Sr. System Administrator (Linux)

Themis Insight•Fort Meade, MD
•Onsite

About The Position

Themis Insight is hiring a Sr. System Administrator (Linux) to work in the Fort Meade, Maryland vicinity. The position location may change based on the needs of a central Maryland client. The role supports implementation, troubleshooting, and maintenance of IT systems and manages IT infrastructure and related processes. It includes day-to-day operations, monitoring, and problem resolution across client, server, storage, network, and mobile-device environments; Tier 1 and Tier 2 support; escalation communications; and support for dispatch systems and hardware issues through resolution. The administrator configures and manages UNIX, Linux, and Windows operating systems; installs and loads operating-system software; troubleshoots systems; maintains system integrity; configures network components; and implements operating-system enhancements to improve reliability and performance. The Level 2 responsibilities also include configuration management and compliance with system security controls, implementing and recording IAVA security patches, system capacity analysis and planning, detailed analysis of escalated tickets, coordination with the ISSO and ISO on system changes, completion of assigned POA&M milestones, and ensuring IT assets comply with ICAM policy. A TS/SCI clearance with a Polygraph is required. Themis Insight offers health, dental, and vision plans with premiums fully paid, a 401(k) contribution of 6%, 11 standard holidays, 25 days of PTO, career counseling and individualized development plans including education and training, and employee referral bonuses for successful hires.

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.
  • Ten years of experience as a system administrator in programs and contracts of similar scope, type, and complexity.
  • Four years of experience with Service Management (ITSM).
  • Experience or capabilities involving Linux patching (STE/STN), AWS, GitLab/GitHub, and Terraform.

Nice To Haves

  • Experience or capabilities involving VMware, Confluence, and scripting.

Responsibilities

  • Support implementation, troubleshooting, and maintenance of IT systems.
  • Manage IT system infrastructure and related processes.
  • Provide day-to-day operations, monitoring, and problem resolution for client, server, storage, network, and mobile-device environments.
  • 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.
  • Support dispatch systems 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, implementation, and sustainment of compliance with applicable system security controls.
  • Implement IAVA security patches and ensure patch status is recorded in appropriate systems of record.
  • Optimize system operations and resource utilization, and perform system capacity analysis and planning.
  • Provide in-depth troubleshooting and detailed analysis and feedback on escalated tickets.
  • Communicate and coordinate with the ISSO and ISO regarding system changes through the Change and Configuration Management Process.
  • Support the ISO by completing assigned POA&M milestones and coordinate completion status with the ISSO for recording in the Source System of Record for Security Authorizations.
  • Ensure IT assets remain compliant with ICAM policy.

Benefits

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