Senior System Administrator: Lead Enterprise IT Ops

Globenet Consulting Corp; Bellevue (WA); On-site; USD 90,000 - 130,000; Full time

Benefits offered by this job

Competitive salary

Advancement opportunities

Training & development

Job summary

The AES Group is seeking an experienced System Administrator to lead enterprise infrastructure operations and guide a team of ~15 professionals. You will ensure system reliability, security, performance, and efficiency while driving automation.

Responsibilities include managing Windows Server environments, AD, GPOs, SCCM, and virtualization with VMware. Strong collaboration and documentation skills are essential for success in a fast-paced, mission-critical setting.

Qualifications

• Active Secret security clearance required.
• 6–10 years of system administration experience.
• CompTIA Security+ CE certification.
• CompTIA Server+, MCSA, MCP, or an equivalent Windows Server certification.
• Strong experience administering Windows Server environments.
• Hands-on experience with Active Directory, Group Policy, and Microsoft SCCM.
• Strong knowledge of virtualization technologies.
• Experience with patch management, backups, monitoring, and server maintenance.
• Excellent troubleshooting, analytical, communication, and documentation skills.
• Ability to lead technical teams, work independently, and manage competing priorities.

Responsibilities

• Lead the configuration, operation, maintenance, and support of enterprise information systems.
• Guide technical teams and coordinate daily infrastructure operations.
• Administer Windows Server environments, including domain controllers, application servers, and file servers.
• Manage Active Directory, Group Policy Objects, permissions, and system access.
• Deploy software, patches, and updates using Group Policy and Microsoft SCCM.
• Administer physical and virtual servers, storage platforms, backup systems, and application environments.
• Support VMware and other virtualized infrastructure.
• Monitor system performance, availability, security, connectivity, logs, and backups.
• Perform capacity planning, resource optimization, and infrastructure performance analysis.
• Recommend server, storage, network, and platform upgrades.
• Automate administrative tasks through scripts, tools, and documented procedures.
• Troubleshoot complex system issues and respond to critical incidents.
• Maintain lab environments for testing updates before production deployment.
• Provide software installation, maintenance, and end-user support.
• Develop technical documentation, operational reports, training materials, and project updates.
• Participate in infrastructure design discussions and provide technical recommendations.
• Manage multiple priorities and support scheduled maintenance activities.

Skills

Active Directory

Group Policy

SCCM

Windows Server

VMware

Troubleshooting

Documentation

Team leadership

Tools

Microsoft SCCM

Microsoft Hyper-V

Job description

The AES Group is seeking an experienced System Administrator to lead enterprise infrastructure operations and guide a team of ~15 professionals. You will ensure system reliability, security, performance, and efficiency while driving automation.

Responsibilities include managing Windows Server environments, AD, GPOs, SCCM, and virtualization with VMware. Strong collaboration and documentation skills are essential for success in a fast-paced, mission-critical setting.