch operations
Maintain critical datacenter services: NTP/Chrony, Elastic Stack, Puppet, Cobbler, Rundeck, Squid Proxy, DNS, and Postfix
Implement proactive monitoring using tools such as Nagios/Naemon, Prometheus, and PRTG, ensuring high availability and rapid incident response
Develop and maintain automation frameworks using Ansible, Python, Perl, and shell scripting to streamline operational workflows

What we offer

Excellent benefits and compensation packages
Additional compensation provided for bi-monthly Saturday production rollouts

Fulltime

New

Cloud Infrastructure Administrator (Mid-Level, Senior or Lead)

At Boeing, we innovate and collaborate to make the world a better place. We’re c...

Location

United States , Berkeley; Seattle; Daytona Beach

Salary:

104550.00 - 239200.00 USD / Year

Boeing

Expiration Date

June 16, 2026

Requirements

Ability to obtain access to Special Access Programs (SAP)
3+ years of experience in Cloud Computing and Infrastructure Management
3+ years of experience designing, building, and operating cloud infrastructure and services with Azure or Amazon Web Services
3+ years of experience writing and implementing Infrastructure as Code (IaC) with Bicep, ARM, or Terraform
3+ years of experience writing PowerShell or other scripts to automate deployment and configuration of operating system
U.S. Person as defined by 22 C.F.R. §120.62
Active U.S. Secret Security Clearance (U.S. Citizenship Required)

Job Responsibility

Design, implement, and maintain Microsoft Azure-based infrastructure solutions including networking, compute, storage, identity integration, and supporting services
Develop and maintain Infrastructure as Code (IaC) and configuration automation solutions using Terraform, Ansible, PowerShell, and Bash
Implement cloud policies to enforce security, ensure regulatory compliance, and manage user access
Build repeatable landing zones and cloud infrastructure patterns that support multiple application teams and enterprise services
Support environment standup, expansion, patching, upgrades, backup, and disaster recovery planning
Implement monitoring, logging, and alerting capabilities to maintain infrastructure health and reliability
Troubleshoot and resolve infrastructure issues related to connectivity, performance, availability, and integration
Support cloud migration planning by preparing foundational infrastructure services and shared dependencies
Collaborate with architecture, networking, platform, and application teams to align infrastructure designs with program requirements
Document infrastructure standards, operational procedures, and support models

What we offer

Sign on bonus
Health insurance
Flexible spending accounts
Health savings accounts
Retirement savings plans
Life and disability insurance programs
Paid and unpaid time away from work
Tuition assistance program
Fertility, adoption, and surrogacy benefits
401(k) with company match

Fulltime

New

Senior Infrastructure Engineer

Location

India , Hyderabad

Salary:

Not provided

Alter Domus

Expiration Date

Until further notice

Requirements

At least 7-8 years of experience in Infrastructure administration
Strong hands-on experience with Linux systems (RHEL, Ubuntu, SUSE)
Proven expertise in Linux system administration, performance tuning, and troubleshooting
Experience with monitoring and alerting tools such as Prometheus, Grafana, Zabbix, Nagios, ELK Stack, or Splunk
Strong understanding of observability, logging, and system health monitoring
Proficiency in scripting and automation tools (Bash, Python, Ansible)
Good understanding of networking fundamentals (TCP/IP, DNS, HTTP)
Familiarity with virtualization and cloud platforms
Experience in capacity planning and performance optimization
Strong troubleshooting and analytical skills

Job Responsibility

Manage Linux infrastructure (RHEL, CentOS, Ubuntu, SUSE), including installation, patching, upgrades, and troubleshooting
Perform OS-level monitoring and tuning (CPU, memory, disk, processes, kernel)
Maintain file systems and storage configurations (LVM, NFS, ext4, xfs)
Design and manage monitoring and alerting frameworks
Configure and tune alerts for system, application, and network performance
Ensure high availability and continuous system monitoring
Administer monitoring tools such as Prometheus, Grafana, Zabbix, Nagios, ELK, and Splunk
Build dashboards and track system health, KPIs, and performance trends
Perform proactive health checks and capacity planning
Troubleshoot complex issues and perform root cause analysis (RCA)

What we offer

Support for professional accreditations such as ACCA and study leave
Flexible arrangements, generous holidays, plus an additional day off for your birthday
Continuous mentoring along your career progression
Active sports, events and social committees across our offices
24/7 support available from our Employee Assistance Program
The opportunity to invest in our growth and success through our Employee Share Plan

Fulltime

Senior Infrastructure Engineer

Our client is a world-leading reinsurance and risk management company, deliverin...

Location

Romania , Cluj

Salary:

Not provided

NTT DATA

Expiration Date

Until further notice

Requirements

Bachelor’s degree in Informatics/ or similar field of study/or equivalent working experience is required
Minimum 5 years demonstrable experience in a DevOps Engineer role
Strong experience with Terraform, YAML, and PowerShell scripting
Proficient with Azure infrastructure components (IaaS and PaaS)
Familiarity with distributed systems and administration of Windows Servers
Understanding of Azure Policies and redundancy scaling concepts
Experience with Azure networking components and API Management
Knowledge of OAuth2, OpenID Connect protocols, and Azure Entra Identity Provider
Basic proficiency in SQL
Excellent problem-solving and communication skills

Job Responsibility

Utilize Terraform and ARM templates to automate the deployment and management of cloud infrastructure
Develop scripts in PowerShell and YAML for continuous integration and continuous deployment (CI/CD) pipelines and other automation tasks
Implement and manage Azure IaaS and PaaS services, ensuring optimal performance and cost management
Configure and manage Azure networking components, including Application Gateways and Azure Firewalls, to ensure secure and efficient traffic flow
Visualize and monitor infrastructure performance and efficiency, leveraging native Azure tools and third-party solutions
Implement OAuth2 and OpenID Connect for secure authentication, utilizing Azure Entra ID as the identity provider
Enforce and manage Azure Policies to ensure compliance and governance of cloud resources
Design and implement scalable solutions with redundancy features, such as geo-redundancy, to ensure high availability
Apply basic SQL knowledge for managing and querying databases as part of application deployments and operational support
Work with development and operations teams to foster a culture of collaboration and continuous improvement in DevOps practices

What we offer

New beginnings can be a challenge. We promise a smooth integration and a supportive mentor
Pick your working style: choose from Remote, Hybrid or Office work opportunities
Early bird or night owl? Our projects have different working hours to suit your needs
Nobody is born an expert. Sharpen your tech skills with our sponsored certifications, trainings and top e-learning platforms
We want you to stay healthy! Enjoy our Private Health Insurance ⁠– it’s custom-made for you
A clear mind is a healthy mind. Attend individual coaching sessions or go one step further by joining our accredited Coaching School
Make the most of our epic parties or themed events – they’re lovingly designed for our people and their families

Fulltime

Senior Network Engineer DNS DHCP IPAM DDI Engineering

Wells Fargo is seeking a highly skilled DDI Engineer with deep enterprise experi...

Location

United States , Columbus; Chandler; Charlotte; Irving; McLean; Minneapolis

Salary:

100000.00 - 196000.00 USD / Year

Wells Fargo

Expiration Date

July 19, 2026

Requirements

4+ years of Network Engineering experience, or equivalent demonstrated through one or a combination of the following: work experience, training, military experience, education
2+ years' experience with DNS, DHCP, IP Address Management (IPAM), and Network Time Protocol (NTP) systems, including architecture, deployment, and lifecycle management
Military experience with developing and scaling automated infrastructure and workflows in hybrid or tactical environment
Military experience designing and implementing secure, mission-critical automation solutions within defense or government environment
Must have Experience working with Enterprise DDI Platforms Such as Bluecat or Infoblox
Experience designing and implementing scalable, resilient infrastructure solutions for core network services
Advanced scripting skills (e.g., Python, Bash, PowerShell) for automation of log rotation, data collection, error handling, and alerting
Hands-on experience with synthetic transaction development for proactive monitoring of infrastructure and applications
Experience mentoring and guiding less experienced staff
Experience with DevOps and CI/CD automated build and deployment processes

Job Responsibility

Lead or participate in implementing network security policies across routers and firewalls
Manage production networks including Internet Protocol backbone, data centers and edge pops across the globe
Ensure the continuous availability of all data network services
Identify gaps, risks and issues and navigate organizational structure to resolve them
Perform quarterly proactive network testing to ensure proper functioning and reliability of the network
Investigate and remediate network capacity related issues
Apply knowledge of security and regulatory policies to design and implement foolproof secured network solutions
Provide resolution information and work with other teams to complete impact analysis
Deliver comprehensive and maintenance plans for change management review and approval
Partner cross-functionally with other Product Infrastructure teams in order to continuously improve and apply standards and policies relevant to operational excellence

What we offer

Health benefits
401(k) Plan
Paid time off
Disability benefits
Life insurance
Critical illness insurance
Accident insurance
Parental leave
Critical caregiving leave
Discounts and savings

Fulltime

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Senior Infrastructure & Network Administrator

Job Description

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Requirements

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