Mission IT Operator Security Clearance

Position: Mission IT Operator with Security Clearance
Location: Denver

Mission IT Operator Job Category:
Information Technology Time Type:
Full time Minimum Clearance Required to Start: TS/SCI with Polygraph Employee Type:
Regular Percentage of

Travel Required:

None Type of Travel:
None Anticipated Posting End: 1/19/2026 You will perform as a Mission IT Operator supporting a 24x7 government mission. You will provide direct support for detecting, isolating, and resolving ground segment problems; and serve as first responder for all site issues. This position requires broad knowledge of both Windows and Linux-based systems across a global environment. Shift Work (12 hours a day , / 4 on 4 off (Day, Day, Night, Night).

Responsibilities
- Responsible for resolving IT hardware and software infrastructure (servers, network, security, etc.) issues using systems
- Analysis techniques and procedures.
- Ensure appropriate function of hardware, software, or system functional specifications.
- Analyzes, troubleshoots, and resolves issues with IT infrastructure including user systems, servers, storage, and network connectivity.
- Provides system administration for assigned infrastructure and establishes and maintains security as it relates to users.
- Supports new infrastructure projects.
- Maintains all configuration documentation for assigned infrastructure.
- Master the steps required to effectively manage and prioritize incidents.
- Support in times of high call volume, first-level technical support in a 24x7 world-class service center, responding to inbound incidents and service requests via phone, email, and walk-up channels.
- Deliver frontline support for system, application, network, and infrastructure issues, ensuring fast, accurate triage and resolution.
- Create and manage support tickets in a web-based ITSM/CRM platform while actively troubleshooting and communicating with end users. Perform initial assessment, triage, and resolution for common incidents; escalate complex or critical issues to Tier 2 or appropriate technical teams - Ensure that all technical baseline infrastructure is maintained at an optimal level to satisfy customer mission needs.
- Monitor, recognize, evaluate, and correlate system and network problems.
- Responsible for maintaining a privileged user level of access, across numerous high-priority systems.
- Interface daily with government and partner country senior leadership, system operators, and engineers at the site and across the enterprise.
- Interpret system documentation and record problems in appropriate reporting tools.
- Support after-action activities, by collecting data that describes the environment at the time of the failure.
- Serve as a single point of contact for monitoring, troubleshooting, and anomaly resolution.
- Restart system services as needed.

- Restart system hardware as needed.
- Escalate problems to Tier 2 level as required, and notify mission director if priority or severity necessitates.

- Coordinate with any required resources across the enterprise to resolve operational issues.
- Work with other 24x7 ground segments across multiple locations providing enterprise-level maintenance support, with high customer visibility into all actions and responses.

Qualifications:

Required:

- Active TS/SCI with Poly required.
- Must have a current DODI 8570.01-M IAT Level II Certification, Security+ Certification.
- Excellent communication skills ensuring effective and accurate exchange of information across a multi-location enterprise, with customer visibility into crew-based actions and responses.
- Must be able to work a non-standard work week, weekends, and holidays; 12-hour shift work expected in support of 24x7 operations.
- System administration experience to include UNIX, Linux, and Windows platforms Desired:

- Experience with virtualization technologies and software such as VMware
- Knowledge and understanding of Enterprise Management Systems including HP Open View, and CA-based Concord - ________________________________________________________________________________________ What You Can Expect: A culture of integrity. At CACI, we place character and innovation at the center of everything we do. As a valued team member, you'll be part of a…