Jobs · Information Technology · Missouri

L3 Systems Admin - STL

Apex Systems · Berkeley, MO · 2 mo ago
Information Technology$30–$44/hrFull-time

Location: 100% on-site in St. Louis, MO. W2 contract; long-term rolling. Pay rate: $30–44/hour (depending upon experience). Candidates must be US citizens with the ability to obtain and/or maintain an active Interim Secret Security Clearance or higher. CompTIA Security+ CE certification required prior to starting.

About the role

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.

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

Requirements

  • Minimum 5 years of relevant systems administration experience
  • 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
    • NetBackup or enterprise backup solutions
  • Experience writing, editing, and maintaining technical documentation
  • Prior experience supporting classified or regulated environments

Benefits

  • Health, dental, and vision insurance (employee contribution required)
  • Life insurance
  • Short-term disability
  • Hospitalization coverage
  • Direct deposit and weekly pay periods
  • Training and development programs
  • 401k with company match after 12 months of tenure
  • Employee Stock Purchase Program (ESPP)
  • Health Savings Account (HSA) on the HDHP plan
  • SupportLinc Employee Assistance Program (EAP) with up to 8 free counseling sessions
  • Corporate discount savings program
  • On-demand training program
  • Access to certification prep and a library of technical and leadership courses/books/seminars after 6+ months of tenure
  • Certification discounts and perks for associations including CompTIA and IIBA
  • Dedicated customer service team for consultants
  • Access to a certified career coach

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