Senior Infrastructure Engineer

HomeServe USA • Norwalk, CT

2d • $103,036 - $167,910 • Onsite

About The Position

The Senior Infrastructure Engineer assists in designing, developing, implementing, engineering, and supporting virtualization, storage, and cloud solutions that meet HomeServe USA’s current and future business needs. The role supports virtualized systems across multiple data centers and cloud environments, ensuring they follow best-practice standards and meet agreed service availability levels. It requires deep expertise in Microsoft Active Directory services, AWS, and Windows-based enterprise systems, with a strong grounding in identity and access management and infrastructure as code. The engineer also helps develop strategies for implementing cloud platforms and supports the company’s rapid growth through infrastructure optimization and performance.

The position provides operational support, handles level-three user requests and incidents, implements new or improved systems, collaborates across teams, and documents system configurations, procedures, and best practices. It responds to production incidents, participates in post-mortem reviews, works with hardware and software vendors, and participates in an on-call rotation outside normal business hours.

Requirements

• University degree in computer science, engineering, or information systems.
• At least 10 years of technical IT infrastructure or systems experience, with a strong emphasis on virtualization technologies and demonstrated analytical, evaluative, and problem-solving abilities.
• At least 3 years of experience working with Amazon Web Services, Google Cloud Platform, or Microsoft Azure.
• At least 5 years of experience with virtualization technologies, including expert knowledge of optimization and industry best practices.
• At least 5 years of hands-on Microsoft Active Directory experience in a large enterprise.
• At least 3 years of experience supporting and administering Citrix environments, such as Citrix XenApp/XenDesktop or Citrix Virtual Apps and Desktops.
• Deep understanding of Windows Server 2016, 2019, and 2022.
• Proficiency administering Microsoft 365 Admin Center, Azure AD, Exchange Online, SharePoint, and Teams.
• Experience managing PKI infrastructure, including internal and external certificate authorities.
• Advanced experience with systems and network observability tools such as DataDog.
• Subject-matter-expert knowledge of VMware ESX(i) Server 7.0 and above, and VMware vCenter.
• Advanced experience with SAN storage technologies and VMware integration, specifically Pure Storage.
• Advanced experience using SAN replication and SRM.
• Advanced experience and knowledge of scripting languages such as PowerShell, Perl, or Python.
• Excellent knowledge of DNS, DHCP, SMTP, SNMP, and other TCP/IP protocols and services supporting virtualization and storage technologies.
• Exceptional customer service skills and extensive experience working in a team-oriented, collaborative environment.
• Ability to accomplish tasks with minimal supervision.
• Excellent written and verbal communication skills and ability to interact effectively with IT Infrastructure groups.
• Ability to prioritize and execute tasks in a high-pressure environment and make sound decisions in emergency situations.
• Understanding and application of ITIL principles and practices in relation to organizational goals and objectives.
• Ability to keep technical and other documentation current for new and existing systems, including inventory, change control, and process functionality documentation.

Nice To Haves

• ITIL certification.
• AWS Certified Solutions Architect certification.
• MCSE or Microsoft Certified: Azure Administrator certification.
• Citrix Certified Associate/Professional (CCA-V/CCP-V) certification.
• VMware VCP certification.
• Expert or working knowledge of Cisco UCS and HPE Intel-based server hardware and deployment.
• Expert or working knowledge of supporting Windows Server operating systems in a virtual environment.
• Good understanding of virtualization platforms beyond VMware, such as Citrix, KVM, and Hyper-V.
• Knowledge of enterprise-class storage and networking solutions such as Pure Storage, EMC VNX, Cisco UCS, and Cisco Nexus.
• Experience working with vendors to obtain timely solutions under support contracts.
• Knowledge of company policies and procedures, including RFCs, procurement procedures, and asset tracking.

Responsibilities

• Design and manage scalable, secure, high-performance AWS cloud infrastructure.
• Implement AWS IAM policies, roles, and federated identity integrations with Active Directory.
• Build and maintain cloud automation and provisioning using CloudFormation, Terraform, or similar infrastructure-as-code tools.
• Manage AWS services including EC2, S3, RDS, VPC, CloudWatch, Lambda, and Systems Manager.
• Support hybrid-cloud architecture, including Active Directory domain controllers and workloads in AWS.
• Optimize costs and resource utilization through monitoring, automation, and lifecycle management.
• Design, implement, and manage Active Directory Domain Services, DNS, DHCP, and Group Policy Objects.
• Maintain the enterprise VMware virtualization environment, including troubleshooting, performance monitoring and optimization, capacity planning, and continuity planning.
• Assist with planning, designing, and implementing new virtualization technology solutions.
• Ensure security, compliance, and operational standards are met across on-premises and cloud environments.
• Automate administrative tasks using PowerShell, AWS CLI, and Python.
• Collaborate with cross-functional teams on cloud migration, disaster recovery planning, and infrastructure modernization initiatives.
• Maintain Citrix Virtual Apps and Desktops and Citrix Cloud environments.
• Use observability tools to support high availability and respond quickly to incidents and outages.
• Document system configurations, procedures, and best practices.
• Maintain current expertise through certifications, seminars, and related activities.
• Work with hardware and software vendors to resolve issues and outages in a timely manner.
• Respond effectively to production issues and take responsibility for their resolution.
• Participate in an on-call rotation supporting systems outside normal business hours.
• Assist with planning and deploying infrastructure security measures.
• Analyze existing operations and recommend improvements to relevant IT systems.
• Participate in post-mortem meetings, develop safeguards, and implement recommended changes to prevent recurring outages.
• Provide operational support to keep IT infrastructure running.
• Process level-three requests and incidents from the user community while ensuring service-level agreements are met.
• Implement new systems or improve existing systems to align with company objectives.
• Collaborate with teams across the organization to realize company objectives.

Benefits

• Annual bonus potential of 10%.

What This Job Offers

• Job Type: Full-time
• Career Level: Senior