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Linux System Administrator

Aquila Technology

Posted today
Secret
Unspecified
Unspecified
IT - Hardware
Cambridge, MA (On-Site/Office)

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
group id: 10506201
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About Us
At Aquila, our IT consulting and support services focus on one critical mission, delivering optimal technology solutions to our business partners that ensure the modern warfighter is equipped to own the advantage. Our team’s passion is seen every day, whether it’s in designing a new technology solution, building a robust, policy-compliant IT system, or stress-testing a system to identify gaps and security vulnerabilities. We are passionate about technology, we respect our nation’s security needs and we understand the nuances, demands and critical nature of delivering the right outcomes. If you possess a love for country, solving complex technical challenges and learning new technologies, we invite you to explore opportunities with us. Aquila has been providing Information Technology and Cyber Solutions since 1987.

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Job Category
IT - Hardware
Clearance Level
Secret