Redhat Linux System Admin

The Infrastructure Systems Administrator will join the Infrastructure Systems Team and be responsible for maintaining the reliability, availability, security, and performance of enterprise Windows and Linux environments supporting 24/7 operations., This role requires a senior-level systems administrator with strong Linux expertise, experience supporting Microsoft technologies, virtualization, storage infrastructure, cloud platforms, and enterprise systems administration. The individual will support a large-scale environment encompassing Active Directory, Microsoft 365, Azure, AWS, virtualization platforms, enterprise storage, backup and disaster recovery systems, security tools, and infrastructure automation.

The ideal candidate will be comfortable operating in a highly regulated environment requiring extensive background screening and compliance requirements., * Administer and support Linux and Windows Server environments.

• Manage Active Directory, Organizational Units (OUs), Group Policy, and Identity & Access Management solutions.
• Support Microsoft 365, Microsoft Entra ID (Azure AD), and Azure cloud services.
• Configure and administer AWS and other cloud environments.
• Administer virtualization platforms and enterprise infrastructure systems.
• Manage enterprise storage environments including SAN, NFS, and fiber channel technologies.
• Support backup, disaster recovery, and business continuity solutions.
• Administer SIEM, MDM, antivirus, anti-malware, email, and email gateway platforms.
• Perform server installation, configuration, patching, upgrades, maintenance, troubleshooting, and performance tuning.
• Create custom scripts and automation solutions.
• Maintain hardware, software, and virtual system inventories.
• Monitor infrastructure using enterprise monitoring tools.
• Conduct security audits, compliance reviews, and vulnerability assessments.
• Participate in infrastructure projects and technology initiatives.
• Perform root cause analysis and incident resolution.
• Build and deploy software packages.
• Document infrastructure configurations, standards, and procedures.
• Work service tickets and maintain SLA compliance.
• Participate in rotating on-call support schedules.

• Criminal background check
• Drug screen
• Medical examination
• Polygraph examination
• Employment and reference verification
• Neighborhood checks

Grooming and appearance standards apply, * High School Diploma/GED with 7 years of enterprise infrastructure experience; OR

• Associate Degree in a technical field with 6 years of enterprise infrastructure experience; OR
• Bachelor’s Degree in a technical field with 5 years of enterprise infrastructure experience.
• Minimum 6+ years of Linux administration experience strongly preferred.
• Experience supporting enterprise-scale Windows and Linux environments.
• Experience with virtualization, cloud technologies, backup and recovery, storage infrastructure, and networking.
• Experience in system implementation, administration, troubleshooting, and operational support.
• Ability to work independently with minimal supervision.
• Experience documenting technical processes and procedures., * Linux Administration (Red Hat Preferred)
• Windows Server 2019+
• Active Directory
• Microsoft 365
• Microsoft Entra ID (Azure AD)
• Microsoft Azure
• AWS Administration
• Infrastructure Administration
• Virtualization Technologies
• Hypervisors
• Enterprise Storage (SAN, NFS, Fiber Channel)
• Backup & Disaster Recovery
• Identity & Access Management (IAM)
• SIEM Administration
• MDM Solutions
• Enterprise Monitoring Tools
• Security Compliance
• Vulnerability Scanning
• Server Administration
• Performance Tuning
• PowerShell and/or Bash/Shell Scripting
• Group Policy (GPO)
• Systems Integration
• Root Cause Analysis
• Basic Networking
• Ticket Queue Management, * CJIS-regulated environment experience
• Law Enforcement or Public Sector experience
• Enterprise Messaging Platforms
• Email Gateway Administration
• Mac OS Administration in Windows Environments
• Software Packaging & Deployment
• Cloud Architecture Experience
• Security Operations Experience
• Infrastructure Automation
• Enterprise Monitoring Solutions
• Vendor Evaluation & Management __________________

Soft Skills

• Strong problem-solving abilities
• Excellent troubleshooting skills
• Attention to detail
• Strong documentation skills
• Ability to work independently
• Team-oriented mindset
• Ownership mentality
• Accountability and reliability
• Strong communication skills
• Ability to learn new technologies quickly
• Critical thinking and analytical skills
• Ability to support mission-critical 24/7 environments
• Adaptability in high-security and highly regulated environments
• Strong customer service orientation
• Ability to manage multiple priorities and deadlines simultaneously