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Atos

Infrastructure Engineer NG911

United States

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Job details

Experience: 5+ years of experience supporting enterprise server and virtualization environments, including senior or L3-level support.
Posting language: English
Posted: Oct 28, 2026

Original job description

Atos is the Atos Group brand dedicated to AI-powered, secure, end-to-end digital services. Atos designs, develops, and operates critical digital environments that drive performance, resilience and sovereignty, helping public and private organizations worldwide retain control over their data and infrastructures, while meeting regulatory requirements.

With more than 52,000 employees serving over 4,500 clients across 54 countries, Atos helps modernize core IT systems, accelerate cloud and data transformation, strengthen cybersecurity, and deliver secure digital workplace environments to support its clients, its employees and society. Atos also provides consulting and advisory services through its Atos Amplify brand. A trusted partner in operating complex and mission-critical environments, Atos supports organizations across highly regulated and sovereign contexts.

About Atos Group

Atos Group is a global leader in digital transformation with c. 54,000 employees and annual revenue of c. €7.2 billion, operating in 54 countries under two brands - Atos for services and Eviden for products and systems. European number one in cybersecurity and a leader in cloud, Atos Group is committed to a secure and decarbonized future and provides tailored AI-powered, end-to-end solutions for all industries. Atos Group is listed on Euronext Paris. L3 Infrastructure Engineer

Next Generation 911 (NG911) Organization: Atos Public Safety Level: L3 / Senior Infrastructure Engineering Primary Focus: Windows Server, Linux, VMware, and NG911 Infrastructure

Position Summary

Atos Public Safety provides mission-critical technology and managed services supporting Next Generation 911 (NG911) environments.

The L3 Infrastructure Engineer provides senior-level engineering and operational support for the Windows, Linux, and VMware infrastructure supporting NG911 services. This role serves as the senior escalation point for complex infrastructure issues that cannot be resolved by L1 or L2 support teams.

This is a hands-on technical role responsible for troubleshooting, maintaining, and improving highly available infrastructure. The engineer will work across servers, virtualization, networking, storage, security, monitoring, and application dependencies to resolve issues and maintain reliable NG911 services.

Key Responsibilities

Infrastructure Support & Troubleshooting

Serve as the L3 escalation point for complex Windows, Linux, VMware, and infrastructure-related issues.
Diagnose problems across operating systems, virtualization, storage, networking, security, monitoring, databases, and application dependencies.
Restore services during infrastructure incidents and support Major Incident Management activities.
Perform root-cause analysis and recommend corrective actions to prevent recurring issues.
Work closely with NOC, Network Engineering, Application Support, Security, Cloud Operations, Service Delivery, and third-party vendors.

Windows & Linux Administration

Administer, maintain, and troubleshoot Windows Server and Linux systems supporting NG911 services.
Troubleshoot system services, logs, authentication, permissions, networking, storage, performance, and resource issues.
Support server provisioning, configuration, patching, upgrades, maintenance, and retirement.
Support Active Directory-integrated systems and authentication dependencies.
Work with application teams to troubleshoot issues that cross infrastructure and application layers.

VMware Virtualization

Administer and troubleshoot VMware vSphere and vCenter environments.
Support VM provisioning, configuration, maintenance, migration, capacity management, and lifecycle activities.
Troubleshoot performance and availability issues involving virtual machines, VMware infrastructure, networking, and storage.
Coordinate complex VMware issues with vendor support when necessary.

NG911 Infrastructure Support

Develop a strong understanding of the Atos Public Safety NG911 infrastructure and its application dependencies.
Support production, non-production, laboratory, reference, and interoperability environments.
Identify whether service issues originate from infrastructure, applications, networking, security, or external dependencies.
Maintain technical documentation, troubleshooting procedures, and knowledge articles for support teams.

Infrastructure Onboarding & Operations

Support onboarding and provisioning of physical and virtual servers.
Ensure systems meet configuration, security, access, monitoring, logging, backup, and documentation requirements.
Support CyberArk onboarding and privileged-access integration.
Validate infrastructure readiness before systems are moved into production.
Provide operational documentation and technical handoffs to NOC and support teams.

Incident, Problem & Change Management

Provide L3 support for infrastructure incidents and service-impacting events.
Perform structured troubleshooting using system logs, events, monitoring data, and configuration information.
Identify recurring problems and contribute to Problem Management and corrective-action activities.
Plan and execute approved production changes, including testing, validation, rollback procedures, and risk assessment.
Maintain accurate technical records within IT service management and documentation systems.

Monitoring, Performance & Reliability

Review infrastructure alerts, system logs, VMware events, and performance data.
Identify capacity, performance, configuration, and resource issues before they impact service.
Support health checks, preventive maintenance, backup and recovery validation, and resilience improvements.
Recommend improvements to infrastructure reliability, performance, security, monitoring, capacity, and recoverability.

Required Qualifications

5+ years of experience supporting enterprise server and virtualization environments, including senior or L3-level support.
Advanced administration and troubleshooting experience with Microsoft Windows Server.
Advanced administration and troubleshooting experience with Linux.
Strong hands-on experience with VMware vSphere and vCenter.
Ability to troubleshoot complex issues across operating systems, virtualization, applications, storage, networking, and security.
Strong knowledge of:
TCP/IP and DNS
Authentication and server networking
Storage and virtualization
High availability
Backup and recovery
Monitoring and logging
Experience supporting high-availability or mission-critical production environments.
Experience with formal Incident, Problem, Change, and Major Incident Management processes.
Strong troubleshooting, documentation, and communication skills.
Ability to independently manage complex technical issues and communicate effectively with technical teams, leadership, and vendors.

Preferred Qualifications

Experience supporting Atos Public Safety NG911 infrastructure or applications.
Experience with NG911, public safety, emergency communications, telecommunications, or other mission-critical environments.
Experience with Red Hat Enterprise Linux (RHEL) and/or SUSE Linux Enterprise Server (SLES).
Experience with CyberArk or another privileged-access-management platform.
Experience with monitoring, logging, patching, vulnerability management, configuration management, backup/recovery, or automation.
Experience supporting geographically distributed, highly available, or hybrid infrastructure.
Experience working with OEM and third-party technical support organizations.
VMware, Microsoft, Linux, cloud, security, or ITIL certifications are a plus.

Core Skills

Windows Server and Linux administration
VMware vSphere and vCenter
Advanced infrastructure troubleshooting
TCP/IP, DNS, networking, and storage
High availability and disaster recovery
Monitoring and logging
Incident, Problem, and Change Management
Root-cause analysis
Technical documentation
Cross-team and vendor coordination

Work Environment

Supports mission-critical NG911 production infrastructure.
Works closely with NOC, engineering, application support, security, cloud operations, service delivery, project teams, and vendors.
May participate in production maintenance outside normal business hours.
May participate in on-call or escalation coverage for critical incidents.
Must be able to work effectively during high-priority incidents requiring rapid and controlled service restoration.

Success in This Role

Success means maintaining stable and reliable NG911 infrastructure, resolving complex technical issues, reducing recurring problems, executing production changes safely, maintaining strong technical documentation, and collaborating effectively across technical and operational teams.

Role Distinction

This is more than a traditional server administrator position. The L3 Infrastructure Engineer must understand how Windows, Linux, VMware, networking, storage, security, CyberArk, monitoring, databases, and NG911 applications work together.

The engineer is expected to take ownership of complex infrastructure issues through resolution and help improve the long-term reliability and supportability of the NG911 environment.

The total compensation range for this role in the posted location is $64,366.00 - $102,986.00USD.

Atos provides compensation range information in accordance with applicable national, state, provincial, and local pay transparency laws. The compensation range listed for this position reflects the minimum and maximum target compensation that Atos, in good faith, believes it may pay for the role at the time of this posting. This range may be subject to change as permitted by law.

The actual compensation offered to any candidate may fall outside the posted range and will be determined based on multiple factors permitted by applicable law. These may include, but are not limited to, geographic location, education and qualifications, certifications and licenses, relevant experience and skills, seniority and performance, market and business considerations, and internal pay equity.

It is not typical for candidates to be hired at or near the top of the posted compensation range.

Benefits: Medical insurance, Dental insurance, Vision insurance, Flexible Spending Accounts (FSAs), Health Savings Account (HSA), Supplemental Insurance, Telehealth, Employee Assistance Program (EAP), 401(k) Retirement Plan, Legal Insurance, Pet Insurance, Wellness and discount programs

Here at Atos, diversity and inclusion are embedded in our DNA. Read more about our commitment to a fair work environment for all.

Atos is a recognized leader in its industry across Environment, Social and Governance (ESG) criteria. Find out more on our CSR commitment.

Choose your future. Choose Atos.

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