Systems Administrators

CACI•Denver, CO

About The Position

CACI is seeking Systems Administrators at the Journeyman, Senior, and Subject Matter Expert (SME) levels to support mission-critical enterprise IT systems and services. The role spans systems administration, desktop support, infrastructure management, application support, network operations, and IT Service Management across complex enterprise environments. Systems Administrators help maintain the availability, reliability, and performance of services supporting users in domestic and global operations, working with technical teams, Government stakeholders, and mission partners to troubleshoot issues, manage incidents and service requests, support infrastructure and applications, implement changes, and improve the end-user experience. Candidates may be considered for multiple levels based on experience, technical expertise, leadership capabilities, and ability to manage increasingly complex assignments. The position requires an active Secret security clearance and is contingent on funding; it may not be filled immediately.

Requirements

  • Active Secret security clearance.
  • Bachelor's degree in a relevant field of study, or a comparable combination of education and experience.
  • Journeyman level: 3 or more years of relevant experience in systems administration, enterprise IT support, desktop support, infrastructure operations, network operations, or a related technical discipline.
  • Experience troubleshooting hardware, software, operating systems, applications, peripherals, user accounts, and connectivity issues.
  • Experience working with an enterprise ticketing or IT Service Management platform.
  • Experience supporting incident and service request management processes.
  • Experience installing, configuring, deploying, maintaining, or troubleshooting enterprise applications and systems.
  • Working knowledge of enterprise networking concepts and infrastructure.
  • Ability to apply established technical concepts, processes, practices, and procedures to resolve technical assignments.
  • Ability to escalate complex technical issues and collaborate effectively with senior administrators, engineers, and other technical teams.
  • Strong documentation, communication, customer service, and problem-solving skills.
  • Senior level: 5–7 years of relevant experience, with demonstrated ability to independently administer and troubleshoot complex enterprise IT environments.
  • Senior level: Advanced experience in systems administration, desktop support, infrastructure operations, application support, and/or network operations.
  • Senior level: Experience coordinating incident resolution, performing root cause analysis for complex or recurring issues, and supporting Tier II/Tier III technical issues across multiple teams.
  • Senior level: Experience with Problem Management, Change Management, and other ITSM processes; analyzing trends and recommending technical or procedural improvements; and developing or maintaining technical workflows, knowledge resources, documentation, and standard operating procedures.
  • Senior level: Ability to manage multiple complex technical assignments independently and provide technical guidance and mentorship to less experienced team members.
  • SME level: 10 or more years of relevant experience and extensive experience administering and supporting large-scale, complex enterprise IT environments.
  • SME level: Expert-level knowledge across multiple areas of systems administration, infrastructure operations, application support, network operations, and IT service management.
  • SME level: Demonstrated ability to lead resolution of high-impact, high-priority, or technically complex incidents and problems, and to lead root cause analysis, Problem Management, Change Management, and continuous service improvement across multiple technical teams.
  • SME level: Ability to evaluate system and infrastructure changes for technical impact, operational risk, dependencies, implementation requirements, and post-implementation results.
  • SME level: Experience developing technical strategies, standards, workflows, processes, and recommendations that improve enterprise service delivery.
  • SME level: Ability to serve as a technical authority for Government stakeholders, technical teams, and program leadership; plan and lead major technical assignments; coordinate across projects, teams, or functional areas; and mentor and direct technical personnel.
  • SME level: Ability to identify complex technical challenges, develop solutions with limited direction, and communicate recommendations to technical and non-technical stakeholders.

Nice To Haves

  • Prior experience supporting federal agencies; Department of State experience is highly desired.
  • Professional certifications such as ITIL Expert, Microsoft Certified: Windows Server Hybrid Administrator, or CompTIA Network+.
  • Experience with collaboration platforms, Government-Furnished Equipment management, and multi-domain IT support.
  • Knowledge of Ticket Management Systems, knowledge base development, and support for geographically distributed user communities.

Responsibilities

  • Support Total Ticket Ownership throughout the incident and service request lifecycle, including ticket logging, triage, troubleshooting, resolution, escalation, documentation, and root cause analysis.
  • Provide desktop and end-user systems support, troubleshooting hardware, software, operating system, connectivity, account, and peripheral issues in an enterprise environment.
  • Manage and support Government-Furnished Equipment and provide limited technical support for approved mobile devices.
  • Perform systems and infrastructure administration for domestic and enterprise operations, including workstations, peripherals, card printers, consular office systems, and web services infrastructure.
  • Install, configure, deploy, maintain, and troubleshoot enterprise applications and services.
  • Support collaboration platforms and other enterprise tools used across geographically dispersed environments.
  • Perform network operations activities to support reliable enterprise connectivity, availability, and performance.
  • Monitor, troubleshoot, and resolve systems, infrastructure, application, and network incidents in coordination with appropriate technical teams.
  • Collaborate with stakeholders to maintain and improve Ticket Management System configurations, workflows, classifications, and processes.
  • Support and enhance self-service capabilities, including password resets, account provisioning, hardware and software requests, troubleshooting resources, and knowledge management content.
  • Participate in Problem Management and root cause analysis by identifying recurring issues, documenting findings, tracking corrective actions, and recommending long-term solutions.
  • Support Change Management by initiating, documenting, reviewing, tracking, and implementing approved changes to IT systems, services, applications, and infrastructure.
  • Assist with impact analysis, risk assessment, implementation planning, validation, and post-implementation reviews for technical changes.
  • Maintain accurate system, incident, problem, change, configuration, and operational documentation to support audit and compliance requirements.
  • Identify opportunities to improve hardware, software, workflows, processes, procedures, automation, and service delivery.
  • Collaborate with Government stakeholders, Product Teams, engineering teams, service desk personnel, network teams, and other technical organizations to resolve issues and support enterprise objectives.
  • Develop and maintain technical documentation, knowledge articles, standard operating procedures, and troubleshooting guides.
  • Apply ITSM principles and established policies, procedures, security requirements, and technical standards in day-to-day operations.
  • Perform additional systems administration and enterprise IT support activities as needed to meet mission and operational requirements.

Benefits

  • Flexible time off.
  • Learning resources and learning and development opportunities.
  • Healthcare benefits.
  • Wellness benefits.
  • Financial and retirement benefits.
  • Family support benefits.
  • Continuing education benefits.
  • Time off benefits.
  • Competitive compensation.
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