Senior Systems Administrator - Enterprise IT & Security

Kaimetrix, LLC; Washington (District of Columbia); On-site; USD 90,000 - 120,000; Full time

Benefits offered by this job

Medical insurance

Dental insurance

Vision insurance

Disability coverage

Life insurance

401(k) match

Paid time off

11 federal holidays

FSA/HSA options

Commuter benefits

Education reimbursements

Identity protection

Supplemental coverages

Job summary

Kaimetrix, LLC in Washington, DC is seeking an experienced Systems Administrator to provide advanced Tier III technical support for enterprise IT infrastructure, end-user computing environments, cybersecurity operations, and COTS applications.

This on-site role serves as the primary escalation point for Level II support, ensuring timely incident resolution while maintaining the security, stability, and performance of enterprise systems.

Qualifications

• Bachelor’s degree in Computer Science, Information Technology, or a related field.
• 5+ years of experience in systems administration within a professional or technical services environment.
• Advanced knowledge of monitoring best practices and tools to include MECM and SCOM.
• Proven expertise in managing Windows and Linux server environments.
• Experience providing Tier III desktop and infrastructure support.
• Strong knowledge of Windows operating systems and Microsoft enterprise technologies.
• Experience with Active Directory, user account administration, and identity management.
• Experience with enterprise endpoint management and desktop imaging.
• Knowledge of cybersecurity best practices, endpoint protection, and vulnerability remediation.
• Excellent analytical, troubleshooting, and problem-solving skills.
• Strong verbal and written communication skills.
• Ability to manage multiple priorities in a fast-paced environment.
• Experience supporting executive-level customers preferred.

Responsibilities

• Serve as the Tier III escalation point for incidents unresolved by Level II support.
• Troubleshoot complex hardware, software, infrastructure, and application issues.
• Manage incidents, service requests, and questions using the organization’s ticketing system.
• Provide end-to-end support for users through phone, chat, email, voicemail, and walk-up services.
• Monitor, update, and resolve support tickets within established SLAs.
• Escalate issues to subject matter experts according to escalation procedures.
• Administer user accounts, permissions, passwords, and access for enterprise applications and infrastructure.
• Provision, modify, and remove user access based on business requirements.
• Develop, maintain, and troubleshoot enterprise desktop images.
• Maintain production desktop images with current patches and business application updates.
• Resolve software compatibility issues within enterprise images.
• Assist users with Section 508 accessibility compliance for electronic documents.
• Support organizational cybersecurity policies and secure computing standards.

Skills

MECM & SCOM

Windows & Linux

Active Directory

End-user support

Cybersecurity basics

Troubleshooting

Communication skills

Problem solving

Executive support

Multi-priority management

On-site support

Education

Bachelor’s degree in Computer Science or related field

Tools

Automation tools (Ansible, Puppet, PowerShell)

Containerization (Docker, Kubernetes)

Job description

Kaimetrix, LLC in Washington, DC is seeking an experienced Systems Administrator to provide advanced Tier III technical support for enterprise IT infrastructure, end-user computing environments, cybersecurity operations, and COTS applications.

This on-site role serves as the primary escalation point for Level II support, ensuring timely incident resolution while maintaining the security, stability, and performance of enterprise systems.