Linux System Administrator Job Frederick area,Maryland USA,IT/Tech

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 Net Backup, 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 Net Backup 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 requirements

Required 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 Net Backup (Net Backup 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 environments

Key Skills

Linux Administration

Storage & Backup Management

Security & Compliance

System Monitoring & Performance Tuning

Troubleshooting & Root Cause Analysis

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. Care First Advantage Best in Class Benefits.
Halo Scripts 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.

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