Responsibilities
The FAA's National Airspace System (NAS) Enterprise Services Group (AJW-17) provides second-level engineering and 24/7 operational support for enterprise systems critical to national aviation safety. AJW-17 ensures NAS systems operate securely, reliably, and in compliance with cybersecurity, configuration control, and enterprise architecture standards supporting infrastructure modernization and mission assurance objectives.
The Linux/Unix System Administrator supports this mission by deploying, securing, and sustaining enterprise Linux/Unix environments that underpin critical NAS services.
Key Responsibilities- Install, configure, and maintain Linux/Unix systems (e.g., RHEL) in physical and virtualized environments (VMware or similar).
- Provide second-level operational support, troubleshooting system failures, performance issues, and service outages in a 24/7 environment.
- Implement system hardening and security controls in accordance with CIS Benchmarks, STIGs, and FAA cybersecurity requirements.
- Perform patch management, vulnerability remediation, and compliance validation to maintain secure system baselines.
- Administer core services such as DNS, SSH, web servers (Apache/Nginx), file transfer services, and MySQL/PostgreSQL databases.
- Support identity and access management, secure data transfers, and multi-network environments.
- Automate administrative tasks using Bash, Python, or configuration management tools (e.g., Ansible).
- Monitor system performance, analyze logs, and coordinate with network and cybersecurity teams to resolve complex technical issues.
- Maintain technical documentation, configuration records, and architecture diagrams.
Required Qualifications
- Minimum of 20 years' experience with Bachelor's Degree in engineering (systems, civil, electrical, electronic, chemical, industrial, mechanical, aeronautical, avionics, environmental, or computer), or
- Master's Degree in related field may be substituted for Bachelor's Degree and 3 years' experience, or
- PhD in related field may be substituted for Bachelor's Degree and 7 years' experience.
- Hands-on experience administering Linux/Unix operating systems in enterprise environments.
- Experience with virtualization platforms (VMware or similar).
- Strong knowledge of system hardening, STIG/CIS compliance, and vulnerability remediation.
- Proficiency in patch management, performance tuning, and troubleshooting.
- Understanding of IP networking, DNS, and secure protocols (SSH, TLS).
- Experience with shell scripting (Bash) and/or Python.
- Strong documentation and communication skills.
- U.S. Citizenship or U.S. Permanent Resident Required (3+ years U.S. residency)
- Ability to obtain FAA Suitability.
Desired Qualifications
- RHCSA, RHCE, Security+, CISSP, or similar certifications.
- Experience in federal, regulated, or mission-critical environments.
- Familiarity with automation and configuration management tools (Ansible, Puppet, Chef).
- Experience with enterprise monitoring/logging tools and SELinux management.
- Knowledge of cross-domain or multi-network architectures.
- FAA Experience and suitability.
Overview
Noblis and our wholly owned subsidiaries, Noblis ESI, and Noblis MSD tackle the nation's toughest problems and apply advanced solutions to our clients' most critical missions. We bring the best of scientific thought, management, and engineering expertise together in an environment of independence and objectivity to deliver enduring impact on federal missions. Noblis works with a wide range of government clients in the defense, intelligence and federal civil sectors. Learn more at Noblis -About Us
Why work at a Noblis company?Our employees find greater meaning in their work and balance the other things in life that matter to them. Our people are our greatest asset. They are exceptionally skilled, knowledgeable, team-oriented, and mission-driven individuals who want to do work that matters and benefits the public. Noblis has won numerous workplace awards. Noblis maintains a drug-free workplace.
*Remote/hybrid status is subject to change based on Noblis and/or government requirements
Commitment to Non-Discrimination
All qualified applicants will receive consideration for employment without regard to race, color, ethnicity, sex, age, national origin, religion, physical or mental disability, pregnancy/childbirth and related medical conditions, veteran or military status, or any other characteristics protected by applicable federal, state, or local law.
If reasonable accommodation is needed to participate in the job application or interview process, to perform essential job functions, and/or to receive other benefits and privileges of employment, please contact us.
EEO is the Law | E-Verify | Right to Work
Total Rewards
At Noblis we recognize and reward your contributions, provide you with growth opportunities, and support your total well-being. Our offerings include health, life, disability, financial, and retirement benefits, as well as paid leave, professional development, tuition assistance, and work-life programs. Our award programs acknowledge employees for exceptional performance and superior demonstration of our service standards. Full-time and part-time employees working at least 20 hours a week on a regular basis are eligible to participate in our benefit programs. Other offerings may be provided for employees not within this category. We encourage you to learn more about our total benefits by visiting the Benefits page on our Careers site.
Compensation at Noblis is determined by various factors, including but not limited to, the combination of education, certifications, knowledge, skills, competencies, and experience, internal and external equity, location, clearance level, as well as contract-specific affordability, organizational requirements and applicable employment laws. The projected compensation range for this position is based on full time status. For part time or on-call staff, compensation is proportionately adjusted based on hours worked. While monetary compensation is important, it's just one component of Noblis' total compensation package.
Posted Salary Range
USD $105,100.00 - USD $164,125.00 /Yr.
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