Linux System Administrator

Job Title: Classified Systems Administrator (Linux)

Clearance Required: Active Secret Clearance
Location:Cambridge, MA
Employment Type: Full-Time

We are seeking a Classified Systems Administrator with a strong Linux background to support, manage, and deploy mission-critical applications within a classified environment. The ideal candidate will have hands-on experience administering Linux operating systems and supporting engineering, collaboration, and configuration management tools in secure, compliance-driven environments.

Key Responsibilities:

• Administer, maintain, and support classified Linux-based systems in accordance with DoD and organizational security requirements
• Install, configure, deploy, and manage enterprise applications, including:
• IBM DOORS
• GitLab
• TeamWorkCloud
• Windchill
• Confluence
• Jira
• Creo

Perform system monitoring, performance tuning, patching, and troubleshooting for Linux environments:

• Support system hardening, vulnerability remediation, and security compliance (STIGs, RMF, audit readiness)
• Coordinate with cybersecurity, engineering, and system owner teams to ensure systems are operating securely and efficiently
• Maintain system documentation, configuration baselines, and operational procedures
• Support backup, recovery, and continuity of operations efforts
• Provide technical support and issue resolution in a classified setting
• Participate in system upgrades, migrations, and new deployments as required

Required Qualifications:

• Active Secret Clearance (required at time of hire)
• Strong experience administering Linux systems in classified or secure environments
• Demonstrated experience managing and deploying enterprise applications such as:
• IBM DOORS
• GitLab
• TeamWorkCloud
• Windchill
• Confluence
• Jira
• Creo

Experience with the following operating systems:

• Red Hat Enterprise Linux (RHEL) 7, 8, and 9
• Ubuntu
• Oracle Linux
• Familiarity with system security best practices and compliance requirements
• Ability to troubleshoot complex system and application issues
• Strong documentation and communication skills

Preferred Qualifications:

• Experience supporting engineering or PLM environments
• Familiarity with DevSecOps or CI/CD pipelines in classified environments
• Knowledge of DoD security frameworks (RMF, NIST 800-53, DISA STIGs)
• Scripting experience (Bash, Python, or similar)

Work Environment:

• On-site support in a classified facility
• Work performed in accordance with security and access control requirements

Benefits and Perks:

Aquila team members experience the opportunity to be part of a fast-paced, customer-focused, and technically innovative work environment. Aquila strives to deliver the best of the best in technical services to our customers. Candidates that possess a love for technical challenges, a desire to constantly learn, and the desire to establish themselves as critical players within a team will enjoy calling Aquila Technology home.

Our Perks Include:

• PTO - 15 days (vacation/sick) 10 paid holidays - 6 standard (New Year’s, Memorial Day, Independence Day, Labor Day, Thanksgiving, and Christmas) - 4 floating holidays prorated based on your day of hire
• 1.5 paid days, or 12 hours, for approved volunteer work
• 1 week of paid maternity/paternity LOA after 1 year of Full-time employment
• Tuition & Training Reimbursement - 5K annually for pre-approved, job-related tuition, certification, or professional conferences
• 401K with Fidelity 100% immediate vesting; Plan eligibility begins 90 days following the date of hire. Aquila matches 50 cents on the dollar, up to 6%.
• Cell Phone & Internet Reimbursed up to $150 monthly to cover cell phone, data, and home internet expenses.
• Buy Your Own Device (BYOD) Allowance Reimbursed up to $1500 for the purchase of a qualified technology device. Eligible after 90 days of employment, and benefit renews every three years.

We are an Equal Opportunity Employer