Linux System Administrator with Security Clearance

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

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

• 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
• Perform system patching and package management using YUM repositories
• Execute and remediate vulnerability scans using Nessus, ensuring compliance with security standards
• Support and maintain STE/STIN processes and environments (as applicable to organizational standards)
• Implement and maintain system security configurations, including NSF frameworks/policies
• Monitor system performance, troubleshoot issues, and implement proactive improvements
• Collaborate with cross-functional teams for infrastructure upgrades, audits, and incident response
• Maintain documentation for system configurations, procedures, and compliance requirementsRequired Qualifications:
• Bachelor’s degree in Computer Science, Information Technology, or related field (or equivalent experience)
• 3+ years of hands-on Linux system administration experience (RHEL, CentOS, or similar)
• Experience with IBM Enterprise Storage systems
• Strong knowledge of Veritas NetBackup (NetBackup Administration)
• Experience with Nessus vulnerability scanning and remediation workflows
• Proficiency with YUM package management and patching strategies
• Familiarity with STE/STIN processes and NSF-related security frameworks
• Solid understanding of Linux security, system hardening, and compliance practices
• Strong troubleshooting and scripting skills (Bash, Python, or similar)Preferred Qualifications:
• Red Hat Certified System Administrator (RHCSA) or equivalent certification
• Experience in enterprise environments with high availability and disaster recovery requirements
• Familiarity with automation tools (Ansible, Puppet, or similar)
• Exposure to cloud or hybrid infrastructure environmentsKey Skills:
• Linux Administration
• Storage & Backup Management
• Security & Compliance
• System Monitoring & Performance Tuning
• Troubleshooting & Root Cause Analysis
• Automation & ScriptingSalary 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.

Red Arch Solutions 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.