IT System Administrator 3 (VA802021)

IT System Administrator 3 (VA802021)


Key Responsibilities


Infrastructure Administration

• Administer Windows Server environments (on-premises and cloud)

• Manage Active Directory, Group Policy, DNS, and DHCP

• Support Microsoft 365 services (Exchange Online, Entra ID/Azure AD)

• Maintain system performance, availability, and configuration

Patch Management & Vulnerability Remediation

• Execute structured patching for servers and core systems

• Coordinate with leadership on scheduling and system impact

• Support vulnerability remediation aligned to security priorities

• Validate patches prior to deployment

• Track patch compliance and status

Security & Compliance Support

• Implement security controls defined by the Information Security Office

• Support identity and access management practices, including MFA

• Assist with system hardening, logging, and monitoring integrations

• Provide support for audits and compliance activities

Monitoring & Incident Response

• Monitor systems and respond to alerts and operational issues

• Provide Tier 2/3 support for infrastructure incidents

• Participate in incident response and escalation processes

• Contribute to root cause analysis and service improvements

Backup & Disaster Recovery

• Administer backup and recovery solutions

• Perform and validate backup and restore testing

• Support recovery objectives (RTO/RPO)

Change Management & Operations

• Follow defined change management processes

• Execute infrastructure changes in a controlled manner

• Participate in CAB or similar governance processes

Cross-Team Collaboration

• Partner with Network Engineering on infrastructure dependencies

• Coordinate with End User Services on user-impacting changes

• Support Application/Data teams on system integrations

• Communicate system status, risks, and issues to leadership

Required Qualifications

• Experience administering Windows Server environments

• Strong knowledge of Active Directory and Group Policy

• Experience supporting Microsoft 365 (Exchange Online, Entra ID/Azure AD)

• Experience with patch management and system maintenance

• Familiarity with backup and recovery solutions

• Basic understanding of networking concepts

Preferred Qualifications

• Experience in government or regulated environments

• Experience with hybrid infrastructure (on-premises and Azure)

• Familiarity with NIST or similar frameworks

• Experience with virtualization (VMware or Hyper-V)

• Exposure to monitoring, SIEM, or endpoint management tools

Knowledge, Skills, and Abilities

• Strong troubleshooting and problem-solving skills

• Ability to manage multiple operational tasks and priorities

• Effective communication and teamwork across technical groups

• Ability to follow structured processes and governance standards

• Focus on system reliability, security, and continuous improvement

Working Conditions

• Office-based environment

• Occasional after-hours support for maintenance or incidents

• Limited travel between office locations may be required

Additional Information

This role supports core Infrastructure & Operations functions and contributes to the agency’s ability to deliver secure and reliable IT services. The Systems Administrator operates within defined governance processes to ensure consistency, stability, and risk reduction across the environment.