Position Overview
We are seeking a highly experienced Senior Linux System Administrator / System Engineer to support a high-visibility mission environment within the Intelligence Community. This role requires deep expertise in Linux system administration, virtualization, automation, and security compliance, along with the ability to operate in a fast-paced, mission-critical setting.
Key Responsibilities
- Administer, maintain, and optimize Linux-based systems (RHEL/CentOS) in a secure enterprise environment
- Support mission-critical infrastructure with a focus on availability, performance, and security
- Create, configure, and manage VMware virtual machines
- Install, configure, and maintain JBoss application environments
- Implement automation solutions using Ansible, Terraform, or similar tools
- Perform system monitoring, troubleshooting, and root cause analysis
- Support security compliance initiatives and system hardening efforts
- Collaborate with cross-functional teams across storage, networking, and security domains
- Provide support for 24x7 operations, including on-call and after-hours response
Required Qualifications
- 10+ years of experience as a Linux System Administrator/Engineer
- Active TS/SCI with Polygraph.
- Strong expertise with Linux (RHEL/CentOS) environments
- Experience with VMware VM creation, configuration, and operations
- Security+ Certification (required)
- Experience supporting IC (Intelligence Community) mission environments
Highly Desired Qualifications
- Active or recent SYS3 Privileged Access
- Extensive experience with JBoss installation, configuration, and administration
- Hands-on experience with automation tools such as Ansible or Terraform
- Storage systems and administration
- Networking fundamentals and infrastructure support
- Security compliance and auditing
- Authentication systems
- Scripting with Shell and/or Python
- Physical server administration
- Experience with Oracle Database and potential DBA exposure
- Familiarity with JSON (JavaScript Object Notation)
Skills Required
- 10+ years of experience as a Linux System Administrator/Engineer
- Active TS/SCI with Polygraph
- Strong expertise with Linux (RHEL/CentOS) environments
- Experience with VMware VM creation, configuration, and operations
- Security+ Certification
What We Do
Red Arch Solutions is a premier U.S. small business providing its customers with state-of-the-art tactical and strategic intelligence, systems, and software engineering solutions, solving some of the most pressing and unique intelligence community challenges related to National Security. Our employees are exceptionally skilled professionals; individuals who are dedicated to collecting, analyzing, creating and engineering the best solutions in support of critical missions. Red Arch Solutions takes pride in the success of our customers. The depth of our engineers’ experience combined with our breadth of exposure across the intelligence community enables us to provide value added, synergistic analytical and engineering support. Unique to Red Arch Solutions is the focus on its employees. Our guiding principle is “People First.” We offer employees career mobility and stability, work-life balance flexibility, and individualized career paths. The loyalty of highly trained, skilled professionals is our key corporate asset. Red Arch Solutions is an Equal Opportunity Affirmative Action Employer.







