Date Posted:
2026-06-17
Country:
United States of America
Location:
US-MA-TEWKSBURY-TB3 ~ 50 Apple Hill Dr ~ CONCORD BLDG, Tewksbury Tb3 300 Concord
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: Secret
Security Clearance Status:
Ability to obtain INTERIM U.S. government issued security clearance is required prior to start date
Principal Linux System Administrator based in Tewksbury, MA,internally known as PrincipalAnalyst, infrastructureWorkplaceServices,collaboratewith manyteams tosupportexciting, critical programs with classified information system capabilities.Successin this role means you are able todevelop, implement and maintain secure, cost-efficientenvironmentsacross various classified programs. Program teams rely on yourcollaborationand guidance to define computing requirements andcreateend-to-endsolutionstosolvecomplexIT infrastructure problems.
What You Will Do:
Provide IT systems administration in a heterogeneous Redhat Enterprise Linux, and Microsoft Windows.
Experience with Linux fundamentals and Windows Server internals to include Ansible, DNS, DHCP, LDAP, AD, and server replication methods.
Working as a team member in afast-pacedtechnologicalenvironment.Use troubleshooting techniques to resolve technical problems of a moderate to high scope and complexity to include the integration of hardware and operating systems (OS).
Experience with data RAID, data backup uses and technologies. Install and configure software applications requested by end users.
Work with Cybersecurity professionals to maintain security requirements and provide documentation and training on advanced IT processes and procedures and other tasks as assigned.
Must be able to obtain Department of Defense Directive (DoDD) 8140 / 8570 Certification requirements (CompTIA Security+ CE or equivalent certification) within 6 months of start date.
Must be able todevelopsolutionsand documentation to solve a variety of technical problems.
Systems are operational 24x7 and occasionally require work effort beyond standard work hours.
Travelis requiredto other US Domestic locations as businessneedsdictate up to 10% travel.
Full time 100% Onsite position.
Qualifications You Must Have:
Typically requires a University degree or equivalent experience and a minimum of 5 years of prior relevant experience or an Advanced Degree in a related field and minimum 3 years experience.
The ability to obtain and maintain a U.S. government issued security clearance is required. U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance Start date will be issued when interim clearance is obtained.
Must have Linux experience.
Experience in one of the following: LDAP, ActiveDirectory, VMware, MySQL, networking administration experience.
Qualifications We Prefer:
VMware highly desired.
AnactiveDoD Secret clearance.
Department of Defense Directive (DoDD) 8140 / 8570 Certification requirements (CompTIA Security+ CE or equivalent certification and an Operating System Certification).
Experience with NISPOM, JAFAN, JSIG, DFARS and/or DoD/RMF.
Experience with data storage, NAS, and SAN technologies andsolutions.
Experience with using Information Technology project lifecyclemanagementprocesses.
Experience using VMWare vCenter, vSphere, and ESX and/or other virtual computing methods.
Experiencesupportingengineers in software, simulations, and hardware development.
Experience with Microsoft WSUS, MECM, and/or Exchange
High Performance Computing (HPC) experience in a Linuxenvironment.
Scripting Experience.
What We Offer:
Our values drive our actions, behaviors, and performance with a vision for a safer, more connected world. At RTX we value: Trust, Respect, Accountability, Collaboration, and Innovation.
Learn More & Apply Now!
As part of our commitment to maintaining a secure hiring process, candidates may be asked to attendselect 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 candidates 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 companys 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.
