NSCG is looking for a System Administrator to keep our IT environment secure, reliable, and running smoothly for approximately 300 on-premises and remote users. You will manage identities, devices, networks, and security tools across both our Microsoft GCC High and commercial (corporate) tenants. This is a hands-on role for someone who enjoys solving problems, automating repetitive work, and improving how things get done.
ResponsibilitiesEnd User and Device Support- Provide technical support to approximately 300 users and their devices, both on premises and remoteTroubleshoot and resolve hardware, software, device, and network issues
- Support and maintain on-premises printers and peripheralsManage device enrollment, configuration, compliance policies, and application deployment through Microsoft Intune
- Maintain accurate documentation of systems, configurations, and support proceduresIdentity and Access ManagementCreate, modify, and disable user accounts across the full employee lifecycle (onboarding, role changes, offboarding)
- Administer users, groups, licenses, and permissions in Microsoft Entra IDEnforce least privilege, multi-factor authentication, and conditional access policies
- Perform periodic access reviews and remove stale or unnecessary accountsMicrosoft 365 and Cloud AdministrationAdminister and support both the GCC High and commercial Microsoft 365 tenants
- Maintain clear separation of data and configuration between tenants in line with compliance requirementsManage Exchange Online, SharePoint, Teams, and OneDrive settings and policiesNetwork and Infrastructure
- Maintain on-premises network infrastructure, including switches, wireless, and cablingConfigure, monitor, and manage firewalls, including rules, VPN, and firmware updates
- Monitor network performance and availability, and resolve outagesApply patches and updates to servers, network devices, and endpointsSecurity and Compliance
- Operate and tune intrusion detection and prevention systems (IDS/IPS)Monitor security alerts and logs, and respond to and escalate incidents
- Support compliance efforts such as CMMC and NIST SP 800-171, including evidence collection and audit preparationSupport vulnerability scanning and remediation
- Maintain backup and recovery processes and test restores regularlyAutomation and Continuous ImprovementWrite and maintain scripts (e.g., PowerShell) to automate routine administrative tasks
- Identify recurring issues and recommend or implement lasting fixesEvaluate new tools and processes that improve security, efficiency, or the user experienceRequired Qualifications
- 2+ years of experience in system administration, IT support, or a related role (paid or unpaid)
- US Citizen
- CompTIA Security+ or the ability to obtain it within 3 months of hire
Desired Qualifications- Bachelor’s degree in Cybersecurity, Information Technology, Computer Science, or a related field
- Certified CMMC Professional (CCP)
- Additional CompTIA certifications
- Microsoft security or Azure certifications
- Identity and access management (IAM)
- Automation scripting (e.g., PowerShell, Python, or Bash)
- Microsoft 365 administration
- Endpoint management with Microsoft Intune or similar tool
- Network fundamentals: TCP/IP, NCS, DHCP, VLANs, and VPN
- Firewall configuration and management
- Experience supporting a Microsoft GCC High environment
- Familiarity with CMMC, NIST SP 800-171, or DFARS compliance requirements
- Azure networking (virtual networks, network security groups, VPN gateways)
- Creating and managing virtual machines (VMs) in Azure or Hyper-V
- Azure Virtual Desktop (AVD) management
- Supporting software development teams, including CI/CD pipelines (e.g., Azure DevOps or GitHub Actions)
- Experience with SIEM or EDR tools such as Microsoft Sentinel or Microsoft Defender for Endpoint
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