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)

-Proven experience 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

-Proven experience in all aspects of 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

-Ability to utilize 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 transition 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 (see below bullets). 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

#CISJobs

Previously part of a leading Fortune 100 company and headquartered in Dulles, VA; Nightwing became independent in 2024 but continues to support the nation's most mission impactful initiatives.

When we formed Nightwing, we brought a deep set of credentials and an unfaltering commitment to the mission. For over four decades, our team has been providing some of the world's most technically advanced full-spectrum cyber, data operations, systems integration and intelligence support services to the U.S. government on its most important missions.

At Nightwing, we value collaboration and teamwork. You'll have the opportunity to work alongside talented individuals who are passionate about what they do. Together, we'll leverage our collective expertise to drive innovation, solve complex problems, and deliver exceptional results for our clients.

Thank you for considering joining us as we embark on this new journey and shape the future of cybersecurity and intelligence together as part of the Nightwing team.

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.

Hired applicants may be eligible for benefits, including but not limited to, medical, dental, vision, life insurance, short-term disability, long-term disability, 401(k) match, flexible spending accounts, flexible work schedules, employee assistance program, Employee Scholar Program, parental leave, paid time off, and holidays. Specific benefits are dependent upon the specific business unit as well as whether or not the position is covered by a collective-bargaining agreement.

Hired applicants may be eligible for annual short-term and/or long-term incentive compensation programs depending on the level of the position and whether or not it is covered by a collective-bargaining agreement. Payments under these annual programs are not guaranteed and are dependent upon a variety of factors including, but not limited to, individual performance, business unit performance, and/or the company's performance.

This role is a U.S.-based role. If the successful candidate resides in a U.S. territory, the appropriate pay structure and benefits will apply.

RTX anticipates the application window closing approximately 40 days from the date the notice was posted. However, factors such as candidate flow and business necessity may require RTX to shorten or extend the application window.

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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