Senior Engineer, Infrastructure Operations (Windows & Cloud)

Over the last 20 years, Ares’ success has been driven by our people and our culture. Today, our team is guided by our core values - Collaborative, Responsible, Entrepreneurial, Self-Aware, Trustworthy - and our purpose to be a catalyst for shared prosperity and a better future. Through our recruitment, career development and employee-focused programming, we are committed to fostering a welcoming and inclusive work environment where high-performance talent of diverse backgrounds, experiences, and perspectives can build careers within this exciting and growing industry.

Job Description

Primary functions and essential responsibilities:

• Design, implement, administer, and support enterprise Windows Server infrastructure across on-premises and cloud environments.
• Manage Active Directory services including Domain Controllers, Organizational Units, Group Policy Objects (GPOs), trusts, replication, and identity integrations.
• Design and maintain highly available Windows infrastructure solutions supporting mission-critical business applications.
• Support and administer core Microsoft technologies including Active Directory, DNS, DHCP, DFS, PKI, File Services, and Remote Desktop Services.
• Drive infrastructure modernization through automation, orchestration, and Infrastructure-as-Code (IaC) solutions utilizing PowerShell, Python, Terraform, and related technologies.
• Develop and maintain automation solutions for server provisioning, patch management, health monitoring, capacity management, and operational workflows.
• Lead Windows Server migration, upgrade, and lifecycle management initiatives.
• Implement and support Microsoft Azure services including Azure Virtual Machines, Azure Active Directory, Azure Files, Azure Backup, and hybrid identity solutions.
• Monitor infrastructure health, performance, security, and capacity to ensure operational excellence and platform reliability.
• Troubleshoot complex server, operating system, authentication, directory services, networking, and infrastructure-related issues.
• Collaborate with Security Operations teams to implement security baselines, vulnerability remediation, hardening standards, and compliance requirements.
• Develop operational dashboards, reports, and metrics using Power BI and other reporting platforms.
• Maintain technical documentation, architecture diagrams, operational procedures, standards, and disaster recovery runbooks.
• Partner with cloud, application, network, database, and security teams to develop scalable enterprise solutions.
• Provide escalation support for Service Desk, Infrastructure Operations, Production Support, and Application teams.

Qualifications:

Education: Bachelor's degree in information technology, Computer Science, Engineering, or related field preferred.

• 10+ years of hands-on experience managing enterprise Windows Server environments.
• Strong experience with Microsoft Windows Server 2016, 2019, and 2022 platforms.
• Advanced expertise with Active Directory, Group Policy, DNS, DHCP, DFS, PKI, IIS and Windows authentication technologies.
• Proven experience implementing and supporting hybrid identity solutions utilizing Microsoft Entra ID (Azure Active Directory).
• Strong experience with PowerShell Python scripting and infrastructure automation.
• Experience with Windows Server lifecycle management, patching, upgrades, migrations, and operational support.
• Experience supporting Microsoft Azure infrastructure and hybrid cloud environments.
• Strong understanding of enterprise security, hardening, authentication, privileged access management, and compliance requirements.
• Experience with performance troubleshooting, monitoring, and capacity planning of enterprise Windows environments.
• Experience with Infrastructure-as-Code, DevOps practices, Ansible, Terraform, Jenkins and CI/CD integration preferred.

General Requirements:

• Relevant certifications such as Microsoft Certified: Windows Server Hybrid Administrator Associate, Azure Administrator Associate, Azure Solutions Architect Expert, Microsoft Security certifications, ITIL Foundation, HashiCorp Terraform Associate, or Azure DevOps Engineer Expert are preferred.
• Strong analytical and troubleshooting skills with the ability to diagnose and resolve complex infrastructure issues.
• Excellent verbal and written communication skills, including technical documentation and executive-level reporting.
• Ability to work independently, manage multiple priorities, and deliver effectively in a fast-paced enterprise environment.
• Strong planning, organizational, stakeholder management, and project execution capabilities.
• Detail-oriented, customer-focused approach with an emphasis on automation, operational excellence, and continuous improvement.
• Demonstrated ability to collaborate effectively across Infrastructure, Security, Cloud, Networking, Database, and Application teams.
• Ability to translate business and technical requirements into scalable, secure, and maintainable infrastructure solutions.
• Proven experience delivering automation, modernization, cloud transformation, and operational improvement initiatives.

Reporting Relationships

There is no set deadline to apply for this job opportunity. Applications will be accepted on an ongoing basis until the search is no longer active.