Onsite System Administrator - TS/SCI Security Clearance

RTX; Springfield (VA); On-site; USD 87,000 - 165,000; Full time

Benefits offered by this job

Medical Insurance

Dental Coverage

401(k) match

Paid Time Off

Job summary

RTX is seeking a seasoned IT systems professional for an onsite role requiring active U.S. government security clearance. You will manage Linux-based environments, perform VM services, and support technical documentation while coordinating with internal teams and vendors.

The role emphasizes system availability, security, and cross-team collaboration in a mission-critical setting, with a comprehensive benefits package and competitive salary range.

Qualifications

• Active and transferable U.S. government security clearance required.
• Bachelor’s degree with 5+ years of relevant experience or advanced degree with 2+ years.
• Security+ certification.
• System administration experience across Linux systems.
• Experience in the Intelligence Community (IC).
• Experience with LDAP, NFS, TCP/IP, Splunk, Grafana, and NIS/NIS+.
• Experience in issuing and managing PKI Certifications.
• Experience with SQL, C++, and Java.

Responsibilities

• Ensure maximum system availability.
• Follow engineering instructions to conduct system updates/upgrades in coordination with the ISP and the support factory.
• System administration functions.
• Conduct VM-based services to ensure system operation.
• Support development/modification of technical documentation.
• Complete and track lessons learned and metrics.

Skills

Linux Admin

Security+ certification

LDAP

NFS

TCP/IP

Splunk

Grafana

NIS/NIS+

PKI Certification

SQL

C++

Java

Experience with IC

Geographic ops

Education

Bachelor’s degree

Advanced degree

Tools

RHCT/RHSA

Job description

RTX is seeking a seasoned IT systems professional for an onsite role requiring active U.S. government security clearance. You will manage Linux-based environments, perform VM services, and support technical documentation while coordinating with internal teams and vendors.

The role emphasizes system availability, security, and cross-team collaboration in a mission-critical setting, with a comprehensive benefits package and competitive salary range.