Senior Linux Systems Administrator

Senior Linux Systems Administrator

Date Posted : 2024-05-30

All potential applicants are encouraged to scroll through and read the complete job description before applying.

Country : United States of America

Location : VA543 : 22270 Pacific Blvd, Dulles 22270 Pacific Boulevard Building CC5, Sterling, VA, 20166-6924 USA

Position Role Type : Onsite

Nightwing has an immediate need for a Senior Linux Systems Administrator to be a member of the IT team that is the Londinium Program.

The Londinium Program is comprised of Linux (80%), Windows (20%), virtualization, storage, network, HW, and data center engineers that work as a team and offer rewarding opportunities to think outside the box in order to deliver innovative and sustainable IT environments to our customers.

The Londinium system administrators work both independently and as a member of an integrated product team supporting a wide variety of basic and complex computing and network configurations and must have proven Linux experience.

The on-site system administrator will support the installation, configuration, maintenance, failure analysis and recovery, performance monitoring, data storage management, and security management of the data center environment.

The system administrator will have experience in at least one, preferably two, scripting languages (shell, Perl, Powershell, Python, etc.

and shall have proven experience administering Linux operating systems in the conduct of their duties. The right candidate will have proven experience in problem solving.

Specific duties and responsibilities of the Senior Linux System Administrator may include, but are not limited to :

• Architecting, deploying, and managing large Linux networked environments including deployment and configuration
• Installing, configuring, updating and removing system and application software
• Hardening Linux server installations
• Installing, configuring, updating and removing system hardware (servers, workstations, transceivers, network interface cards)
• Configuring NFS, SAMBA, and SAN
• Monitoring and allocating system resources (CPU, memory, and storage space)
• Creating, implementing, and maintaining scripts for process automation, infrastructure monitoring, and proactive reporting
• Auditing system log files, to include compliance audits
• Diagnosing and troubleshooting hardware and software problems
• Documenting hardware and software configurations, maintenance history, and backup history
• Implementing up-to-date system policies and procedures
• Updating / patching system operating systems
• Managing large Linux environments including the use of configuration management tools like Puppet and Ansible for centralized management and configuration of systems to enforce security controls
• Utilizing analysis tools to resolve complex network, systems, and application performance problems
• Responding to inquiries concerning all aspects of computer and network operations
• Creating and managing user / group accounts (ex : Active Directory (AD))
• Experience with Kubernetes
• Proven experience upgrading Linux systems and transitioning to new configurations management environments
• Experience with C2S / UC2S policies and procedures and familiarity with creation of S3 / GLACIERS instances
• Experience with Rapid7 updates, vulnerability scans, and reports

Minimum Education & Qualifications :

Bachelor’s Degree in computer science, information systems, engineering, mathematics, or equivalent experience, and four (4) years of relevant experience.

Equivalent military training and / or experience in an information technology field will be considered in lieu of a degree.

Five (5) years or more of total intelligence community relevant work experience as a system administrator

Seven (7) years’ experience as a system administrator

The salary range for this role is 96,000 USD - 200,000 USD. The salary range provided is a good faith estimate representative of all experience levels.

RTX considers several factors when extending an offer, including but not limited to, the role, function and associated responsibilities, a candidate’s work experience, location, education / training, and key skills.

RTX is An Equal Opportunity / Affirmative Action Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability or veteran status, age or any other federally protected class.

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