RHEL Systems Administrator

MANTECH; Warrenton (VA); On-site; USD 110,000 - 145,000; Full time

Job summary

MANTECH in Warrenton, VA seeks a motivated RHEL Systems Administrator (Cameo Administrator) to join our team. The role supports an AWS cloud-based RAID environment with EC2, Docker swarms, and containers, focusing on system administration, configuration, and optimization.

You will monitor Cameo systems, manage virtual desktop sessions, assist security with patching and accreditation, and collaborate in an Agile JIRA setting to keep backlogs and SOPs up to date.

Qualifications

• Experience administering Red Hat Enterprise Linux (RHEL) systems.
• Experience configuring systems in cloud-based infrastructure using AWS.
• Familiarity with virtual desktop environments and session management.
• Experience with JIRA in Agile environments.
• Active IAT Level II security clearance.

Responsibilities

• Monitor and maintain Cameo systems ensuring high availability in a cloud environment.
• Administer and optimize user profiles, sessions, and storage in a virtual desktop environment.
• Provide technical support and manage user groups and permissions.
• Create and maintain engineering SOPs and runbooks; manage backlog in JIRA.
• Support security teams in scanning, patching, and compliance for ATO/accreditation.

Skills

RHEL system administration

Cloud/AWS environment experience

VDI / virtual desktop management

Scripting Bash/Python/Perl

Networking fundamentals

Active IAT Level II certification

Education

High School Diploma or GED with 7+ years experience

Bachelor's degree in related field with 3+ years experience

Tools

XRDP

sessman

JIRA

Ansible

Puppet

Job description

MANTECH seeks a motivated, career and customer-oriented RHEL Systems Administrator (Cameo Administrator) to join our team in Warrenton, VA or Fort Washington.

The RHEL Systems Administrator (Cameo Administrator) will leverage their strong technical background and knowledge to support system administration, configuration, and optimization efforts within an AWS cloud-based RAID (Research, Analytics, Innovation, and Development) environment consisting of EC2 instances, docker swarms, and containers. This role supports the Cameo systems by maintaining server resource integrity, configuring virtual desktop environment sessions, and assisting security teams with software versioning, scanning, patching, and ATO/accreditation compliance.

Responsibilities Include But Are Not Limited To

• Monitor and maintain Cameo systems while ensuring high availability of all server resources, hardware, and key infrastructure processes in a cloud environment.
• Administer, configure, optimize, and troubleshoot user profiles, sessions, and storage disks within a virtual desktop environment.
• Provide technical support and expertise to a large user community, managing user groups, permissions, and accessibility to the system.
• Create, maintain, and update critical engineering documentation, including SOPs and runbooks, while managing a detailed backlog of work items in an Agile JIRA environment.
• Assist Information Systems Security and Engineering teams in implementing measures to ensure compliance with ATO, accreditation, and security standards through scanning and patching.

Minimum Qualifications

• High School Diploma/GED with at least 7 years of progressively responsible experience in Red Hat Enterprise Linux (RHEL) systems administration or a B.S. degree and at least 3 years of experience.
• Significant experience configuring and implementing systems using the RHEL command‑line interface within a cloud‑based infrastructure.
• Experience working across virtual desktop environments, including image creation, deployment, and session management using tools like XRDP or sessman.
• Experience maintaining work tasks, change management requests, and product backlogs utilizing JIRA within an Agile environment.
• Knowledge of Cameo NoMagic software systems and a baseline understanding of networking concepts and protocols.
• Experience with VDI, Linux command line, and systems monitoring.
• Must possess an active IAT Level II certification.

Preferred Qualifications

• Red Hat Certified System Administrator (RHCSA) certification.
• Experience with scripting languages such as Bash, Python, or Perl to automate system tasks.
• Familiarity with configuration management tools like Ansible or Puppet to maintain system baselines.

Clearance Requirements

• Must have a current/active TS/SCI.