Sr. System Administrator (AWS, Linux)

Themis Insight, LLC.; Maryland; On-site; USD 120,000 - 170,000; Full time

Benefits offered by this job

Competitive health plans

401k contributions

Paid time off (holidays & PTO)

Career development programs

Employee referral bonuses

Job summary

Themis Insight, LLC. is seeking a Sr. System Administrator (AWS, Linux) to support IT systems in the Fort Meade, MD vicinity. The role requires strong AWS and Linux skills, including RHEL 9, patching, and VM experience.

The candidate will handle day‑to‑day operations, incident resolution, security compliance, and coordination with ISSO/ISO. Bachelor’s degree plus 10 years SA experience or equivalent is expected.

Qualifications

• Bachelor’s degree in a technical discipline required or four years SA experience substituted for degree.
• Ten years experience as a SA in similar scope is required.
• Four years of ITSM experience required.
• Strong AWS with Linux support experience.
• RHEL 9/Linux patching experience.
• Experience with AWS routing and virtualization.

Responsibilities

• Provide support for implementation, troubleshooting and maintenance of IT systems.
• Configure and manage UNIX, Linux and Windows operating systems and related software.
• Monitor day‑to‑day operations, perform problem diagnosis and resolution for devices and services.
• Implement system patches and ensure patch status is recorded in CMDB/records.
• Coordinate status communications to agency management and internal customers.
• Assist with capacity planning and system performance improvements.
• Support change management processes and collaboration with ISSO/ISO.

Skills

AWS

Linux

RHEL 9

AWS routing

VMs

SQL Server

Education

Bachelor’s degree in a technical discipline

Tools

BigFix

Job description

Themis Insight solves difficult business, IT, and analytic problems by addressing the whole problem – not just the symptoms – using interdisciplinary approaches that are both practical and innovative. We provide fresh alternatives to ordinary, mainstream consulting firms through small, highly skilled, and hand-picked teams that can meet clients' needs in any industry. Our broad interdisciplinary understanding allows us to provide the right solution, even if it is from outside the industry or traditionally defined problem space. We bring Public and Private, Civilian and Military expertise to every case.

We are hiring a Sr. System Administrator (AWS, Linux) to work in the Fort Meade, MD vicinity. Position location is subject to change based on central MD client's needs.

Required:

TS/SCI with a Polygraph

Description:

Provides support for implementation, troubleshooting and maintenance of information Technology (IT) systems. Manages IT system infrastructure and any processes related to these systems. Provides support to IT systems including day-to-day operations, monitoring and problem resolution for all of the client/server/storage/network devices, mobile devices, etc. Provides Tier 1 (Help Desk) and Tier 2 (Escalation) problem identification, diagnosis and resolution of problems. Provides support for the escalation and communication of status to agency management and internal customers. Provides support for the dispatch system and hardware problems and remains involved in the resolution process. Configures and manages UNIX, Linux and Windows operating systems and installs/loads operating system software, troubleshoots, maintains integrity and configures network components along with implementing operating systems enhancements to improve reliability and performance.

The Level 2 System Administrator shall possess the following capabilities:

• Provide support for implementation, troubleshooting and maintenance of IT systems
• Provide configuration management, implementation, and sustainment of compliance with applicable system security controls.
• Provide support to IT systems including day-to-day operations, monitoring and problem resolution for all of the client/server/storage/network devices, mobile devices, etc.
• Implement IAVA security patches and insure patch status is recorded in appropriate systems of record.
• Provide support for the escalation and communication of status to agency management and internal customers
• Optimize system operations and resource utilization, and perform system capacity analysis and planning
• Provide in-depth experience in trouble-shooting IT systems
• Provide detailed analysis and feedback to agency management and internal customers for escalated tickets
• Provide support for the dispatch system and hardware problems and remains involved in the resolution process
• Configure and manage UNIX, Linux and Windows (or other applicable) operating systems and installs/loads operating system software, troubleshoot, maintain integrity of and configure network components, along with implementing operating systems enhancements to improve reliability and performance
• Communicate and coordinate with the Information System Security Officer (ISSO) and Information System Owner (ISO) regarding system changes as part of the Change and Configuration Management Process
• Support the ISO by completing required milestones of Plan of Action & Milestones (POA&M)as directed and coordinate completion status with the ISSO to reflect status within the Source System of Record for Security Authorizations
• Ensure IT Assets remain compliant with Identity & Access Control Management (ICAM) policy.
• Provide Tier 2 (Escalation) problem identification, diagnosis and resolution of problems

Individual Capabilities/Experience Required:

• Bachelor’s degree in a technical discipline from an accredited college or university is required. Four (4) years of additional SA experience may be substituted for a bachelor’s degree.
• Ten (10) years experience as a SA in programs and contracts of similar scope, type, and complexity is required.
• Four (4) years of experience with Service Management (ITSM) is required.
• Strong AWS, with solid Linux support experience
• RHEL 9/Linux patching
• AWS routing
• Experience working with VMs
• SQL Server familiarity

Individual Capabilities/Experience Desired:

• BigFix is a plus, but not required

Themis Insight has all the PERKS!

You are our most valuable resource — your ambition, your knowledge, your creativity. We offer an industry-leading set of benefits to supplement your normal salary compensation. Themis Insight has you covered with flexible ways to balance work and home life, full health benefit premium coverage, and generous contributions toward your retirement.

• Competitive health, dental, and vision plans with 100% paid premiums.
• 401k: We contribute 6% even if you don't!
• Time Off: 11 standard holidays, and 25 days of PTO
• Career Development: Get career counseling and individualized career development plans, including education and training.
• Employee referral bonuses for successful hires

Themis Insight is an Equal Opportunity/Affirmative Action employer.

Themis Insight provides equal employment opportunities to all employees and applicants for employment and prohibits discrimination and harassment of any type without regard to race, color, religion, age, sex, national origin, disability status, genetics, protected veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by federal, state or local laws.

This policy applies to all terms and conditions of employment, including recruiting, hiring, placement, promotion, termination, layoff, recall, transfer, leaves of absence, compensation and training.