End User Compute Security Specialist

Thornburg Investment Management • Cuyamungue, NM

10h

About The Position

Thornburg is a global investment firm delivering on strategy for institutions, financial professionals and investors worldwide. The privately held firm, founded in 1982, is an active, high-conviction manager of fixed income, equities, and multi-asset solutions.

As an independent firm, Thornburg can take on a wide range of opportunities, explore ideas thoroughly and work across strategies to deliver consistent risk-adjusted outperformance over the long term. The firm attracts free-thinking professionals who are eager to pursue investment outcomes beyond the confines of popular wisdom. From nimble operational capabilities to principles and actions fitting of a global citizen, Thornburg’s world-class investment platform and team are aligned on strategy to serve investors.

The End User Compute (EUC) Security Specialist is responsible for strengthening and safeguarding the organization's desktop, application, and user-level security posture. As a member of the Service Desk within Enterprise Technology Services, this role dedicates approximately 70% of its time to EUC-related security work - including Microsoft Defender-based endpoint protection, Purview data security controls, patching, application governance, secure configuration baselines, inventory accuracy, employee cybersecurity awareness, simulated phishing programs, and email/browser protection. The remaining 30% focuses on advancing Service Desk process maturity, workflow automation through scripting (PowerShell preferred), and assisting with overflow support tickets during peak demand or staff absences.

Requirements

• 3–5+ years combined experience in Service Desk/End User Support and security-related responsibilities.
• Extensive experience supporting Windows and macOS endpoints.
• Hands-on experience with Microsoft Defender for Endpoint, Intune, and related M365 security tools.
• Familiarity with endpoint security tools, secure configuration management, patching, and mobile device management.
• Experience with service management platforms such as Freshservice.
• Knowledge of security frameworks including CIS & NIST.
• Strong documentation, prioritization, and multitasking abilities.
• Professional, empathetic, and proactive customer service orientation.
• Strong ethical judgement suitable for financial services.
• Team-oriented with strong collaboration and communication skills.
• Positive attitude with strong follow-through.
• Desire to grow technically and work with IT groups on cross-functional initiatives.
• Strong attention to detail and organization skills.

Nice To Haves

• Industry certifications such as CompTIA A+, Network+, and Security+ are a strong plus.

Responsibilities

• Manage and improve desktop and application patching programs using Microsoft Endpoint Manager/Intune and Defender for Endpoint insights.
• Administer and monitor desktop application controls, including allow/deny listing and configuration baselines informed by Microsoft security tooling.
• Maintain accurate EUC asset inventory using Microsoft-based management and reporting tools.
• Support email and browser security controls leveraging Microsoft Defender for Office 365.
• Investigate and remediate EUC-level security incidents in partnership with the Infrastructure team.
• Provide guidance and secure-configuration best practices, including automation through scripting.
• Identify Service Desk process improvement opportunities and lead automation initiatives using scripting.
• Develop and maintain clear process documentation, knowledge base articles, and user guides.
• Assist with overflow Service Desk tickets during peak times, vacations, holidays, or staffing gaps.
• Collaborate with team members to ensure a high-quality end-user support experience.
• Participate in EUC and security-related IT projects.
• Coordinate with vendors for troubleshooting and support needs.
• Collaborate with IT teams to align endpoint security with enterprise strategy.
• Participate in the Service Desk’s on-call/shift rotation and perform additional duties as assigned.

Benefits

• Medical, dental, and vision coverage.
• Employer 401(k) safe harbor and profit-sharing contributions.
• Work/life program such as flexible work arrangements, flexible paid time off, paid parental leave, employee assistance plan, commuter benefits, student loan repayment program, and education reimbursement program.
• Community involvement opportunities.
• Onsite cafeteria.
• Onsite fitness center.
• Referral program.

What This Job Offers

• Job Type: Full-time
• Career Level: Mid Level
• Education Level: No Education Listed