Senior Infrastructure Engineer

Insight Global; Billerica (MA); On-site; USD 100,000 - 130,000; Full time

Job summary

A staffing agency is seeking a Sr. Infrastructure Engineer to design and maintain cloud and on-prem infrastructure in a biotech environment. The ideal candidate should have over 8 years of experience in Windows server administration, networking, and storage, along with hands-on scripting skills. Responsibilities include ensuring system availability, developing automation solutions, troubleshooting issues, and mentoring team members. This hands-on role emphasizes collaboration and driving innovation in critical environments.

Qualifications

• 8+ years of experience with Windows server administration.
• Experience with VMware, Entra ID, and Azure resources.
• Advanced understanding of networking and storage.
• Hands-on scripting and automation experience (PowerShell, Bash, or Python).

Responsibilities

• Build, maintain, and optimize enterprise cloud and on-prem infrastructure systems.
• Ensure high availability, disaster recovery, and performance of mission-critical systems.
• Develop automation scripts and testing procedures.
• Perform system hardening and monitoring.
• Troubleshoot complex hardware and software issues.
• Manage virtualization solutions and enterprise storage.
• Administer Microsoft Server environments and authentication technologies.
• Support network standards and provide Tier 3 escalation support.
• Evaluate new technologies and lead modernization initiatives.
• Mentor team members and support cross-functional collaboration.
• Conduct security reviews and inspections.

Skills

Windows server administration

VMware

Entra ID

Azure resources

Networking

Storage

Scripting (PowerShell, Bash, Python)

Job description

Insight Global is seeking a Sr. Infrastructure Engineer to join one of our clients in the biotech industry. This engineer will play a key role in designing, maintaining, and scaling an enterprise-level cloud and on-prem infrastructure environment. The ideal candidate is a proactive, strategic thinker who can own complex solutions, collaborate across IT teams, and drive innovation in a mission-critical environment. This is a hands‑on engineering role supporting high availability systems, automation efforts, modern authentication, virtualization, storage, cloud services, and enterprise security initiatives.

Key Responsibilities:

• Build, maintain, and optimize enterprise cloud and on-prem infrastructure systems across the entire solution delivery lifecycle — from requirements and architecture to deployment and support.
• Ensure high availability, disaster recovery, business continuity, and performance of mission‑critical systems.
• Develop automation scripts, implementation plans, and testing procedures to support reliable operations.
• Perform system hardening, patching, configuration management, monitoring, and alerting.
• Troubleshoot complex hardware and software issues and coordinate with vendors and internal teams as needed.
• Manage virtualization solutions (VMware/ESXi), enterprise storage, and backup technologies to ensure robust capacity and performance.
• Administer Microsoft Server environments, Active Directory, Entra ID, Office 365, Azure, AWS, and authentication technologies (LDAP, SAML, NPS, SSO).
• Support network segmentation, firewall standards, ACLs, VPN, DNS, DHCP, FTP, SMTP, NFS, SNMP, BGP, SSH, and SFTP.
• Provide Tier 3 escalation support in partnership with the Service Desk.
• Evaluate new technologies, recommend improvements, and lead modernization initiatives.
• Mentor team members and support cross‑functional collaboration within the IT organization.
• Conduct security reviews, inspections, and monitoring to mitigate potential vulnerabilities.

REQUIRED SKILLS & EXPERIENCE:

• 8+ years of experience with Windows server administration
• Experience with VMware, Entra ID, and Azure resources.
• Advanced understanding of networking and storage
• Hands‑on scripting and automation experience (PowerShell, Bash, or Python)