Senior TS/SCI Systems & Infrastructure Administrator

CACI; Sterling (VA); On-site; USD 105,000 - 231,000; Full time

Job summary

CACI is hiring an Infrastructure/Systems Administrator to maintain and enhance our IT infrastructure across corporate and customer environments. The role emphasizes systems administration, security patching, and cross-functional collaboration to support mission-critical applications.

Ideal candidates have a TS/SCI with poly clearance, a related bachelor’s degree or equivalent, and 10+ years in Linux environments with experience in corporate settings. Occasional off-hours work is required.

Qualifications

• Active TS/SCI with polygraph.
• weighting notes not applicable

Responsibilities

• Resolve IT hardware and software infrastructure issues (servers, network, security, etc.) using advanced systems analysis techniques.
• Analyze, troubleshoot, and resolve issues with IT infrastructure, including user systems, servers, storage, and network connectivity.
• Provide system administration for assigned infrastructure and ensure robust security measures are in place.
• Apply security patches and operating system upgrades to maintain the security and integrity of the technical environment.
• Support new infrastructure projects and initiatives.
• Maintain comprehensive configuration documentation for all assigned infrastructure.
• Collaborate with architects, technical leads, software developers, testers, security teams, and stakeholders.
• Be available for off-hours work as needed for support and deployments.

Skills

Linux systems

Systems administration

Team collaboration

Analytical skills

Problem solving

Education

Bachelor's degree or equivalent experience

Tools

Puppet

Satellite

IPA

Nagios

NetApp

Job description

CACI is hiring an Infrastructure/Systems Administrator to maintain and enhance our IT infrastructure across corporate and customer environments. The role emphasizes systems administration, security patching, and cross-functional collaboration to support mission-critical applications.

Ideal candidates have a TS/SCI with poly clearance, a related bachelor’s degree or equivalent, and 10+ years in Linux environments with experience in corporate settings. Occasional off-hours work is required.