Senior IT Systems Admin

Senior IT Systems Admin IT/Software Hollywood, Maryland Direct Hire May 5, 2026

Overview:

ExecuSource is seeking a Senior IT Systems Administrator to support and optimize internal infrastructure, systems, and end-user environments. This hands-on role serves as a high-level escalation point (Level 3 support) while contributing to network design, security, and overall system performance. The ideal candidate brings deep technical expertise across infrastructure, networking, and cloud environments, along with experience maintaining secure, compliant systems (CMMC-aligned).

Responsibilities:

Design, implement, and maintain

LAN/WAN/VPN

network environments Install, configure, and manage routers, switches, and firewalls Monitor system performance, network health, and security threats Administer Microsoft 365, Entra ID, and Intune environments Manage servers, infrastructure, and endpoint devices across the organization Provide support to both onsite and remote users Serve as a Level 3 escalation point for complex technical issues Maintain documentation including SOPs, workflows, and system configurations Oversee backup processes, disaster recovery planning, and security policies Ensure compliance with CMMC and other security standards Manage user provisioning, permissions, and access controls

Qualifications:

10+ years of experience in systems and/or network administration Strong experience with Microsoft 365, Entra ID, and Intune Deep knowledge of networking (routing, switching, VPNs, TCP/IP) Experience working in AWS and/or Azure cloud environments Experience with endpoint management, vulnerability management, and patching Strong troubleshooting skills with the ability to resolve complex issues independently Ability to manage multiple priorities and projects in a fast-paced environment Bachelor's degree in Computer Science, IT, Engineering, or related field (or equivalent experience)

Preferred Qualifications:

Experience with Microsoft Windows Server 2019/2022 Familiarity with Cisco networking equipment Experience with AWS WorkSpaces or similar virtual desktop environments Relevant certifications such as CompTIA Network+, Security+,

MCSE, CISSP, CCNA/CCNP/CCIE Additional Information:

Minimal travel required Must be eligible for security clearance (U.S. Citizenship required)

Benefits:

Medical, Dental, and Vision coverage (employer-shared) 401(k) plan Paid time off and 11 paid holidays Additional voluntary benefits Strong, collaborative company culture