Senior Systems Administrator — TS/SCI w/ Poly | Onsite

General Dynamics Information Technology; Town of Springfield (WI); On-site; USD 106,000 - 144,000; Full time

Job summary

General Dynamics Information Technology is seeking a Systems Administrator Senior to advance enterprise IT operations and support critical systems on classified and unclassified networks. You will monitor and maintain servers, storage, and workstations while coordinating with vendors and internal teams to resolve complex issues.

Applicants should have 3+ years of related experience, DoD IA certification (Security+ minimum), and strong skills in Active Directory, backups, and disaster recovery.

Qualifications

• DoD IA certification required; CompTIA Security+ CE minimum.
• Experience with ThinkLogical IT systems preferred.
• Proficiency managing Windows and Linux server environments.

Responsibilities

• Monitors, administers, and restores mission IT systems across networks.
• Oversees server, storage, and workstation maintenance in physical and virtual environments.
• Collaborates with stakeholders to understand business needs and provides solutions.
• Performs patching, backups, and routine system upgrades for reliability.
• Supports security audits and implements patch management.
• Documents configurations and creates performance and security reports.

Skills

Backup and Recovery

Critical Systems

Information Technology (IT) Systems

Education

Technical Training

Tools

ThinkLogical IT systems

Windows/Linux

Job description

General Dynamics Information Technology is seeking a Systems Administrator Senior to advance enterprise IT operations and support critical systems on classified and unclassified networks. You will monitor and maintain servers, storage, and workstations while coordinating with vendors and internal teams to resolve complex issues.

Applicants should have 3+ years of related experience, DoD IA certification (Security+ minimum), and strong skills in Active Directory, backups, and disaster recovery.