System Administration - Tiered Support

CACI-posted 9 days ago
Full-time • Mid Level
Annapolis Junction, MD
5,001-10,000 employees
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At CACI, we specialize in providing innovative and secure IT solutions to our clients in the defense and national security sectors. Our mission is to support critical infrastructure with the highest standards of service and reliability. We’re looking for a skilled System Administrator to join our team and help maintain, troubleshoot, and optimize a wide variety of IT systems. We are seeking a qualified System Administrator to provide support for the implementation, troubleshooting, and maintenance of IT systems across client/server, storage, network devices, mobile devices, and more. In this role, you will manage the day-to-day operations of IT systems, provide tiered support (from Help Desk to Escalation), and ensure the smooth running of critical infrastructure.

  • Tier 1 (Help Desk) support for problem identification, diagnosis, and resolution.
  • Tier 2 (Escalation) support for more complex issues, providing troubleshooting and in-depth analysis.
  • Configuration and management of UNIX, Linux, and Windows operating systems.
  • Installation and maintenance of operating system software and security patches (e.g., IAVA security patches).
  • Managing the configuration, operation, and performance of IT systems and ensuring systems are compliant with security controls.
  • Conducting periodic vulnerability scans and working with security officers to ensure compliance with applicable regulations.
  • Managing user accounts (establishing, modifying, disabling) and ensuring compliance with Identity & Access Control Management (ICAM) policies.
  • Supporting escalation and communication of issue status to agency management and internal customers.
  • Providing analysis and feedback to management for escalated tickets and system optimization.
  • Collaborating with the Information System Security Officer (ISSO) and Information System Owner (ISO) regarding system changes and security authorizations.
  • Bachelor’s degree in a technical discipline from an accredited college or university, or 4 additional years of System Administrator (SA) experience in lieu of a degree.
  • Considering candidates for the following Labor Categories as a System Administrator in programs or contracts of similar scope, type, and complexity.
  • Level 1 - 5 years of experience with DOD 8570 (A+ CE CCNA-Security CND Network+ CE SSCP) and Computing Environment (CE) Certification (e.g., Microsoft OS, Cent OS, Red Hat OS)
  • Level 2 - 10 years of experience with DOD 8570 (CCNA Security CySA+ GICSP GSEC Security+ CE CND SSCP) and Computing Environment (CE) Certification (e.g., Microsoft OS, Cent OS, Red Hat OS) and Computing Environment (CE) Certification (e.g., Microsoft OS, Cent OS, Red Hat OS)
  • Level 3 - 15 years of experience with DOD 8570 (CCNA Security CySA+ GICSP GSEC Security+ CE CND SSCP)
  • Level 4 - 20 years of experience with DOD 8570 (CASP+ CE CCNP Security CISA CISSP (or Associate) GCED GCIH CCSP) and Computing Environment (CE) Certification (e.g., Microsoft OS, Cent OS, Red Hat OS)
  • 4 years of experience with Service Management (ITSM).
  • If assigned to Desktop & Enclave Services: Understanding of concepts such as mission islands, Trusted Thin Client, and enhanced VDI (e.g., remote GPU and memory scaling).
  • TS/SCI with Polygraph
  • Extensive experience in system administration, particularly in mission-critical IT systems.
  • Strong troubleshooting and diagnostic skills, with the ability to resolve a broad range of system-related issues.
  • Experience with security compliance and patch management in complex environments.
  • Familiarity with the latest ITIL processes for service management and configuration management.
  • Our employees value the flexibility at CACI that allows them to balance quality work and their personal lives.
  • We offer competitive compensation, benefits and learning and development opportunities.
  • Our broad and competitive mix of benefits options is designed to support and protect employees and their families.
  • At CACI, you will receive comprehensive benefits such as; healthcare, wellness, financial, retirement, family support, continuing education, and time off benefits.
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