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RTX

Senior Linux Systems Administrator & Software Maintenance Engineer (Onsite)

United States

The salary range for this role is 86,800 USD - 165,200 USD.

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Job details

Pay: The salary range for this role is 86,800 USD - 165,200 USD.
Experience: > 3 years of Linux Systems Administration experience
Posting language: English
Posted: Nov 11, 2026

Original job description

Date Posted:

2026-11-11

Country:

United States of America

Location:

US-MD-FORT MEADE-9800-CUST ~ 9800 Savage Rd ~ SAVAGE (External Site)

Position Role Type:

Onsite

U.S. Citizen, U.S. Person, or Immigration Status Requirements: Active and transferable U.S. government issued security clearance is required prior to start date. U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance

Security Clearance Type:

DoD Clearance: TS/SCI

Security Clearance Status:

Active and existing security clearance required on day 1

Raytheon Company Managed by Collins Aerospace

At RTX, the world's largest aerospace and defense company, 185,000 great minds are united by purpose and inspired to make a difference solving the world’s most complex problems. With our three market leading businesses, world-class operations and investments in research and development, we offer capabilities and opportunity no one else can. Together, we push the boundaries of known science and find new ways to connect and protect our world. Collins Aerospace is a leader in technologically advanced, intelligent solutions that help redefine the aerospace and defense industry. With a comprehensive portfolio and deep technical expertise, we help customers meet the demands of the global market. Join us and help shape the future of aerospace and defense.

Collins Aerospace, an RTX company, is a leader in technologically advanced and intelligent solutions for the global aerospace and defense industry. Collins Aerospace has the capabilities, comprehensive portfolio, and expertise to solve customers’ toughest challenges and to meet the demands of a rapidly evolving global market.

Collins Aerospace is currently in search of a Senior Linux Systems Administrator & Software Maintenance Engineer (Onsite). The position is based at Fort Meade, MD. The person selected will provide software maintenance support and Linux Systems administration for systems at DMS-MD at Fort Meade, MD. This position will interface daily with users, co-contractors, and customer organizations to troubleshoot and correct problems, analyze performance, and make recommendations on improvements.

What You Will Do:

Responsible for provisioning, installation/configuration, operation, and maintenance of systems hardware and software related to a Linux infrastructure for classified programs. Duties include, but are not limited to, server management (software and hardware); storage management (logical and physical); cross platform authentication and access management; data backup and restoration; software and license configuration; and workstation support
Implement and maintain an enterprise Linux environment including system administration, networking, performance monitoring/tuning, security hardening, and troubleshooting
Configure and maintain STIG-compliant systems in accordance with DoW security standards
Troubleshoot hardware and software issues across physical and virtualized environments (RHEL KVM)
Automate system tasks using Ansible and Bash shell scripting
Install and configure software applications requested by end users
Working directly in a customer service environment, ensuring seamless communication and service delivery
Manage and maintain servers, operating systems, network connectivity, and networking hardware such as routers and switches
Design, develop, and maintain software applications using Python and Java for complex systems and applications
Troubleshoot, debug, and optimize existing Java and Python code for performance and efficiency
Systems are operational 24x7 and occasionally require work effort beyond standard work hours.
Full-time 100% Onsite position

Qualifications You Must Have:

Active and transferable U.S government issued TS/SCI U.S. security clearance is required prior to start date
Current DoD 8570.1 IAT Level II or IAM Level I certification (e.g., Security+ CE, CCNA Security, CySA+, CAP, etc.)
Previous experience with Red Hat Enterprise Linux Administration.
> 3 years of Linux Systems Administration experience
> 3 years of Software Development with Java and Python.
Typically requires a degree in Science, Technology, Engineering or Mathematics (STEM) and minimum 5 years prior relevant experience or an Advanced Degree in a related field and minimum 3 years of experience

Qualifications We Prefer:

Experience with Linux architecture, deployment, administration, networking, performance monitoring/tuning, security hardening, and troubleshooting
Experience with DHCP, DNS, LDAP, IPA, CIFS, NFS, Samba and *NIX system security
Experience with infrastructure backup, restore, disaster recovery and business continuity products like Symantec NetBackup
Experience gathering requirements, designing, and implementing appropriate solutions
Experience with application installation and multi-server environment/deployment
Red Hat Enterprise Linux and Microsoft Windows 10/ Server 2016 system administration.
Experience with SW development methods (shell scripts, JavaScript, Python, PHP, Java, XML, HTML, etc.) in a Linux environment
Experience with ACAS/Tenable tools
Familiarity with Kubernetes and containers

What We Offer:

Some of our competitive benefits package includes:

Medical, dental, and vision insurance
Three weeks of vacation for newly hired employees
Generous 401(k) plan that includes employer matching funds and separate employer retirement contribution, including a Lifetime Income Strategy option
Tuition reimbursement program
Student Loan Repayment Program
Life insurance and disability coverage
Optional coverages you can buy pet insurance, home and auto insurance, additional life and accident insurance, critical illness insurance, group legal, ID theft protection
Birth, adoption, parental leave benefits
Carrot Health to hormonal health, fertility, and family building
Adoption Assistance
Autism Benefit
Employee Assistance Plan, including up to 10 free counseling sessions
Healthy You Incentives, wellness rewards program
Doctor on Demand, virtual doctor visits
Bright Horizons, child and elder care services
Teladoc Medical Experts, second opinion program
And more!

Learn More & Apply Now!

Relocation Eligibility

*Please ensure the role type (defined below) is appropriate for your needs before applying to this role.

Onsite: Employees who are working in Onsite roles will work primarily onsite. This includes all production and maintenance employees, as they are essential to the development of our products.

Collins Aerospace makes modern flight possible. Of course, that wouldn’t be possible without the capabilities and technologies of our organization, as well as our engineers – a highly skilled, accomplished network that spans more than 180 sites, 24 countries and 6 Strategic Business Units (SBUs).

Our industry-leading experts are setting the standards for the aerospace industry and paving the way for the future. But as new challenges present themselves, we need fresh, creative and motivated minds to overcome these hurdles, help us break barriers and achieve new levels of innovation. Do you have what it takes to join a global organization that doesn’t shy away from big opportunities? If so, we invite you to join our ranks and create the next generation of aerospace technologies.

Together, we will nurture an engineering culture that values intellectual curiosity, risk takers and integrity. A place where we will challenge ourselves, our teams, and the status quo and where we will work to find a way – the right way – to achieve what others can only dream of.

At Collins, the paths we pave together lead to limitless possibility. And the bonds we form – with our customers and with each other -- propel us all higher, again and again.

Apply now and be part of the team that’s redefining aerospace, every day.

As part of our commitment to maintaining a secure hiring process, candidates may be asked to attend select steps of the interview process in-person at one of our office locations, regardless of whether the role is designated as on-site, hybrid or remote.

The salary range for this role is 86,800 USD - 165,200 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 Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability or veteran status, or any other applicable state or federal protected class. RTX provides affirmative action in employment for qualified Individuals with a Disability and Protected Veterans in compliance with Section 503 of the Rehabilitation Act and the Vietnam Era Veterans’ Readjustment Assistance Act.

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More about this job

Skills

Linux
Research
System administration
SAP DMS
Troubleshoot
Red Hat Enterprise Linux
Troubleshooting
Security regulations
Ansible
Bash
Customer service
Communication skills
Python
Oracle Java
Identity and access management
Security+
CCNA
Software development
DHCP
DNS
LDAP
Samba
Implement ICT recovery system
Microsoft Windows
JavaScript
PHP
HTML
Kubernetes

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Jobs in the United States