Systems and Network Administrator

Network Administrator

SysArc is seeking a Washington, DC area-based Network Administrator with expertise in Windows Server, Microsoft 365, hybrid cloud environments, and network infrastructure to support our growing MSP client base.

We are one of the few MSPs in the market with a mature cybersecurity practice that has been fully operational for several years. We have developed vertical market expertise within the Aerospace & Defense industry and are one of the leaders in DFARS/NIST 800-171/CMMC compliance solutions and are expecting this market to substantially accelerate over the next several years.

As a leading MSP in this space, SysArc offers growth opportunities for Network Administrators looking to advance into cloud engineering, cybersecurity, or senior infrastructure roles. The ideal candidate has 3–5 years of experience supporting and managing production network and server environments within an MSP or multi-client setting. This individual is proactive, organized, and committed to identifying and resolving systemic risks before they impact client operations.

We are seeking someone who thrives on structured processes, values documentation, and is enthusiastic about driving long-term stability, security, and scalability across client environments. If you are an experienced Network Administrator with MSP experience and strong Windows Server, network infrastructure, and Microsoft 365 skills, we encourage you to apply.

Core Competencies

• Network administration (LAN/WAN, switches, routers, firewalls)
• Windows Server & Active Directory administration
• Microsoft 365 & Azure administration
• Virtualization: VMware / HyperV
• Network security, MFA, Conditional Access
• Backup and disaster recovery support
• MSP / multiclient environment experience
• Troubleshooting and rootcause analysis
• NIST 800171 / CMMC knowledge
• Strong written and verbal communication skills, including the ability to explain technical concepts to non-technical stakeholders

Responsibilities

• Perform proactive technology alignment reviews using MyITprocess
• Identify risks, deficiencies, technical debt, and systemic issues before they impact client operations
• Develop and execute remediation plans to improve stability, performance, and security
• Serve as a technical escalation resource for complex network and system issues
• Configure, monitor, and maintain network devices including switches, routers, firewalls, VPNs, and wireless access points
• Troubleshoot LAN/WAN connectivity and performance issues
• Manage VLANs, routing, firewall rules, intrusion prevention, and network security policies
• Monitor system health, resource utilization, availability, throughput, and latency
• Administer and support Windows Server environments including Active Directory, Group Policy, DNS/DHCP, and file/print services
• Manage hybrid identity environments including AD synchronization and Entra ID integration
• Support and maintain virtualized environments (VMware and/or Hyper-V)
• Configure and maintain Windows endpoint operating environments
• Administer Microsoft 365 tenants including Exchange Online, SharePoint, and Teams
• Manage Microsoft Azure infrastructure and hybrid cloud environments
• Implement and maintain Conditional Access, MFA, and identity security controls
• Manage user accounts, permissions, and authentication across client systems
• Perform patch management, system updates, vulnerability remediation, and endpoint security configuration
• Administer and monitor backup and disaster recovery platforms
• Perform backup testing and recovery validation to ensure business continuity readiness
• Maintain integrity of network infrastructure, server deployments, backup systems, and security controls
• Document all findings, changes, recommendations, and resolutions according to MSP standards
• Maintain accurate network diagrams and technical documentation
• Collaborate with vCIOs and project teams to align technical recommendations with business objectives
• Contribute to standards development and long-term infrastructure improvements
• Provide onsite support and client-facing technical guidance when required
• Participate in the after-hours On-Call schedule, including 1 weekend every 8 weeks

Qualifications

• 3–5 years of hands-on experience supporting and managing production network and server environments in SMB and Enterprise Environments
• Experience with MSP service model and tooling
• Ability to travel to client sites in the Washington, DC Metropolitan area
• Applicant should have or be able to demonstrate equivalency for the following IT Certifications:
• Network+
• Security+
• Microsoft Associate-level certification
• Ideally seeking applicants with or with equivalency in one of the following IT Certifications:
• CCNA
• Microsoft Certified: Azure Administrator Associate
• Microsoft 365 Certified: Administrator Expert
• Microsoft Certified: Windows Server Hybrid Administrator Associate

Salary

• $85,000–$105,000 depending on experience and qualifications