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System Administrator, Level 3 (Fort Meade)

System Administrator, Level 3 (Fort Meade)

Independent SoftwareFort Meade, MD, US
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Level 3 System Administrator

Are you ready to take your system administration expertise to the next level in support of mission-critical operations? At Independent Software, we're committed to building resilient, secure, and scalable IT environments that serve national security goals. As a Level 3 System Administrator, you'll join a high-performing technical team solving complex challenges across enterprise infrastructure. If you thrive in a collaborative environment and want to make a measurable impact while working with cutting-edge systems, Independent Software is where you belong.

As a Level 3 System Administrator at Independent Software, you will be responsible for supporting, maintaining, and optimizing enterprise IT systems across multiple platforms including UNIX, Linux, and Windows. You will provide Tier 1 through Tier 3 support, resolve escalated issues, and ensure system integrity through patch management, vulnerability scanning, and compliance enforcement. You will also support architectural planning and hardware / software integration across a variety of classified and unclassified networks.

Key responsibilities include :

  • Support implementation, troubleshooting, and maintenance of IT systems
  • Manage the configuration and operation of client / server / storage / network infrastructure
  • Provide Tier 1 (Help Desk), Tier 2, and Tier 3 (Advanced Escalation) technical support
  • Perform user account management tasks (create, modify, disable, remove)
  • Conduct periodic vulnerability scans and enforce security compliance
  • Apply and manage IAVA security patches and record status
  • Monitor system performance and optimize resource utilization
  • Provide detailed analysis and escalation reporting to internal customers and agency leadership
  • Troubleshoot hardware / software issues and support dispatch systems
  • Configure and maintain UNIX, Linux, and Windows environments
  • Implement system upgrades and enhancements to improve reliability and performance
  • Coordinate with the ISSO and ISO to support Change and Configuration Management processes
  • Track and complete POA&M milestones; update records in the system of record
  • Ensure IT assets comply with Identity & Access Control Management (ICAM) policy
  • Apply knowledge of mission islands, Trusted Thin Client, and enhanced VDI technologies
  • Analyze and resolve complex integration issues related to hardware, applications, and SOA
  • Design systems and mission architecture in collaboration with engineering teams

Required skills and qualifications include :

  • Strong knowledge of UNIX, Linux, and Windows system administration
  • Expertise in Tier 2 / Tier 3 problem diagnosis and resolution
  • Hands-on experience with configuration management and patch compliance
  • Familiarity with POA&M processes and vulnerability remediation
  • Experience supporting dispatch systems and resolving related hardware issues
  • Ability to coordinate with ISSO / ISO for system authorization and change tracking
  • Understanding of SOA interdependencies and mission architecture
  • In-depth troubleshooting of enterprise IT systems
  • Ability to work independently and within a team in a mission-driven environment
  • Understanding of mission islands, Trusted Thin Client, and enhanced VDI technologies

    • Education and experience :

  • Bachelor's degree in a technical discipline from an accredited college or university is required; four (4) years of additional System Administrator experience may substitute for a bachelor's degree
  • Fifteen (15) years of experience as a System Administrator supporting programs or contracts of similar scope, type, and complexity is required
  • Six (6) years of experience with Service Management (ITSM) is required

    • Certifications :

  • Must meet DoD 8570 IAT Level II certification requirements
  • Computing Environment (CE) Certification required. The CE certification requirements can be fulfilled with either Microsoft OS, CentOS, or Red Hat OS CE certifications
  • ITIL 4 Certification

    • Clearance requirement :

  • Must possess an active TS / SCI with appropriate Polygraph to be considered for this role

    • We're an equal opportunity employer. All applicants will be considered for employment without attention to race, color, religion, sex, sexual orientation, gender identity, national origin, veteran or disability status.

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    System Administrator • Fort Meade, MD, US