Principal System Administrator (Linux)

Themis Insight•Fort Meade, MD

About The Position

Themis Insight is hiring a Principal System Administrator (Linux) to work in the Fort Meade, Maryland vicinity. The position location may change based on the needs of the central Maryland client. A TS/SCI clearance with a polygraph is required. The role provides implementation, troubleshooting, maintenance, configuration management, and sustainment support for IT systems and infrastructure. It includes day-to-day operations, monitoring, and problem resolution across client/server, storage, network, and mobile-device environments, as well as Tier 1 and Tier 2 support and communication of escalated issues to agency management and internal customers. The administrator configures and manages UNIX, Linux, and Windows operating systems; installs and maintains operating-system software; troubleshoots and configures network components; and implements enhancements to improve reliability and performance. The role also supports security compliance, patching, capacity planning, system design, and coordination with security and system-owner stakeholders. Themis Insight describes its teams as small, highly skilled, and interdisciplinary. Benefits include employer-paid health, dental, and vision premiums; a 401(k) contribution; paid holidays and PTO; career development support; and employee referral bonuses.

Requirements

  • TS/SCI clearance with a polygraph.
  • Bachelor’s degree in a technical discipline from an accredited college or university, or four additional years of system administration experience as a substitute.
  • 15 years of experience as a System Administrator on programs and contracts of similar scope, type, and complexity.
  • Six years of experience with Service Management (ITSM).
  • ITIL 4 platform certification.
  • Experience with Linux patching (STE/STN), AWS, GitLab/GitHub, and Terraform.

Nice To Haves

  • VMware experience.
  • Confluence experience.
  • Scripting experience.

Responsibilities

  • Support implementation, troubleshooting, and maintenance of IT systems.
  • Manage IT system infrastructure and related processes.
  • Monitor and resolve day-to-day issues across client/server, storage, network, and mobile-device systems.
  • Provide Tier 1 help desk and Tier 2 escalation problem identification, diagnosis, and resolution.
  • Escalate issues and communicate status to agency management and internal customers, including providing detailed analysis and feedback on escalated tickets.
  • Support the dispatch system and hardware problems and remain involved through resolution.
  • Configure and manage UNIX, Linux, and Windows operating systems; install and load operating-system software; troubleshoot systems; maintain system integrity; configure network components; and implement enhancements to improve reliability and performance.
  • Provide configuration management and support implementation and sustainment of applicable system security controls.
  • Implement IAVA security patches and record patch status in the appropriate systems of record.
  • Optimize system operations and resource utilization, and perform capacity analysis and planning.
  • Coordinate with the Information System Security Officer and Information System Owner regarding system changes through the Change and Configuration Management Process.
  • Support the ISO by completing directed Plan of Action and Milestones milestones and coordinating completion status with the ISSO for recording in the security authorization system of record.
  • Ensure IT assets remain compliant with Identity and Access Control Management policy.
  • Support the design of systems, mission architecture, and associated hardware.
  • Apply working knowledge of system administration interdependencies within a Service Oriented Architecture.
  • Analyze and resolve complex problems involving server hardware, applications, and software integration.

Benefits

  • Health, dental, and vision plans with 100% of premiums paid.
  • 401(k) contribution of 6%, including when the employee does not contribute.
  • 11 standard holidays.
  • 25 days of paid time off.
  • Career counseling and individualized career development plans, including education and training.
  • Employee referral bonuses for successful hires.
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