Linux System Administrator

Red Arch Solutions, Inc.; Annapolis (MD); On-site; USD 130,000 - 150,000; Full time

Benefits offered by this job

100% paid employee healthcare premiums

Generous PTO

10% 401K with 6% match

Annualized bonus compensation

Tuition reimbursement

Job summary

Red Arch Solutions, Inc. is seeking a skilled Linux System Administrator for our IT infrastructure team in Annapolis Junction, Maryland. The ideal candidate will have a strong background in managing enterprise Linux environments with hands-on expertise in IBM Enterprise Storage.

Your responsibilities will include administering Linux systems, managing storage solutions, and ensuring compliance with security standards. A Bachelor's degree in Computer Science and 3+ years' experience in Linux administration are required.

Qualifications

• 3+ years of hands-on Linux system administration experience (RHEL, CentOS, or similar).
• Strong knowledge of Veritas NetBackup (NetBackup Administration).
• Experience with Nessus vulnerability scanning and remediation workflows.

Responsibilities

• Administer, maintain, and optimize Linux-based systems in a production environment.
• Manage and support IBM Enterprise Storage solutions, ensuring high availability and performance.
• Configure, monitor, and troubleshoot Veritas NetBackup for enterprise backup and recovery operations.

Skills

Linux Administration

Storage & Backup Management

Security & Compliance

System Monitoring & Performance Tuning

Troubleshooting & Root Cause Analysis

Automation & Scripting

Education

Bachelor’s degree in Computer Science, Information Technology, or related field

Tools

IBM Enterprise Storage

Veritas NetBackup

Nessus

YUM package management

Job description

An active TS/SCI with Polygraph is required for this position

Red Arch Solutions is seeking a skilled and detail-oriented Linux System Administrator to join our IT infrastructure team in Annapolis Junction, Maryland. The ideal candidate will have strong experience managing enterprise Linux environments and supporting storage, backup, security, and patching systems. This role requires hands‑on expertise with IBM Enterprise Storage, Veritas NetBackup, and vulnerability management tools, along with a solid understanding of system hardening and package management.

Key Responsibilities

1. Administer, maintain, and optimize Linux-based systems in a production environment
2. Manage and support IBM Enterprise Storage solutions, ensuring high availability and performance
3. Configure, monitor, and troubleshoot Veritas NetBackup for enterprise backup and recovery operations
4. Perform system patching and package management using YUM repositories
5. Execute and remediate vulnerability scans using Nessus, ensuring compliance with security standards
6. Support and maintain STE/STIN processes and environments (as applicable to organizational standards)
7. Implement and maintain system security configurations, including NSF frameworks/policies
8. Monitor system performance, troubleshoot issues, and implement proactive improvements
9. Collaborate with cross‑functional teams for infrastructure upgrades, audits, and incident response
10. Maintain documentation for system configurations, procedures, and compliance requirements

Required Qualifications

1. Bachelor’s degree in Computer Science, Information Technology, or related field (or equivalent experience)
2. 3+ years of hands‑on Linux system administration experience (RHEL, CentOS, or similar)
3. Experience with IBM Enterprise Storage systems
4. Strong knowledge of Veritas NetBackup (NetBackup Administration)
5. Experience with Nessus vulnerability scanning and remediation workflows
6. Proficiency with YUM package management and patching strategies
7. Familiarity with STE/STIN processes and NSF‑related security frameworks
8. Solid understanding of Linux security, system hardening, and compliance practices
9. Strong troubleshooting and scripting skills (Bash, Python, or similar)

Preferred Qualifications

1. Red Hat Certified System Administrator (RHCSA) or equivalent certification
2. Experience in enterprise environments with high availability and disaster recovery requirements
3. Familiarity with automation tools (Ansible, Puppet, or similar)
4. Exposure to cloud or hybrid infrastructure environments

Key Skills

1. Linux Administration
2. Storage & Backup Management
3. Security & Compliance
4. System Monitoring & Performance Tuning
5. Troubleshooting & Root Cause Analysis
6. Automation & Scripting

Salary range for this position: $130,000 - $150,000 #CJ

The Red Arch Solutions pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Determination of official compensation or salary relies on several factors including, but not limited to, level of position, job responsibilities, geographic location, scope of relevant work experience, educational background, certifications, contract‑specific affordability, organizational requirements, alignment with local internal equity as well as alignment with market data.

Benefits Snapshot

• 100% paid employee healthcare premiums. CareFirst Advantage Best in Class Benefits.
• HaloScripts Concierge prescription medication service
• Generous PTO.
• 10% 401K 6% match vested day one and up to 4% profit sharing contribution.
• Annualized bonus compensation.
• Spot bonuses for hard work.
• Tuition reimbursement.
• 529 College Saving Plan.
• College Loan Pay Back Program.
• 11 Paid Federal Holidays
• Generous Referral Bonuses.

Red Arch Solutions 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.