Senior Systems Administrator

Fulcrum Vets is looking to add a Senior Systems Administrator with expertise in supporting Windows Server Active Directory environments to join our team. This position will play a key role in the management, optimization, securing, and troubleshooting of environments, ensuring seamless and reliable operations for the organization.

This position will be onsite in Chantilly, VA.

Clearance:
An active Top Secret/SCI clearance with CI Poly is required. Candidates who do not meet these clearance requirements will not be considered.

• Designing, implementing, and maintaining environments, including vCenter, ESXi hosts, and virtual machines.
• Performing regular backups, disaster recovery, and high‑availability configurations for VMware environments.
• Troubleshooting and resolving VMware‑related issues, including performance bottlenecks, connectivity problems, and resource allocation.
• Automating routine VMware tasks using Power
  
  CLI and other scripting tools to improve efficiency.
• Managing, monitoring, and troubleshooting Active Directory (AD) and Group Policy infrastructure.
• Administering and supporting user and group management, including security and distribution groups within Active Directory.
• Assisting in the design, implementation, and maintenance of AD services such as DNS, DHCP, and authentication.
• Configuring and implementing security policies and configurations, including Group Policies.
• Conducting regular audits and health checks and resolving issues promptly.
• Overseeing the deployment, configuration, and maintenance of system hardware and software.
• Ensuring uptime and performance of critical systems, including servers, storage, and network infrastructure.
• Collaborating with other IT teams to manage system integration, configuration, and upgrades.
• Providing leadership and mentoring to junior administrators and technical support teams.
• Implementing security configurations for Active Directory environments and ensuring systems meet industry standards and compliance requirements.
• Regularly reviewing security logs and identifying and addressing potential vulnerabilities or weaknesses.
• Responding promptly to escalated system and infrastructure incidents and providing root cause analysis.
• Creating and maintaining comprehensive documentation for systems architecture, processes, and configurations.
• Preparing reports on system performance, resource utilization, and incident resolution for management.

• Active TS/SCI with active CI Polygraph clearance.
• Bachelor’s degree in Computer Science, Information Technology, or a related field, or equivalent work experience.
• Extensive experience with Active Directory, including user/group management, Group Policy, and DNS/DHCP.
• Strong knowledge of Windows Server and client operating systems.
• Experience with Power Shell scripting for automation, management, and reporting.
• Expertise in troubleshooting and resolving complex system issues in hardware and software.
• Strong knowledge of IT security principles, including encryption, firewalls, and intrusion detection/prevention.
• Experience with backup and disaster recovery strategies.
• Full‑time work in a Sensitive Compartmented Information Facility (SCIF) is required, with flexible hours.

• Strong analytical and troubleshooting skills with a detail‑oriented focus on high‑quality results.
• Excellent communication and interpersonal skills, with the ability to work independently as well as part of a team.
• Ability to manage multiple projects and prioritize tasks effectively.