Principal System Administrator (Linux)

Themis Insight•Fort Meade, MD
•Onsite

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 depending on the needs of a central Maryland client. A TS/SCI clearance with a polygraph is required. The role supports implementation, troubleshooting, and maintenance of IT systems and manages IT infrastructure and related processes. It covers day-to-day operations, monitoring, and problem resolution for client, server, storage, network, and mobile devices; Tier 1 and Tier 2 support; escalation and status communications; and dispatch-system and hardware problem resolution. The administrator configures and manages UNIX, Linux, and Windows operating systems, installs operating system software, troubleshoots systems, maintains integrity, configures network components, and implements operating-system enhancements to improve reliability and performance. At Level 3, the administrator also manages configuration and compliance with system security controls, implements IAVA security patches and records patch status, optimizes system operations and resource use, and performs capacity analysis and planning. The role includes detailed analysis of escalated tickets; coordination with the ISSO and ISO on system changes; support for POA&M milestones and security authorization records; and ensuring IT assets comply with ICAM policy. The administrator supports system and mission-architecture design, understands system-administration dependencies in a Service Oriented Architecture, and resolves complex server hardware, application, and software-integration problems. Themis Insight describes itself as a consulting firm that uses small, highly skilled teams and interdisciplinary approaches to address clients’ business, IT, and analytic problems. It offers health, dental, and vision coverage with premiums fully paid, retirement contributions, paid time off and holidays, 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 in lieu of the degree.
  • 15 years of experience as a system administrator in programs and contracts of similar scope, type, and complexity.
  • 6 years of experience with Service Management (ITSM).
  • ITIL 4 platform certification.
  • Experience or capability with Linux, patching (STE/STN), AWS, GitLab/GitHub, and Terraform.

Nice To Haves

  • VMware.
  • Confluence.
  • Scripting.

Responsibilities

  • Support implementation, troubleshooting, and maintenance of IT systems.
  • Manage IT system infrastructure and related processes, including day-to-day operations, monitoring, and problem resolution for client, server, storage, network, and mobile devices.
  • Provide Tier 1 help desk and Tier 2 escalation problem identification, diagnosis, and resolution.
  • Support escalation and communicate status to agency management and internal customers; provide detailed analysis and feedback on escalated tickets.
  • Support dispatch-system and hardware problems and remain involved through resolution.
  • Configure and manage UNIX, Linux, and Windows operating systems; install operating-system software; troubleshoot systems; maintain system integrity; configure network components; and implement enhancements to improve reliability and performance.
  • Provide configuration management and implementation and sustainment of applicable system security controls.
  • Implement IAVA security patches and record patch status in appropriate systems of record.
  • Optimize system operations and resource utilization, and conduct system capacity analysis and planning.
  • Coordinate system changes with the ISSO and ISO as part of the Change and Configuration Management Process.
  • Support the ISO in completing POA&M milestones and coordinate completion status with the ISSO for recording in the security authorization system of record.
  • Ensure IT assets remain compliant with ICAM policy.
  • Support design of systems, mission architecture, and associated hardware.
  • Apply working knowledge of system-administration interdependencies within a Service Oriented Architecture (SOA).
  • Analyze and resolve complex problems involving server hardware, applications, and software integration.

Benefits

  • Competitive health, dental, and vision plans with 100% paid premiums.
  • 401(k) contribution of 6%, including when the employee does not contribute.
  • 11 standard holidays and 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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