Senior Infrastructure Engineer

Grayson Search Partners; Nashville (TN); On-site; USD 120,000 - 180,000; Full time

Job summary

Grayson Search Partners seeks a Senior Cloud & Infrastructure Engineer to lead design, deployment, and optimization of enterprise infrastructure across cloud and on-premises environments for a SaaS business and internal operations.

You will guide automation initiatives, drive reliability, and collaborate with software engineering and application support to deliver highly available services. This role requires deep expertise and proactive improvement mindset.

Qualifications

• Eight+ years of experience in systems, cloud, or infrastructure engineering roles.
• Proven experience managing public cloud environments, preferably Microsoft Azure.
• Experience with VMware technologies and third-party colocation facilities.
• Strong understanding of enterprise networking concepts (firewalls, VPN, routing, switching).
• Background supporting infrastructure for SaaS organizations.
• Experience designing and maintaining resilient architectures with backup and high availability.
• Proficiency with PowerShell scripting and infrastructure automation practices.
• Strong problem-solving and incident resolution capabilities.
• Excellent written communication and cross-functional collaboration skills.

Responsibilities

• Architect, deploy, and maintain infrastructure solutions across cloud and datacenter environments.
• Oversee administration of Windows and Linux-based systems.
• Manage enterprise networking, including firewalls and VPN connectivity.
• Support and maintain AD and Entra ID identity platforms.
• Develop and implement backup, DR, and business continuity processes.
• Configure and optimize virtualized and cloud-hosted environments.
• Build automation to improve operational efficiency and reduce manual work.
• Respond to incidents and conduct root-cause analysis to prevent recurrence.
• Collaborate with software engineering to deliver highly available services.
• Produce and maintain technical runbooks and documentation.

Skills

PowerShell scripting

Automation

Incident investigation

Cross-functional collaboration

Technical writing

Tools

Microsoft Azure

VMware

Active Directory

Microsoft Entra ID

Job description

The Senior Cloud & Infrastructure Engineer is a key member of the technology organization responsible for designing, managing, and optimizing enterprise infrastructure across both cloud and on-premises environments. Reporting to the Infrastructure leadership team, this individual will provide advanced technical expertise to ensure the stability, security, and performance of platforms supporting a SaaS-based business and its internal operations.

This position requires a highly experienced engineer who can lead infrastructure initiatives, solve complex technical challenges, implement automation, and drive improvements that enhance reliability, scalability, and operational excellence.

Core Responsibilities

• Architect, deploy, and maintain infrastructure solutions across cloud and datacenter environments.
• Oversee administration and support of Windows and Linux-based systems.
• Manage enterprise networking technologies, including firewalls, VPN connectivity, DNS services, routing, switching, and load-balancing solutions.
• Support and maintain identity and access management platforms, including Active Directory and Microsoft Entra ID.
• Develop and administer business continuity strategies, backup platforms, and disaster recovery processes.
• Configure, support, and optimize virtualized and cloud-hosted environments.
• Build automation solutions that improve operational efficiency and reduce manual administration.
• Respond to infrastructure incidents and perform detailed root cause investigations to prevent recurrence.
• Collaborate on security enhancement projects, remediation efforts, and operational risk reduction activities.
• Partner with software engineering and application support teams to deliver highly available and scalable services.
• Produce and maintain technical documentation, standards, and operational runbooks.
• Participate in after-hours support rotations and critical issue escalation activities when required.

Required Experience & Qualifications

• Eight or more years of experience in systems, cloud, or infrastructure engineering roles.
• Proven experience managing public cloud environments, preferably Microsoft Azure.
• Experience working with VMware technologies and third-party colocation facilities.
• Strong understanding of enterprise networking concepts, including firewall management, VPN technologies, routing, and switching.
• Background supporting infrastructure for software-as-a-service (SaaS) organizations.
• Experience designing and maintaining resilient architectures that incorporate backup, recovery, and high-availability capabilities.
• Proficiency with PowerShell scripting and infrastructure automation practices.
• Demonstrated success diagnosing and resolving complex production and platform issues.
• Strong written communication, technical documentation, and cross-functional collaboration skills.

Desired Qualifications

• Experience operating within regulated, audited, or compliance-driven environments.
• Familiarity with frameworks such as SOC 2, ISO 27001, or similar governance standards.
• Microsoft Azure certifications or related cloud credentials.
• Experience utilizing Infrastructure-as-Code (IaC) platforms and automation frameworks.
• Knowledge of cybersecurity tools, security controls, and vulnerability management best practices.

What Success Looks Like

The ideal candidate brings deep infrastructure expertise, a proactive mindset, and the ability to balance operational excellence with strategic improvement initiatives. They will help ensure the technology environment remains secure, highly available, scalable, and capable of supporting future business growth.