Senior Systems Administrator – DoD/AF, Onsite, TS/SCI

cFocus Software Incorporated

Ellsworth (ME)

On-site

USD 120,000 - 170,000

Full time

13 days ago

Get more replies from employers

Send a job-specific resume in minutes.

Job summary

cFocus Software Incorporated seeks a Senior System Administrator to join our program supporting the United States Air Force. The role is onsite at Ellsworth AFB, SD, and requires a TS/SCI SSBI clearance.

You will administrate Windows and Linux systems, engineer Active Directory services, and lead patching, vulnerability remediation, and disaster recovery efforts in a high-availability environment. You will collaborate with database, middleware, cybersecurity, and program-management teams to

Qualifications

Active TS/SCI SSBI clearance.
B.S. Computer Science, Information Technology, or related field.
10+ years of Systems Administrator experience.
Advanced experience administering Windows and Linux in high-availability environments.
Active Directory engineering, service-account configuration and privileged operations.
Experience with enterprise virtualization; Nutanix experience preferred.
Configuration management, baselines, patch engineering, and remediation.
Patches/updates validation in controlled environments prior to production.
Backup, recovery, COOP, disaster recovery for mission-critical systems.
Senior/Level III diagnostic support with log analysis and fault isolation.
RMF, A&A, continuous monitoring, and DoD cybersecurity compliance.
Collaboration across multiple teams and with Government stakeholders.
Onsite work at Ellsworth AFB; occasional travel to Wright-Patterson AFB.
DoD 8570 IAT Level II and DoD 8140 System Administrator 451-Intermediate certifications.

Responsibilities

Perform senior Windows and Linux systems administration for FMWF infrastructure and mission environments.
Engineer, configure, admin, and troubleshoot Active Directory, service accounts, authentication dependencies, and permissions.
Conduct infrastructure performance analysis, capacity planning, and enterprise virtualization engineering in Nutanix environments.
Monitor system health, analyze performance degradations, implement corrective actions.
Maintain configuration baselines and technical baseline control for infrastructure components and documentation.
Engineer, test, validate, and deploy enterprise patches, updates, and security directives.
Perform vulnerability remediation and ensure availability and security controls.
Analyze proposed changes, validate post-deployment performance and production readiness.
Maintain controlled engineering/test environments with configuration management and test data support.
Provide data-protection, backup, restoration, and COOP/disaster recovery support.
Provide Level III escalation support with advanced diagnostics and root-cause analysis.
Coordinate with DB2, WebSphere, CyberArk, and Government stakeholders.
Support cross-stack integration among infrastructure, DB2, WebSphere, AD, virtualization, and security tooling.
Implement security controls and RMF/A&A evidence for compliance.
Maintain version-controlled documentation and status reports.
Comply with change management and readiness reviews.