Sr. System Administrator (AWS, Linux)

Themis Insight • Fort Meade, MD

1d • Onsite

About The Position

Themis Insight is hiring a Sr. System Administrator to work in the Fort Meade, Maryland vicinity. The position location may change based on the needs of a central Maryland client. The role requires an active TS/SCI with a Polygraph.

The administrator supports implementation, troubleshooting, maintenance, and day-to-day operations of IT systems, including monitoring and problem resolution across client/server, storage, network, and mobile-device environments. Responsibilities include Tier 1 and Tier 2 support, escalation and status communication, dispatch-system and hardware troubleshooting, and management of UNIX, Linux, and Windows operating systems. The role also involves operating-system installation and maintenance, network-component configuration, and enhancements to system reliability and performance.

The position supports system security and compliance through configuration management, implementation and sustainment of security controls, IAVA patching and recordkeeping, ICAM policy compliance, and coordination with the ISSO and ISO on system changes. The administrator also supports POA&M milestones, system capacity planning, resource utilization, and detailed analysis of escalated tickets.

Requirements

• Active TS/SCI with a Polygraph.
• Bachelor’s degree in a technical discipline from an accredited college or university, or four additional years of System Administrator experience in lieu of the degree.
• Ten years of System Administrator experience in programs and contracts of similar scope, type, and complexity.
• Four years of experience with Service Management (ITSM).
• Strong AWS experience and solid Linux support experience.
• Experience with RHEL 9/Linux patching.
• AWS routing experience.
• Experience working with virtual machines (VMs).
• Familiarity with SQL Server.

Nice To Haves

• BigFix experience is a plus, but not required.

Responsibilities

• Support implementation, troubleshooting, and maintenance of IT systems.
• Provide configuration management, implementation, and sustainment of compliance with applicable system security controls.
• Support day-to-day IT system operations, monitoring, and problem resolution across client/server, storage, network, and mobile devices.
• Implement IAVA security patches and record patch status in the appropriate systems of record.
• Escalate and communicate status to agency management and internal customers.
• Support dispatch-system and hardware problems and remain involved through their resolution.
• Optimize system operations and resource utilization, and perform system capacity analysis and planning.
• Troubleshoot IT systems and provide detailed analysis and feedback on escalated tickets.
• 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 operating-system enhancements to improve reliability and performance.
• Communicate and coordinate with the ISSO and ISO regarding system changes through the Change and Configuration Management Process.
• Support the ISO in completing required 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.
• Provide Tier 2 escalation problem identification, diagnosis, and resolution.

Benefits

• Competitive 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 paid time off.
• Career counseling and individualized career development plans, including education and training.
• Employee referral bonuses for successful hires.

What This Job Offers

• Job Type: Full-time
• Career Level: Senior