Windows Server Administrator

LLNL•Livermore, CA

2d•Onsite

About The Position

Lawrence Livermore National Laboratory is hiring a Windows Systems Administrator in the Information Technology Operations Division within the Computing Directorate. The role provides advanced technical, infrastructure, and operations support for enterprise Windows systems and related services in a safety-conscious, challenging, rapidly changing, and team-oriented environment. The position requires full-time onsite presence. Hiring may be at either level 393.1 or 393.2, with additional leadership and technical responsibilities assigned at level 393.2. The administrator supports Windows Server, Active Directory, DNS, Group Policy, authentication, enterprise backup systems, and related infrastructure services. Work includes system installation, configuration, maintenance, patching, hardening, security, troubleshooting, automation, cybersecurity operations, technical documentation, and support for infrastructure projects across Corporate and Isolated Networks. At level 393.2, the role also provides technical leadership, advanced consulting, mentorship, and leadership of complex investigations and projects. The role requires the ability to obtain and maintain a DOE Q-level clearance and SCI access. Q-level clearance requires U.S. citizenship. Employees with L or Q clearances are subject to random drug testing, and selected external applicants must pass a post-offer, pre-employment drug test. Depending on duties, work in Limited Areas may restrict possession of personal or laboratory mobile and other wireless-enabled devices.

Requirements

Ability to obtain and maintain a U.S. DOE Q/SCI-level security clearance; Q-level clearance requires U.S. citizenship.
Bachelor’s degree in a computer-related field, or an equivalent combination of education, technical training, and experience.
Substantial experience administering Windows Server environments, including Active Directory, DNS, Group Policy, and related infrastructure.
Extensive experience troubleshooting complex Windows infrastructure and enterprise services, or experience in an equivalent senior support role.
Experience installing, configuring, maintaining, and patching Windows servers and supporting services.
Ability to independently prioritize work, manage multiple assignments, and resolve complex technical problems.
Strong interpersonal, verbal, and written communication skills, with the ability to work independently and collaborate with multidisciplinary teams.
At level 393.2, highly advanced knowledge of and substantial experience with Windows Server, Active Directory, DNS, Group Policy, authentication, and related infrastructure.
At level 393.2, substantial experience providing technical leadership, mentoring technical staff, and resolving complex infrastructure problems.
At level 393.2, substantial experience developing or modifying PowerShell scripts and utilities for administration, monitoring, reporting, and process automation.
At level 393.2, substantial experience leading system upgrades, migrations, disaster-recovery exercises, root-cause investigations, and corrective-action activities.

Nice To Haves

Experience with cybersecurity tools, vulnerability remediation, access controls, security monitoring, and compliance activities.
Experience administering enterprise backup and recovery platforms, including job monitoring, failure remediation, restore operations, retention management, and recovery validation.
Experience with Windows hardening, security baselines, vulnerability remediation, access controls, and cybersecurity monitoring tools.
Experience with enterprise management, patching, software distribution, virtualization, storage, and infrastructure-monitoring tools.
Professional computer or network certification, such as Microsoft, CompTIA, Red Hat, or Cisco certifications.
Experience supporting classified, regulated, isolated, or otherwise security-sensitive computing environments, including NIST-based security controls or comparable authorization activities.
Experience serving as a technical team lead.

Responsibilities

Perform advanced troubleshooting and administration for Windows Server, Active Directory, DNS, Group Policy, authentication, and related system integrations.
Install, configure, maintain, patch, harden, and secure Windows servers and supporting infrastructure services.
Administer enterprise backup systems, including monitoring jobs, remediating failures, performing restores, managing retention, and validating recovery.
Analyze complex incidents, identify root causes, implement corrective actions, and document resolutions.
Develop and maintain PowerShell scripts and utilities for administration, monitoring, reporting, and support automation.
Support cybersecurity operations, including account management, access controls, vulnerability remediation, system monitoring, compliance activities, and preparation of technical artifacts for Assessment and Authorization and ATO activities.
Provide technical guidance and escalation support to Tier 1 and Tier 2 staff, and maintain SOPs, knowledge articles, and system documentation.
Participate in infrastructure upgrades, migrations, disaster-recovery and business-continuity exercises, datacenter operations, and operational improvement projects across Corporate and Isolated Networks.
Perform other duties as assigned.
At level 393.2, diagnose and resolve highly complex Windows, system, network, backup, and integration problems; drive resolution, work with vendors, and manage support cases as needed.
At level 393.2, serve as a technical leader and consultant, provide advanced assistance to the user community, and collaborate with customers on computing environment design and implementation.
At level 393.2, provide technical leadership for complex upgrades, migrations, disaster-recovery activities, cybersecurity remediation, and operational improvement projects.
At level 393.2, mentor Tier 1 and Tier 2 staff and guide troubleshooting, system administration practices, and technical procedures.
At level 393.2, lead root-cause investigations and develop corrective actions for recurring or highly complex incidents.
At level 393.2, support the development, review, and maintenance of technical artifacts and evidence for ATO packages and other compliance activities.