Thornburg Investment Management · 18 hours ago
Senior Systems Administrator
Santa Fe, NM
Full-time
Onsite
Senior Level
6+ years expThornburg Investment Management is a global investment firm focused on delivering strategies for institutions and investors worldwide. The Senior Systems Administrator will play a critical role in ensuring the stability, security, and modernization of the firm's technology environment by managing enterprise infrastructure across various platforms and driving the adoption of Microsoft enterprise solutions.
FinanceFinancial Services
Responsibilities
Ensure the stability, availability, and performance of enterprise systems, proactively identifying opportunities to modernize infrastructure and strengthen operational resilience
Administer and enhance Windows Server environments (2016+), including patching, upgrades, automation, and lifecycle management aligned with modern Microsoft platform capabilities
Manage and optimize core identity and directory services - Active Directory, DNS, DHCP, and Group Policy - while advancing the organization’s use of cloud-based identity solutions such as Azure AD
Lead the adoption and administration of Microsoft 365 services, including Exchange Online, SharePoint Online, Teams, and related integrations, ensuring the business fully leverages new and emerging capabilities
Drive modernization of endpoint management through Microsoft Intune and Microsoft Endpoint Configuration Manager (MECM), improving device compliance, security, and user experience
Support and optimize VMware vSphere and VDI environments, ensuring a secure, scalable, and high-performing virtualization footprint
Strengthen security posture across SaaS platforms, implementing and improving controls such as SSO, MFA, Conditional Access, and ongoing access governance
Monitor enterprise systems using modern monitoring and analytics tools, proactively diagnosing issues, identifying trends, and implementing corrective and preventative actions
Execute and refine backup, recovery, and disaster resilience strategies to ensure data protection and continuity across hybrid environments
Enforce security standards and internal policies, collaborating with IT leadership to align operational practices with regulatory and organizational requirements
Support planned maintenance activities, including after-hours work when necessary, to maintain secure and reliable operations
Collaborate across IT and business teams, sharing expertise, contributing to technology roadmap initiatives, and mentoring junior staff to help elevate team capabilities
Perform additional duties as needed to support technology modernization and overall business objectives
Participate in the Infrastructure team’s on-call shift rotation
Qualification
Required
Bachelor's degree in Computer Science, Information Systems, or a related field, or equivalent professional experience
6+ years of experience supporting enterprise IT infrastructure, including data centers, virtualization, storage, networking, and server platforms
Experience with AWS and/or Microsoft Azure
Exposure to Microsoft Purview and Microsoft security solutions
Extensive experience administering and modernizing Windows Server environments (2016+), including patching, automation, upgrades, and lifecycle management in hybrid Microsoft ecosystems
Deep expertise in identity and directory services, including Active Directory, DNS, DHCP, and Group Policy, with hands-on experience advancing organizations toward Azure AD and cloud-based identity models
Proven experience implementing and optimizing Microsoft 365 services, such as Exchange Online, SharePoint Online, Teams, and related integrations—with a strong focus on enabling adoption of new capabilities as they are released
Strong proficiency with modern endpoint management, including Microsoft Intune and Microsoft Endpoint Configuration Manager (MECM), particularly in designing compliance policies, app deployment strategies, and security baselines
Experience administering virtualization platforms, including VMware vSphere and VDI, with emphasis on performance, capacity, and lifecycle management
Hands-on experience with SaaS application security, including SSO, MFA, Conditional Access, identity governance, and continuous improvement of access and authentication controls
Strong understanding of enterprise security principles, including monitoring, incident response, vulnerability management, and alignment with regulatory and organizational requirements
Experience supporting hybrid cloud environments, including AWS and/or Microsoft Azure, with working knowledge of cloud networking, virtual machines, identity integration, and resilience strategies
Excellent troubleshooting, analytical, and root-cause analysis skills, with a proven ability to diagnose complex cross-platform issues
Strong written, verbal, and interpersonal communication skills, with an ability to collaborate across teams and contribute to technology roadmap initiatives
Strong sense of ownership and accountability, consistently driving systems, processes, and initiatives to successful outcomes
Detail-oriented and methodical, ensuring accuracy, consistency, and high-quality execution across operational and project work
Preferred
Relevant industry certifications are a plus
Benefits
Medical, dental, and vision coverage.
Employer 401(k) safe harbor and profit-sharing contributions.
Work/life programs such as flexible work arrangements, flexible paid time off, paid parental leave, employee assistance plan, commuter benefits, student loan repayment program, education reimbursement program
Community involvement opportunities.
Onsite cafeteria.
Onsite fitness center.
Referral Program.
Company
Thornburg Investment Management
Thornburg Investment Management have a clear mission to preserve and increase the real wealth of investors.
201-500 employees
H1B Sponsorship
Thornburg Investment Management has a track record of offering H1B sponsorships. Please note that this does not
guarantee sponsorship for this specific role. Below presents additional info for your
reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (2)
2024 (3)
2023 (3)
2022 (5)
2021 (3)
2020 (2)
Funding
Current Stage
Growth StageLeadership Team
N
Nimish S. Bhatt
Chief Financial Officer, Treasurer & Managing Director
Garrett Thornburg
Founder and Chairman
Recent News
2025-10-15
Institutional Investor
2025-09-30
Company data provided by crunchbase