Administrateur Senior des Systèmes IT (H/F)

NextEra Analytics offers energy consulting services using industry-leading scientific analysis for planning, siting, forecasting and optimizing all forms of energy projects. Our optimization and analytics platforms integrate open-source technologies to leverage massive, diverse sets of utility operating data. This enables rapid development of operational solutions. Applying expertise in advanced mathematics, data and physical sciences, we solve some of the hardest problems facing the energy industry.

We are seeking an experienced Senior System Administrator to support and advance a growing technology organization of software engineering, data science, and business professionals. This role is responsible for the administration, reliability, security, and continuous improvement of cloud-based and internal IT environments, endpoint technologies, and workplace systems.

The ideal candidate combines strong hands-on technical expertise with sound operational judgment and a service-oriented mindset. You will operate with a high degree of autonomy, lead complex troubleshooting efforts, improve infrastructure and support processes, and serve as a trusted technical partner to development, engineering, security, and business teams.

Key Responsibilities & Expectations

1. Cloud & Systems Administration

• Environment Administration: Administer and support cloud-based and internal IT environments used by software engineering, data science, and business teams.
• Cloud Infrastructure: Design, implement, configure, and maintain reliable cloud solutions that support development and production-adjacent workflows.
• Infrastructure Enablement: Partner with development teams to build, deploy, and maintain infrastructure while promoting scalable, supportable, and secure practices.
• Platform Reliability: Monitor system health, troubleshoot performance issues, and implement improvements that increase availability, resilience, and operational efficiency.
• Technical Standards: Establish and maintain system administration standards, configurations, procedures, and operational controls.

2. IT Support & Service Delivery

• Advanced Troubleshooting: Lead the diagnosis and resolution of complex hardware, software, identity, access, connectivity, and infrastructure issues.
• Request Management: Triage and prioritize incoming IT work requests based on urgency, business impact, and technical risk.
• Escalation Support: Serve as a senior escalation point for technical issues that require deeper analysis, cross-functional coordination, or advanced system knowledge.
• Service Ownership: Manage incidents and support requests through resolution while communicating status, risks, dependencies, and next steps clearly.
• Root-Cause Analysis: Identify recurring issues, determine underlying causes, and implement durable corrective actions rather than temporary workarounds.

3. Endpoint & Workplace Technology

• Endpoint Administration: Oversee the provisioning, configuration, security, maintenance, and support of laptops, peripherals, and related endpoint devices.
• Lifecycle Management: Improve device deployment, patching, upgrade, inventory, compliance, and replacement processes.
• Audio Visual Support: Provide advanced support for conference room, presentation, and collaboration technologies, including complex troubleshooting and vendor coordination.
• Workplace Reliability: Ensure employees have secure, dependable, and effective technology for both in-office and remote work.
• Technology Evaluation: Assess new endpoint, collaboration, and workplace technologies and make recommendations based on supportability, security, cost, and user experience.

4. Automation, AI & Operational Efficiency

• AI-Augmented Administration: Use AI assistants and related toolsets to accelerate troubleshooting, improve documentation, analyze technical issues, and enhance support and administration workflows.
• Responsible AI Use: Validate AI-generated outputs and maintain full accountability for the accuracy, security, and appropriateness of technical decisions.
• Automation: Develop scripts, workflows, and automated processes that reduce manual effort, improve consistency, and accelerate service delivery.
• Process Improvement: Identify and implement opportunities to standardize, simplify, and modernize IT operations.
• Operational Documentation: Create and maintain runbooks, system documentation, support procedures, configuration standards, and knowledge-base content.

5. Security, Risk & Operational Resilience

• Security-Focused Administration: Apply security best practices across cloud services, endpoints, identity systems, and internal environments.
• Access Governance: Support secure access provisioning, permission reviews, account lifecycle management, and least-privilege principles.
• Patch & Configuration Management: Maintain secure system configurations and ensure timely remediation of vulnerabilities and outdated software.
• Operational Resilience: Develop recovery procedures, escalation paths, and support processes that improve service continuity and reduce operational risk.
• Cross-Functional Security Partnership: Work closely with cybersecurity, compliance, and risk teams to address findings and implement appropriate controls.

Required Qualifications

• Bachelor's degree in Information Technology, Computer Science, Engineering, or a related field, or equivalent practical experience.
• 5+ years of experience in systems administration, cloud operations, infrastructure support, endpoint management, or a related technical role.
• Demonstrated experience administering and supporting cloud-based and internal enterprise environments.
• Strong knowledge of operating systems, identity and access management, networking fundamentals, endpoint technologies, and enterprise productivity platforms.
• Experience supporting software engineering, development, or data science teams in a technology-focused environment.
• Proven ability to diagnose and resolve complex technical issues using structured troubleshooting and root-cause analysis.
• Experience with scripting, automation, infrastructure tooling, or configuration management.
• Experience with endpoint provisioning, patching, device management, inventory, and security controls.
• Strong technical documentation and communication skills.
• Ability to lead technical initiatives, manage competing priorities, and operate with limited supervision.
• Experience using AI assistants, automation tools, and related technologies to improve productivity while maintaining appropriate validation, judgment, and security controls.

Job Overview

This position installs, configures, and maintains computing infrastructure, operating systems, and middleware products on all computer platforms, including mainframes, workstations, and servers - including web servers - in support of 24-hour-per-day, seven-day-per-week business processes.

Job Duties & Responsibilities

• Evaluates, implements, and modifies operating system software parameters and product solutions for optimum performance
• Identifies integration and other interface requirements for all supported products and platforms
• Serves as a technical escalation point for technicians and customers
• Troubleshoots hardware, system and application issues
• Performs other job-related duties as assigned

Required Qualifications

• High School Grad / GED
• Bachelor's or Equivalent Experience
• Experience: 4+ years

Preferred Qualifications

• Bachelor's Degree

The estimated base pay for this position is $106,400.00 to $159,600.00 per year. Starting pay will be based on several factors including, but not limited to, experience, qualifications, job-related and industry knowledge and skills and education/training.

NextEra Energy offers a wide range of benefits to support our employees and their eligible family members. Click here to learn more.

Employee Group: Exempt
Employee Type: Full Time
Job Category: Information Technology
Organization: NextEra Analytics, Inc
Relocation Provided: Yes, if applicable

NextEra Energy is an Equal Opportunity Employer. Qualified applicants are considered for employment without regard to race, color, age, national origin, religion, marital status, sex, sexual orientation, gender identity, gender expression, genetics, disability, protected veteran status or any other basis prohibited by law.

NextEra Energy provides reasonable accommodation in its application and selection process for qualified individuals, including accommodations related to compliance with conditional job offer requirements, consistent with federal, state, and local laws. Supporting medical or religious documentation will be required where applicable and permitted by applicable law. To request a reasonable accommodation, please send an e-mail to [email protected], providing your name, telephone number and the best time for us to reach you.

NextEra Energy will not discharge or in any other manner discriminate against employees or applicants because they have inquired about, discussed, or disclosed their own pay or the pay of another employee or applicant. However, employees who have access to the compensation information of other employees or applicants as a part of their essential job functions cannot disclose the pay of other employees or applicants to individuals who do not otherwise have access to compensation information, unless the disclosure is (a) in response to a formal complaint or charge, (b) in furtherance of an investigation, proceeding, hearing, or action, including an investigation conducted by the employer, or (c) consistent with the contractor's legal duty to furnish information.

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