L3 Systems Admin - STL

Level 3 Systems Administrator

Apex Systems is hiring for Level 3 Systems Administrators with a large government and aerospace supporting client in St. Louis, MO!

Position requires a currently active, DoD-issued Interim Secret Security Clearance or higher.

Location:

100% on-site in St. Louis, MO

Contract Type/Duration: W2 Contract;
Long-term rolling

Pay Rate: $30-44/hour (depending upon experience)

Requirements:

• Candidates must be US Citizens with the ability to obtain and/or maintain an active Interim Secret Security Clearance or higher level as a condition and continuation of employment
• CompTIA Security+ CE certification required prior to starting
• Minimum 5 years of relevant systems administration experience

Overview:

The Level 3 Systems Administrator is a senior technical role responsible for end-to-end user support, design, and lifecycle management of enterprise infrastructure. This position serves as the highest escalation point for complex technical issues and plays a critical role in configuration, change, and release management while acting as a technical representative to customers and program leadership.

Key Responsibilities:

• Provide end-to-end hardware and software support for:
  Windows and Unix/Linux servers, High Performance Computing (HPC) systems
• Development, production, and application server environments
• Desktop systems and supporting infrastructure
• Network systems
• Lead and execute configuration, change, and release management activities
• Perform advanced troubleshooting, root cause analysis, and permanent remediation of complex system issues
• Manage asset lifecycle, including tracking, maintenance, and disposition
• Implement, enforce, and maintain compliance with client and customer technical standards
• Serve as a senior technical escalation point and subject matter expert
• Develop deep program and customer knowledge to effectively represent CNO services
• Build and maintain strong working relationships with customers, engineers, and management
• Produce and maintain technical documentation and operational procedures
• Execute tasks and projects as directed by Management

Extensive hands-on experience with:

• Windows Server 2008 and Windows 7 (required)
• Windows Server 2012 and Windows 8 (preferred)
• VMware virtualization platforms (ESX 5.1 or higher)
• Active Directory administration
• Group Policy Object (GPO) deployment and troubleshooting
• HP server hardware
• Strong understanding of enterprise server, network, and infrastructure environments
• Excellent written and verbal communication skills
• Ability to work independently in a dynamic, fast-paced environment

Preferred Qualifications:

• Experience administering server roles such as SQL, Web, and Exchange
• Experience with: WSUS, SAN technologies, Net Backup or enterprise backup solutions
• Experience writing, editing, and maintaining technical documentation
• Prior experience supporting classified or regulated environments