Systems Administrator Secret clearance

StaffSource; Brea (CA); On-site; USD 90,000 - 150,000; Full time

Benefits offered by this job

On-site role

After-hours/on-call availability

Job summary

StaffSource is seeking a Systems Administrator with strong Azure and networking expertise to join our on-site team in California. You will own and mature our Azure cloud environment, including architecture, Entra ID, governance, and security posture, and collaborate on hybrid-cloud integrations for on-prem workloads.

Responsibilities include implementing cloud security configurations, Intune configurations, endpoint management, and automated administration using PowerShell, while aligning with

Qualifications

• Hands-on hybrid cloud migration experience with Azure and Ent ra ID governance.
• Experience designing basic network architecture including VLANs, firewall/ACLs, and RADIUS.
• Active Secret security clearance and security certification requirements.

Responsibilities

• Administer Windows Server, AD/Entra ID, endpoint management, and core virtual infrastructure.
• Lead cloud migration projects and implement cloud security configurations.
• Maintain security assessments, vulnerability scans, and incident response readiness.

Skills

Azure networking

Networking expertise

GenAI tools familiarity

Active Directory/Entra ID

Cloud security awareness

Education

Microsoft Azure Certifications

Security+ (CE)

Active Secret security clearance

Tools

Intune

PowerShell

Defender security tooling

Job description

Position Summary

We are seeking a Systems Administrator with strong Azure and networking expertise.

Key Responsibilities

• Own and mature our Azure cloud environment: architecture, storage, identity (Entra ID), governance, cost management, and security posture
• Lead cloud migration and hybrid-cloud integration efforts for on-prem workloads where appropriate
• Implement and enforce cloud security configuration, CA policy, Defender security tooling, monitoring and logging
• Intune configurations, package deployment, and endpoint management
• Maintain monitoring, backup/DR, and patch/configuration management practices for cloud-hosted systems
• Use AI, copilot, and PowerShell to automate repetitive administration and security tasks
• Design, document, and continuously improve network architecture, including segmentation between CUI-scoped enclaves and general business networks
• Manage firewall, VLAN, and ACL configurations (including CUI subnet access control lists) and maintain accurate network documentation/diagrams
• Lead network hardening initiatives and access control requirements (e.g., AC, SC control families)
• Evaluate and implement zero-trust and micro-segmentation strategies

Classified Environment (training provided)

• Maintain secure configurations, audits, and documentation for the classified workstations;
• Maintain active Security+ certification
• Maintain System Security Plans (SSPs), POA&Ms, and supporting documentation
• Support periodic government inspections, self-inspections, vulnerability scans, and audit log reviews for the classified system
• Serve as day-to-day POC for the classified environment, coordinating with the Facility Security Officer (FSO) and compliance team as needed

General Systems Administration

• Administer Windows Server, Active Directory/Entra ID, endpoint management, and core virtual infrastructure services
• Participate in security assessments, incident response testing, risk assessments, and 3rd party audits
• Execute vulnerability scans, system patching, configuration deployments
• Support configuration and software management controls (e.g., application allow-listing, nonessential functionality restrictions) in coordination with compliance staff
• Participate in change management processes for IT systems affecting CUI/classified scope
• Prioritize and resolve escalated technical issues and mentor junior IT staff, manage ticketing systems, and address chronic or persistent issues
• Own and support all critical security incidents, interruptions/outages, and end-user issues with flexible evening/weekend work when required
• Maintain system documentation, diagrams, project plans, asset inventory

Required Qualifications

• Hands-on expertise in hybrid cloud migration, Microsoft Azure networking, cloud technologies, protocols, and authentication, and WAN network architecture
• Design and manage basic network architecture: routing, switching, segmentation, firewall/ACL configuration, VLANs, RADIUS, etc.
• Excellent writing skills, conceptual thinking skills, and communication skills needed to learn/implement GenAI tools
• Active Secret security clearance
• CompTIA Security+ (CE)

Preferred Qualifications

• Cloud or Microsoft Azure Certifications
• Experience with cybersecurity compliance frameworks similar to CMMC/NIST 800-171
• Implementing simple AI solutions in Azure Foundry and/or Copilot
• On-site role
• Some after-hours/on-call availability required to support maintenance windows and incident response