Senior Windows Systems Administrator
National Center for Biotechnology Information (NCBI)
·Jun 11, 2026
- Location
- Bethesda, MD · Bethesda, Maryland, United States
- Workplace
- Remote, Hybrid
- Department
- Window Server (IRB-Windows Server)
- Seniority
- Senior
- Source
- Greenhouse
Description
Overview
Black Canyon Consulting (BCC) is searching for a Senior-level Windows Systems Administrator to handle the day-to-day management, optimization, and security of our core infrastructure systems. In this role, you will maintain our primary Microsoft environment, plan unified infrastructure deployment strategies via Microsoft Configuration Manager (MECM/SCCM), and serve as an expert-level technical resource providing backup and primary support for complex Active Directory (AD DS) duties.
The ideal candidate will possess deep technical proficiency across the Microsoft server ecosystem, including Active Directory, Entra ID, ADFS, IIS, SQL Server, Hyper-V, and MECM, while bringing strong hands-on administration experience in multi-cloud environments spanning Amazon Web Services (AWS) and Google Cloud Platform (GCP).
We attract the best people in the business with our competitive benefits package that includes medical, dental and vision coverage, 401k plan with employer contribution, paid holidays, vacation, and tuition reimbursement. If you enjoy being a part of a high performing, professional service and technology focused organization, please apply today!
Responsibilities
- Windows Server Lifecycle Management: Deploy, configure, patch, and maintain Windows Server (2019/2022) operating systems across physical, virtual, and cloud architectures . Monitor system performance, resource utilization, and event logs to proactively identify and resolve infrastructure issues.
- Active Directory & Identity Management: Execute advanced Active Directory administration, including forest/domain management, Group Policy Object (GPO) engineering, replication topology troubleshooting, and critical security audits. Serve as a primary escalation point for complex AD duties.
- Hybrid Cloud Identity Integration: Manage, configure, and troubleshoot identity synchronization between on-premises Active Directory and Microsoft Entra ID.
- Federation & Single Sign-On (SSO): Architect, maintain, and secure Active Directory Federation Services (ADFS) to deliver seamless authentication across legacy internal services and modern SaaS endpoints.
- Enterprise Configuration & Systems Management: Engineer, maintain, and troubleshoot Microsoft Configuration Manager (MECM/SCCM) infrastructure. Own enterprise-wide software distribution, Operating System Deployment (OSD) task sequences, configuration items, and automated infrastructure patch management workflows.
- Web & Application Server Administration: Oversee the configuration, performance tuning, and security hardening of Internet Information Services (IIS) hosting critical web applications. Manage SSL/TLS certificate lifecycles.
- Virtualization Infrastructure: Administer on-premises Hyper-V clustered environments, maximizing compute efficiency, managing virtual networking, and ensuring reliable storage allocations.
- Database Infrastructure Support: Provide essential secondary infrastructure support for Microsoft SQL Server, including environment provisioning, health monitoring, and ensuring robust redundancy and scalability .
- Multi-Cloud Administration: Bridge the gap between local enterprise services and cloud infrastructure by managing, provisioning, and maintaining target environments within AWS and GCP.
- Backup, Recovery & Security: Design and execute business continuity and disaster recovery plans. Comply with Zero-Trust access methodologies, robust vulnerability patch management, and maintain rigorous baseline technical compliance.
Required Qualifications
- Experience Level: 5+ years of dedicated experience in Windows Systems Administration, with at least 2-3 years in a senior or lead capacity.
- Active Directory Expertise: Proven history resolving complex AD anomalies (replication topology issues, schema extensions, deep-dive troubleshooting, and multiplatform integration).
- Hybrid & Cloud Proficiency: Direct operational experience maintaining infrastructure footprints inside both AWS and GCP, including secure cross-platform networking back to on-premises resources.
- Scripting & Automation: Strong proficiency utilizing PowerShell to replace manual administrative workflows, manage bulk configurations, and extract system metrics.
- Soft Skills: Exceptional analytical thinking, problem-solving under pressure, and cross-team communication skills.
Technical Environment Matrix
- Operating Systems: Windows Server 2019 / 2022.
- Core Identity & Auth: Active Directory (AD DS), Microsoft Entra ID, ADFS, Kerberos, NTLM, SAML.
- Systems Management & Distribution: Microsoft Configuration Manager (MECM / SCCM), WSUS, Group Policy (GPO).
- Microsoft Ecosystem: IIS, SQL Server (2019/2022), Hyper-V Failover Clusters, System Center Virtual Machine Manager, Microsoft Configuration Manager
- Cloud Platforms: Amazon Web Services, Google Cloud Platform, and Microsoft Azure
- Automation: Advanced PowerShell scripting for infrastructure automation, bulk object provisioning, and data harvesting.
Benefits and Salary
We attract the best people in the business with our competitive benefits package, including medical, dental, and vision coverage; a 401(k) plan with employer contribution; paid holidays, vacation, and tuition reimbursement.
We offer a competitive salary commensurate with experience and location. If you enjoy being part of a high-performing, professional, technology-focused organization, please apply today!