Sr. Systems Engineer Infrastructure & Site Operations

Position Summary

The Senior Systems Engineer will serve as a senior technical resource within Karman’s Infrastructure & Site Operations organization. This role is responsible for designing, implementing, maintaining, securing, and supporting enterprise infrastructure, cloud services, endpoint platforms, Microsoft 365 / GCC High services, identity systems, backup/recovery, monitoring, and site technology environments.

The Senior Systems Engineer will serve as a senior technical resource within Karman’s Infrastructure & Site Operations organization. This role is responsible for designing, implementing, maintaining, securing, and supporting enterprise infrastructure, cloud services, endpoint platforms, Microsoft 365 / GCC High services, identity systems, backup/recovery, monitoring, and site technology environments.

Reporting into the IT Director, Infrastructure & Site Operations, this role will provide hands‑on engineering support across corporate and site environments, including servers, endpoints, identity, networking, collaboration platforms, cloud services, infrastructure tools, and operational support systems.

The Senior Systems Engineer will partner closely with Service Desk, Cybersecurity, Business Systems, Enterprise Integration & PMO, AI/Data, vendors, and site leadership to improve service reliability, endpoint compliance, infrastructure standardization, operational resilience, and supportability across Karman’s enterprise.

This role requires a strong technical generalist with deep systems engineering experience, strong troubleshooting skills, security awareness, and the ability to operate effectively in a regulated aerospace and defense environment.

• Design, implement, maintain, and support enterprise infrastructure services across corporate and site environments.
• Administer and support Windows Server, Active Directory, DNS, DHCP, Group Policy, file services, print services, certificate services, and related infrastructure platforms.
• Support virtualization, server, storage, backup, monitoring, and infrastructure management platforms.
• Maintain infrastructure standards, configurations, documentation, diagrams, runbooks, and operational procedures.
• Monitor infrastructure health, performance, capacity, availability, and security posture.
• Troubleshoot complex infrastructure issues and drive root cause analysis for recurring problems.
• Support lifecycle management, patching, upgrades, migrations, refreshes, and technical debt reduction.
• Participate in infrastructure change planning, maintenance windows, outage response, and service restoration.

• Support Microsoft 365 / GCC High services, including Exchange Online, Teams, SharePoint, One Drive, Outlook, and related collaboration tools.
• Administer and troubleshoot M365 services, licensing, mail flow, Teams collaboration, SharePoint access, One Drive sync, and user productivity issues.
• Partner with Cybersecurity and Compliance on external sharing, information protection, retention, audit logging, conditional access, CUI handling, and secure collaboration practices.
• Support Teams meeting rooms, conference room technology, audio/video collaboration, and executive collaboration needs.
• Assist with M365 governance, adoption, configuration standards, and operational support documentation.
• Support future collaboration, Copilot, automation, knowledge management, and SharePoint enablement efforts as needed.

• Support identity and access management platforms, including Active Directory, Entra  / Azure AD, SSO, MFA, conditional access, privileged access, and access lifecycle processes.
• Partner with Cybersecurity on identity hardening, access reviews, privileged access controls, account hygiene, and incident response.
• Support endpoint management platforms such as Microsoft Intune, Autopilot, Configuration Manager/SCCM, Defender for Endpoint, or related tools.
• Build and maintain standard endpoint configurations, deployment profiles, compliance policies, application packages, and device management processes.
• Support…