Senior IT Systems Administrator - Lead

Position Summary

The Senior IT Systems Administrator – Lead oversees the company’s information technology infrastructure, cybersecurity posture, and system performance across all business operations. This role exercises independent judgment in developing and implementing IT standards, ensuring data security compliance, managing enterprise systems, and leading the IT team in day‑to‑day operations. The Senior IT Systems Administrator requires advanced technical knowledge, leadership, and the ability to make strategic decisions that impact organizational efficiency, cybersecurity readiness, and technology optimization.

• Lead and manage the daily operations of the IT department, including prioritizing and assigning work to IT staff.
• Plan, coordinate, and oversee all IT infrastructure activities, including network administration, system performance, software deployment, and data security.
• Administer and maintain enterprise systems, servers, and virtualization environments to ensure optimal uptime and reliability.
• Oversee and continuously improve the IT ticketing system, establish Service Level Agreements (SLAs), and monitor team performance against established KPIs.
• Exercise independent judgment to evaluate, recommend, and implement technology solutions that support business objectives.
• Serve as the primary escalation point for complex user, software, hardware, and connectivity issues requiring advanced technical or analytical skills.
• Lead root cause analysis for recurring problems and develop long‑term resolutions and process improvements.
• Develop and maintain cybersecurity policies, procedures, and systems in compliance with CMMC and NIST 800‑171 standards.
• Ensure compliance with all applicable data security, confidentiality, and access control requirements.
• Collaborate with senior leadership to identify business needs, evaluate system enhancements, and plan IT‑related capital improvements.
• Author and maintain detailed process documentation, standard operating procedures (SOPs), and best practice guidelines.
• Provide technical guidance, mentorship, and performance feedback to IT team members.
• Manage and approve software and hardware purchases within approved budgets.
• Stay current with emerging technologies and make recommendations to improve IT strategy, cybersecurity, and operational efficiency.

• Bachelor’s degree in Information Technology, Computer Science, or related field preferred; equivalent experience considered.
• Advanced training or certifications in computer networks or systems administration strongly preferred.
• Minimum of 5 years of progressive experience in IT systems administration; 2 years in a leadership role preferred.
• Professional certifications such as CompTIA+, CCNA, CISSP, or equivalent preferred.
• Demonstrated experience managing enterprise‑level Microsoft 365 (GCCH) environments, including Entra, Intune, Security, Compliance, SharePoint/One Drive, and Teams.
• Strong knowledge of Active Directory, Group Policy Management, and Office 365 Administration.
• Proficient in Power Shell scripting and process automation.
• Working knowledge of Linux systems.
• Proven ability to develop and maintain technical documentation and best practices.

• Proven leadership skills with the ability to manage and develop a technical team.
• Strong analytical, problem‑solving, and project management capabilities.
• Excellent organizational, verbal, and written communication skills.
• Ability to exercise independent judgment and discretion on matters of significance to the organization.
• Strong understanding of cybersecurity frameworks and compliance requirements.
• U.S. Citizen or permanent resident with an active or eligible security clearance (Secret or Top Secret).

Must be able to communicate effectively and professionally with colleagues, vendors, and management.

Ability to analyze complex technical and business problems, evaluate solutions, and make sound recommendations. Must demonstrate initiative, critical thinking, and decision‑making autonomy.

Ability to lift and handle computing hardware up to 30…